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HomeMy WebLinkAboutBLD2015-00957 Deck - BLD Application - 11/10/2015 MASON COUNTY PERMIT NO. -075 ' DEPARTMENT OF COMMUNITY DEVELOPMENT RECEIVED BUILDING•PLANNING•FIRE MARSHAL WWW.CO.MASON.WA.US (360)427-9670 Shelton ext.352 - Mason County Bldg. III,426 West Cedar Street (360)2754467 Belfair ext. 352 NOV 10 2015 PO Box 279,Shelton,WA 98584 (360)482-5269 Elma ext. 352 4 2 6 tiN. CEDAR ST. BUILDING PERMIT APPLICATION OWNER INFORMATION: �� t3 CONTRACTOR INFORMATION: NAME: s NAME: MAILING ADDRESS: 133 -0-6 MAILM G ADD ESS:—7.2.0 CITY: Odl,orj STATE: O ik IP: qht5lz CITY: ,�Af STATE: IP: PHONE: CELLo?GYP. fi PHOI�E� CELL: 9() EMAIL: EMA s dB ti L&L REG PARCEL INFORMATION: PARCEL NUMBER(12 DIGIT NUMBER) FIRE CTA�6 LEGAL DESCRIPTION(ABBREVIATED). SITE ADDRESS g CITY 1 DIRECTIONS TO SITE ADDRESS IS PROPERTY WITHIN 200 FT: SALTWATER N' LAKE ❑ RIVER/CREEK❑ POND WETLAND ❑ SENALUNOFF❑ STREAMDOES PROPERTY HAVE SLOPES)WITHIN 300 FT OF PROJECT-GRE R1 % YES® NO❑ TYPE OF JOB: NEW ❑ ADDITION ALT RATION❑ AIR THER ❑ USE OF STRUCTURE(xEsroErrcE,GARAG Tc. IS USE: PRIM SEASONAL❑ ER OF BEDROO S NUMBER OF BATHROOMS DESCRIBE W K ` S UAR FOOTAGE 1ST FLO R sq. .4'D LOOK sq. 3 FL sq.8. BASEMENT sq.ft. DECK R. C K sq. ft. TO GE sq.ft. OTHER sq.ft.GARAG ft. H ❑ DET CHED ❑ C RT sq.ft. ATTACHED❑ DETACHED❑ ACTU FORMAT N: *4 OPIES OF THE FLOOR PLAN M YEAR LEND W ID BEDROOMS BA NUMBER— OWNER/BUILDER acknowledges submission of inaccurate information may result in a stop work order or permit revocation. Acknowledgement of such is by signature below. I declare that I am the owner,owners legal representative,or contractor. I further declare that I am entitled to receive this permit and to do the work as proposed. I have obtained permission from all the necessary parties, including any easement holder or parties of interest regarding this project.The owner or authorized agent represents that the information provided is accurate and grants employees of Mason County access to the above described property and structure(s)for review and inspection.This permit/application becomes null&void if work or authorized construction is not commenced within 180 days or if construction work is suspended for a period of 180 days. PROOF OF CONTINUATION OF WORK IS BY MEANS OF INSPECTI NACTNITY OF THIS PERMIT APPLICATION OF 180 DAYS WILL INVALIDATE THE APPLICATION. X :9';x7j»�'L-/- , 1f:'1� // /f&//J Signatu o Applicant T Date X OWNER/REPRESENTATIV /CONTRACTOR Print Name (CIRCLE TO INDICA ) DEPARTMENTAL REVIEW APPROVED DATE DENIED DATE TAGS/NOTES/CONDITIONS BUILDING DEPARTMENT ifMfIft EPARTMENT JZ SON coU MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT Mason County Bldg. III, 426 West Cedar Street PO Box 279, Shelton, WA 98584 1854 www.co.mason.wa.us (360)427-9670 Belfair(360)275-4467 Elma(360)482-5269 Inspection Request Line (360)427-7262 (Inspections conducted between 8:00am and 4:00pm) GARAGE / DECK PLAN REVIEW CHECKLIST Owner: b,4 V&V r 0/?, Y Contractor: PoswG�vA O-Z7x,157- /NC Permit Number:-&h Z015 --00 Q-57 Site Address:Sago Acv y l of- ()P16AJ4 6L)4 l$.5�Z Plans Examiner: e 12 -E Date: • 2012 International Residential Code (IRC) WAC 51-51 • 2012 International Building Code (IBC) WAC 51-50 • 2012 International Mechanical Code (IMC) WAC 51-52 • 2012 Uniform Plumbing Code (UPC) WAC 51-56 • 2012 International Energy Conservation Code (IECC), WAC 51-11 R & 51-11 C • 2012 International Fire Code WAC 51-54A • Seismic Zone D2, Wind load 85 mph, Exposure �_ (as determined in R301.2.1.4) • Roof snow load Z S lbs. Per square foot. Floor live load varies, see R301.5. The numbered items on the following pages are associated with the above referenced codes, as adopted by Mason County. The same number identifies items in the checklist and noted on the approved plans. This checklist shall remain attached to the approved plans and be available during inspections by Mason County Building Inspectors. This checklist is submitted as information only, and shall not be construed as an all- inclusive list of code requirements. Errors or omissions in the plans and specifications shall not prevent the Building Official, or his authorized agents, from requiring revisions or corrections to these plans, and stopping the progress of the project under permit. Office hours are from 8:00 a.m. until 4:30 p.m. Monday through Friday. Inspections can be scheduled by calling (360)427-7262. From Belfair call (360) 275-4467 ext. 262. Requests can also be faxed to (360)427-7798 or via the Mason County website at www.co.mason.wa.us. Go to Community Development,then click the link in the left banner"Request an Inspection, Building Division": http://www.co.mason.wa.us/community_dev/bld inspection.php To schedule an inspection the following information will be needed: Permit number, site address, name of owner, type inspection requested, preferred day of inspection, and the telephone number Mason County staff should use when they call to confirm the inspection. Staff will attempt to accommodate dates that are requested. Worts.2912plan review checklist coversheet garage deck K t MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT Mason County Bldg. III, 426 West Cedar Street PO Box 279, Shelton, WA 98584 1854 www,co.mason.wa.us (360)427-9670 Belfair(360)275-4467 Elma(360)482-5269 Inspection Request Line(360)427-7262 (Inspections conducted between 8:00am and 4:00pm) REVIEW LIST GARAGE / DECK PLAN REV W CHECK Owner: Contractor: Permit Number: Site Address: Plans Examiner: Date: • 2012 International Residential Code (IRC) WAC 51-51 • 2012 International Building Code (IBC) WAC 51-50 • 2012 International Mechanical Code (IMC) WAC 51-52 • 2012 Uniform Plumbing Code (UPC) WAC 51-56 • 2012 International Energy Conservation Code (IECC), WAC 51-11R & 51-11C • 2012 International Fire Code WAC 51-54A • Seismic Zone D2, Wind load 85 mph, Exposure (as determined in R301.2.1.4) • Roof snow load lbs. Per square foot. Floor live load varies, see R301.5. The numbered items on the following pages are associated with the above referenced codes, as adopted by Mason County. The same number identifies items in the checklist and noted on the approved plans. This checklist shall remain attached to the approved plans and be available during inspections by Mason County Building Inspectors. This checklist is submitted as information only, and shall not be construed as an all- inclusive list of code requirements. Errors or omissions in the plans and specifications shall not prevent the Building Official, or his authorized agents, from requiring revisions or corrections to these plans, and stopping the progress of the project under permit. Office hours are from 8:00 a.m. until 4:30 p.m. Monday through Friday. Inspections can be scheduled by calling (360) 427-7262. From Belfair call (360) 275-4467 ext. 262. Requests can also be faxed to (3 60) 427-7798 or via the Mason County website at www.co.mason.wa.us. Go to Community Development,then click the link in the left banner"Request an Inspection, Building Division": http://www.co.mason.wa.us/communiry_dev/bld inspection.php To schedule an inspection the following information will be needed: Permit number, site address, name of owner, type inspection requested,preferred day of inspection, and the telephone number Mason County staff should use when they call to confirm the inspection. Staff will attempt to accommodate dates that are requested. Word:2912plan review checklist coversheet garage deck Floor Plan 1. CONSTRUCTION DOCUMENTS&COMPLIANCE devices shall be interconnected in such a manner that the r TO APPROVED PLANS:IRC Section R106. actuation of one alarm will activate all of the alarms in the Approved site plans shall be attached to the approved individual unit. The alarm shall be clearly audible in all building plans during inspection. Property lines shall be bedrooms over background noise levels with all marked. Setback distances will be measured from the intervening doors closed. Required smoke alarms shall furthest projection of the permitted structure. receive their primary power from the building wiring Manufacturer's installation instructions shall be available when such wiring is served from a commercial source and on the job site at the time of inspection. All work shall be when primary power is interrupted,shall receive power installed in accordance with the approved construction from a battery. Additions,interior alterations,and repairs documents. Any changes made during construction that shall be provided with smoke alarms as required for new are not in compliance with the approved construction dwellings;the smoke alarms shall be interconnected and documents shall be resubmitted for approval as an hard wired. (Exception:Smoke alarms are not required to amended set of construction documents. To request be interconnected and hardwired where the alteration or approval of revisions complete a"Request To Revise An repairs does not result in the removal of interior wall or Approved Plan"form and submit to the Mason County ceiling finishes exposing the structure, unless there is an Permit Center along with approved plans and documents attic, crawl space, or basement available which could detailing the proposed changes. R106 provide access for hard wiring and interconnection without removal of hard finishes. Repairs to the exterior 2. EGRESS WINDOWS: IRC Section R311. All sleeping surfaces of dwellings are exempt from these rooms and basements with habitable space shall have at requirements). least one openable emergency escape and rescue opening. Such opening shall open directly into a public street, Carbon monoxide alarms are required by 1/O1/11 in public alley,yard or court. Emergency escape and rescue all new residential construction. They shall be openings shall have a minimum net clear opening of 5.7 installed outside of each separate sleeping room in the square feet. Except that grade floor openings shall have a immediate vicinity outside of the bedroom in the minimum net clear opening of 5 square feet(see definition dwelling and on each level of the dwelling in below). The minimum net clear opening height dimension accordance with manufacturer's specifications. shall be 24". The minimum net clear opening width dimension shall be 20". The openings shall have a 4. SAFETY GLAZING:R308.1 Each pane of glass maximum height of not more than 44" measured from installed in a hazardous location shall be provided with a the finished floor to the bottom of the clear opening. manufacturer's designation specifying who applied the Emergency escape and rescue openings shall be designation,designating the type of glass and the safety operational from the inside of the room without use of glazing standard. The designation shall be visible in the keys or tools or special knowledge.Window wells shall be final installation and shall be acid etched,sand-blasted, provided when egress windows have a finished sill height ceramic fired,laser etched,embossed or on that cannot be below adjacent ground elevation. The well shall allow the removed without being destroyed. window to be fully opened and provide a minimum horizontal area of 9 sq. ft,with a minimum horizontal R308.4 Hazardous locations.The following shall be projection and width of 36-inches. Window wells with a considered specific hazardous locations for the purposes vertical depth of more than 44"shall be equipped with a of glazing: permanent ladder. Grade floor opening definition:A 1.Glazing in all fixed and operable panels of window or other opening located such that the sill height swinging,sliding and bifold doors. of the opening is not more than 44"above or below the Exceptions: finished ground level adjacent to the opening. Refer to 1.Glazed openings of a size through which a handout for additional information. 3-inch diameter(76 mm)sphere is unable to pass. 3. SMOKE&CARBON MONOXIDE ALARMS:IRC 2.Decorative glazing. Section R314&WAC R315. All smoke alarms shall be listed in accordance with UL217 and installed in R308.4.2. Glazing in an individual fixed or operable accordance with the provisions of the International panel adjacent to a door where the nearest vertical Residential Code and the household warning equipment edge is within a 24-inch(610 mm)arc of the door in a provisions of NFPA 72. Smoke alarms shall be installed closed position and whose bottom edge is less than 60 in each sleeping room,outside each separate sleeping area inches in the immediate vicinity of the bedrooms,in napping above the floor or walking surface. areas of family child daycare homes,on each additional Exceptions: story of the dwelling including basements and habitable 1.Decorative glazing. attics. Each story including basements and habitable 2.When there is an intervening wall or other attics shall have at least one detector. When more than permanent barrier between the door and the one smoke alarm is required to be installed the alarm glazing. a 3.Glazing in walls on the latch side of and Glazing in walls and fences adjacent to indoor and perpendicular to the plane of the door in a outdoor swimming pools,hot tubs and spas where the closed position. bottom edge of the glazing is less than 60 inches 4.Glazing where access through the door above a walling surface and within 60 inches, is to a closet or storage area 3-ft or less in measured horizontally and in a straight line,of the depth. water's edge.This shall apply to single glazing and 5.Glazing that is adjacent to the fixed panel all panes in multiple glazing. of patio doors. R308.4.6.Glazing adjacent to stairways,landings R308.4.3.Glazing in an individual fixed or operable and ramps less than 36 inches above the plane of panel that meets all of the following conditions: the walking surface. 1.The exposed area of an individual pane is Exceptions: larger than 9 square feet;and 1. When a rail is installed on the accessible 2.The bottom edge of the glazing is less side(s)of the glazing 34 to 38 inches than 18 inches above the floor;and above the walking surface.The rail shall 3.The top edge of the glazing is more than be capable of withstanding a horizontal 36 inches above the floor;and load of 50 pounds per linear foot 4.One or more walling surfaces are within without contacting the glass and be a 36 inches,measured horizontally and in a minimum of 11/2 inches in cross straight line,of the glazing. sectional height. Exceptions: 2. Glazing 36-inches or more measured 1.Decorative glazing. horizontally from the walling surface. 2.When a horizontal rail is installed on the accessible side(s)of the glazing 34 to 38 R308.4.7.Glazing adjacent to the stair landing at inches above the walking the bottom of a stairway where the glazing is less surface.The rail shall be capable of than 36-inches above the landing and within 60 withstanding a horizontal load of 50 pounds inches horizontally of the bottom tread. per linear foot without contacting the glass Exceptions: and be a minimum of 11/2 inches(38 mm)in 1.The side of the stairway has a guardrail cross sectional height. or handrail,including balusters or in-fill 3.Outboard panes in insulating glass units panels,complying with Sections R311.7.6 and other multiple glazed panels when the and R312 and the plane of the glass is bottom edge of the glass is 25 feet more than 18 inches from the guard. or more above grade,a roof,walking surfaces or other horizontal[within 45 5. WINDOW OPENINGS: degrees of horizontal]surface adjacent to the glass exterior. FALL PROTECTION.IRC R312.2.1 Windowsills.In dwelling units,where the opening of an operable window R308.4.4.All glazing in guards and railings is located more than 72 inches(1829 mm)above the regardless of area or height above a walking surface, finished grade or surface below,the lowest part of the including structural baluster panels and nonstructural clear opening of the window shall be a minimum of 24 infill panels. Glass used as a handrail assembly or a inches(610 mm)above the finished floor of the room in guard section shall be firmly supported on all edges. which the window is located.Operable sections of As an option glazing not supported on alledges shall windows shall not permit openings that allow passage of a be approved subject to detailed construction 4-inch diameter sphere where such openings are located documents,detailed shop drawings,and analysis or within 24 inches of the finished floor. test data assuring safe performance for the specific Exceptions: installatation prepared by a registered design 1.Windows whose openings will not allow a 4-inch- professional shall be required.(refIBC2403) diameter(102 mm)sphere to pass through the opening when the opening is in its largest opened R308.4.5.Glazing and wet surfaces including position. enclosures or walls facing hot tubs,whirlpools, 2.Openings that are provided with window fall saunas,steam rooms,bathtubs and showers where the prevention devices that comply with ASTM F2090. bottom-exposed edge of the glazing is less than 60 3.Windows that are provided with opening control inches measured vertically above any standing or devices that comply with Section R312.2.2. walking surface and less than 60-inches measured horizontally in a straight line from the water's edge of NATURAL LIGHT& VENTILATION: IRC R303. All a bathtub,hot spa,or whirlpool,or swimming pool. habitable rooms shall be provided aggregate-glazing area of not less than 8%of the area of such rooms.Natural ventilation shall be through windows,doors,louvers or 2 a other approved openings to the outdoor air. The not less than 30"in width. The clear space in front shall minimum openable area to the outdoors shall be 4%of the not be less than 21-inches. Water closet seats shall be of floor area being ventilated.Exception: 1)The glazed area smooth,non-absorbent material. The maximum water use need not be openable where the opening is not required by allowed in gallons per flush(gpf)shall not exceed 1.6. R310(egress)and an approved mechanical ventilation system is provided capable of producing.35 ACH in the 10. SHOWER and BATHTUB AREAS:IRC Section R307, room or a Whole house mechanical ventilation system is and UPC Sections 411,414,415,and 418. Bathtub and installed capable of supplying outdoor ventilation air of shower floors and walls above bathtubs with installed 15 cfin per occupant computed on the basis of two showerheads and in shower compartments shall be occupants for the 1 st bedroom and one occupant for each finished with non-absorbent surfaces that extend to a additional bedroom. 2)The glazed areas need not be height of not less than 6-feet above the floor. The clear provided in rooms where exception 1 is satisfied and space in front of the shower opening shall not be less than artificial light is capable of producing an average 24-inches. All showers shall have a minimum finished illumination of 6 foot-candles over the area of the room at interior floor area of 1024 square inches and shall be a height of 30 inches above the floor level. capable of encompassing a 30-inch circle.The minimum area and dimensions shall be maintained to a point 70" 6. EXHAUST FANS: IRC R303.4, Section M1501,M1507. above the shower drain outlet. Shower receptors shall Exhaust fans are required in each kitchen,bathroom, have curbs not less than 2-inches and not more than 9- water closet room,laundry facility,indoor swimming inches deep. The finished floor shall slope uniformly pool,spa and other rooms where excess water vapor or toward the drain not less than'/.-inch vertical per foot cooking odor is produced.The air removed by every horizontal(2%slope)nor more than''/s"per foot,and mechanical exhaust system shall be discharged outdoors at floor drains shall be flanged to provide watertight joint in a point where it will not cause a nuisance and not less than the floor. On-site built-up shower receptors shall be lined the distances specified in IMC Section 501.2.1. The air in accordance to UPC Section 411.8. Shower receptors shall be discharged to a location from which it cannot shall be tested for water tightness by filling with water to again be readily drawn in by a ventilating system. Dryer the level of the rough threshold. A removable panel shall exhaust ducts shall not be exhausted into an attic or crawl be provided to access and remove whirlpool pumps. space. The termination point shall be located at least Whirlpool pump access located in the crawl space shall be 3-feet from property lines, 3-feet in any direction located no more than 20-feet from an access door. from openings into the buildings and 10-feet from Showers and tub-shower combinations shall be provided mechanical air intakes. See energy section of this with individual control valves that provide scald and checklist for more specific requirements thermal shock protection and shall conform to ASSE 1016. Hot water supplied to bathtubs,whirlpool bathtubs 7. CLOTHES DRYERS:IRC Section M1502,G2439,& and showers shall be limited to a maximum temperature of IMC Section 504.Exhaust ducts,not less than 4-inch 120°F.The water heater thermostat shall not be diameter,shall be constructed of.0 1 6-inch-thick(28- considered a suitable control for meeting this provision. gage)rigid metal ducts,having smooth interior surfaces with joints running in the direction of air flow.Exhaust 11. CHIMNEYS&FIREPLACES: IRC Chapter 10. ducts shall not be connected with sheet-metal screws or R903.2.2,R905.After January 1, 1997 no new or used fastening means that extends into the duct and supported factory-built fireplace,and new masonry or concrete at intervals not less than 12-ft.Transition ducts shall not fireplace shall be installed in Washington State unless be concealed within construction. Flexible transition certified and labeled in accordance with the procedures ducts used to connect the dryer to the to the exhaust and criteria specified in the Washington State Building system shall be limited to single lengths,not to exceed 8- Code Standard 13-1. Contact the Olympic Region Clean feet and shall be listed and labeled in accordance to UL Air Agency(www.ORCAA.org)to obtain a list of 2158A.Exhaust ducts shall terminate outside the building approved fireplaces and stoves. Factory-built chimneys not less than 3-feet in any direction from openings into and fire 1p aces shall be labeled and installed in accordance buildings. Screens shall not be installed at the duct with the conditions of the listing.Factory built chimneys termination. Ducts shall be equipped with a backdraft installed in dwelling units with solid-fuel-burning damper.The maximum length of a clothes dryer exhaust appliances shall comply with the HT requirements of UL duct shall be in accordance with manufacturer 103 and shall be marked"Type HT and Residential Type specifications or shall not exceed 35 feet from the dryer and Building Heating Appliance Chimney." Masonry location to the wall or roof termination. When fittings are chimneys:Masonry and concrete chimneys shall be used the maximum length of the duct shall be reduced in anchored at each floor,ceiling or roofline more than 6 feet accordance to Table M1502.4.4.1. The maximum length above grade except where constructed completely within of the exhaust duct does not include the transition duct. exterior walls.A cricket or saddle shall be installed on the ridge side of any chimney or penetration more than 30-inches wide as measured perpendicular to the slope. 9. WATER CLOSET:IRC Section R307,UPC Section Cricket or saddle coverings shall be sheet metal or of the 408,402. Water closet shall be located in a clear space same material as the roof covering. Crickets shall be 3 s constructed in compliance with Figure R1003.20 and opening. Combustible material placed within 12"of the Table R1003.20. See also seismic anchorage fireplace opening(such as mantles or decorative fireplace requirements in IRC Section RI001.4. Chimney flashing surrounds)shall not project more than 1/8"for each 1" shall be applied according to the asphalt shingle clearance from the opening. manufacturer printed instructions. 15. COMBUSTION AUVEXTERIOR AIR SUPPLY:IRC 12. TIGHT-FITTING DOORS(FIREPLACE): R1006.2. R303.4,R1001.7.1 (WAC),AND R1006.(WAC), Solid fuel burning appliances and fireplaces shall be M1701 and G2407.Fuel burning appliances shall be provided with tight-fitting glass or metal doors. An provided with combustion air obtained from outside the outside source for combustion air shall be ducted to the structure ducted into the firebox.Direct vent appliances or firebox. equipment that do not draw combustion air from inside of the building shall be provided with combustion ventilation 13. FIREPLACE HEARTH EXTENSION: IRC Sections and dilution air in accordance to the manufacturer's RI004.2,R1001.9.RI001.10 and R1004.2,M1414.2. specifications. Fuel gas dryers shall be provided with Hearth extensions of approved factory-built fireplaces make-up air as directed by manufacturer specifications. shall be installed in accordance with the listing of the Solid-fuel-burning appliances shall be provided with fireplace.The hearth extension shall be readily combustion air in accordance with the manufacturer's distinguishable from the surrounding floor area.Masonry installation instructions. Oil-fired appliances shall be fireplace hearths and hearth extensions shall be provided with combustion air in accordance to NFPA 31. constructed of concrete or masonry,supported by Where required,outdoor combustion air shall be provided noncombustible materials.Fireplace hearths shall be at in accordance to IRC G2407.6. The minimum dimension least 4"thick and hearth extensions shall be at least 2" of air openings shall be not less than 3 inches. Two- thick. The fireplace extension shall extend at least 16"in permanent-openings method:Two permanent openings, front of,and at least 8"beyond each side of the fireplace one commencing within 12 inches of the top and one opening. Where the fireplace opening is 6 square feet or commencing within 12 inches of the bottom of the larger,the hearth extension shall extend at least 20"in enclosure,shall be provided. front of,and at least 12"beyond each side of the fireplace The openings shall communicate directly,or by ducts, opening.Hearth extensions for fireplace stoves shall be with the outdoors or spaces that freely communicate with installed in accordance to the listing of the fireplace stove. the outdoors and have an opening of 1 sq-inch per 4,000 Btu/h of total input rating of all appliances in the enclosure. Where communicating with the outdoors 14. CLEARANCE TO COMBUSTIBLES&FIREPLACE through horizontal ducts,each opening shall have a FIREBLOCKING:IRC Sections R302.13,R1001.11, minimum free area of not less than 1 square inch per 1003.18, 1003.19,and M1306.2.1. Combustible 2,000 Btu/h of total input rating of all appliances in the insulation shall be separated a minimum of 3"from heat enclosure. One-permanent-opening method: One producing appliances. Exception:Insulation shall be permanent opening,commencing within 12 inches of the separated in accordance with conditions stipulated in top of the enclosure,shall be provided.The appliance manufacturer's listing. When masonry chimneys are built shall have clearances of at least 1 inch from the sides and within a structure,minimum 2"air space clearance to back and 6 inches from the front of the appliance.The combustible material is required. When the chimney is opening shall directly communicate with the outdoors or placed on the exterior of the structure,a 1"clearance is through a vertical or horizontal duct to the outdoors,or allowed. The air space shall not be filled,except to spaces that freely communicate with the outdoors and provide noncombustible fire blocking.All wood beams, shall have a minimum free area of 1 square inch per 3,000 joists,studs and other combustible material shall have a Btu/h of the total input rating of all appliances located in clearance of not less than 2"from the front faces and sides the enclosure and not less than the sum of the areas of all of masonry fireplaces and not less than 4"from the back vent connectors in the space. Outside combustion air faces of masonry fireplaces.The air space shall not be openings shall be corrosion resistant screen or equivalent filled,except to provide fireblocking in accordance to protection having not less than'/.-inch openings and not Section R602.8(see item#64). All spaces between greater than''/z"openings. Unless otherwise specified by chimneys and floors and ceilings through which chimneys the manufacturer or determined by actual measurement, pass shall be fireblocked with noncombustible material the free area shall be considered 75%of the gross area for securely fastened in place. The fireblocking of spaces metal louvers and 25%of the gross area for wood louvers. between chimneys and wood beams,joists,or headers Volume dampers(manual dampers)shall not be installed shall be self-supporting or be placed on strips of metal or in combustion air openings.Openings shall be covered metal lath laid across the spaces between combustible with corrosion-resistant screen,not less than'/.-inch material and the chimney.. The air space shall not be openings and not greater than''/2-inch openings. Outdoor filled,except to provide fire blocking in accordance with air openings for fuel-burning appliances are permitted to sections R1003.19. Woodwork or other combustible connect spaces such as ventilated crawl spaces or materials shall not be placed within 6"of a fireplace ventilated attic spaces,provided those spaces can provide unobstructed openings to the outdoors. The exterior air 4 intake shall not be located within the garage or basement clear unobstructed passageway large enough to allow `. of the dwelling nor shall the air intake be located at an removal of the largest appliance,but not less than 30- elevation higher than the firebox.Mechanical and gravity inches high and 22-inches wide and not more than 20-feet outside air intake openings shall be located a minimum of long when measure from the opening to the appliance. 10' from any hazardous or noxious contaminant,such as The passageway shall have continuous solid flooring not vents,chimneys,plumbing vents,streets,alleys,parking less than 24-inches wide. A level service space at least lots and loading docks. Where a source of contaminant is 30-inches x 30-inches along all sides. Appliances located located within 10'of an intake opening,such opening in under floor spaces shall have an unobstructed shall be located a min.of 2'below the contaminant passageway large enough to remove the largest appliance, source. Exhaust from dwelling units,toilet rooms, but not less than 30-inches high and 22-inches wide,nor bathrooms and kitchens shall not be considered as more than 20-feet long,measured from the opening to the hazardous or noxious. appliance.A level service space at least 30-inches x 30- inches along all sides. If the service space exceeds 12- 16. APPLIANCE INSTALLATION: IRC Chapter M12, inches below the adjoining grade,the walls on the Chapter M 13, M2005,G2406. Appliances shall be passageway shall be lined with concrete or masonry listed and labeled for the application in which they are extending 4-inches above the adjoining grade. Appliance installed and used. A permanent factory-applied supported from the ground shall be level and firmly nameplate shall be affixed to appliances with information supported on a concrete slab. Appliances suspended from listed in accordance to M1303. The standards for the floor shall have a clearance of not less than 3-inches liquefied petroleum gas installations shall be in from the ground in stalled in accordance to manufacturer accordance with NFPA 58(Liquefied Petroleum Gas specifications. A luminaire,controlled by a switch at the Code)and the International Fuel Gas Code. The passageway opening shall be installed near under floor manufacturer's operating and installation instructions shall and attic appliances and a receptacle outlet shall be remain attached to the appliance. Fuel-fired appliances installed at or near the appliance location. shall not be located in sleeping rooms,bathrooms,toilet rooms,or storage closets.Exception: 1)direct vent 17. APPLIANCES LOCATED IN GARAGE: IRC Section appliances that obtain all combustion air from the M1307.Appliances located in a garage,carport or other outdoors. Where combustion air is obtained from a location where subject to mechanical damage shall be dedicated enclosure in which combustion air is taken protected with approved barriers. Vehicle barrier systems directly from the outdoor in accordance to G2407,access for passenger cars shall be designed to resist a single load to such enclosure shall be through a WSEC approved of 6,000 lbs.Applied horizontally in any direction to the solid door, weather-stripped and equipped with an barrier system and shall have anchorage or attachment approved self-closing device. Appliances shall be capable of transmitting this load to the structure. For accessible for inspection,service,repair,and replacement design of the system,the load shall be assumed to act at a without removing permanent construction,other minimum height of 1'6"above the floor or ramp surface appliances,or other piping or ducts not connected to the on an area not to exceed I sq. ft. appliance. Appliances shall not be installed in a location where subject to mechanical damage unless protected by Equipment and appliances having an ignition source shall approved barriers. Appliances designed to be in fixed be elevated such that the source of ignition is not less than positions shall be anchored or strapped to resist horizontal least 18"above the floor surface on which the equipment displacement caused by earthquake motion in an approved or appliance stands unless the appliance is listed as manner. Strapping shall be at points within the upper 1/3 flammable vapor ignition resistant. Rooms or spaces that and lower 1/3 of the appliances vertical dimensions. At are not part of the living space of a dwelling unit and that the lower point the strapping shall maintain a minimum communicate with the private garage through openings distance of 4-inches above the controls.. Fuel-fired shall be considered to be part of the garage and appliances furnaces and boilers installed in closets and alcoves shall located in the space shall be elevated as specified above. be listed for such installation. Equipment installed in outdoor locations shall be either listed for outdoor 18. WATER HEATERS:UPC Chapter 5&608,IRC installation or provided with protection from outdoor Section M1307.2,M2005&IECC/WSEC R403.4.When environment factors that influence operability,durability water heaters or hot water storage tanks are installed in and safety of the equipment. Appliances installed in a locations where leakage of the tanks or connections will compartment,alcove,basement or similar space shall be cause damage,the tank or water heater shall be installed accessed by an opening or door and an unobstructed in a watertight pan of corrosion resistant material. The passageway measuring not less than 24-inches wide and pan shall be at least 1.5"deep and with a W'diameter large enough to allow removal of the largest appliance in drain to the exterior of the building not less than 6"and the space,provided there is a level service space of not not more than 24"above the adjacent ground surface. less than 30-inches deep and the height of the appliance, Temperature and pressure relief valves shall be drained to but not less than 30-inches,at the front or service side of the outside of the building. Drain may not be trapped and the appliance with the door open. Attics containing must terminate not more than 2' nor less than 6"above the appliances requiring access shall have an opening and a ground or the flood level of the area receiving the 5 discharge and pointing downward. Water heaters shall be installed at least 6"above the highest point of usage anchored or strapped to resist horizontal displacement due located on the discharge side of the last valve. to earthquake motion. Twenty-two(22)gage x 3/" strapping shall be used and be placed at points within the 22. TRAP PRIMERS.DISHWASHER AIRGAP:UPC upper one-third(1/3)and lower one-third(1/3)of it's Section 1007&807.4. Floor drains or similar traps vertical dimensions. At the lower point,a minimum connected to the drainage system and subject to infrequent distance of 4"shall be maintained above the controls. use shall be protected with a trap seal primer and shall be Lag screws not less than Y4"in diameter must be used to accessible for maintenance.All dishwashers connected to anchor the restraints to the wall and each lag screw must a drainage system or food waste disposer shall be have at least 1-%"thread penetration into a stud wall. A equipped with an approved air gap fitting on the discharge flat washer must be installed between each lag screw and side of the dishwashing machine. Listed air gaps shall be the strap for reinforcement. When the water supply installed with the flood-level marking at or above the system is provided with a pressure regulating device or flood-level of the sink or drain board,whichever is higher. check valve a properly sized expansion tank shall be installed per manufacturer specifications. Check with 23. GARAGE/DWELLING DOOR/OPENINGS:IRC your water purveyor. Water heaters used to supply both Section R302.5.1 Openings between the garage and potable hot water and hot water for space heating shall be residence shall be equipped with self-closing,solid wood installed in accordance with manufacturer's installation doors not less than 1-3/8 inches(35mm)in thickness, instructions. In addition combination space and service solid or honeycomb core steel doors not less than 1-3/8" water heaters shall have an Energy Factor(EF)or thick,or 20-minute fire-rated doors. Combined Annual Efficiency(CAE)not less than that specified in WSEC Section 504.2.1. Service water 24. GARAGE/DWELLING SEPARATION: IRC Section heating systems shall be equipped with automatic R302.5 R302.6,.The garage shall be separated from the temperature controls and shall be set to 120°F. W SEC residence and its attic area by not less than'/s"gypsum Section 504.2.1 requires that all electric water heaters board applied to the garage side. Garages beneath shall be placed on an R-10 pad when located in an habitable rooms shall be separated from all habitable unheated space or on a concrete floor. rooms above by not less than 5/8"Type X gypsum board or equivalent. Where the separation is a floor-ceiling 19. LPG(PROPANE)APPLIANCES&TANKS:IFGC assembly,the structure supporting the separation shall 303,NFPA 58,IRC M1301,IRC Chapter G24,&IMC also be protected by not less than''/s"gypsum board or Section 303.7 and IFGC303.7.Appliances shall be equivalent. Ducts in the garage and ducts penetrating the installed in accordance with the manufacturer listing. walls or ceilings separating the dwelling from the garage Fuel-gas appliances shall not be located in sleeping shall be constructed of a minimum 26-gage sheet metal or rooms,bathrooms,toilet rooms,storage closets or in a other approved material and shall have no openings into space that opens only into such rooms unless allowed in the garage. Penetrations shall be protected by filling the accordance with G2406.2.Appliances installed in pits or opening around the penetrating item with approved excavations shall not come in direct contact with the material to resist the free passage of flame and products of surrounding soil. The sides of the pit shall be held back a combustion. Garages located less than 3-feet from a minimum of 12"from the appliance. Where the depth dwelling unit on the same lot shall be protected with not exceeds 12"below the adjoining grade,the walls of the pit less than''/z-inch gypsum board applied to the interior side or excavation shall be lined with concrete or masonry. of the exterior walls that are within this area. Openings Containers used for storage of LPG shall be installed in shall meet the same protection as required in R302.5. accordance with the Fire Code,see details attached. 25. SEPARATION BETWEEN DWELLING UNITS:IRC 20. MANUFACTURER'S SPECS: IRC Section M1302, Section R302.3. Walls and floors assemblies separating M1303.1,M1307,and IMC 304.1. All appliances shall dwelling units in 2-family dwellings shall not be less than be listed and bear a permanent factory applied 1-hr fire-resistive rating. nameplate(s)affixed to the appliances with manufacturer's name or trademark,model number,serial number,and 26. FIRE-RESISTANCE OF EXTERIOR WALLS: seal or mark of testing agency. The installer shall leave Washington State Amendment to R302.1,Tables R302.1 the manufacturer's installation and operating instructions and R302.1(2).Exterior walls with a fire separation attached to the appliance. distance less than 5-feet shall have not less than a 1-hour fire-resistive rating with exposure from both sides. 21. VACUUM BREAKERS:UPC Sections 603.4.7. Openings are not permitted at less than 3-ft and limited Potable water outlets with hose attachments other than when located between 3-ft to 5-ft.Projections shall not water heater drains,and clothes washer connections shall extend to a point closer than 2-feet from the line used to be protected by a listed non-removable backflow determine the fire separation distance. When a structure preventor,a non-removable frost-free hose bib type is equipped with an automatic fire-sprinkler system vacuum breaker,or an atmospheric vacuum breaker installed in accordance with P2904 fire-resistive 6 ratings may be reduced in accordance with Table openable from the side from which egress is to be made i R302.1(2). Exception:Detached garages accessory to a without the use of a key or special knowledge or effort. dwelling located within 2-ft of a lot line may have roof eave projections not exceeding 4". Projections extending 31. LANDINGS AT DOORS AND STAIRWAYS& into the fire separation distance shall have not less than CONSTRUCTION:IRC R311.3,R311.5. The floor or one-hour fire-resistive construction on the underside. landing at the required egress door shall not be more These provisions shall not apply to walls perpendicular to than 1-1/2" lower than the top of the threshold. the line used to determine the fire separation distance. Exception:The landing on the exterior side shall not be Exception: Tool and storage shed playhouses and similar more than 7-314"below the top of the threshold provided structures exempted from permits by R105.2 or Mason the door does not swing over the landing or floor. County ordinance are not required to provide wall Storm and screen doors are allowed to swing over all protection based on location on the lot. Projections exterior stairs and landings.When exterior landings or beyond the wall line shall not extend over the lot line. floors serving the required egress door are not at grade, Exception:Foundation vents installed in compliance with they shall be provided with access to grade by means of a this code are permitted. ramp or stairway. There shall be a floor or landing on each side of all other exterior doors.Floor elevations for 28. MINIMUM CEILING HEIGHTS: IRC R305. the doors shall be provided with landings no more than 7- Habitable rooms,hallways,corridors,bathrooms,toilet 3/4"below the top of the threshold. Exception: A rooms,laundry rooms and basements shall have a ceiling landing is not required where a stairway of two or fewer height of not less than 7-feet,measured from the finished risers is located on the exterior side of the door,provided floor to the lowest projection from the ceiling. the door does not swing over the stairway. Storm and Exceptions: 1)For rooms with sloped ceilings, at least screen doors are permitted to swing over all exterior 50%of the required floor area of the room must have a stairs and landings The width of each landing shall not ceiling height of at least 7-feet and no portion of the be less than the door served and shall have a min. required floor area may have a ceiling height of less than dimension of 36-inches measured in the direction of 5-feet. 2)Bathrooms shall have a min ceiling height of travel.The floor or landing at the exterior door shall not 6'8"over the fixture and at the front clearance area for be more than 1 ''/s"lower than the top of the threshold. fixtures as shown in figures R307.1. The ceiling height The landing shall be permitted to have a slope not to above fixtures shall be such that the future is capable of exceed 1/4 unit vertical in 12 units horizontal(1:48). A being used for it's intended purpose. A shower or tub flight of stair shall not have a vertical rise greater than 12- equipped with a showerhead shall have a minimum feet between floor levels or landings. Landings shall be ceiling height of 6'8"above the area 30-inches x 30- the same width of the stairway served and at least 36- inches at the showerhead. Portions of basements that do inches measured in the direction of travel. not contain habitable space, hallways, bathrooms, toilet rooms and laundry rooms may project to within 6'8"of Exterior landings,decks,balconies,stairs,and similar the finished floor. Exception:beams,girders, ducts or facilities shall be positively anchored to the primary other obstructions may project within 64"of the finished structure to resist both vertical and lateral forces or shall floor be designed to be self-supporting. Attachments shall not be accomplished by use of toenails or nails subject to 29. ATTIC ACCESS:IRC R807.1. Buildings with withdrawal. See also item#69 for deck attachment info. combustible ceiling or roof construction shall have an attic access openings to attic areas that exceed 30 sq.ft.and 32. GUARDS: IRC Section R312. Table R301.5 Guards have a vertical height of 30".Minimum access openings shall be provided for porches,balconies,ramps,or raised shall not be less than 22"x 30". The attic access shall be floor surfaces located more than 30"above grade or a located in a hallway or other readily accessible location floor below.Grade shall be measured 36-inches with a 30"minimum unobstructed headroom in the attic horizontally from the edge of the floor surface. Guards space above the access opening. shall be not less than 36"in height,measured from the 30. EXTERIOR DOORS/EXITS: IRC R311. At least one adjacent walking surface,adjacent fixed seating or the egress door shall be provided to each dwelling. The line connecting the leading edges of a tread. Exception: egress door shall be side-hinged and with a min.clear 1)Open sides of stairs with a total rise of more than 30" width of 32-inches in width and not less than 78-inches in above the floor or grade below shall have guards not less height,measured from the top of the threshold to the than 34"in ht. measured vertically from a line connecting bottom of the stop. The exit door shall provide direct the leading edges of the treads. 2) Where the top of the access from the habitable portions of the dwelling to the guard also serves as a handrail on the open sides of exterior without requiring travel through a garage. Egress stairs, the top of the guard shall not be less than 34"and from habitable levels including habitable attics and not more than 38"above the leading edge of treads. basements not provided with an egress door shall be by a Required guards shall be designed such that a sphere 4"in ramp or a stairway in accordance to applicable IRC diameter cannot pass through. Exceptions: 1)The sections 311.8 or 3l l.7. Egress doors shall be readily triangular openings at the open side of a stair, formed by the riser, tread and bottom rail of a guard are permitted 7 to be of such size that sphere 6-inches cannot pass within any flight of stairs shall not exceed the smallest by through. 2)Guards on the open sides of stairs shall not more than 3/8". A nosing not less than V but not more have openings which allow passage of a sphere 4-318"in than 1 ''/a"shall be provided on stairways with solid risers. diameter. Handrail assemblies and guards shall be able to Open risers are permitted,provided that the opening does resist a single concentrated load of 200 lbs.,applied in any not permit the passage of a 4"diameter sphere.Exception: direction at any point along the top,and have attachment Nosing is not required where the tread depth is at least devices and supporting structure to transfer this loading to 11". The opening between adjacent treads is not limited appropriate structural elements of the building. on stairs with a total rise of 30"or less. Ramps shall Intermediate rails(all those except the handrail),balusters have a maximum slope of 1 unit vertical in 12 units and panel fillers shall be designed to withstand a horizontal. horizontally applied normal load of 501bs.on an area equal to 1 sq.ft.,including openings and space between 36. STAIR HEADROOM CLEARANCE: IRC R311.7.2 rails. All parts of the stairway shall not be less than 6'8" measured vertically from the sloped plane adjoining the 33. HANDRAILS: IRC Section R311.7.8,R311.8.3 All tread nosing or from the floor surface of the landing or stairways with 4 or more risers shall have at least one platform. See exception for spiral stairways. handrail. Such handrails shall be placed not less than 34" and not more than 38"above the nosing of the treads. 37. UNDER STAIR PROTECTION: IRC Section R302.7 Handrails for stairways shall be continuous for the full Enclosed accessible space under stairs shall have walls, length of the flight,from a point directly above the top under stair surface and any soffits protected on the riser to a point directly above the lowest riser. Handrail enclosed side with%"gypsum board. ends shall be returned or terminate in newel posts or safety terminals. Handrails adjacent to the wall shall have 38. ILLUMINATION: IRC Section R303.7.All interior and a space not less than 1 ''/s"between the wall and the exterior stairways shall be provided with a means to handrail. TYPE I: Circular handrails shall have an outside illuminate the stairs,including landings and treads. diameter of at least 1 '/4"and not greater than 2". If the Stairway illumination shall receive primary power handrail is not circular,it shall have a perimeter from the building wiring.Interior stairways shall be dimension of at least 4"and not greater than 6 '/4"with a provided with an artificial light source located in the maximum cross-section dimension of 2 ''/,". TYPE II: immediate vicinity of each landing of the stairway. Handrails with a perimeter greater than 6'/4"shall have a Exterior stairways shall be provided with a light source graspable finger recess area on both sides of the profile. located in the immediate vicinity of the top of the landing The finger recess shall begin a distance of V measured of the stairway. Exterior stairways providing access to a vertically from the tallest portion of the profile and basement from the outside grade level shall be provided achieve a depth of at least 5/16"within 7/8"below the with an artificial light source located in the immediate widest portion of the profile. This required depth shall vicinity of the bottom landing of the stairway. Where continue for at least 3/8"to a level that is not less than 1 lighting outlets are installed in the interior stairways,there V below the tallest portion of the profile. The minimum shall be a wall switch at each floor level to control the width of the handrail above the recess shall be 1 ''/,"to a lighting outlet where the stairway has 6 or more risers. maximum of 2 V. Edges shall have a minimum radius of The illumination of exterior stairways shall be controlled .01". See item#34,stairway width,for additional from inside the dwelling unit information. Also refer to deck detail information attached to this checklist. 39. SPECIAL STAIRWAYS: IRC Section R311.4, R311.7.10,R311.7.5.2.1, . Spiral stairways and bulkhead 34. STAIR WIDTH: IRC Section R311.7.1 Stairways shall enclosure stairways shall comply with all requirements of not be less than 36"in clear width at all points above the stairways except: Spiral stairways are permitted,provided handrail height and below the required headroom height. the minimum width below the handrail shall be 26 inches Handrails shall not project more than 4'/z"on either side with each tread having a 7 '/z"minimum tread depth at 12" of the stairway and the minimum clear width of the from the narrower edge.All treads shall be identical,and stairway at and below the handrail height,including treads the rise shall be no more than 9 ''/Z".A minimum and landings,shall not be less than 31 ''/s"where the headroom of 6 feet 6 inches shall be provided. Stairways handrail is installed on one side and 27"where handrails serving bulkhead enclosures see IRC Section R311.7.10.2. are installed on both sides. Width of spiral stairways shall The walk line across winder treads shall be concentric to be in accordance with Section R311.7.9.1,see item#39. the curved direction of travel through the turn and located 12"from the side where the winders are narrower. The 35. STAIR TREADS&RISERS and RAMP SLOPE: IRC 12"dimension shall be measured from the widest point of Section R311.7.5&R311.8.1 The maximum riser height the clear stair width at the walking surface of the winder. shall be 7 V.The greatest riser height within any flight of If winders are adjacent within the flight,the point of the stairs shall not exceed the smallest by more than 3/8". widest clear stair width of the adjacent winder shall be The minimum tread depth shall be 10". The tread depth used. Winder treads shall have a minimum tread depth of 8 10"between the vertical planes of the foremost projection Vertical reinforcement for masonry stem walls shall be of adjacent treads at the intersections with the walk line. tied to the horizontal reinforcement in the footings. Winder treads shall have a minimum tread depth of 6"at Masonry stem walls located in Seismic Design Categories any point within the clear width of the stair. Note: D2 shall have a min.vertical reinforcement of one#4 bar Washington State Amendment to IRC R311.4:Stairs and located a max.of 4' o.c.in grouted cells. ladders are permitted within an individual dwelling unit Foundation walls located in Seismic Design Categories used for access to areas of 200 sq.ft. or less, and not D2,as established in Table R301.2(1),supporting more containing the primary bathroom or kitchen. than 4'of unbalanced backfill or exceeding 8' in height shall be constructed in accordance with Table R404.1.1(5)and shall have two#4 horizontal bars located 40.FOUNDATION FOOTING SIZE: IRC Section R403. in the upper 12"of the wall. Assume load-bearing value of soil 1500 psf unless proven As a minimum standard,refer to the attached handouts: otherwise.All exterior walls shall be supported on Foundation Reinforcement Requirements. continuous footings placed on undisturbed natural soils or 43. STEPPED FOUNDATIONS: IRC Section 602.11.2. engineered fill. All required interior braced wall panels Where the height of a required braced wall line that shall be supported on footings at intervals not exceeding extends from the foundation to floor above varies more 50-ft. • Supporting 1 story:minimum 6"x 12". than 4',the braced wall panel shall be constructed in „ accordance to figure R602.11.2 and as follows: See • Supporting 2 story:minimum 6 x 15 . attached details. 1)Where the lowest floor framing rests ;pread Supporting 3 story:minimum 8"x 23". directly on a sill bolted to a foundation not less than 8' in footing projections shall be at least 2"&shall not length along a line of bracing,the line shall be considered exceed the thickness of the footing.R403.1.3 Interior- as braced. The double plate of the cripple stud wall stud-bearing walls,supporting 3-stories or less,are beyond the segment of footing that extends to the lowest permitted to be supported by isolated plain concrete framed floor shall be spliced by extending the upper top footings supporting columns or pedestals. plate a minimum of 4' along the foundation. Anchor bolts shall be located a maximum of F and 3'from the step 41. FOOTING REINFORCEMENT:IRC Section R403.1, foundation. 2)Where cripple walls occur between the top Standard Hook ACI Section 611.7.1.5. Concrete footings of the foundation and the lowest floor framing,the bracing shall have bottom reinforcement located a minimum of 3- requirements for a story shall apply,see R602.10.9 and inches clear from the bottom of the footing. Where a R602.10.9.1 3)Where only the bottom of the foundation construction joint is created between a concrete footing is stepped and the lowest floor framing rests directly on a and stem wall,a min.#4,grade 60,vertical bar shall be sill bolted to the foundations,the requirements of provided at not more than 4-feet on center. The vertical R403.1.6 and R602.11.1 shall apply. See item#46. bar shall extend to 3-inches clear of the bottom of the footing,have a standard hook and extend a minimum of 14-inches into the stem wall. The standard hook shall • FOOTING DEPTH: IRC Section R403.1.4.1,403.1.4.2. have a 3-inch return and shall engage the center-footing all exterior footings shall be placed at least 12"below bar. The vertical bar shall be tied in place at inspection. undisturbed ground. Interior footings supporting bearing As a minimum standard,refer to the attached handouts: or bracing walls and cast monolithically with a slab on Foundation Reinforcement Requirements. grade shall extend to a depth oVess than 12"below the top of slab. ROT 42. FOUNDATION WALL SIZE:IRC R403.1.3.1,R404, 45. BRACED WALL PANEL SUPPORT/CRIPPLE Tables R404.1.1(1)through R404.1.1(4),&Section WALL BRACING:IRC Definition, Sections R602.9, 404.1.4 See attached handouts. Concrete and plain R602.10.9.1,R602.10.11,One story buildings in seismic masonry foundation walls located in Seismic Design design category D2 shall be supported on continuous Categories D2,as established in Table R301.1(1),shall foundations at intervals not to exceed 50-ft. In two- comply with the following: 1) Minimum reinforcement story buildings ALL interior braced wall panels shall shall consist of one#4 horizontal bar located in the upper be supported by cripple walls that do not exceed 4-ft, 12"of the wall(two bars if wall greater than 8' in height), 1"floor braced panels supported by double joists, 2)Wall height shall not exceed 10', 3)Height of continuous blocking or floor beams and the distance unbalanced backfill shall not exceed 4'0"(except per between wall bracing does not exceed twice the table 404.1.1(5)),and 4)A minimum thickness of 7 '/z"is building width. Cripple walls defined as the framed required for concrete foundation walls except that a wall extending from the top of the foundation to the minimum thickness of 6"shall be permitted for concrete underside of the floor framing of the story above, foundation walls with a maximum height of 4'6"provided shall be constructed with wood structural panels with the minimum specified compressive strength of concrete, the length and method specified in Table R602.10.3(3) fc,is 3000 psi. 5)Masonry foundation walls shall be a and R602.10.3(4). Adhesive attachment of wall minimum of 8"thick. sheathing shall not be permitted in Seismic Design Categories D2. 9 46. FOUNDATION ANCHORAGE:IRC Section 403.1.6, habitable spaces located below grade. Drainage tiles, R602.11. Braced wall panels shall be supported directly gravel,or crushed stone drains,perforated pipe or other on continuous foundations. The wood sole plates at approved systems or materials shall be installed at or exterior walls on monolithic slabs and wood sill plates below the area to be protected and shall discharge by shall be anchored to the foundation with%2"anchor bolts gravity or mechanical means into an approved drainage spaced a maximum of 6'o.c.and shall extend a minimum system. Gravel or crushed stone drains shall extend at of 7"into concrete or grouted cells of concrete masonry least 1-foot beyond the outside edge of the footing and at units. The maximum anchor bolt spacing shall be 4-ft for least 6 inches above the top of the footing and be covered buildings over two stories in height.There shall be 2 bolts with an approved filter membrane material. The top of per plate section with one bolt located not more than 12" open joints of drain tiles shall be protected with strips of or less than 7 bolt diameters(3 %"typical)from each end building paper,and the drainage tiles or perforated pipe of the plate section. Where interior braced wall lines are shall be placed on a minimum 2 inches of washed gravel required(seismic zones D1 &D2)to be supported by or crushed rock at least one sieve larger than the tile joint continuous foundations in Section 403.1.2,'/s"anchor opening or perforation and covered with not less than 6 bolts shall be spaced not more than 6'o.c.and located inches of the same material. within 12"from the ends of each plate section. Anchor bolts shall be at least'/z"in diameter and shall extend a 49. FOOTING/PIERS ON OR ADJACENT TO SLOPES: minimum of 7"into masonry or concrete. Interior bearing IRC Section 403.1.7. The placement of buildings and wall sole plates on monolithic slab foundations shall be structures on or adjacent to slopes steeper than 1 unit positively anchored with approved fasteners. A nut and vertical in 3 units horizontal(33.3-percent slope)shall washer shall be tightened on each bolt to the mudsill plate conform to Sections R403.1.7.1 through R403.1.7.4. using'/4"x 3"x 3"plate washers except where approved Buildings below slopes shall be set a sufficient distance anchor straps are used. At all braced wall lines sills and from the slope to provide protection from slope drainage, sole plates shall be protected against decay. The hole in erosion and shallow failures. Where the existing slope is the plate washer is permitted to be diagonally slotted with steeper than one unit vertical in one unit horizontal(100% a width of up to 3/16"larger than the bolt diameter and a slope),the toe of the slope shall be assumed to be at the slot length not to exceed 1-3/4",provided a standard cut intersection of the horizontal plane drawn from the top of washer is placed between the plate washer and the nut.. the foundation and a plane drawn tangent to the slope at 47. DAMP-PROOF FOUNDATION WALLS:IRC Section an angle 45 degrees to the horizontal. Where a retaining R406. Except where required to be waterproofed by wall is constructed at the toe of the slope,the height of the section R406.2,foundation walls that retain earth and slope shall be measured from the top of the wall to the top enclose interior or usable spaces located below grade shall of the slope. Footings on or adjacent to slopes shall be be damp proofed from the top of the footing to the founded in material with an embedment and setback from finished grade. R406.2:In areas where a high water table the slope surface to provide vertical and lateral support for or other severe soil-water conditions are known to exist, the footing without detrimental settlement. Except as exterior foundation walls that retain earth and enclose provided for in Section R403.1.7.4 and Figure usable spaces located below grade shall be waterproofed R403.1.7.1,the following setback is deemed adequate to with a membrane extending from the top of the footing to meet the criteria. Where the slope is steeper than one unit the finished grade. The membrane shall consist of 2-ply vertical in one unit horizontal(100/o slope),the required hot mopped felts,55-pound roll roofing,6-mil polyvinyl setback shall be measured from an imaginary plane 45 chloride,6-mil polyethylene,40-mil polymer-modified degrees to the horizontal,projected upward from the toe asphalt or 60-mil flexible polymer cement. The joints in of the slope.Footings adjacent to slopes shall be founded in firm material with an embedment and setback sufficient the membrane shall be lapped and sealed with an adhesive to provide vertical and lateral support for the footing compatible with the waterproofing membrane. See without detrimental settlement. Alternate setbacks and exceptions for additional information. clearances are permitted,subject to the approval of the 48. FOUNDATION DRAINAGE: IRC Section R401.3, building official. The building official is permitted to R405. Surface drainage shall be diverted to an approved require an investigation and recommendation of a point of collection so as to not create a hazard. Lots shall qualified engineer to demonstrate that the intent of the be graded so as to drain surface water away from code has been satisfied. Such an investigation foundation walls. The grade away from foundation walls (geotechnical evaluation)shall include consideration of shall fall a minimum of 6"within the first 10.'Exception: material,height of slope,slope gradient,load intensity and erosion characteristics of slope material. Exception: Where lot lines, walls, slopes or other physical barriers Mason County Development Regulations may specify prohibit 6"of fall within 10'drains or swales shall be additional requirements. provided to ensure drainage away from the structure. Impervious surfaces within 1 D ft of the building 50. CHIMNEY FOUNDATION&SEISMIC foundation shall be sloped a min. 2%away from the REINFORCING: IRC Sections 1001, R1001.2,When building. Drains shall be provided around all concrete or an approved design is not provided,footings for masonry masonry foundations that retain earth and enclose 10 and concrete fireplaces and their chimneys shall be of the building,supported by a concrete pier or metal constructed of concrete or solid masonry not less than 12" pedestal at a height greater than 8"from the exposed earth thick,and extend 6-inches beyond the face of the fireplace and the earth is covered by an impervious moisture or foundation wall on all sides. Footings shall be founded barrier. on natural,undisturbed earth or engineered fill below the Columns shall be restrained to prevent lateral frost depth,at least 12"below finished grade.Masonry or displacement at the bottom end. Wood columns shall not concrete chimneys shall be anchored at each floor,ceiling, be less in nominal size than 4"x 4"or approved or roof line more than 6-ft.above grade,except where equivalent. completely within the exterior walls.Unless designed otherwise masonry and concrete chimneys shall be 54. GIRDERS ENTERING MASONRY OR CONCRETE reinforced and anchored in accordance to Chapter 1001. WALLS: IRC Section R317.1 #4. The ends of wood girders entering exterior concrete or masonry walls shall 51. UNDER-FLOOR VENTILATION:WAC amendment to IRC Section R408.1 and R408.2. The under-floor be provided with a 1/2"airspace on tops,sides and ends unless an approved species and grade of lumber specified space between the bottom of the floor joists and the earth in Sections R317.1 &R317.2 and listed in#56 of this under any building(except space occupied by a basement checklist is used. or cellar)shall be provided with ventilation openings through foundation walls or exterior walls having-a net 55. POST-BEAM CONNECTIONS/FASTENING: IRC area of not less than 1 square foot for each 300 square feet Section R502.9,R301. Where post and beam or girder of under-floor space area. In addition,a ground cover construction is used to support floor framing,positive shall be installed in accordance to item#96. One connections shall be provided to ensure against uplift and ventilating opening shall be within 3-feet of each comer of lateral displacement. The construction of buildings and the building,except one side of the building shall be structures shall result in a system that provides a complete permitted to have no ventilation openings. Ventilation load path that meets all requirements for the transfer of all openings shall be covered for their height and width with loads from their point of origin through their load resisting any of the following materials provided that the least elements to the foundation. dimension of the covering shall not exceed''/.": 1) perforated sheet metal plates not less than.070"thick, 2) 56. MINIMUM STANDARDS&PROTECTION Expanded sheet metal plates not less than.047"thick, 3) AGAINST DECAY:IRC Sections R317.1,R317.2,& Cast iron grills or grating,4)Extruded load-bearing brick R317.3,R502.1,R602.1,R802.1. In areas subject to vents,5)Hardware cloth of.035 wire or heavier, 6) decay and where required,the use of an naturally durable Corrosion-resistant wire mesh,with the least dimension wood and grade of lumber shall be required,including being 1/8". See exceptions for additional options. wood pressure treated in accordance with AWPA Ul, 52. WOOD IN CONTACT WITH CONCRETE& listed in Section 4,or naturally durable wood such as MASONRY: IRC Section R317.1 #2. All wood framing decay resistant redwood,black locust,black walnut or cedar. Pressure-preservative-treated wood shall bear the members that rest on concrete or masonry exterior quality mark of an approved agency in accordance to foundation walls and are less than 8"from the exposed xp ground require the use of naturally durable wood or wood R317.2. Field cut ends,notches and drilled holes of preservative-treated wood shall be treated in the field in that is preservative treated accordance with AWPA U1 for accordance to AWPA M4. All wood embedded in the species,product,preservative,and end use. concrete exposed to weather that supports permanent Preservatives shall be listed in Section 4 of AWPA U1. structures intended for human occupancy shall be 53. COLUMNS AND POSTS: IRC Section R317.1.2, approved pressure-preservative-treated wood suitable for ground contact use,except untreated wood may be used R317.1.4&R407.3. Posts,poles and columns supporting entirely below groundwater level or continuously permanent structures that are embedded Y Y p b ded in concrete m direct contact with the ground,or embedded in concrete submerged in fresh water.Approved naturally durable or exposed to the weather shall be approved pressure pressure-preservative-treated wood shall be used for those portions of wood members that form the structural preservatively treated or wood suitable for ground contact. supports of buildings,balconies,porches or similar permanent building appurtenances when they are exposed Wood columns shall be approved wood of natural decay to weather without adequate protection from a rooteave, resistance or approved pressure preservatively treated overhang or other covering that would prevent moisture or wood. Exceptions: 1)Posts or columns which are water accumulation on the surface or at joins between exposed to the weather or located in basements or cellars, members. Load bearing dimension lumber used for joists, supported by concrete piers or metal pedestals projecting beams girders,studs plates,headers rafters trusses and 1"above the floor or finished grade and 6"above exposed 'g 'p ' ceiling joists,including,end jointed lumber,pre- earth,and are separated by an approved impervious fabricated I joists,structural glue-laminated timber, moisture barrier.2)Posts or columns in enclosed crawl structural log members, wood structural panels, spaces or unexcavated areas located within the periphery fiberboard sheathing(when used structurally),hardboard 11 siding(when used structurally),particleboard, nominal thickness shall not be notched except at the ends preservative treated wood,fire-retardant-treated wood, of the members.The diameter of holes bored or cut into hardwood plywood, shall be identified by a grade mark of members shall not exceed 1/3 the depth of the member. a lumber grading or inspection agency that has been Holes shall not be closer than 2 inches to the top or approved by an accreditation body that complies with bottom of the member,or to any other hole located in the DOC PS 20. In lieu of a grade mark,a certificate of member.Where the member is also notched,the hole shall inspection issued by a lumber grading or inspection not be closer than 2 inches to the notch. Engineered agency meeting the same requirements shall be accepted. wood products.Cuts,notches and holes bored in trusses, FASTENERS: Fasteners for pressure preservative and structural composite lumber,structural glue-laminated fasteners for pressure-preservative and fire-retardant- members or 1-joists are prohibited except where permitted treated wood shall be of hot-dipped zinc-coated by the manufacturer's recommendations or where the galvanized steel,stainless steel,silicon bronze or copper. effects of such alterations are specifically considered in The coating weights for zinc-coated fasteners shall be in the design of the member by a registered design accordance with manufacturer recommendations or in professional. Floor framing shall be Fastened in accordance to ASTM A 653 type G185. See also accordance with Table R602.3(1). Posts and beams used manufacturer specifications or distributor specific to support floor framing shall be provided with positive installation instructions or recommendations.Exception: connections to ensure against uplift and lateral 1) %"diameter or larger steel bolts(where required by displacement. Floor assemblies,where the space location). 2)Fasteners other than nails and timber rivets below is used for storage or fuel-fired appliances shall shall be permitted to be mechanically deposited zinc- be protected from fire in accordance with R501.3. coated steel with coating weights in accordance with Exception: dimensional or stuctural composite wood ASTM B 695,Class 55,minimum. Sill plate need not be floor assemblies with a cross-sectional area equal to pressure treated if sill plate installed over an approved 2x10 or equivalent. moisture barrier such as 30 lb.Felt or equivalent and the sill plate is 8"or more above grade. 58. JOISTS UNDER BEARING PARTITIONS: IRC Section R502.4.Joists under parallel bearing partitions 57. FLOOR FRAMING: IRC Chapter 5,Section R502.6, shall be of adequate size to support the load. Double R502.7,R501.3. The ends of each joist,beam or girder joists,sized to adequately support the load,that are shall have not less than 1-'/z"bearing on wood or metal separated to permit the installation of piping or vents shall and not less than 3"on masonry or concrete except where be full depth solid blocked with lumber not less than 2"in supported on a 1"x 4"ribbon strip and nailed to the nominal thickness spaced not more than 4'o.c. Bearing adjacent stud or by the use of approved joist hangers.Joist partitions perpendicular to joists shall not be offset from framing from opposite sides of a beam or partition shall supporting girders,walls or partitions more than the joist lap a minimum of 3"and shall be nailed together with depth unless joists are of sufficient size to carry the three 1 Od-face nails. A wood splice with strength equal to additional load. or greater than that provided by the nailed lap is permitted. Joists flaming into the side of a wood girder 59. UNDER-FLOOR CLEARANCE/REMOVAL OF shall be supported by approved flaming anchors or on DEBRIS:IRC Section R317.1 #1,R408.5. When floor ledger strips not less than 2-inches x 2-inches.Joists shall joists or the bottom of a wood structural floor are located be supported laterally at the ends and at each intermediate within 18"or wood girders are located within 12"to the support by full depth solid blocking not less than 2" exposed ground in crawl spaces or unexcavated area nominal thickness;or by attachment to a full-depth located within the periphery of the building foundation,all header,band or rim joist,or to an adjoining stud;or shall components of the floor assembly shall be wood approved be otherwise provided with lateral support to prevent in areas subject to decay as identified in#56 of this rotation. Joists exceeding a nominal 2"x 12"shall be checklist.Included are the posts,beams or girders,joists supported laterally by solid blocking,diagonal bridging and sub-floor. The under-floor grade shall be cleaned of (wood or metal),or a continuous 1"x 3"strip nailed all vegetation and organic material. All wood forms used across the bottom of joists perpendicular to joists at for placing concrete and construction materials shall be intervals not exceeding 8'0". See Figure R502.2 for floor removed before the building is occupied or used for any framing information and Tables 502.3.1(1),R502.3.1(2), purpose. R502.3.3(1)and R502.3.3(2)for allowable spans. Structural floor members shall not be cut,bored or 60. UNDER-FLOOR ACCESS: IRC Section R408.4, notched in excess of that Section R502.8. Notches in M1305.1.4. Access shall be provided to all under-floor solid lumber joists,rafters and beams shall not exceed 1/6 spaces. Access openings through the floor shall be a of the depth of the member,shall not be longer than 1/3 of minimum of 18"x 24". Openings through a perimeter the depth of the member and shall not be located in the wall shall be at least 16"x 24". When any portion of the middle 1/3 of the span.Notches at the ends of the through wall access is below grade,an areaway not less member shall not exceed 1/4 the depth of the member. than 16"x 24"shall be provided. The bottom of the The tension side of members 4 inches or greater in areaway shall be below the threshold of the access 12 opening. Through wall access openings shall not be walls shall be framed of studs having the size required for y located under a door to the residence. Where appliances an additional story. Cripple walls with a stud height less are located under floors a rough-framed access shall be than 14"shall be sheathed on at least one side with a provided with an opening or door and an unobstructed wood structural panel that is fastened to both the top and passageway not less than 22 inches wide and large enough bottom plates in accordance with Table R602.3(1)or the to allow the removal of the largest appliance in the space. cripple walls shall be constructed of solid blocking. Access shall be unobstructed by pipes,ducts or similar Cripple walls shall be supported on continuous construction. foundations.Exception:Footings supporting cripple walls used to support interior braced wall panels as required in 61. WALL FRAMING: IRC Section R602 including Sections R403.1.2 and R602.10.7.1 shall be continuous R602.3.1,R602.3.2,R602.3.3,R 602.3.4,R602.6& for the required cripple wall and constructed beyond the R602.9. The size,height,and spacing of all other wood- cripple wall for a min. distance of 4"and a maximum framing studs shall be in accordance with Table distance of the footing thickness. The footings extension R602.3(5). Exception: 1) Utility grade studs shall not be is not required at intersections with other footings. spaced more than 16"on center, support more than a roof and ceiling, and shall not exceed 8-feet in height for 62. WALL BRACING: IRC 602.10. Mason County is exterior and load bearing walls or IO'for interior non- located in Seismic Design Category (SDC)D2. All braced bearing walls. 2)Studs greater than 10'in height that are walls and cripple wall bracing in Seismic Design in accordance with Table R602.3.1. Studs shall be Category DZ shall be constructed in accordance with IRC placed with their wide dimension perpendicular to the Tables R602.10.1.3(1) & (3) and Sections R602.10 and wall. Wood stud walls shall be capped with a double top R602.11. Standard braced wall panels require nailing plate installed to provide overlapping at comers and patterns of 6" o.c. along all panel edges. All sheathing intersections with bearing partitions. End joints in top joints must be over studs (vertically) or solid block at plates shall be offset at least 24". Joints in plates need not joints(horizontally). occur over studs.Plates shall be a nominal 2"in depth and • Braced wall panels shall begin no more than 10' 0" have a width at least equal to the width of studs. Where from each end of a braced wall line and be no more joists,trusses,or rafters are spaced more than 16"o.c. and than 20-ft apart. If the braced wall panel is not the bearing studs are spaced 24"o.c. such members shall located at the corner, a 24" panel shall be required bear within 5"of the studs beneath. Studs shall have full at the corner return panel, in addition to the bearing on a 2-inch nominal or larger plate or sill having a required BWP within 10'. As an option an 1800# width at least equal to the width of the studs. hold down device shall be installed at the end of the Drilling& notching—studs(R602.6): Notching: Any braced wall panel nearest the corner. stud in an exterior wall or bearing partition may be cut or • Spacing of interior braced wall lines shall not notched to a depth not exceeding 25%of the stud width. exceed 25' apart. An increase up to 35' apart for Studs in non-bearing partitions maybe notched to a depth one room upto 900 sq. ft., is permitted provided the not to exceed 40%of a single stud width. Drilling:Any braced wall length is adjusted in accordance with stud may be bored or drilled,provided that the diameter of IRC Table R602.10.3(4). (Ref Table R602.10.1.3) the resulting hole is not more than 60%of the stud width, • Braced wall lines may have offsets, out of plane of the edge of the hole is no closer than 5/8"to the edge of up to 4'0". the stud, and the hole is not located in the same section as • In one-story buildings, braced wall panels shall be a cut or notch. Studs located in exterior walls or bearing supported on continuous foundations at intervals partitions drilled over 40%and up to 60%shall be not exceeding 50'. In two- story buildings all doubled with no more than 2-successive doubled studs interior braced wall panels shall be supported on bored (See Figure R602.6.(1)and R602.6(2). Exception: continuous foundations. See also #45 for exceptions Use of approved stud shoes is permitted when they are to IRC R602.10.9.1. installed in accordance with the manufacturer's • Interior braced wall panels shall be fastened to both recommendations. and R602.6 for additional details. the floor and roof framing in accordance with Table Drilling and notching of top plate: When piping or R602.10.8(1)&(2). See details. ductwork is placed in or partly in an exterior wall or • Cripple walls supporting bearing walls or exterior interior load bearing wall,necessitating cutting,drilling or walls or interior braced wall panels as required in notchingof the to late b more than 50%of its width a IRC R403.1.2 shall be braced in accordance with PP Y , galvanized metal tie of not less than .054-inch thick and Tables R602.10.3(3) & (4). Cripple wall greater than 1'/2 inches wide shall be fastened across the plate at each 4' shall be designated as the first story wall for side of the opening with not less than 8-1Od nails at each purposes of designating the wall bracing requirements side having a min. length of 1'/2"each side or equivalent. (R602.10.7.1). The metal tie must extend a min. of 6"past the opening. • Where "stepped foundations" occur, See IRC (See figure R602.6.1). Foundation cripple walls(wAC R602.10.11.2 for additional requirements such as plate R602.9)shall be framed of studs not less in size than the strapping,cripple wall height limitations,etc. studding above. When exceeding 4'0"in height,such 13 • See also attached "Braced Wall Panel" and"Alternate CHIMNEYFIREBLOCKING:All spaces between Braced Wall Paner' details for typical construction chimneys and floors and ceilings through which chimneys requirements. pass shall be fireblocked with noncombustible material Adhesive attachment is not permitted. securely fastened in place. The fireblocking of spaces between chimneys and wood joists,beams,or headers 63. OPENINGS IN EXTERIOR&INTERIOR WALLS shall be self-supporting or be placed on strips of metal or (HEADERS): IRC Section R602.7,R502.5&R502.6. metal lath laid across the spaces between combustible Headers shall be provided over each opening in exterior- material and the chimney. bearing walls. Headers shall be of two pieces of nominal 2-inch framing lumber set on edge as permitted in tables 65. EXTERIOR COVERING&ATTACHMENTS:IRC R502.5(1)and R502.5(2)and nailed together in Section R701.2,703.1,R703.4,R703.5,R703.6,R703.7, accordance with Table R602.3(1)or of solid lumber of R703.8,R703.9,R703.10,R703.11. Exterior walls shall equivalent size.Exterior headers not listed in the tables provide the building with a weather-resistant exterior wall shall be designed to support the loads specified in Table envelope. The exterior wall envelope shall include R301.5. Each end of all headers shall have at least 1-1/2" flashing as described in Section R703.8. The exterior of bearing for the full width. A single flat 2"x4"member wall envelope shall be designed and constructed in a be used as header in interior or exterior nonbearing walls manner that prevents accumulation of water within the for openings up to 8-ft in width if the vertical distance to wall assembly by providing a water resistant barrier the parallel nailing surface above is not more than 24- behind the exterior veneer,as specified in item#66, inches. R703.2,and a means draining water that enters the assembly to the exterior. Protection against condensation 64. FIREBLOCKING&DRAFTSTOPPING•IRC in the exterior wall assembly shall be provided in R302.11,R302.12,R1001.12,R1003.19. accordance with section R601.3 of this code and the FIREBLOCKING shall be installed to cut off all Washington State Energy Code(WSEC)as described in concealed vertical and horizontal draft openings and shall item#95. Ensure proper fastening for type used,wood form an effective fire barrier between stories and between siding may not be less than 3/8"thick. See Table R703.4. a top story and the roof space. Fireblocking shall be Approved corrosion-resistant fasteners shall be provided provided in wood-frame construction in the following in the exterior wall envelope in such a manner as to locations: 1)In concealed spaces of stud walls and prevent entry of water into the wall cavity or penetration partitions,including furred spaces and parallel rows of of water to the building structural framing components. studs or staggered studs as follows: a)Vertically at the See#67 for information related to masonry and anchored ceiling and floor levels.b)Horizontally at intervals not stone wall coverings. exceeding 10 feet 2)2)At all interconnections between concealed vertical and horizontal spaces such as occur at 66. WEATHER RESISTANT SHEATHING PAPER and soffits,drop ceilings and cove ceilings.3)In concealed FLASHING:IRC Section R703.2 and R703.8.One layer spaces at stair stringers at the top and bottom of the run. of#15 asphalt felt,free from holes and breaks,complying Enclosed spaces under stairs shall comply with Section with ASTM D 226 for Type I felt or other approved R302.7. 4)At openings around vents,pipes and ducts, water-resistant material shall be applied over studs or cables and wires at ceiling and floor level,with an sheathing of all exterior walls. Such felt or material shall approved material to resist the free passage of flame and be applied horizontally,with the upper layer lapped over products of combustion. 5)For the fireblocking of the lower layer not less than 2". Where joints occur felt chimneys and fireplaces,see Section R1003.19. 6) shall be lapped not less than 6-inches. The felt or other Fireblocking of cornices of a two-family dwelling is approved material shall be continuous to the top of walls required at the line of dwelling unit separation. Fire and terminated at penetrations and building appendages in blocking materials shall consist of material listed in a manner to meet the requirements of the exterior Section R302.11.1. Loose-fill insulation material shall envelope as described in item#65,R703.1. Exceptions: not be used as a fireblock unless specifically tested in the Omission of the water-resistant barrier is permitted in the form and manner intended. The integrity of all fireblocks following situations: 1)in detached accessory buildings. shall be maintained. DRAFTSTOPPING:Where there is 2)Under exterior wall finish materials as permitted in usable space both above and below a concealed space of a Table R703.4.3 or 3)Under paperbacked stucco lath floor/ceiling assembly,draftstops shall be installed so that when the paper backing is an approved weather-resistive the area of the concealed space does not exceed 1000 sheathing paper. square feet.Draftstops shall divide the concealed space into approximately equal areas. Draftstopping materials FLASHING:Approved corrosion resistant flashing shall shall consist of the following materials: '/2"gypsum board, be applied shingle-fashion in such a manner to prevent 3/8"wood structural panels,or other approved materials entry of water into the building cavity or penetration of adequately supported. Draftstopping shall be installed water to the building structural framing components. Self- parallel to the floor framing members unless otherwise adhered membranes used as flashing shall comply with approved. The integrity of draftstops shall be maintained. AAMA 711.The flashing shall extend to the surface of 14 J the exterior wall finish.Approved corrosion resistant accumulation on the surface or at joints between members. flashing shall be installed at all of the following locations: Such members may include: 1)Horizontal members such 1)Exterior window and door openings. Flashing shall as girders,joists and decking. 2)Vertical members such extend to the surface of the exterior wall finish or to the as posts,poles and columns.3)Both horizontal and water-resistive barrier for subsequent drainage. 2)At the vertical members. Field applied treatment is not an intersection of chimneys or other masonry construction approved method. Treatment must be applied by with frame or stucco walls,with projecting lips on both manufacturer,see item#56 of this checklist. Where sides under stucco copings. 3)Under and at the ends of supported by attachment to an exterior wall,decks shall be masonry,wood or metal copings and sills.4) positively anchored to the primary structure and designed Continuously above all projecting wood trim.5)Where for both vertical and lateral loads as applicable. Such exterior porches,decks or stairs attach to a wall or floor attachment shall not be accomplished by the use of assembly of wood construction. 6)At wall and roof toenails or nails subject to withdrawal. Where positive intersections.7)At built-in gutters. connection to the primary building structure cannot be verified during inspection,decks shall be self-supporting. 67. STONE AND MASONRY VENEER,GENERAL: IRC Decks connected to the structure shall be provided with an Section R703.7. All stone and masonry veneer shall be approved deck ledger connected with hot-dipped installed in accordance with IRC Chapter 7,Table R703.4 galvanized or stainless steel lag screws,bolts,and washers and Figure R703.7. Such veneers installed over backing in accordance with the detail attached,"Deck Ledger of wood or cold-formed steel shall be limited to the first Attachment Details and Specifications."Girders story above grade and shall not exceed 5"in thickness. supporting deck joists shall not be supported on deck Exception:2.For detached one-or two-family dwellings ledgers or band joists. with a maximum nominal thickness of 4 inches(102 mm)of exterior masonry veneer with a backing of wood Deck lateral load connections shall be provided in frame located in Seismic Design Category D-0 and D-1, accordance with R507.2.3. Decks more than 30-inches exterior stone or masonry veneer,as specified in Table above grade,shall be provided with hold-down tension R703.7(2)above a noncombustible foundation. Wall devices,or be self-supporting. Hold-down devices shall bracing and holdowns at exterior and interior braced wall be installed in accordance with manufacturer lines shall be in accordance with section R602.10 and specifications,in not less than two(2)locations per deck. R602.11 and the additional requirements of Table As an option,where a deck is being added to an R703.7(2). Cripple walls shall not be permitted,and existing structure, 750#capacity hold down devices required interior braced wall lines shall be supported on may be installed at 4 locations,evenly distributed, continuous foundations. within 2-ft of each end of the ledger and shall fully Anchored veneer shall be supported on footings, engage the deck joist. See IRC Figure R507.2.3(2), foundations or other noncombustible support. Wall ties "Deck attachment for lateral loads." shall be corrosion resistant. 70. WOOD TRUSSES:IRC Section R502.11,R602.10.6.2, 68. SIDING/EARTH SEPARATION:IRC Section R317.1 - R802.10. Wood trusses shall be designed in accordance #5. Wood siding,sheathing and wall framing on the with approved engineering practice. Engineering data and exterior of the building used within 6"of earth shall be installation specifications,including the type of roofing to natural durable wood or wood that is preservative treated be used,shall be available on site at framing inspection. in accordance that specified in item#56 of this checklist. Roof trusses shall be supported laterally at points of Wood or other products shall conform to the most bearing by solid blocking to prevent rotation and lateral restrictive of either manufacturer specifications or code displacement. requirements. 71. RAFTERS:IRC Sections R802.3,R802.8. Rafters shall 69. DECKS&EXTERIOR STAIRS:IRC R507. All wood be framed to ridge board or to each other with a gusset in contact with the ground,embedded in concrete in direct plate as a tie. Ridge board shall be at least 1-inch contact with the ground or embedded in concrete exposed nominal thickness and not less than the cut end of the to the weather that supports permanent structures intended rafter. At all valleys or hips there shall be a valley or hip for human occupancy shall be naturally durable wood as rafter not less than 2"nominal thickness and not less in specified in item 956 or approved pressure-preservative- depth than the cut end of the rafter. Hip and valley rafters treated wood suitable for ground contact use. In addition shall be supported at the ridge by a brace to a bearing naturally durable wood or pressure preservative treated partition or be designed to carry and distribute the specific wood shall be used in those portions of wood members load at that point. Where the roof pitch is less than three that form the structural supports of buildings,balconies, units in 12 unit horizontal(25-percent slope),structural porches or similar permanent building appurtenances members that support rafters and ceiling joists,such as when those members are exposed to the weather without ridge beams,hips and valleys,shall be designed as beams. adequate protection from a roof,eave,overhang or other Ceiling joists and rafters shall be nailed to each other in covering that would prevent moisture or water accordance with Tables R802.5.1(9),and the rafter shall be nailed to the top wall plate in accordance with Table 15 R602.3(1). Ceiling joists shall be continuous or securely R405&R405.1,and protect the parcel(and adjacent joined in accordance with Table R802.5.1(9)where they parcels)from erosion. IRC Section R903.4. Unless meet over interior partitions and nailed to adjacent rafters roofs are sloped to drain over roof edges,roof drains shall to provide a continuous tie across the building when such be installed at each low point of the roof. Where required joists are parallel to the rafters. Where ceiling joists are for roof drainage,scuppers shall be placed level with the not connected to the rafters at the top wall plate,joists roof surface in a wall or parapet. Overflow drains shall connected higher in the attic shall be installed as rafter discharge to an approved location and shall not be ties,or rafter ties shall be installed to provide a continuous connected to roof drain lines. tie. Where ceiling joists are not parallel to the rafters, rafter ties shall be installed. Rafter ties shall be min. R905.2.8.5 A drip edge shall be provided at eaves and 2"x4",installed in accordance with connection gables of shingle roofs.Adjacent pieces of drip edge requirements in Table R802.5.1(9),or connections of shall be overlapped a minimum of 2 inches.Drip edges equivalent capacities shall be provided,the ridge formed shall extend a minimum of 0.25 inch below the roof by these rafters shall be supported by a wall or girder sheathing and extend up the roof deck a minimum of 2 designed in accordance with engineering practice. Collar inches.Drip edges shall be mechanically fastened to ties or ridge straps to resist wind uplift shall be connected the roof deck at a maximum of 12 inches on center in the upper third of the attic space in accordance with with fasteners as specifi ed in Section R905.2.5. Table R602.3.1. Collar ties shall be minimum of 1"x4" Underlayment shall be installed over the drip edge spaced not more than 4-ft o.c.Rafters and ceiling joists along eaves and under the drip edge on gables.Unless having a depth-to-thickness ratio exceeding 5 to 1 based specifi ed differently by the shingle manufacturer, on nominal dimensions shall be provided with lateral shingles are permitted to be flush with the drip edge. support at points of bearing to prevent rotation. 75. ROOF MATERIALS:IRC Section R904&R905. Roof 72. RAFTER OPENINGS:IRC Section R802.9. Openings covering materials shall be delivered in packages bearing in roof and ceiling framing shall be framed with header the manufacturer's identifying marks and approved testing and trimmer joists. When the header joist does not exceed agency labels when required Roof coverings shall be 4',the header joist may be a single member the same size applied and installed in accordance with Section R905 and as the ceiling joist or rafter. Single trimmer joists maybe the manufacturer's installation instructions. Asphalt used to carry a single header joist that is located within 3' shingles classified using ASTM D 3161 are acceptable for of the trimmer joist bearing. When the header joist span use in Mason County and other areas where wind zones exceeds 4',the trimmer joists and the header joist shall be less than 110 mph. doubled and sufficient cross section to support the ceiling joists or rafter framing into the header. Approved hangers 76. ATTIC VENTILATION:IRC Section R806. Enclosed shall be used for the header joist to trimmer joist attics and rafter spaces formed where ceilings are applied connections when the header joist span exceeds 6-ft. Tail directly to the underside of roof rafters shall have cross joists over 12-ft long shall be supported at the header by ventilation for each separate space by ventilating openings framing anchors or on ledger strips not less than 2"x2." protected against the entrance of rain and snow. Ventilating openings shall be provided with corrosion- 73. CEILING JOISTS LATERAL SUPPORT resistant wire mesh,with 1/16"minimum and BRIDGING: IRC Section R802.8,R802.8.1. Rafters maximum openings.The total net free ventilating area and ceiling joists having a depth-to-thickness ratio shall not be less than 1 tol50 of the area of the space exceeding 5 to 1 based upon nominal dimensions shall be ventilated,except that the total area is permitted to be provided with lateral support at points of bearing to reduced to 1 to 300,provided at least 50%and not more prevent rotation. Rafters and ceiling joists having a than 80%of the required ventilating area is provided by depth-to-thickness ratio exceeding 6 to 1 based upon ventilators located in the upper portion of the space to be nominal dimensions shall be supported laterally by solid ventilated at least 3' above eave or cornice vents with the blocking,diagonal bridging(wood or metal)or balance of the required ventilation provided by eave or continuous 1"x 3"wood strip nailed across the rafter or cornice vents. As an alternative,the net free cross- ceiling joists at intervals not exceeding 8'. ventilation area may be reduced to 1 to 300 when a Class I or H vapor barrier is installed on the warm-in-winter side 74. ROOF DRAINAGE:UPC 1101.11.1. Roof areas of a of the ceiling. Where eave or cornice vents are installed, building shall be drained by roof drains or gutters. insulation shall not block the free flow of air. A minimum Gutters and downspouts to be installed on structures to of a 1"space shall be provided between the insulation and conform with the provisions of Mason County Code,title the roof sheathing at the location of the vent. Unvented 14 chapter 14.48(Stormwater Management),and IRC attic assemblies may be permitted provided all the R401.3. If a stormwater plan is not required,or an conditions of Washington State Amendment R806.4 are alternative method is proposed,measures must be put in met AND such installation allows warranty to be place to protect the structure from excessive splash,divert maintained by the roofing manufacturer. the water away from the foundation per IRC R441.3, 16 77. CRUMMY HEIGHT/CHQINEY CRICKETS: IRC, R1003.20 and Table R1003.20. Factory-built chimneys R1003.9,R1003.20 R1005,R905.2.8.3. Masonry shall be listed and labeled and shall be installed and chimneys shall extend at least 2-ft higher than any portion terminated in accordance with the manufacturer's of a building within 10-ft,but shall not be less than 3-ft. installation instructions. A cricket or saddle shall be above the highest point where the chimney passes through installed on the ridge side of any chimney or penetration the roof. Masonry chimneys shall be provided with of roof more than 30-inches wide as measured crickets when the dimension parallel to the ridgeline is perpendicular to the slope.Cricket or saddle coverings greater than 30"and does not intersect the ridgeline. The shall be sheet metal or of the same material as the roof cricket and chimney shall be flashed and counter flashed covering. and shall be constructed in compliance with Figure GENERAL 78. PREMISE IDENTIFICATION:IRC Section R319,IFC EPA.Exception: Antique wood cook stoves and heaters Section 505,and Mason County Code Title 14.28. (see manufactured prior to 1940. also checklist item 110). Approved numbers or addresses shall be a minimum of 4"high with a stroke of/s"and 81. SKYLIGHTS:IRC Section R308.6.2. The following shall be provided for all new buildings in such a position types of glazing may be used: 1)Laminated glass with a as to be plainly visible and legible from the street or road minimum.015"polyvinyl butyl interlayer for glass panes fronting the property and shall be a minimum of 4"high 16 sq.ft.or less in area located such that the highest point with a minimum width of/Z".Approved numbers or of the glass is not more than 12'above a walking surface addresses shall be placed on all buildings,at the beginning or other accessible area;for higher or larger sizes,the of long driveways when the address is not clearly visible minimum interlayer thickness shall be.030". 2)Fully from the access road,or in any other areas deemed tempered glass. 3)Heat-strengthened glass. 4)Wired necessary by the local fire district or Fire Marshal. They glass. 5)Approved rigid plastics. Installed skylights shall shall be placed in such a position as to be plainly visible comply with Washington State Energy Code and legible from the street or road fronting the property. requirements. Said numbers shall contrast with their background. See .address posting and private road signage requirement 82. INTERIOR FINISHES: IRC Sections R302.9,R316 information attached. and R702.5 Wood veneer paneling and hardboard paneling shall be placed on wood or cold-formed steel 79. APPROVED PLANS:IRC Sections R106.3.1,R106.4. framing spaced not more than 16-inches o.c. Wood When the building official issues a permit,the veneer and hardboard paneling less than nominal construction documents shall be approved in writing or by thickness shall have not less than 3/8-inch gypsum board stamp.One set of the construction documents so reviewed backer. Wood veneer paneling not less than nominal shall be retained by the building official. The other set thickness shall conform to ANSI/HPVA HP.1. Hardboard shall be returned to the applicant,shall be kept at the site paneling shall conform to ANSI/AHA A135.5. All of work and shall be open to inspection by the building structural panel components within the conditioned space official or the duly authorized representative. The work such as plywood,particleboard,wafer board and oriented shall be installed in accordance with the approved strand board shall be identified as"EXPOSURE 1," construction documents,and any changes made during "EXTERIOR"or"HUD-APPROVED." When using construction that are not in compliance with the approved foam plastic insulation the interior of the building shall construction documents shall be resubmitted for approval be separated by a thermal barrier of at least''/Z"gypsum as an amended set of construction documents. wallboard.The''/z"gypsum wallboard is not required when the foam plastic in a roof assembly or under a roof 80. HEATING: IRC Section R303.9&Washington State covering is installed in accordance with the Amendment to R303.9.2 andR303.9.2. Every dwelling manufacturer's installation instructions and is separated unit shall be provided with heating facilities capable of from the interior of the building by tongue-and-groove maintaining a minimum room temperature of 680 F at a wood planks not less than 15/32 inch(11.9 mm)thick point 3'above the floor and 2'from exterior walls in all bonded with exterior glue and identified as Exposure 1, habitable rooms at the design temperature. The with edges supported by blocking or tongue-and-groove installation of portable heaters shall not be used to achieve joints.The smoke-developed index for roof applications compliance with this section. Primary heating sources in shall be maintained. all new and substantially remodeled buildings shall not be dependent upon wood stoves. No used solid fuel-burning 83. GYPSUM WALLBOARD&GYPSUM device shall be installed in new or existing buildings WALLBOARD FASTENING:IRC Section R702.3, unless such device is U.S.EPA certified or a pellet stove and Table R702.3.5..All wood fuming supporting gypsum either certified or exempt from certification by the U.S. board shall not be less than 2-inches nominal thickness in 17 the least dimension except that furring strips,not less than grade plane,except that a basement shall be considered as 1"x 2"may be used over solid backing or framing spaced a story above grade plane where the finished surface of not more than 24-inches o.c. When gypsum is used as a the floor above the basement meets any of the following: base or backer for adhesive application of ceramic tile or 1)Is more than 6' above grade plane.2)Is more than 6' other required nonabsorbent material shall conform with above the finished ground level for more than 50%of the ASTM 1396,or C1278. Use of water resistant gypsum total building perimeter.3)Is more than 12' above the backing board shall be permitted to be used on ceilings finished ground level at any point. where framing spacing does not exceed 12"o.c.for 85. HEIGHT OF BUILDING/GRADE PLANE: IRC thick or 16"o.c.for 5/8"thick gypsum board. Water Section R202. The vertical distance from grade plane to resistant gypsum wallboard shall not be installed over a the average height of the highest roof surface. The grade class I or II vapor retarder,in a shower or tub plane:A reference plane representing the average of the compartment. Cut or exposed edges,including those at finished ground level adjoining the building at all exterior wall intersections,shall be sealed as recommended by the walls. Where the finished ground level slopes away from manufacturer. Limitations:Water-resistant gypsum the exterior walls,the reference plane shall be established backing board shall not be used where there will be direct by the lowest points within the area between the building exposure to water,or in areas subject to continous high and the lot line or,where the lot line is more than 6' from humidity. Screws for attaching gypsum board to wood the building between the structure and a point 6' from the framing shall be type W or Type S in accordance with building.. ASTM C 1002 and shall penetrate the wood not less than 5/8". Footnote e, Table R702.3.5:Type X gypsum 86. RETAINING WALLS:IRC Section R105.2,R404.4. wallboard for garage ceilings beneath habitable rooms Retaining walls that are not laterally supported at the top shall be installed perpendicular to the ceiling framing and and that retain in excess of 24-inches of unbalanced shall be fastened at 6"o.c.by minimum 1-7/8"6d coated backfill shall be designed to ensure stability against nails or equivalent drywall screws. overturning,sliding,excessive foundation pressure and • 3/8"minimum from edge and ends for nails or water uplift. Retaining walls shall be designed for a safety screws. factor of 1.5 against lateral sliding and overturning. • Fastening(nails): 7"o.c.max.ceiling,8"walls. Retaining walls that are not over 4' in height measured • Fastening(screws): 12"o.c.ceiling, 16"o.c.walls from the bottom of the footing to the top of the wall not when wall framing is 16"o.c., 12"when wall framing supporting a surcharge is exempt from permits. is 24"o.c. 84. STORY/STORY ABOVE GRADE: IRC Section R202. Any story having it's finished floor surface entirely above ENERGY CODENENTILATION (IECC/WSEC & IRC CHAPTER 15 MASON COUNTY CLIMAT ZONE: 4C (MARINE) 87. FOUNDATION INSULATION: IECC/WSEC R303, 88. UNDER-FLOOR INSULATION: . IECC/WSEC R402.2.8,R402.2.9,Table R402.1.1. Slab-on-grade R303,R402.2.7. Table R402.1.1 &Table R402.4.1.1. insulation,installed inside the foundation wall,shall Floor insulation shall be installed in a permanent manner extend downward from the top of the slab for a minimum in substantial contact with the surface being insulated distance of 24"or downward and then horizontally and shall include areas over unconditioned spaces,such beneath the slab for a minimum combined distance of as vented crawl spaces,unheated basements and garages. 24". Insulation installed outside the foundation shall The nominal R-value shall not be less than that approved extend downward to a minimum of 24"or to the for floors over unconditioned spaces on the approved frostline. Above grade insulation shall be protected. For building plan. Unless approved for other than monolithic slabs,the insulation shall extend downward prescriptive approach the typical R-Value for floors shall from the top of the slab to the bottom of the footing. be R-30. Insulation shall be installed in substantial Unless approved for other than prescriptive approach the contact with the sub-floor and supported not less typical R-Value for slab insulation shall be R-10. than 24"o.c. Foundation vents shall be placed so that Insulation used for this application shall be rated for such the top of the vent is below the lower surface of the floor use. The entire area of a radiant slab shall be thermally insulation isolated from the soil with min.R-10 insulation approved bt the listing for it's intended use. 89. WALL INSULATION: IECC/WSEC R303,R402.2.8 &Table R402.1.1,Table R402.4.1.1. Above grade exterior walls shall be insulated to not less than the 18 nominal R-value specified on the approved building 92. ACCESS HATCHES AND DOORS:R402.2.4. plans. Unless approved for other than prescriptive Access doors from conditioned to unconditioned spaces approach the typical R-Value for wall insulation shall be (attics and crawl spaces)shall be weather-stripped and R-21. All exterior wall insulation shall fill the entire insulated to a level equivalent to the insulation on the framed cavity. Faced batts shall be face-stapled to avoid surrounding surfaces. A wood framed or equivalent compression(not inset-stapled). baffle or retainer must be provided when loose fill insulation is installed the purpose of which is to prevent 90. ATTIC INSULATION: IRC R806,IECC/WSEC insulation from spilling into the living space when the R303.1, R402.2.1,R402.2.1.1 &Table R402.4.1.L. attic access opened and/or to provide a permanent means Ceilings below vented attics shall be insulated to not less of maintaining the installed R-value of loose-fill than the nominal R-value specified on the approved insulation. building plans. Unless approved for other than prescriptive approach the typical R-Value for attic 93. DUCT INSULATION/DUCT LEAKAGE% insulation shall be R-49 installed in a standard manner or IECC/WSEC R401.3,R403.2., R403.2.3.IRC chapter R-38 where the full R-Value extends to the exterior of M16,&IMC Chapter 6.Ducts shall be insulated to R-8, the top plate. The thickness of roof/ceiling insulation sealed in accordance with R403.2.2,and leak tested. that is blown in shall be identified by inches of thickness, Ducts or building cavities used for air distribution that density and R-Value markers shall be installed at least are located entirely within the conditioned space do not one for every 300 sq.ft.through the attic/ceiling.The require sealing. markers shall be affixed to the trusses or joists and marked with the minimum initial installed thickness and DUCT TIGHTNESS TESTING:The duct system shall the minimum settle thickness with number at least 1"in be leak tested in accordance with WSU RS-33,using the height. Each marker shall face the attic access. Loose- maximum duct leakage rates specified. Duct tightness fill insulation may be used in attic spaces where the slope shall be verified in accordance to IECC/WSEC R403.2.2 of the ceiling is not more than 3' in 12 and there is at using the post-construction test or rough-in test methods. least 30"attic space. Eave vents shall be provided with Duct leakage tests are not required when ducts and air baffles to deflect incoming air above the surface of the handlers located entirely within the building thermal insulation.The baffles shall be rigid material,resistant to envelope. Leak test shall be required when ducts are wind driven moisture. The vertical joints shall be located in the crawl space.Duct leakage test results shall staggered when two or more layers of rigid board be posted on the permanent certificate posted in insulation are used. The minimum ventilation accordance with R401.3. See also item#98 requirements in IRC Section R806.3 and R806.4 shall be maintained. See also item#76. Baffles shall be 94. PIPE INSULATION:R403.4.2. All hot and cold water installed so that 1"is maintained between the roof pipes installed outside the conditioned space shall be sheathing and the baffle. The baffles shall be installed insulated to a minimum of R-4. from the top of the outside wall,extending inward,to a point 6"vertically above the height of non-compressed 95. VAPOR RETARDER/MOISTURE CONTROL: IRC insulation,and 12"vertically above loose fill insulation. R702.7 Class I,H,or III,vapor retarders shall be installed on the interior side of the framed walls. 91. VAULTED CEILING INSULATION: R402.2 Tables Sheet polyethylene,unperforated aluminum foil, R402.1.1 and R402.4.1.1.Vaulted ceiling insulation shall kraft-faced fiberglass batts,latex or enamel paits in be installed where an enclosed joist or rafter space is stalled in accordance with manufacturer formed by ceilings applied directly to the underside of specifications are deemed to meet class I,H,or M. roof joists or rafters. This requirement applies where Kraft-faced batts shall be face stapled over studs. both the distance between the top of the ceiling and the underside of the roof sheathing is less than 12-inches and 96. GROUND COVER IN CRAWL SPACE: IRC there is a minimum 1-inch vented air space above the R406.3.2,1BCC/WSEC Table R402.4.1.1. A 6-mil thick insulation. Where a single rafter or joist-vaulted ceiling polyethylene film ground cover shall be laid over the is 13-inches or more the space shall be insulated as a ground within crawl spaces. The ground cover shall be ceiling,typically R-38,described in item#90 of this lapped 6"minimum at the joints and sealed with checklist. Vaulted ceilings shall be insulated to not less adhesive and shall extend to the foundation wall and be than the nominal R-value specified on the approved bonded to form a seal. The ground cover may be omitted building plans. Unless approved for other than in crawl spaces if the crawl space has a concrete slab prescriptive approach the typical R-Value for non- with a minimum thickness of 3-1/2". trussed,vaulted ceiling insulation shall be R-38,see also #90. Faced batts shall be face-stapled(not inset- 97. WINDOWS&EXTERIOR DOORS: R402.3., stapled). R402.1.1. U-Factors for glazing and doors(fenestration) shall be not more than the U-factor specified on the approved building plans. Unless approved for other than prescriptive approach the maximum typical U-factor for 19 fenestration shall be dependant upon the compliance MINIMUM SOURCE SPECIFIC VENTILATION method. Typically the max.U-factor for CAPACITY REQUIREMENTS prescriptively approved structures is U-30. Any TABLE M1507.4 change in windows or doors must be approved by the Building Department before installation. NFRC AREA TO BE compliance stickers shall remain on the windows until EXHAUSTED EXHAUST RATES the insulation inspection has been approved by the Kitchens or where Building Department. Doors with a glazed area more cooking appliances are 100 cfm intermittent than 50%,such as half-lite and full-lite doors,shall be located pp or 25 cfm continuous considered windows for the purposes of energy code Bathrooms and other 50 cf n intermittent or requirements. Up to 15 sq.ft of glazed fenestration [wet rooms 1 20 cfm continuous. per dwelling unit shall be exempt for U-factor and NOTE: All fans shall provide the required flow when SHGC requirements in R402.1. The exception does tested at.25 water gauge. Ventilation ducts shall not apply to the u-factor compliance approach. terminate outside the building Ventilation ducts located 98. AIR LEAKAGE INCLUDING RECESSED in unconditioned spaces shall be insulated to a minimum LIGHTING FIXTURES:IECC/WSEC R401.3, of R4. R402.4. The building or dwelling shall be tested and 100. WHOLE HOUSE VENTILATION SYSTEM verified as having an air leakage rate not exceeding 5 air changes per hour. Testing shall be conducted Continuous or Intermittent):1RC M1507.3.Each with a blower door in accordance with IECC/WSEC dwelling unit or guest room shall be equipped with a R402.4.1.2. A written report of the results of the test whole house ventilation system that shall be capable of shall be signed by the party conducting the test and providing the volume of outdoor air designed in provided to the building inspector during the final accordance with IRC M1507.3.1 through M1507.3.7. inspection. Provisions to limit air leakage shall be Compliance may also be domnstrated through the International Mechanical Code. Whole house provided to those locations separating outdoor ambient conditions from interior spaces that are heated or ventilation systems shall be have a flow rating of.25 mechanically cold. Seals& Weather-snipping: a) inches water gauge and a Bone rating of 1.0 or less. The Exterior joints around windows and door frames, whole house fan shall be controlled by a 24-hour clock openings between walls and foundation,between walls timer with the capability of continuous operation,manual and roof and wall panels;openings at penetrations of and automatic control. At the time of final inspection, the automatic control timer shall be set to operate the utility services through walls,floors,and roofs;and at all other openings in the building envelope,and between whole house fan for at least 8 hours a day. The clock timer shall be readily accessible and be capable of dwelling units shall be sealed,caulked,gasketed or weather-stripped to limit air leakage. Other exterior operating the whole house ventilation fan without joints and seams and seams shall be similarly treated or energizing other energy consuming appliances. A label taped,or covered with moisture vapor permeable house shall be affixed to the controls that reads"Whole House wrap. b) All exterior doors or doors serving as access to Ventilation(see operating instructions)." an enclosed unheated area shall be weather-stripped to limit air leakage around the perimeter when in a closed position. c)Site built windows are exempt from testing lO1.VENTILATION DUCTS: IRC M1507.3,R303.5, All but shall be made tight fitting. Fixed lites shall have ventilation ducts shall terminate outside the building and glass retained by stops with sealant or caulking all be equipped with a back draft damper. All exhaust ducts around. in unconditioned spaces shall be insulated to a minimum RECESSED LIGHTING FIXTURES shall be type IC rated,and of R-4. All supply ducts located in the conditioned space ins and certified under ASTM283 to have no more than shall be insulated to R-4. Fan ducts shall be equipped 2.0 cfin air movement from the conditioned space to the with back draft dampers. Terminal elements shall have ceiling cavity. The lighting fixture shall be tested at 75 at least the equivalent net free area of the ductwork. Pascal's or 1.57-lbs/sq.ft.pressure difference and have a Terminal elements for exhaust fan duct systems shall be label attached,showing with this test method. Recessed screened or otherwise protected from entry by leaves or lighting fixtures shall be installed with a gasket or caulk other material. between the fixture and ceiling to prevent air leakage. Exhaust Ducts shall be sized in accordance to 1MC, 99. EXHAUST FANS:IRC R303.4, R303.5,M1507.4: Table 403.8.4.2 and shall not be less than 4-inch Source specific exhaust ventilation is required in each diameter. kitchen,bathroom,water closet,laundry room,indoor swimming pool,spa,and other rooms where excess water F8° Min. Max. Min. Max. vapor or cooking odor is produced as follows: �FM Flex Length Smooth Length Elbows' 25 Diameter in Feet Diameter Feet 20 WG 5.7.At the time of final inspection,the automatic 50 4-inch 25 4-inch 70 3 control shall be set to operate the whole-house fan 50 5-inch 90 5-inch 100 3 according to the schedule used to calculate the whole- 50 6-inch No 6-inch No 3 house fan sizing. Limit Limit 5.8.A label shall be affixed to the control that reads 80 1 4-inch NA 4-inch 20 3 "Whole House Ventilation(see operating instructions)." 80 5-inch 15 5-inch 100 3 No Operating Instructions and a whole-house ventilation operation 80 6-inch 90 6-inch Limit 3 description shall be provided by installers. The whole-house 100 5-inch NA 5-inch 50 3 ventilation system shall provide outdoor air to each habitable 100 6-inch 45 6-inch °it 3 space at a continuous rate not less than that specified in Table I Lim1. For each additional elbow subtract 10-8 from length M1507.3.3(1). The system may operate intermittently when Flex ducts of this diameter are not permitted with fans of the system has controls that that enable operation for not less this size. than 25/o of each 4-hour segment and the ventilation rate prescribed in Table M1507.3.3(1)is multiplied by the factor a. MECHANICAL VENTILATION SYSTEM: IRC determined in accordance with Table M1507.3.3(2). M1507. Each dwelling unit and guest room shall be Outdoor air shall be distributed to each habitable room by provided with a whole house mechanical ventilation means such as individual inlets,separate duct systems,or systems designed in accordance with M1507.3.1 through integrated with a forced air system. Where outdoor air M1507.3.7 or in accordance with specifications allowed supplies are separated from exhaust points by doors, in the International Mechanical Code. provisions shall be made to ensure air flow by installation of Controls and Operation(M1507.3.2): distribution ducts,undercutting doors,installation of grilles, transoms or other similar means. Doors shall be undercut to a minimum%"above of the surface of the finish floor. 1.Location of controls.Controls for all ventilation systems shall be readily accessible by the occupant. Table M1507.3.3(1) 2.Instructions.Operating instructions for whole-house Continuous Whole-house ventilation system air ventilation systems shall be provided to the occupant by flow rates Table M1507.3.3(1) the installer of the system. 3.Local exhaust systems.Local exhaust systems shall Dwelling Number of bedrooms be controlled by manual switches,dehumidistats,timers, Unit floor 0-1 1 2-3 4-5 or other approved means. area(sf) Airflow in CFM 4.Continuous whole-house ventilation systems. <1500 30 45 60 Continuous whole-house ventilation systems shall 1500-3000 45 60 75 operate continuously.Exhaust fans,forced-air system 3001-450H-75 60 75 90 fans,or supply fans shall be equipped with"fan on"as override controls.Controls shall be capable of operating 4501-600 90 105 the ventilation system without energizing other energy- Intermittent mechanical fan shall operate not less than one hour consuming appliances.A label shall be affixed to the every 4-hours. Where the system has controls that enable operation controls that reads"Whole House Ventilation(see for not less than 25%every four hours the ventilation rate shall be operating instructions)." multiplied by the factor in Table M1507.3.3 2 Table M1507.3.3(2) 5. Intermittent whole-house ventilation systems. Continuous Whole-house ventilation rate actors Intermittent whole-house ventilation systems shall comply with Run-time%in each 4-hr the following: period 25% 33% 1 50% 66% 75% 5.1.They shall be capable of operating intermittently Factor 4 3 1 2 1.5 1 1.3 and continuously. 5.2.They shall have controls capable of operating the exhaust fans,forced-air system fans,or supply fans 103.WHOLE-HOUSE VENTILATION SYSTEM USING without energizing other energy-consuming appliances. EXHAUST FANS: IRC M1507.3.4. 5.3.The ventilation rate shall be adjusted according to the exception in Section 403.8.5.1. Exhaust fans providing whole-house ventilation shall 5.4.The system shall be designed so that it can operate have a flow rating at 0.25 water guage as specified in automatically based on the type of control timer accordance with Table 1507.3.3(1).The whole-house installed. fan shall sone rating of 1.0 or less measured at 0.1" 5.5.The intermittent mechanical ventilation system shall w.g. Individual outdoor air inlets shall be provided in operate at least one hour out of every four. each habitable room and have a)controllable and secure 5.6.The system shall have a manual control and opening•b)be sleeved or otherwise designed so as not to automatic control,such as a 24-hour clock timer. compromise the thermal properties of the wall or window 21 in which they are placed.c)Provide not less than 4 sq. capacity to provide outdoor air specified in Table inches of net free area of opening for each habitable M1507.3.3(l)at.40"w.g.per HVI 916. The outdoor air space. Any inlet or combination of inlets which provide must be filtered before it is delivered to habitable rooms. 10 cfin at 10 Pascals as determined by the Home Ducts shall be installed in accordance to M1507.3.6.2, Ventilating Institute Air Flow Test Standard(HVI 901 dampers in accordance to M1507.3.6.3. 11/96)are deemed equivalent to 4 sq.in.net free area. Outdoor air inlets(window or wall ports)separated from 106. Whole House Ventilation using Heat Recovery fan locations by doors,adequate airflow shall be ensured Ventilation:M1507.3.7. Heat Recovery ventilation by undercutting doors or installing grilles or transoms. systems shall be sized and installed in accordance to Doors and operable lites in windows are not deemed to manufacturer's instructions and in accordance to meet the outdoor air supply intake requirements. M1507.3.3(l). Minimum flow rating shall not be less Outdoor air inlets shall be screened or otherwise than that specified in Table M1507.3.3(l). protected from entry by leaves or other material. Outdoor air inlets shall be located so as not to take air 109. LIGHTING:IECC/WSEC R404&Chapter 2.A from the following areas: a)Closer than 10'from an appliance vent outlet,unless such vent outlet is 3'above minimum of 75%of permanently installed lamps in lighting fixtures shall be high-efficacy lamps. Fuel the outdoor air inlet.b) Where it will pick-up objectionable odors,fumes or other flammable vapors.c) gas lighting systems shall not have continuously A boring pilot lights. High efficiency lamps are defined in hazardous or unsanitary location.d)A room or space having and fuel-burning appliances therein. e)closer Chapter 2 . they include compact fluorescent lamps,T-8 than 10' from any vent opening of a plumbing drainage or smaller diameter lenear fluorescent lamps or lamps with an efficacy 1)601umens per watt for lamps over 40 system unless the vent is located at least 3'above the air inlet.fj Attic,crawl spaces,or garages. watts;2)SO lumens per watt for lamps over 15 watts to 40 watts;3)40 lumens per watt for lamps 15 watts or 104. INTERMITTENT WHOLE HOUSE less. VENTILATION INTEGRATED WITH A FORCED- AIR SYSTEM. (Make-up air through the furnace): IRC M1507.5. Integrated ventilation systems shall FIRE APPARATUS ACCESS ROADS provide outdoor air at the rate calculated using Table M1507.3.3.The ventilation system shall distribute outdoor air to each habitable room through the forced-air 110. FIRE ACCESS: Mason County Title 14,Chapter system ducts. The outside air inlet duct shall terminate 14.17 Standards for Fire Apparatus Access Roads. All outside of the building and be connected to the return air roads,driveways,or other means of access serving plenum of the forced air system at a point within 4-ft structures,facilities,buildings or portions of buildings upstream of the air handler. The outdoor inlet shall be hereafter constructed,altered,moved into,or within,the connected upstream of the forced air system blower and jurisdiction and developed under permit from Mason shall not be connected directly into the furnace cabinet. County shall meet the requirements of the fire apparatus The system shall be provided with a motorized damper access road standards.(see detail pages contained within connected to the automatic ventilation control as this checklist). specified in M1507.3.2. The required flow rate shall be verified by field-testing with a flow hood or a flow measuring station. A copy of the testing report shall be provided to the inspector during inspection. The system shall be controlled by a 24-hour clock timer with the capability of continuous operation,manual and automatic. This control will control the forced air system blower and the automatic damper. The 24-hour timer shall be readily accessible and capable of operating the whole house ventilation system without energizing other energy-consuming appliances. At the time of inspection the automatic control timer shall be set to operate at least 8-hours a day. A label shall be affixed to the control that reads,"Whole House Ventilation(see operating instructions)" 105.Intermittent Whole House Ventilation Using a Supply Fan. IRC M1507.3.6. Supply fan ventilation systems shall distribute outdoor air to each habitable room through the forced-air system ducts or through dedicated ducts to each habitable room. Supply fans shall have the 22 MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT Permit Processing/Inspections/Addressing Mason County Bidg. III 426 W.Cedar P.O.Box 186.Shelton,WA 98584 (360) 427-9670 Belfair(360)•275-4467 Elma (360) 482-5269 Slabs-on-Ground with Nut and 1/7 x 3"x 3"Washer Turned-Down Footings DO NOT COUNTERSINK NUT&WASHER Pressure treated plate or decay resistant heartwood of redwood , black locust or cedars. See notes below. r ° 3 %"concrete slab TGrade %"x 10"anchor bolt at 1{ 67 o.c. 2 bolts-minimum per Level f plate section located not o o ���� more than 12"or-less Min. m " o ' �,r �'��\ than 7 bolt diameters from the ends. 12" a , \ Extend 7" into concrete. below grade ° O � o 0 Slabs-on-ground with tumed down footings I shall have a minimum of one(1)#4 at the top and bottom of the footing. Footing Width: EXCEPTION: For slabs-on-ground cast Footing Drain 12"single story monolithically with a footing, 15"two story one (1)#5 bar or two (2)#4 bars shall be located in the middle 113 of the footing depth. (R403.1.3.2) Protection Against Decay (IRC R31.1) Approved pressure treated material or decay-resistant heartwood of redwood, black locust, or cedars are required where: 1. Wood framing members rest on concrete or masonry at exterior foundation walls and are less than 8"from the exposed ground. .2. Sills and sleepers are located on a concrete or masonry slab that is in direct contact with the ground unless separated from such slab by an impervious moisture barrier. R-10 slab insulation shall be installed to create a thermal break between heated and unheated.spaces. The insulation shall extend downward from the top of the slab to the bottom of the footing. °pP MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT r s = Mason County Bldg. III, 426 West Cedar Street PO Box 186, Shelton, WA 98584 www.co.mason.wa.us (360)427-9670 Belfair(360)275-4467 Elma (360)482-5269 Concrete Foundation 4'6" Wall Height (Maximum) 1/2" x 10" anchor bolt 67 o.c., 2 bolts per plate, within 12"of the end of every Sill plate plate with 3"x 3"x 1/4"plate (R317 1) washers @ all braced wall lines. Bolts shall extend t at least 7" into concrete. (1)#4 horizontal bar in stem wall within 12"of the top of the wall. Max.wall 6" min. • (R404.14) ht.4'6" I - j #4 vertical bar 48" o.c. standard hook when a Wall thickness cold joint exists between the wall and footing. Minimum 6° 4'0" l maximum r ` ! Foundation backfill —f I — j drain j (R405) - i T Reinforcement minimum-- (1)#4 horizontal 3°from bottom of footing. '- bar in footing I Height is r « W „ measured from top of footing, or Story 1 2 3 top of slab to top of Thickness ( " T " ) 6" 6" 8 '/2" wall. Width ( " W " ) 12" 15" 23" Backfill shall not be placed against the wall until the wall has sufficient strength and has been anchored to the foundation at all points a minimum of 4 inches where masonry veneer is used and a minimum of 6 inches elsewhere. (R404.1.7). For purposes of determining wall height the concrete wall is measured from the top of the footing to the top of the concrete wall. In basements the wall height is measured from the top of the slab to the top of the concrete wall. Surface drainage shall be diverted to an approved point of collection so as to not create a hazard. Lots shall be graded so as to drain surface water away from foundation walls. The grade away from foundation walls shall fall a minimum of 6 in. within the first 10 ft Exception:Where lot lines, walls, slopes or other physical barriers prohibit 6 in. of fall within 10 ft. drains or swales shall be provided to ensure drainage away from the structure. (R401.3) ;9oN= cot? MASON COUNTY ate, DEPARTMENT OF COMMUNITY DEVELOPMENT Mason County Bldg. III, 426 West Cedar Street PO Box 186, Shelton, WA 98584 www_c o_masnn_wa.us (3601427-9670 Belfair(360)275-4467 Elma (3601482-5269 Concrete Foundation 8'0" Wall Height (Maximum) With maximum 4 feet of unbalanced backfill** %" x 10" anchor bolt 67 o.c., 2 bolts per plate, within 12"of the end of every Sill plate plate with 3"x 3"x 1/4" plate (R319.1) washers @-all braced wall lines. Bolts shall extend at least 7" into concrete. (1)#4 horizontal bar in stem wall W 12"of the top of the wall. Max.wall " (R404.1.4) ht 8'0" 6 min. I .. Plain Concrete fcolvdej:c ical bar 48" o.c. standard hook when a Wall Thickness I int exists between the wall and footing Minimum 7'V j Maximum [I I Foundation 4'0" [ =1 1 1 J_ drain unbalanced (R405) backfill I « T „ --�� II I1 = II I I Reinforcement minimum = (1)#4 horizontal 3"from bottom of footing. bar in footing cc W „ 'Unbalanced backfill height is the difference in height of the exterior and interior finish ground levels. Where there is an interior slab the distance inside is measured from the top of that slab. Story 1 2 3 FootingThickness ( " T " ) 6" 6" 8 '/2" Footing Width ( " W " ) 12" 15" 23" TFound Walls: See Table404.1.1(5) R404.1.4: Seismic Design Categories D, and D2. In addition to the requirements of Table R404.1.1(1), concrete foundation walls located in Seismic Design Categories D,and D2, as established in Table R301.2(1) as amended by Mason County, supporting more than 4 feet of unbalanced backfill shall be constructed in accordance with Table R404.1.1(5). Wall height of concrete foundation walls shall not have an unbalanced backfill height exceeding 4 feet unless reinforcement is provided per table R404.1.1(5)or engineered design. NOTE: In lieu of a professional soils report Mason Co. will assume that the most restrictive soil conditions exist onsite. r TABLE R404.1.1(1) PLAIN MASONRY FOUNDATION WALLS NOTE: In lieu of a professional soils report Mason Co. will assume the most restrictive soil conditions exist. Plain Masonrya Minimum Nominal Wall Thickness inches Maximum Maximum Unbalanced GW, GP, SW & SP GM, GC, SM, SM-CL & ML SC,MH, ML-CL & Inorganic Wall Backfill CL Height Height: feet feet 5 1 4 6 solid or 8 6 solid or 8 6 solid or 8 6 4 6 solid or 8 6 solid3 or 8 6 solid or 8 7 4 T solid or 8 8 8 8 4 6 solid or 8 6 solid or 8 8 (a) Mortar shall be Type M or S and masonry shall be laid in running bond. Ungrouted hollow masonry units are permitted except where otherwise indicated. (b) Soil Gasses are in accordance with the United Solid Classification System.Refer to Table R405.1 (c) Unbalanced backfill height is the difference in height of the exterior and interior finish ground levels. Where an interior concrete slab is provided and is in contact with the interior surface fo the foundation wall,measurement of the unbalanced backfill height from the exterior finish ground level to the top of the interior concrete slab is permitted. (d) Solid grouted hollow units or solid masonry units. (e) Wall construction shall be in accordance with Table R404.1.1(2)or a design shall be provided. FOUNDATION WATERPROOFING AND DAMPPROOFING (R406.1)Foundation walls that retain earth and enclose habitable or usable spaces located below grade shall be damp proofed from the top of the footing to the finished grade. Masonry walls shall have not less than 3/8" Portland cement parging applied to the exterior of the wall. The parging shall be damp proofed with bituminous coating, 3 lbs. per square yard of acrylic modified cement, 1/8" coat of surface-bonding mortar complying with ASTM C 887 or any material permitted for waterproofing in Section R406.2 (see below). Concrete walls shall be damp proofed by applying any one of the waterproofing materials listed in Section R406.2 (see below)to the exterior of the wall. Section R406.2: Concrete and masonry foundation waterproofing: In areas where a high water table or other severe soil-water conditions are known to exist, exterior foundation walls that retain earth and enclose habitable or usable spaces located below grade shall be waterproofed with a membrane extending from the top of the footing to the finished grade. The membrane shall consist of 2-ply hot-mopped felts, 55 lb. roll roofing, 6 mil polyvinyl chloride, 6 mil polyethylene, 40-mil polymer-modified asphalt or 60 mil flexible polymer cement. The joints in the membrane shall be lapped and sealed with an adhesive compatible with waterproofing membrane. Exception: Organic solvent based products such as hydrocarbons, chlorinated hydrocarbons, ketones and esters shall not be used for ICF walls and expanded polystyrene form material. Plastic roofing cements, acrylic coatings, latex coatings, mortars and pargings are permitted to be used to seal ICF walls. Cold setting asphalt or hot asphalt shall conform to type C of ASTM D 449. Hot asphalt shall be applied at a temperature of less than 200 degrees. Backfill shall not be placed against the wall until the wall has sufficient strength and has been anchored to the foundation at all points a minimum of 4 inches where masonry veneer is used and a minimum of 6 inches elsewhere. (R404.1.7). For purposes of determining wall height the concrete wall is measured from the top of the footing to the top of the concrete wall. In basements the wall height is measured from the top of the slab to the top of the concrete wall. Surface drainage shall be diverted to an approved point of collection so as to not create a hazard. Lots shall be graded so as to drain surface water away from foundation walls. The grade away from foundation walls shall fall a minimum of 6 in. within the first 10 ft Exception: Where lot lines,walls, slopes or other physical barriers prohibit 6 in. of fall within 10 ft. drains or swales shall be provided to ensure drainage away from the structure. (R401.3) cOU��A MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT Mason County Bldg. III, 426 West Cedar Street PO Box 186, Shelton, WA 98584 183; www.co.masori.wa.us (360)427-9670 Belfair(360)275- 467 Elma (360)482-5269 Concrete Foundation Walls Greater than 8' in height or Supporting more than 4' of unbalanced fill** Nominal Wall Thickness Varies See Table R404.1.1(5) '/" x 1 Y anchor bolt @ 6'0" o.c.(OR per table 404.1(2) if unbalanced fill is >4 feet), 2 bolts per plate, within 12" of the end of every plate with 3"x 3"x 1/4" plate washers @ all braced wall lines. Bolts shall extend at least 7" into concrete. Sill plate (R319.1) Max.wall 6 mina (2) #4 horizontal bar in stem wall ht. 10'0" . located in upper 12' of the top of,the wall. R404.1.4 I &2 1 X j Vertical Reinforcement see Table R404.1.1(5), Standard hook, Grade 60 NOTE: In lieu of a professional soils report Mason Co. 1010, i will assume the most restrictive soil conditions exist. maximum III backfill _I I I I I _ j Foundation drain - (R405) .� Ili1 = 1111 = Reinforcement Lminimum (1)#4 horizontal 3"from bottom bar in footing ca W f 'Unbalanced backfill height is the difference in height of the exterior and interior finish ground levels. Where there is an interior slab the distance inside is measured from the top of that slab. Story 1 2 3 Footing Thickness ( " T" ) 6" 6° 8 '/" Footing Width ( "W" ) 12" 15" 23' Vertical reinforcement/Foundation Walls: Per Table R404.1.1(5) Backfill shall not be placed against the wall until the wall has sufficient strength and has been anchored to the foundation at all points a minimum of 4 inches where masonry veneer is used and a minimum of 6 inches elsewhere. (R404.1.7). For purposes of determining wall height the concrete wall is measured from the top of the footing to the top of the concrete wall. In basements the wall height is measured from the top of the slab to the top of the concrete wall. Surface drainage shall be diverted to an approved point of collection so as to not create a hazard. Lots shall be graded so as to drain surface water away from foundation walls. The grade away from foundation walls shall fall a minimum of 6 in.within the first 10 ft Exception:Where lot lines, walls, slopes or other physical barriers prohibit 6 in. of fall within 10 ft. drains or swales shall be provided to ensure drainage away from the structure. (R401.3) NOTE: In lieu of a professional soils report Mason County will assume that the most restrictive soil conditions exist. Table R405.1 Pro erties of Soils Classified According to the Unified Soil Classification S stem Unified Soil Volume Soil Classification Frost Change Group Soil Description Drainage Heave Potential S System Characteristicse Potential Expansionb bol GW Well-graded gravels,gravel sand mixtures,little or Good Low Low no fines. GP Poorly graded gravels or gravel sand mixtures,little Good Low Low or no fines. Group I SW' Well-graded sands,gravelly sands,little or no fines. Good Low Low. SP Poorly graded sands or gravelly sands,little or no Good Low Low fines. GM Silty gravels,gravel-silt mixtures. Good Medium Low SM Silty sand,sand-sift mixtures. Good Medium Low GC Clayey gravels, gravel-sand-day mixtures. Medium Medium Low SC Clayey sands,sand-day mixture. Medium Medium Low Group Inorganic silts and very fine sands,rock flour,silty or lI ML clayey fine sands or clayey silts with slight plasticity. Medium High Low Inorganic days of low to medium plastidty,gravelly Medium to CL days,sandyda ,siltydays,lean clays. Medium Medium low Group CH Inorganic days of high plasticity,fat days Poor Medium High MH Inorganic silts,micaceous or diamaceous fine sandy Poor High High or silty soils,elastic silts. OL Organic sifts and organic silty days of low plasticity. Poor Medium Medium Group OH Organic days of medium to high plasticity,organic Unsatisfactory Medium High IV silts. Pt Peat and other high organic soils Unsatisfactory Medium High (a) The percolation rate for good drainage is over 4 inches per hour,medium drainage is 2 inches to 4 inches per hour,and poor drainage is less than 2 inches per hour. (b) Soils with a low potential expansion typically have a plasticity index(PI)of 0 to 15,soils with a medium potential expansion have a PI of 10 to 35 and soils with a high potential expansion have a PI greater than 20. FOUNDATION WATERPROOFING AND DAMPPROOFING (R406.1)Foundation walls that retain earth and enclose habitable or usable spaces located below grade shall be damp proofed from the top of the footing to the finished grade. Masonry walls shall have not less than 3/8" Portland cement parging applied to the exterior of the wall. The parging shall be damp proofed with bituminous coating, 3 lbs. per square yard of.acrylic modified cement, 1/8" coat of surface-bonding mortar complying with ASTM C 887 or any material permitted for waterproofing in Section R406.2 (see below). Concrete walls shall be damp proofed by applying any one of the waterproofing materials listed in Section R406.2 (see below)to the exterior of the wall. Section R406.2: Concrete and masonry foundation waterproofing: In areas where a high water table or other severe soil-water conditions are known to exist, exterior foundation walls that retain earth and enclose habitable or usable spaces located below grade shall be waterproofed with a membrane extending from the top of the footing to the finished grade. The membrane shall consist of 2-ply hot-mopped felts, 55 lb. roll roofing, 6 mil polyvinyl chloride, 6 mil polyethylene,40-mil polymer-modified asphalt or 60 mil flexible polymer cement. The joints in the membrane shall be lapped and sealed with an adhesive compatible with waterproofing membrane. Exception: Organic solvent based products such as hydrocarbons, chlorinated hydrocarbons, ketones and esters shall not be used for ICF walls and expanded polystyrene form material. Plastic roofing cements, acrylic coatings, latex coatings, mortars and pargings are permitted to be used to seal ICF walls. Cold setting asphalt or hot asphalt shall conform to type C of ASTM D 449. Hot asphalt shall be applied at a temperature of less than 200 degrees. FOUNDATIONS TABLE R404.1.2(8) MINIMUM VERTICAL REINFORCEMENT FOR 6-,8-,10-INCH AND 12-INCH NOMINAL FLAT BASEMENT WALL Se,`•a,t,n,ak� MINIMUM VERTICAL REINFORCEMENT-BAR SIZE AND SPACING(inches) MAXIMUM MAXIMUM Soil classeeand design lateral soil(psf per foot of depth) WALL UNBALANCED GW,GP,SW,SP GM,GC,SM,SM-SC and ML SC,ML-CL and inorganic CL HEIGHT BACKFILL 30 45 60 —7 1 (feet) HEIGHT'° (feet) Minimum nominal wall thickness(inches) 6 8 10 12 6 8 10 12 6 8 10 12 4 NR NR NR NR NR NR NR NR NR NR NR NR 5 i 5 NR NR NR NR NR NR NR NR NR NR NR NR 4 NR NR NR NR NR NR NR NR NR NR NR NR 6 5 NR NR NR NR NR NR' NR NR 4 @ 35 NR' NR NR 6 NR NR NR NR 5 @ 48 NR NR NR 5 @ 36 NR NR NR 4 NR NR NR NR NR NR NR NR NR NR NR NR 5 NR NR NR NR NR NR NR NR 5 @ 47 NR NR NR 7 6 NR NR NR NR 5 @ 42 NR NR NR 6 @ 43 5 @ 48 NR' NR 7 5 @ 46 NR NR NR 6 @ 42 5 @ 46 NR' NR 6 @ 34 6 @ 48 NR NR 4 NR NR NR NR NR NR NR NR NR NR NR NR 5 NR NR NR NR 4 @ 38 NR' NR NR 5 @ 43 NR NR NR 8 6 4 @ 37 NR' NR NR 5 @ 37 NR NR NR 6 @ 37 5 @ 43 NR' NR 7 5 @ 40 NR NR NR 6 @ 37 5 @ 41 NR' NR 6 @ 34 6 @ 43 NR NR 8 6@43 5@47 NR' NR 6@34 6@43 NR NR 6@27 6@32 6@44 NR 4 NR NR NR NR NR NR NR NR NR NR NR NR 5 NR NR NR NR 4 @ 35 NR' NR NR 5 @ 40 NR NR NR 6 4 @ 34 NR' NR NR 6 @ 48 NR NR NR 6 @ 36 6 @ 39 NR' NR 9 7 5@36 NR NR NR 6@34 5@37 NR NR 6@33 6@38 5@37 NR' 8 6@38 5@41 NR' NR 6@33 6@38 5@37 NR' 6@24 6@29 6@39 4@48' 9 6@34 6@46 NR NR 6@26 6@30 6@41 NR 6@19 6@23 6@30 6@39 4 NR NR NR NR NR NR NR NR NR NR NR NR 5 NR NR NR NR 4 @ 33 NR' NR NR 5 @ 38 NR NR NR 6 5 @ 48 NR' NR NR 6 @ 45 NR NR NR 6 @ 34 5 @ 37 NR NR 10 7 6 @ 47 NR NR NR 6 @ 34 6 @ 48 NR NR 6 @ 30 6 @ 35 6 @ 48 NR' 8 6@34 5@38 NR NR 6@30 6@34 6@47 NR' 6@22 6@26 6@35 6@45m 9 6@34 6@41 4@48 NR' 6@23 6@27 6@35 4@48' DR 6@22 6@27 6@34 10 6@28 6@33 6@45 NR DRi 6@23 6@29 6@38 DR 6@22 6@22 6@28 For SI: 1 foot=304.8 mm;1 inch=25.4 mm;1 pound per square foot per foot=0.1571 kPa2/m,1 pound per square inch=6.895 kPa. NR=Not required_ a_Soil classes are in accordance with the Unified Soil Classification System.Refer to Table R405.1. b.Table values are based on reinforcing bars with a minimum yield strength of 60,000 psi. c.Vertical reinforcement with a yield strength of less than 60,000 psi and/or bars of a different size than specified in the table are permitted in accordance with Section R404.12.3.7.6 and Table R404.1.2(9). d.NR indicates no vertical wall reinforcement is required,except for 6-inch nominal walls formed with stay-in-place forming systems in which case vertical reinforcement shall be#4@48 inches on center. e.Allowable deflection criterion is L1240,where L is the unsupported height of the basement wall in inches. f. Interpolation is not permitted. g.Where walls will retain 4 feet or more of unbalanced back 11,they shall be laterally supported at the top and bottom before backfilling. h.Vertical reinforcement shall be located to provide a cover of 1.25 inches measured from the inside face of the wall.The center of the steel shall not vary from the specified location by more than the greater of 10 percent of the wall thickness or%inch. i. Concrete cover for reinforcement measured from the inside face of the wall shall not be less than 3/;inch.Concrete cover for reinforcement measured from the outside face of the wall shall not be less than l'/2 inches for No.5 bars and smaller,and not less than 2 inches for larger bars. j. DR means design is required in accordance with the applicable building code,or where there is no code in accordance with ACI 318. k.Concrete shall have a specified compressive strength_(,of not less than 2,500 psi at 28 days,unless a higher strength is required by footnote l or m. 1. The minimum thickness is permitted to be reduced 2 inches,provided the minimum specified compressive strength of concrete,f',is 4,000 psi. m. A plain concrete wall with a minimum nominal thickness of 12 inches is permitted,provided minimum specified compressive strength of concrete,f',,is 3,500 psi. n. See Table R611.3 for tolerance from nominal thickness permitted for flat walls. 2012 INTERNATIONAL RESIDENTIAL CODE® 103 1 EGRESS WINDOW All sleeping rooms and basements with habitable space shall have at least one operable emergency escape or rescue opening. Emergency escape and rescue windows shall be operational from the inside of the room without use of keys or tools. • Minimum openable area: 5.7 square feet' • Minimum width net clearance: 20" • Minimum height net clearance: 24-v Maximum 44" off finished floor. 'A net clear opening of s pe g 5 square r+;:feet Is allowed when window Is located such that the sill height of the opening is not more than 44" above or below the finished ground level adjacent to the opening. Below are recommendations received from manufacturers. Be sure to check with your window manufacturer to make sure windows in rooms that require emergency escape or rescue openings will comply to current code requirements. Mndov`i�xpe, M rgard` d1d 1 1en �erta�rtlteed nslUlatai 48"x 42" 48"x 48" 48"x 48" 48"x 44" Horizontal Slider or or or or 60'x 36" 60'X 36" 60"x 36" 60"x 36" 36"x 60" 36"x 60" 36"x 60" 36"x 60" or* or or or Single Hung 30"x 72" 30"X 72" 30"x 72" 30"x 72" Vent bar placed to provide required egress dimensions 30"x 48" 28"x.48" 30"x 42" 30"x 48" or Or . or or Casement 36"x 42" 36"x 36" 36"x 48" 36"x 42" Window may require egress hinges 20 IN34118 IN. • �CLEAR� / CLEAR 41IN. CLEAR OPENABLE \ \ / AREA=5.7 SQ. FT. \ 24 1N. \/ OPENABLE CLEAR /\ AREA=5.7 SQ.FT. See footnote' above. �\ / See footnote'above. MINIMUM SIZE MINIMUM SIZE WINDOW FOR 20 IN. WINDOW FOR 24 IN. CLEAR WIDTH 44 IN, CLEAR HEIGHT FLOOR MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT Mason County Bldg. III, 426 West Cedar Street PO Box 186, Shelton, WA 98584 .»R www.co.mason.wa.us (360)427-9670 Belfair(360)275-4467 Elma (360)482-5269 .Z'4AA.t �Z�✓iEy✓G'/`fEeK��S7' STANDARD 4'0" EXTERIOR OR INTERIOR BRACED WALL PANEL (BWP or IBWP) Using wood structural panel (WSP) or Gypsum board (GB) IRC R602.10.5 Exterior (BWP) Interior(IBWP) WSP Method of IRC (for other approved GB Method 5 R602.10.4 methods see R602.10.4) Minimum 4'0" panel width when 1/2" Minimum 4'0"panel width gypsum board installed on 2 sides of Maximum 10'0"height the braced wall panel. (See Table R602.10.5 below for additional Minimum 8'0" panel width when 1/2" allowances) gypsum board is placed on one face 5116"APA rated sheathing 16"o.c.framing; of the braced wall panel. or 3/8"APA rated sheathing 24" o.c.framing. Secure with 6d drywall nails 7"o.c. Secure with 6d common nails Align vertical joints over studs 6"o.c. at edges, 12"o.c. in the field,&6"o.c.at gable end walls. 1 1/2" blocking at horizontal joints. Align vertical joints over studs. Support IBWP as specified in IRC 1 1/2"blocking at horizontal joints. R602.10.8 Extend sheathing to foundation sill plate. Interior braced wall lines shall befastened to floor and roof framing in Exterior braced wall lines shall have a braced accordance to Table R602.3.1(1) and wall panel located at each end of the wall to required foundations in accordance line. Exception:When a BWP begins no with Section R602.11.1 (see more than 8'0"from the end one of the foundation details). In addition floor following is allowed: joists parallel to the top plate shall be A min. 24"wide panel is applied to each side toe-nailed to the top plate with at least of the bldg. comer and the (2)24"wide 8d nails spaced a maximum of 6" o.c. panels at the comer shall be attached in Top plate laps shall be face-nailed accordance with figure R602.10.2.2.1, or with at least(8) 16d nails on each The end of each braced wall panel closest side of the splice. to the comer shall have an 1800# capacity tie down device fastened to the stud at the edge of the braced wall panel closest to the comer and to the " 1800# uplift capacity tie foundation or framing below. The tie d down device. own device shall be installed in " '= accordance with manufacturer specifications. (IRC R602.10.2.2.1) Spacing between braced panels shall not exceed 20-feet in both the longitundinal and transverse direction. Exception: Braced wall lines shall not exceed 35-ft apart in order to accommodate a single room not to exceed 900 sq. P5 ooU�T MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT f y a Mason County Bldg. III, 426 West Cedar Street ' PO Box 186, Shelton, WA 98584 www.co.mason.wa.us 360)427-9670 Belfair(360)275-4467 Elma (360)482-5269 1854 ALTERNATE BRACED WALL PANEL (ABP 1800# AND 3000#) IRC R602.10.5 & R602.10.6.1 2'8"or 2'10"minimum 1800# ABP 3000# ABP Minimum 2'8" panel width Minimum 2'8" panel width Maximum 9'0" height Maximum 9'0" height Minimum 2'10" panel width Minimum 2'10" panel width Maximum 10'0" height Maximum 10'0" height 3/8" APA rated sheathing 3/8"APA rated sheathing both one side sides. Secure with 8d nails Secure with 8d nails Edge: 6" o.c. Edge: 4" o.c. Field: 12" o.c. Field: 12" o.c. 1800# uplift capacity tie down 3000# uplift capacity tie down devices at each end, installed devices at each end, installed in accordance with the in accordance with the manufacturer specifications. manufacturer specifications. 2 anchor bolts at panel quarter points 3 anchor bolts at one-fifth points (3 total) (1) #4 reinforcement bar at the top and bottom (1) #4 reinforcement bar at the top and bottom All alternate braced panels shall be supported directly on a foundation which is continuous across the entire length of the braced wall line. The foundation shall be reinforced with not less than one #4 bar top and bottom. USE 1800# UPLIFT CAPACITY TIE DOWNS ON SINGLE STORY OR SECOND STORY OF A TWO STORY STRUCTURE. USE 3000# UPLIFT CAPACITY TIE DOWNS ON THE FIRST STORY OF A TWO STORY STRUCTURE, SHEATH BOTH SIDES OF PANEL . MASON COUNTY DEPARTMENT OF COMfMUNiTY DEVELOPMENT Mason County Bldg- Ill, 426 West Cedar Street PO Box 186, Shelton, WA'98584 - - www-cosnason.wa.us 360)427-%70 Belfair(360)275-4-467 _ 1854f , Portal Frame Panel (PFP) ADJACENT TO A DOOR OR WINDOW OPENING (R602.10.6.2) EXTENT Of HEADER WITH DOUBLE PORTAL FRAMES j7W0 BRACED WA.LPANELS EXTENT OF HEADER WTM SINGLE PORTAL FRAME (ONE BRACED WALL PANEL) 7 OR SINGLE FINISHED WIDTH OF OPEPORTAL FOR SINGLE OR DOUBLE PORTAL TENSION STRAP PER PONY ALL TABLE R602.106.440N HEIGHT OPPOSITE SIDE Of C►.E SHEATHING) IH.3'X 11-1Jf N N E ;; —ELHEADER PROXIBIT£O .. IF NEEDED,PANEL SPUCELL FASTEN SHEATHWG TO HEADER WITH 6D OCCUR OVER AND BE f:L }; OCCUR-DATER-AND 8E FASTEN TOP COMFN ON OR GALVANIZED BOX NAILS M r GRID NAJLED TO COMM ON PLATE.� O y PATTERN AS SB OWN BLOCKING WITHIN 4' HEADER WITHy� NEADERT DJACKSND STRAPPER TABLE (FIDDLE 24'OF WALL TWO y' R602106.4 ON BOTH SIDES OF OPENING M®-H EIGHT.ONE 16 ROWS OF D 3 y OPPOSITE SIDE Of SHEATHING ROW OF 3 D.C.IFAU.ILG IS REQU62ED 51111ER NAILS AT < O Y; IN EACH PAELEDGE. 4 3'O.C.Tl4. o f K 1 MIN.DOUBLE 2X4 FRAMING COVERED WTTR MIN. Mai.3/8'WOOD < 9JB'THICK WOOD STRU CTURAL PANEL ASH --- ANEL SATE IFG TYPIC PORT y� AL AL 5 WITH 80 COMMON OR G4LVAJHZED BOX NABS AT FRAME CONSTRUCTION y �' ��RAd .Y; r 0 M.IN ALL FRAMING(STUDS,BLOCNONG,AND SILLS)TYP. SHEATHING MIL.DOUBLE 2.(POST MIN.LENGTH Of PANEL PER TABLE ROM105 {KING AND JACK SrUD). NUMBER OF JACK STUDS MBL(Z)42DO LB STRAP-TYPE HOLD4)DWNS PER TABLES Ri025(1)t 4EMSEDD£D INTO CONCRETE AND LULLED INTO FRAMING) MDi.RfINFDRCMG OF fOUND.4TTON,ONE 04 BAR AM.10D0 LB HOLD-DOWW TOP ANDREIN BOTTOM OF FOOTING.LAP BARS tS CO DEVICE CONCRETE (EMBEDDED ED MuUM CONCRETE AND NAILED -------- _r_—-------- INTO FRAMING MIN.FODTItG SEE UNDER OPENING IS Ir X 1r.A TIRNED. DOWN SLAB SHALL BE PERMfrrED ATDOOR OPENINGS. MIN.(I)WDWLETER ANCHOR BOLT INSTALLED PER R403.16-WITH 7 X 7 X 31I r PLATE WASHER FRONT ELEVATION SECTION For SI: 1 inch=25.4 mm,1 foot=304.8 mm FIGURE R602.10.6.2 METHOD PFH—PORTAL FRAME WiTH HOLD-DOWNS Alternate braced wall panels constructed in.accordance with one of the following provisions-are also permitted to replace each 4-feet of braced wall panel as required by Section R602.10.6 for use adacentto a window or door opening with a fulHength header 1. in one-story buildings,'each panel shall have a length of not less than 16-inches and a:height not more than 10-#L Each panel shall 'be sheathed on_one face with a single layer of 318-inch minimum thickness wood structural panel sheathing nailed With 8d common or galvanized.box halls in accordance to Figure'R602.10.6.2 The wood panel shall extend.up over the solid sawn or glue- laminate'd.header and shall be naiW in accordance to the figure. Use.of a built.up header.consisting of at least two 2 x 1Ts,fas- tened in accordance with Table R6023(1.)shall be permitted where approved. The beadershall extend between the inside faces of,the first.fulkiength outer sttids of each panel. T#te clear span of the header between the inner studs of each:panel shall not be less than.6-ft and not more than 18-ft in length. A strap with an uplift capacity of not less than 1000 fbs shall fasten the header to the side of the inner studs opposite the sheathing. One anchor bolt not less than 618'diameter shall be installed in the center of each sill plate. The studs at each end of the panel shall have a fie-down:device fastened to the foundation with an uprl$capacity of not less than 4200 lbs. Tie-down devices shall bean embedded strap type, installed in accordance with the m-anufacturer's recorn- mendations. The panels shall be supported directly on a fioundation which is continuous across the entire'iength reinforced with not less than one-{bar top and bottom. 2. in the first story of a 2-story, each wall panel shad be braced in accordance with item.#1 above,except that each panel shall have a length of not less than 24-inches. This bracing method require fastening to the foundation and cannot be used in the upper floors of two—or three-story structures Braced Wall Panel Connections Floor/Ceiling Framing IRC R6O2.8. CONTINUOUSRIM FULL HEIGHT BLOCKING OR BAND JOIST CONTINUOUSALONG LENGTH OF BRACED WALL PANEL PERPENDICULAR FRAMING wed Q 6"0.C.ALONG 6d @ 6"O.C.ALONG BRACED WALL PANEL BRACED WALL PANEL BRACED WALL PANEL BRACED WALL PANEL 3-161 @ 16"O.C.ALONG 3-16d @ 16"O.C.ALONG BRACED WALL PANEL BRACED WALL PANEL PERPENDICULAR FRAMING 7�-�CONTINUOUS RIM FULL HEIGHT BLOCKING OR BAND JOIST CONTINUOUS ALONG LENGTH OF BRACED WALL PANEL =25.4 mm, FIGURE 13602.10,8(1) CONTINUOUS RIM OR ADDITIONAL FRAUtOG FULL HEIGHT BLOGIQNG END JOIST N EMBER DIRECTLY ABOVE @ 16"O C.ALONG BRACED WALL PANEL BRACED WALL PANEL V I Od @ 6"O.C_ALONG TOE NAIL 3-8d 8d @ 6'0.C.ALONG BRACED WALL PANEL NAILS AT EACH BRACED WALL PANEL BLOCKING MEMBER BRACED WALL PANEL BRACED WALL PANEL BRACED WALL PANEL 3-16d @ 16"O.C.ALONG 3 16d @ 16"O_a ALONG 3-16d AT EACH i�rBRACED WALL PANEL BRACED WALL PANEL BLOCKING MEMBER 2-16d NAt LS EACH SIDE CONTINUOUS RIM ADDITIONAL FRAMING OR END JOIST MEMBER DIRECTLY BELOW FULL HEIGHT BLOCKING @ 16"tO.C. BRACED WALL PANEL ALONG BRACED WALL I: 1 inch=25.4 mm. FIGURE R602.10.6(2) BRACED WALL PANEL CONNECTION WHEN PARALLEL TO FLOORICEILING FRAMING Braced Wall Panel Connections Rafter and Trusses IRC R602.8. ROOF SHEATHING. EDGE NAILING.PER TABLE R80Z3(1) (TYP) M RBLOCKING 2x BLOC KING ROOF TRUSSES PER.RSM10 BRACING• NAILING PER BRACED WALL PANEL TABLE RS023(1) PROVIDE VENTING. 6'•D"MAX. PER SEGTIpN R806 (NGT SHOWN) inch=25.4 mm,1 foot=304.8 mm. ds of bracing shall be as described in Section R602.10.4. FIGURE R602.10.82(2) BRACED WALL PANEL CONNECTION OPTION TO PERPENDICULAR RAFTERS OR ROOF TRUSSES PROVIDE VENTING PER SECTION R8D6 ROOF SHEATHING EDGE NAILING PER B TABLE R602.3(1)(TYP) Iz BRACING a. n. VENTING A ROOF TRUSses c 2x SL KING PER BLK' R802.10 BRACING ROOF TRUSSES BRACED WALL BRACED WALL PER R802.10 PANEL PANEL NAILING PER TABLE R602.3(1) s,_o„MAX SECTION �ELEVATION For SI: 1 inch=25.4 mm,1 foot=304.8 mm. a. Methods of bracing shall be as described in Section R602.1.0.4. FIGURE R602.10.8.2(3) BRACED WALL PANEL CONNECTION OPTION TO PERPENDICULAR RAFTERS OR ROOF TRUSSES MASON COUNTY ' CARPORT/COVERED DECI< DETAIL DI EXIST:WALL SHT6 NOTE, EXIST.2x 5TW s 24•MAX. RAFTER,BEAM,GOLY N SIZE AND THEIRS(OWTION METAL FLASHING ARE BA5ED ON TIC FOLLOVING A-',, TIOH. VERTICAL LOAD6 112*058 ROOF SHTG W/bd WOO ROOF 94T6 TO LEDGER NAILING SCHDL ROOF DL•10 P5P 00 TILE ROOF) AT ALL SUPPORTED PANEL W6E5 06e4'OG SNOW •25 P5F ROOF ASSEMBLY AND Bd el0'OG INFIELD per IRGIBG requirements ROOFINSP MATERIAL MIN.LEWER 61ZE SNOW LOADS>25H REQUIRE ALTERNATE RAFTER ZXB NM. (0-10'DIST TO BI.Db) AND BEAM SIZING APPROPRIATE FOR LOADING. y' BD 2XIO MIN.OR 2X124(10-16'DIST To OLW) 2X12 FIN.OR 2XI4'06-20'DIST TO SLW) RAFTER 51ZE� (DP#2) fiA L BLOCKING MATCH WITH RAFTER 51ZE DIRD MOUTH AT BEARING \ , LEDGER TO EACH WALL STUD NAILIN6 5GWL OISTANC!t0 BUILDING (STW SPAGIN6 SHALL BE 24.OG_ ) 01-10, 10'4 I6 20' GUTTER(TYP) \ W-16d 5TA66ER(0-10'DI5T TO 6LD6) 12'a 2 X 6 2 X 6 29107127X (4)-16d STA@66M(10-16'DIST TO BLW) 16,OG 2 X 6 2 X 10 Z RAFTER DFR2-SEE RAPIER SGNDI (5)-Ibd STAGGER 06-20'DIST TO BLD6) 1, 24'OG 2 X 6 2 X 12 2 X 14 METAL HANGER NJRRIGAFC Ur AT EA.END OF RAFTER $IM4PSU7 LSU16 (2X6 RAFTER) SRPSON II OR EQUAL 5ImP°_60N L5SU2B(2Xb RAFTER) BEAM 51ZE5 (GAF#2) L5IM1f'ON L55U2IO OX104W P.APTER)OR DISTANCE TO BUILOW 1A 2X BEAM DF12-SEE BEAM SCHDL EQUAL M Ib'-20METAL PAST GAP 5' 4 X51MP-,.,OH AG4(4X4 COLUMN) '� b' 4X6 50.1-,ON AC6(4X6 Calk"OR 9r T' 4X6 Ewa 6' 4X10 9 XIX10 4X10 COLUMN HFrI FRE55l RE 1REHTED 1 L X 10 4 X 12 10'MAX 4X4(0-10'DI5T TO BLD6) 4X6 00-16'DIST TO BLD6) 4X6(16-20'DI5T TO BLW) W BEAM 2' L r W _ SPAN � SPAN MAX I • �AdGEP7'ABLE METAL POST BASE(6AVANI7FD) ,— L SIMPSON 1.0844(04 GOLI W DISTANCE 51MP5OH LGE46(4X6 GOLUMNI OR TO BLDG. FOOTW6 I EQUAL W COLUMN(TYP) BEM1(I YP) 1'GLR L`W ACCEPTABLE BUILDING 6'MIN .-- - }� L � SLOPE pIH15H 6R.D I —I' AWAY I'"B1-06 CONCRETE F60TM H L>W 114'MIN 24'X24'X24'THIGK W CLR ►'(.=250O P51 ry Construction is limited to the • (TYp) 2 04 EA WAY TOPIBOT LATER. W.DISTANCE TO BLD6. specifications of �— 1'50 FTG 9'GLR This diagram including maximum (n.P) NT.5 N PLAN 10' post height maximum 10' beam ,TS N,TS span(post spacing). F., co MASON COUNTY F` y DEPARTMENT OF COMMUNITY DEVELOPMENT Mason County Bldg. Ill, 426 West Cedar Street —- — PO Box 186, Shelton, WA 98584 www.co.mason.wa.us 360)427-9670 Belfair(360)275--4467 STANDARDS FOR INSTALLTION OF PROPANE TANKS Central AC compressor (source.of Jgnition) a Intake to Bred- 10 ft( f* f, min) _r vent appliance (Note 1) o� w.�. 10 ft(min) (Note 1) 5It(min) Window air (Note 2) 0 it(min)conditioner 25 ft 10 It(min) (Now 1) (source of ignition) (min) r2� (Note 3) M c, ton Il (min r / 25 ft (min) / (Note 3) / Note 1:Regardless of Its size,any ASME container filled on Note 2:Rater to 6.3.8. site must be located so that the filling connection and bled / maximum liquid level gauge are at least 10 It from any Note 3:This distance can be reduced to no less than 10 ft for a extemal source of ignition(e.g.,open flame,window AC, single container of 1200 gal(4.5 m3)water capacity or less, compressor),intake to direct-vented gas appliance,or intake provided such container is at least 25 It from any other LP-Ges to a mechanical ventilation system.Rater to 6.3.9. container of more than 125 gal(0.5 m3)water capacity.Refer to 6.3.3. FIGURE L1(b) Aboveground ASME Container. (Figure for jMub-alive ptaposes only;code shall govern.) NFPA 58 Table 6.3.1 Separation distanced between containers,important buildings and other properties. Minimum Distances Water per Containeracity Mounded or Underground b Aboveground Containers Between Containers Containers` moons Feet `. Teat: . �4eef <125 10 0` 0 125—250 10 10 0 251 —500 10 10 3 501 —2000 10 25 3 2001 —30,000 50 50 5 Footnote a: Distances for mounded or underground tanks shall be measured from the pressure relief valve and the filling connection.No part of an underground ASME container shall be less than 1041 from a building or property line that can be built upon. (NF.PA58 6.3.4) Footnote b: The horizontal distance between the portion of a building that overhangs out of the building wall and an ASME container of 125 gallons or more shall comply with the following: (1) The horizontal distance shall be measured from a point determined by projecting the outside edge of the overhanging structure vertically downward to grade or other level upon which the container is installed. (2) This horizontal distance shall be at least 50%of the separation distance required in Table 6.3.1. (3) This requirement shall apply only when the overhang extends more than 5-ft. from the building. (4) This requirement shall not apply when the overhanging structure is 50-ft or more than the relief valve discharge outlet. (5) This requirement shall not apply to ASME containers,2002 to 30,000 gallons,where the container distance from a building is in accordance with NFPA 58 6.24.2. Footnote c: Access at the ends or sides of individual underground containers 125 gallons or more shall be provided in multi- container installations to facilitate working with cranes or hoists. (NFPA 58 6.3.11) Footnote d. The distance measured horizontally from the point of discharge of a container pressure relief valve to any building opening below the level of such discharge shall be in accordance with Table 6.3.9.and figure I.1(b). (NFPA 58 6.3.9) Footnote e: Cylinders installed alongside of buildings shall be positioned so that the discharge from the cylinder pressure relief device is located as follows: (1)At least 3-ft horizontally away from any building opening that is below the level of such discharge. (2)At least 5-ft in any direction away from any exterior source of ignition,opening to direct-vent(sealed combustion system)appliances,or mechanical ventilation air intakes. Cylinders shall not be located and installed underneath a building unless the space is open to the atmosphere for 50%of its perimeter or more. The distance measured horizontally from any point of discharge of a container pressure relief valve to any building opening below the level of such discharge shall be in accordance with Table 6.3.9 and Figure I.1(b). (NFPA 58 6.3.7, 6.3.8,and 6.3.9) ADDITIONAL REOUII2EMENTS: 1. A building permit shall be required for the installation of any sized tank serving a fixed appliance within any structure. 2. All LP tanks shall be installed in accordance to NFPA 58 and the International Fire Code. 3. Weeds,grass,brush,trash and other combustible material shall be kept not less than 10-feet from LP tanks in any direction. 4. When exposed to probable vehicular damage due to proximity to driveways,parking areas, or alleys,LP containers,regulators and piping shall be protected. Wmdow eir n?� igntbon) conditioner (source of x { Take to direct- .. ~t Ir vent El ce ti - r { (Note 1) M - .r'r O 10 tt(min) (Note 2) C 3 fi Cylinder filled on site 5 ft(min) min) (min) at the point of use Central AC (Note 1) (Note 3) (Note 3) from bulk truck compressor Crawl space opening, (source of ignition) Cylinders not filled on site windows,or exhaust tan at the point of use For SI units,1 It=0.3048 m Note 1:5 ft minimum from relief valve in any direction Note 2 If the cylinder is filled on sfte from a bulk truck,the away from any exterior source of ignition,openings into filling connection and vent valve must be at least 10 It from direct-vent appliances,or mechanical ventilation air intakes. any exterior source of ignition,openings into direct-vent Refer to Table 6.3.8. appliances,or mechanical ventilation air intakes Refer to 6.3.9. Note 3:Refer to 6.3.8. FIGURE Ll(a) Cylinders. (Figure for Mus&ative purposes only;code compliance required.) Mason County Building Department Residential Deck, Stair, Landing and Guard Detail Guard installed on all decks over 3T above arade. The greatest riser and the greatest stair Spaced so a 4'sphere Vertical Pickets at handrail tread shall not exceed the cannot pass through. smallest by more than 3/8.' Graspable handrail on all stairways with 4 or more risers. Not less than 34'and not more than 38" vertically from nose of tread or walking surface. Minimum Guard Height 36' Handrail ends shall z be returned or shall ; terminate in newell posts or safety terminals. .� Ledger at wait: 10'min. `. 1 Indicate ioist size/soacina Decks shall be Stair nosing not less than positively anchored 3/4'but not more than for lateral&vertical 1-1/4'on all solid risers - Indicate beam loads.See Mason unless tread depth is at 7 3/4' size/spacing.Provide County deck ledger Maxpositive connection post H• attachment detail. least 11.' Decks shall be self � I supporting'rf connections gnnot Indicate Indicate post size,spacing be verified during Indicate fasteners stringer size. and base connector. [ inspection.R5022 Space per . i !•�.... . decking material Triangular opening formed by 4°x4'x16°masonry 12^ riser/tread/guard are permit- block with asphalt min ted to be open so that a 6' shim. sphere cannot pass through. , ' Decks installed against manufactured homes must have beam support at this Provide 4'wood/earth clearance here, location. 6"all other areas. Concrete footing 12"below grade when deck is greater than 30'above grade.See foundation info on reverse side. Typical Door with 3 Risers CONSTRUCTION MATERIALS Illuminate stairs Decay resistant woods with controls + Landings are required on heartwood of redwood,cedar, located at top and each side of each black locust and pressure bottom of stairs. exterior door. preservatively treated wood r; Exception:A landing are all acceptable material for 6'8" i is not required with use in deck construction. Feld Graspable Rail two or fewer risers. applied treatment is not an Min 34"min 38"max i I l acceptable method. Fasteners for pressure preservative Landings shall not be treated woods shall be of hot- 36"min more than 1-112' dipped galvanized steel, landing lower Than the top of stainless steel,silicon bronze the threshold. or copper. Feld cut ends, Min. 10°run Exception: notches and drilled holes of —The landing shall pressure preservatively treated not be more than 7-3/4'lower wood shall be retreated in the I than the threshold provided the field in accordance with AWPA 36'min Max.7 3/4'rise door does not swing over the landing. M4• landing IRC R319&R320. Handrail Details ,%�'�„,.'I�\+' 1'k RL WC All stairways with 4 or more risers shall I%VC-M2 W. IN.xi TO 2 P1. have at least one handrail. Such handrails shall be placed not less than 34" nor more. than 38" above the nose of the treads and shall be continuous for the full length pf the flight. Handrail ends shall be returned or terminate in the newel post or safety termi- nals. Handrails adjacent to the wall shall have a space not less than 1 'l" between the wall and the handrail. Circular hand- rails shall have an outside diameter of at least 1 %4" and not more than 2.' Handrails NO71r o".rsrmyx.�enkearra�+"N.awwwsacas.se. MDT ACC-MAKE with a perimeter greater than 6 '/" shall Sr tlbtl puap�ph d BWon f0¢1.516. provide a graspable finger recess on both fsides. Handrails shall not project more than 4 '1" on either side of the stairway. .'FUrR1 261.yL 2%RL stk w. 214"L FOUNDATION SUPPORT SYSTEMS • Decks 30"or less above grade: Minimum 12"x12" manufactured pier. • Deck 30"to 5'0"above grade: Minimum 14"x14" manufactured pier set 12"below grade. • Decks greater than 5'0" above grade: Minimum 18'x18"x18"poured in place footing set 12'below grade. Ail deck posts shall have a positive post to footing and positive post to beam connection. Deck height is measured at the lowest point within 5'0" beyond the walking surface of the deck_ DECK PLAN EXAIv l-E ONLY A?M=JOIST BAMMS ERIST.MG BU=I[G *MQU 7G RED'D FOR MFGADME 0 'K N ES IBE &LL HHHr:d 1 -'-D PDSTS &Kin ELCK SIZES & SEACXZG JOIST UME BF-AM SIZE&S?AM.' 30'0" MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT Mason County Bldg. III, 426 West Cedar Street PO Box 186, Shelton, WA 98584 www.co.masonma.us (360)427-9670 Belfair(360)275-"67 Elma (360)482-5269 Deck Ledger Attachment Details & Specifications Please see Mason County Checklist item #56 and #69 for additional wood and fastener requirements (IRC R507) Fastener spacing for solid sawn deck ledger to an existing band (rim)joist. (Deck Live Load = 40 psf& Dead Load = 10 psf) • Joist Span 6'-0" and 6'-1" to 8'-1" to 10'-1" to 12'-1" to 14'-1"to 16'-1" to Less 8'-0" 10'-0" 12'-0t' 14'-0" 16'-0" 18P-0111 Connection Details On-Center Spacing of Fasteners 1/2" diameter lag screw with 15/32" 30 23 18 15 13 11 10 maximum sheathing f2" diameter bolt with 15/32" 36 36 34 29 24 ,21 19 maximum sheathing 1/2" diameter bolt with 15/32" 36 36 29 24 21 18 16 maximum sheathing and 1/z" stacked washers • Lag screw tips shall extend beyond the inside face of the band/rim joist • Maximum gap between band/rim joist and ledger shall be 1/2"with spacer(s) • Flashing shall be installed to prevent water intrusion at structural attachment • Deck Ledger shall be minimum 2x8 pressure preservative treated No. 2 grade lumber • Lag screws and bolts shall be staggered per diagram below z STAGGER FASTENERS ri IN 2 ROWS 5.5"MIN.FOR 2 X 8` 'DISTANCE SHALL BE PERMITTED TO 5"MAX 6.5"MIN.FOR 2 X 10 BE REDUCED TO 4.5"IF LAG SCREWS 7.5"MIN.FOR 2 X 12 ARE USED OR BOLT SPACING IS REDUCED TO THAT OF LAG SCREWS TO ATTACH 2 X 8 LEDGERS TO 2 X 8 2"MIN BAND JOISTS. LEDGER LAG SCREW OR BOLT 3/4"MIN. lag screws must be hot- dipped galvanized or v stainless steel only iv screw must penetrate 1-112"shank length must extend through beyond band board I - ►T - a minimum of 112" (no threads) existing band board Please see typical diagrams on reverse for construction details. Typical Construction Details Deck Ledger shall be 2x pressure preservative treated No. 2 grade lumber(2 x 8 minimum) Ledger shall be equal to (or greater than)joist sizes larger than 2 x 8 nominal i sheathing 1/2" hot-dipped � _� r Housewrap or galvanized bolts ��'" �— building and washers, 9 paper staggered Flashing membrane Washers create'/2" drainage -�- space PT deck ledger Band joist exterior sheathing remove siding at ledger prior to installation continuous flashing existing2x band board with drip edge or 1-1/4" min. manuf. solid rim joist 1/2" dia. lag screw or thru-bolt floor joist _ deck joist • -� 2x ledger board -2 1 . embed anchors e 2-1/2" min. .a deck joist a concrete or solid masonry wall • 1/2" dia. expansion 'n • - - anchors 4 2x ledger board DECK TO HOUSE LATERAL LOAD CONNECTION International Residential Code/WAC R507.2.3 R507.1 Where supported by attachment to an exterior wall, decks shall be positively anchored to the primary structure and designed for both vertical and lateral loads. Such attachment shall not be accomplished by the use of toenails or nails subject to withdrawal. Where positive connections to the structure cannot be verified during inspection, decks shall be self-supporting. For decks with cantilevered framing members, connections to the exterior walls or other framing members, shall be designed and constructed to resist uplift in accordance with Table R301.5. LATERAL ATTACHMENT: Decks more than 30-inches above grade, measured 36-inches beyond the deck, Lateral load connections shall be permitted to be in accordance with Figure R507.2.3.. Hold down tension devices shall be installed in not less than 2-locations per deck, with an allowable stress design capacity of not less than 1500 pounds. OPTION: Lateral load connections may be installed in accordance with Figure R507.2.3(2), using holdown devices min. 750-pound capacity, evenly distributed and within 2-ft of each end of the ledger and attachments at shown. HOLD-DOWN OR SIMILAR TENSION DEVICE FLOOR SHEATHING NAILING AT 6 IN. MAXIMUM ON CENTER TO JOIST WITH HOLD-DOWN + + + + + + + + + + FLOOR JOIST DECK JOIST FIGURE 507.2.3 DECK ATTACHMENT FOR LATERAL LOADS Siding Sheathing Note: Flashing for This detail is applicable where Poor joists are paraliel to deck water 8ghtness joists. Decking Deck joists Table R502.3.1(2) Approved joist hangers 2"min. l�' Pressure treated 2x ledger with fasteners per IRC Table R507.2 Holdown device min 750#capacity at 4 locations,evenly distributed Floor joists along deck&1 within 2'of each end of the ledger.Holdown devices shall fu0y engage deck joist A fully threaded aW diameter lag screw predrilled wlmin 3"penetration to top plate,studs,or header. Figure R507.2.3(2) MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT Mason County Bldg. III, 426 West Cedar Street PO Box 186, Shelton, WA 98584 www.co.masorima.us (360) 427-9670 Belfair(360)275- 467 Elma (360)482-5269 Cutting, Notching and Boring of Joists, Rafters, and Studs RAETERSD/3 m2m in top VDV mam within member NO CH AT D/6 max- depth D of support A D!3 max.—t-- �0 T F O I T D D/6 max- NOT NOT �D PE Uvff TED WITHIN AIMDL.E T ULD OF SPAN,ELT BORED NOTCHES VPITHIN L3 HOLES ARE OF SPAN EACH END PER1YIC =. FLOCRJOISIS WALL STUDS CCTI"TIl*,TG AID NOTCffiNG BORED HOLES STCD 2"X 6'STCID-.%-"6"MAM NOTCEI BORED HOLE NOte:NoUing aot I i•� petted in middle — ra r sT<�i�ii6^MAx L3 of Shen. 2"X 6"STUD-2 3/16'MAS. ao%A-J OaVFD no%ALL.OWE D ANY WALL NONBFARING PAR=ONS D( -1 dim) 2'z 4^STCII12 1/8'MAX. 2'Z 6^STCID-3 5�16'MAX. IY3 M9YINd M NOTC BORED ROLE eP ST ML 7B^MAM Z'z 6'STT-ML1318-MAX. 1 r IM � 2�^/oALLAWEa 60^/oALLOWED FPENdI-CPAl D E==0R WAILS AND ANY NONBEARLTTG WALS. BCT7CMCF PZECR BEARING PARITIIONS OR.EAC EI BORED ST JD DOUBLED K�r BORED HOLE NOTPERMZrIED IN MORE'LEAN TWO SUCCZSSNE HS SIN'.7�SZS DOUBUM STUDS SEE MANUFACTURE'S SPECIFICATIONS FOR BORING AND NOTCHING OF ENGINEERED LUMBER WALL CONSTRUCTION TABLE R602.3(1) FASTENER SCHEDULE FOR STRUCTURAL MEMBERS NUMBER AND TYPE OF ITEM DESCRIPTION OF BUILDING ELEMENTS FASTENER' SPACING OF FASTENERS Roof 1 Blocking between joists or rafters to top plate,toe nail 3-8d (21/"x 0.113") — 2 Ceiling joists to plate,toe nail 3-8d (21/2'x 0.113") — 3 Ceiling joists not attached to parallel rafter,laps over partitions, 3-10d — face nail 4 Collar tie rafter,face nail or 11/"x 20 gage ridge strap 3-10d(3"x 0.128") — 5 Rafter to plate,toe nail 2-16d(31/"x 0.135'� — Roof rafters to ridge,valley or hip rafters: 6 toe nail 4-16d(31/2"x 0.13511) — face nail 3-16d(31/"x 0.1351 — Wall 7 Built-up corner studs 10d (3"x 0.128") 24"c.c. 8 Built-up header,two pieces with 1/"spacer 16d(31/"x 0.135") 16"o.c.along each edge 9 Continued header,two pieces 16d(31/"x 0.135") 16"o.c.along each edge 10 Continuous header to stud,toe nail 4-8d(21/2"x 0.113") — 11 Double studs,face nail 10d(3"x 0.128 24"o.c. 12 Double top plates,face nail 10d(3"x 0.128") 24"o.c. 13 Double top plates,minimum 48-inch offset of end joints, 8-16d(31/2"x 0.135") — face nail in lapoed area 14 Sole plate to joist or blocking,face nail 16d(31/"x 0.135") 16"o.c. 15 Sole plate to joist or blocking at braced wall panels 3-16d(31/"x 0.135") 16"o.c. 3-8d (21/2"x 0.113") — 16 Stud to sole plate,toe nail or 2-16d 31/"x 0.1351 — 17 Top or sole plate to stud,end nail 2-16d(31/"x 0.135") — 18 Top plates,laps at corners and intersections,face nail 2-lOd(3"x 0.128") — 19 1"brace to each stud and plate,face nail 2-8d(21/2"x 0.113") — 2 staples 1 / — 20 1"x 6"sheathing to each bearing,face nail 2-8d staples 1 /"0.34 ) — 2 staples — 21 1"x 8"sheathing to each bearing,face nail 2-8d(21/2"x 0.113") — 3 staples 13/4" — 22 Wider than 1"x 8"sheathing to each bearing,face nail 3-8d (21/2"x 0.113") — 4 staples 13/4" — Flow 23 joist to sill or girder,toe nail 3-8d (21/2"x 0.113") — 24 1"x 6"subfloor or less to each joist 2-8d(21/2"x 0.113") — face nail 2 staples 13/4" — 25 2"subfloor to joist or girder,blind and face nail 2-16d(31/"x 0.135" — 26 Rim joist to top plate,toe nail(roof applications also) 8d(21/2"x 0.113") 6"o.c. 27 2"planks lank&beam-floor&roof) 2-16d (31/"x 0.135") at each bearing Nail each layer as follows: 28 Built-up girders and beams,2-inch lumber layers 10d(3"x 0.128") 32"o.c.at top and bottom and staggered.Two nails at ends and at each splice. 29 Ledger strip supporting joists or rafters 3-16d(31/ "x 0.135") At each joist or rafter (continued) 2009 INTERNATIONAL RESIDENTIAL CODE* 147 J WALL CONSTRUCTION TABLE R602.3(1)—continued FASTENER SCHEDULE FOR STRUCTURAL MEMBERS SPACING OF FASTENERS Intermediate DESCRIPTION OF BUILDING Edges supports'- ITEM MATERIALS DESCRIPTION OF FASTENER°,`` (inches)' (inches) Wood structural panels,subfloor,roof and interior wall sheathing to framing and particleboard wall sheathing to framing 30 3/"_1/" 6d common(2"x 0.113")nail(subfloor wau} 9 6 2 8d common(21/2"x 0.13 11 nail(roof) 6 12 31 5/16"_1/2" 6d common(2"x 0.113")nail(subfloor,wall) 6 129 8d common(21/2"x 0.131")nail (roof)r 32 19/32" 1" 8d common nail (21/2"x 0.131") 6 129 33 11/6"-11/4" 10d common(3"x 0.148")nail or 6 12 8d (21/2"x 0.131")deformed nail Other wall sheathing" 34 1/2"structural cellulosic 1/2"galvanized roofing nail,7/16"crown or 1" fiberboard sheathing crown staple 16 ga /4"long 3 6 .,11 35 25/32"structural cellulosic 13/4"galvanized roofing nail,1/16"crown or 1" 3 6 fiberboard sheathing crown staple 16 ga.,11/2"long 36 1/2"gypsum sheathings 11/2 galvanized roofing nail;staple galvanized, 7 7 11/2"long;11/4 screws,Type W or S 37 75/8"gypsum sheathings 13/4"gaavanized roofing nail;staple galvanized, 7 7 15/6"long;15/6"screws,Type W or S Wood structural panels,combination subfloor underlayment to framing 38 3/"and less 6d deformed(2"x 0.120")nail or 4 8d common(21/2"x 0.131")nail 6 12 39 7/6"_1„ 8d common(21/2"x 0.131")nail or 6 12 8d deformed(21/2"x 0.120")nail 40 11/"_11/" 10d common(3"x 0.148)nail or 6 4 8d deformed(21/2"x 0.120")nail 6 12 For SI: 1 inch=25.4 mm,1 foot=304.8 ram,1 mile per hour=0.447 m/s;lksi=6.895 MFa. a. All nails are smooth-common,box or deformed shanks except where otherwise stated.Nails used for framing and sheathing connections shall have minimum average bending yield strengths as shown:80 ksi for shank diameter of 0.192 inch(20d common nail),90 ksi for shank diameters larger than 0.142 inch but not larger than 0.177 inch,and 100 ksi for shank diameters of 0.142 inch or less. b. Staples are 16 gage wire and have a minimum'/,fi inch on diameter mown width. c. Nails shall be spaced at not more than 6 inches on center at all supports where spans are 48 inches or greater. d. Four-foot-by-8-foot or 4-foot-by-9-foot panels shall be applied Vertically. e. Spacing of fasteners not included in this table shall be based on Table R602.3(2). f. For regions having basic wind speed of 110 mph or greater,8d deformed(2'/Z"x 0.120)nails shall be used for attaching plywood and wood structural panel roof sheathing to framing within minimum 48-incb distance from gable end walls,if mean roof height is more than 25 feet,up to 35 feet maximum. g. For regions having basic wind speed of 100 mph or less,nails for attaching wood structural panel roof sheathing to gable end wall framing shall be spaced 6 inches on center.When basic wind speed is greater than 100 mph,nails for attaching panel roof sheathing to intermediate supports shall be spaced 6 inches on center for minimum 48-inch distance from ridges,eaves and gable end walls;and 4 inches on center to gable end wall framing. IL Gypsum sheathing shall conform to AM C 1396 and shall be installed in accordance with GA 253.Fiberboard sheathing shall conform to ASTM C 203. i. Spacing of fasteners on floor sheathing panel edges applies to panel edges supported by framing members and required blocking and at all floor perimeters only. Spacing of fasteners on roof sheathing panel edges applies to panel edges supported by framing members and required blocking.Blocking of roof or floorsheath- ing panel edges perpendicular to the framing members need not be provided except as required by other provisions of this code.Floor perimeter shall be supported by framing members or solid blocking. 148 2009 INTERNATIONAL RESIDENTIAL CODEa 1A MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT ADDRESS POSTING REQUIREMENTS ADDRESSES ASSIGNED IN MASON COUNTY ARE REQUIRED TO BE POSTED WITHIN 30 DAYS OF THEIR ASSIGNMENT. FOR QUESTIONS PLEASE CONTACT THE DEPARTMENT AT 360-427-9670 EXT 291 At such time that the Department of Community Development assigns an address, the property owner shall place, within thirty (30) days the assigned mile point number, in contrasting reflective material, at the driveway entrance so that it is clearly visible from the roadway in both directions. When there is a long shared driveway, easement or any situation where there could be confusion in finding an entrance, mile point numbers shall be posted together at the main access point, and at each turn and/or driveway entrance, in contrasting reflective material, to provide direction to the parcel. Recreational properties, parcels without structures and any other parcels with an assigned address shall affix said address with 30 days of assignment as described herein. Posting is required to the front of any structure within 30 days of its erection. Mile point number and or alphabetic unit designation posting shall contrast with any background, should be clearly visible on the front of the structure and shall meet the setback requirements as described below. Residential address numbers shall be Arabic numerals. Alphabetic designations will be of the English Alphabet. Single Family residence designations shall be a minimum of 4 inches high with a minimum stroke width of 1/2 inch. Water front properties with fire boat access shall post mile point numbers in a minimum of 6 inches with a 3/a inch stroke, the mile point number, in contrasting reflective material, on the front of a dock or post visible from the water. New and existing buildings shall have approved address numbers and or letters, building numbers and or letters or approved building identification posted in conformance with the addressing ordinance. Multi family residential, small commercial or small business designations: 50 feet or less setback shall post a 6 inch minimum with a 3/4 inch stroke. 50 feet or more setback shall post a 12 inch minimum with a 1 1/2 inch stroke. Designating unit on a building will be no less than 4 inches in height. Designating unit on a door will be no less than 2 inches in height. Large commercial or industrial structures designations: 100 foot setback or less shall post 18 inch minimum with 2 inch stroke. 100 foot setback or greater shall post 24 inch minimum with 3 inch stroke. MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT GUIDELINES FOR PRIVATE ROAD SIGNING ALL PRIVATE ROADWAYS IN MASON COUNTY MUST BE PRE-APPROVED BY THE MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT. IF YOU WISH TO REQUEST YOUR EASEMENT BE NAMED PLEASE CONTACT THE DEPARTMENT AT 360-427-9670 EXT 291 • Private roads not maintained by Mason County shall be signed in conformance with the addressing ordinance within Thirty (30) days of naming the private roadway. • Parcel owners using the private roadway shall be responsible for the cost and maintenance of private road signs. • Streets and roads shall be identified with approved signs. • Temporary signs shall be installed at each street intersection when development of new roadways allows passage by vehicles. • Signs shall be a minimum of 24 inches in length or a maximum of 60 inches to accommodate varying name lengths. • Height shall be a minimum of 8 inches with 5-inch letters describing the geographical indicator first then the road name ending in the road type indicator as described in the State Sign Fabrication Manual M55.05. • For example: • E Island Lake Dr • SE Brewer Rd • W Countryside Ct • Signs shall be of green permanent waterproof materials with white reflective lettering. All sign supports shall be of a breakaway design, having the ability to break away if struck by a vehicle. • The sign shall be a minimum height of seven feet from the bottom of the sign to surface of the ground, for visibility. • The sign shall be located as to not interfere with site distance or road maintenance operations. • Private road signing, placement and maintenance shall be the responsibility of the property owner(s). f MASON COUNTY FIRE MARSHAL �8 Mason County Bldg. III 426 W Cedar St PO BOX 186 Shelton,WA 98584 (360)427-9670 F-xt.273 CODE ENFORCEMENT FIRE INSPECTIONS FIRE INVESTIGATION PUBLIC EDUCATION TITLE 14 MASON COUNTY BUILDING CODE CHAPTER 14.17 Standards for Fire Apparatus Access Roads Effective July 1, 2007 14.17.010—This Ordinance shall not apply to roads, driveways, or other means of access to existing structures or within subdivisions of land developed under a permit from Mason County issued prior to the adoption of this Ordinance. 14.17.020 - Plans for fire apparatus access roads shall be submitted to the fire marshal for review and approval prior to construction. 14.17.030 - When required by the Fire Marshal; approved signs or other approved notices shall be provided and maintained for fire apparatus access roads to identify such roads and prohibit the obstruction thereof. 14.17:040 - Roadways shall be constructed/designed with an all weather driving surface (gravel, crushed rock, concrete or asphalt) and the ability to support the imposed load requirements of fire apparatus. 14.17.050 - Fire apparatus access roads shall extend to within 150' of all portions of the exterior wall of any residential or commercial structure, and within 50' of at least 25% of the exterior wall of any commercial structure. 14.17.060 - A fire apparatus access road shall be a minimum unobstructed width of 20' for commercial structures, or 4 or more parcels or building sites. The access road may be reduced to 12' of unobstructed width with a minimum 10' wide driving surface for 1-3 parcels or building sites on approval of the Fire Marshal. 14.17.070 -A fire apparatus access road shall have an unobstructed vertical clearance of not less than 12' the full width of the road. 14.17.080 - A 10' wide fire apparatus access road exceeding 300' in length will be required to make provisions for the passing of fire apparatus by providing approved pullouts. Pullouts shall be reasonably located, based on sight distance, road curvature, and grade; and shall be a minimum size of 8' wide and 30' long with tapered ends. 14.17.090 -A dead end fire apparatus access road longer than 300' is required to provide provisions for the turning around of fire apparatus within 150' of any facility or structure. See exhibit A—Hammer Head Turn Around, B—Modified Hammer Head, C- Cul De Sac Turn Around, D &E—Pullouts, for examples of accepted turnarounds and pullouts. 14.17.100 - The turning radius of a fire apparatus access road shall be a minimum of 25' interior, 45' exterior centerline radius. 14.17.110 -Afire apparatus access road in excess of 14% grade than 150' to new residential or commercial structures will require an automatic fire sprinkler system installed. 14.17.120 -Where more than 50 units are designed in a residential development, either single family, multifamily, retirement or similar,there shall be a minimum of two access points to the county road system. Such access points shall be located so as to provide for general circulation, alternate emergency vehicle access routes,through access, and general transportation design considerations. One of these access points may be for emergency vehicle use only where the number of units does not exceed 100. Design of an"emergency vehicle use only" access must be approved by the local fire district and Fire Marshal. 14.17.130 - When buildings are completely protected with an automatic fire sprinkler system,the provisions of these standards maybe modified by the Fire Marshal. 14.17.140 - When a bridge is required as part of a fire apparatus access road, it is to be constructed and maintained in accordance with nationally recognized standard. It shall have designed live loading capacity sufficient to carry the imposed load of fire apparatus. An evaluation by a professional engineer will be required to determine the imposed load rating for all of the responding fire districts fire apparatus and shall be approved by the Fire District and Fire Marshal. 14.17.150 - When access roads cannot be installed to these standards due to topography, waterways, nonnegotiable grades or other similar conditions,the Fire Marshal is authorized to require additional fire protection or mitigation as specified in Section 1001.9 of the UFC. The Fire Marshal may also approve access roads which do not meet these requirements if the road provides reasonable access under the individual facts of the case. 14.17.160 -Approved numbers or addresses shall be placed on all new commercial or residential buildings (that require an address), at the beginning of long driveways when the address is not clearly visible from the access road, or in any other areas deemed necessary by the local fire district or Fire Marshal. They shall be placed in such a position as to be plainly visible and legible from the street or road fronting the property. Said numbers shall contrast with their background. 14.17.17.0—Traffic calming measures on fire apparatus roads (speed bumps, etc) shall be approved by the Fire Marshal before installation. MASON COUNTY FIRE MARSHAL Mason County Bldg. III 426 W Cedar St PO BOX 186 Shelton,WA 98584 (360)427-9670 Ext 273 CODE ENFORCEMENT FIRE INSPECTIONS FIRE INVESTIGATION PUBLIC EDUCATION Cul De Sac Turn Around Area required for turn around located at a single residence. in this special case,the area could,for instance,consist of pasture adjacent to the building and will to continue to function as a.viable turn around in adverse weather conditions(ie remains solid in any weather). Requirements for roads 20'in width and commerical sites Requirements for roads 12'in width R4 R4 R2 Driving surface 33 in this area Driving surface is not required in this area is not required R28 8 R4 40 2 Minimum 1 MASON COUNTY FIRE MARSHAL Mason County Bldg.III 426 W Cedar St PO BOX 186 Shelton,WA 98584 (360)427-9670 Ext.273 CODE ENFORCEMENT FIRE INSPECTIONS FIRE INVESTIGATION PUBLIC EDUCATION Hammer Head Turn Around Direction may be right or left direction(left direction is shown) OVERHANG AREA-Driving surface in this area is not required. No obstructions greater than twelve(12) inches in height are allowed Area required for turn around located at a single residence. In this special case,the area could,for instance,consist of pasture adjacent to the building and will to continue to function as a viable turn around in adverse weather conditions(ie remains solid in any weather). Requirements for roads 20'in width and commerical sites 90 g R2 5 r-25 Requirements for roads 12'in width 90 10 40 1 R28 8 MASON COUNTY FIRE MARSHAL A Mason County Bidg. III 426 W Cedar St PO BOX 186 Shelton,WA 98584 (360)427-9670 Ext.273 CODE ENFORCEMENT FIRE INSPECTIONS FIRE INVESTIGATION PUBLIC EDUCATION Modified Hammer Head Direction may be right or left direction (left direction is shown) OVERHANG AREA-Driving surface in this area is not required.. No obstructions greater than twelve(12) inches in height are allowed Area required for turn around located at a single residence. In this special case, the area could, for instance, consist of pasture adjacent to the building and will to continue to function as a viable turn around in adverse weather conditions (ie remains solid in any weather). Requirements for roads 20' in width and commerical sites Requirements for roads 12' in width 18 1 10 10 5 8 18 010 0 90 1 90 1 0 R2 8 2 1 " s n 0 m m Turnouts o Any dead end fire apparatus access road loner than 300 feet shall have provisions for the turning around of 0 fire apparatus within 150 feet of any structure or facility and have approved provisions for the passing of fire W -U 9 apparatus. z o W o No If turnouts are used to accomodate the passing of fire apparatus, they shall be reasonably located based on O sight distance, toad curvature and grade. Turnouts shall be a minimum of 8 fet wide and 30 feet long with W Z CL tapered ends. .� N a w n m WDm O Note: Only access roads which do not maintain continuous width of 20 feet or more need turnouts. z cn �(, Z m Turnouts may be placed on either side of the -n access road. Adequate sight distance between z ;p turnouts must be maintained. M _n Greater than 300 feet m (n m 2 o z D' m a Dead End Access Road (Width: Minimum 12 feet) QCo wo Cn Facility or z Tapered Ends structure located no further than 150 feet from the last turnout W r m 0 c n D O z Below is a list of items that building inspectors will typically inspect during a final inspection. Each structure is unique and may contain components that are not included in the list. To obtain temporary occupancy approval life safety requirements must be completed and approved. Temporary occupancy is valid for not more than 180 days (6 mo.). If numbers follow the statement refer to the Plan Review Checklist. 1. Post address in a permanent manner, plainly visible and legible from the street or road fronting the property. Number must contrast with their background. For more information see Standards. For Apparatus Access Roads &# 78 2. All exit doors shall have proper landings including guardrails and handrails, as needed. Pay attention to stair rise/run and picket spacing. (The largest riser and/or tread may not.exceed the smallest by more than 3/8") See deck detail handout and item #31. 3. Smoke detectors must be operational and located in all sleeping rooms and on each floor. If a ceiling adjoining the hallway to the sleeping rooms rises more than 24"a smoke detector will be required in that room as well. #3. 4. The HVAC system will be inspected for code compliance including combustion air if gas appliance, duct installation, cold air return, etc. #15, #20. S. Garage firewall penetrations, 20-minute rating etc. See items 23 &24 on the plan review checklist. 6. Handrails and guardrails, where required must be installed inside and outside. See deck detail handout and items #32 & #33. 7. Exhaust fans, including kitchen, must be vented to the outside with dampers. Dryer ducts must also be vented to the outside. See items #6,7,8, and 99-104 on the plan review checklist. 8. In bathrooms, toilets, tubs, and showers must be in working order and be caulked to the wall and floor coverin . 9 9. Caulk and seal all penetrations where conditioned and unconditioned spaces communicate including electrical and plumbing penetrations/openings to wallboard/wall covering (exterior walls, floors, and ceilings). #98 10. P-Traps must be installed at all plumbing locations. 11. Corrections, if any, will be checked. Sometimes there are corrections from previous inspections remaining in the crawlspace or attic. 12. Divert drainage away from the building (gutters, downspouts, splash blocks, etc.). Backfill must be sloped away from the structure (at least 2%), measured 10-feet from the structure. #48, #74 13. Listed non-removable back flow preventer, hose type vacuum breaker must be installed on all exterior frost-free hosebibs. #21 14. Insulation in attic and crawlspace, weather-strip and insulate attic access and crawlspace, if located inside the structure. #88,89,9,91,92 15. Compliance to Ventilation and Indoor Air Quality Code—fresh air, whole house fan, etc.#`s 99.10,101,102,103 & 104. 16. Exterior building must be sealed where penetrations occur (windows, vents, hose bibs, conduits, seams, etc.) 17. Installation of fireplace or stove, if applicable. #'s 11,12,13,14,15,20, &77 18. All wood exposed to weather or is in contact with concrete or soil shall be pressure treated or naturally resistant to decay. Field applied treatment is not approved. Treatment must be applied by the manufacturer. READ plan review checklist numbers 56 & 69. 19. Water heater strapped with 22g upper and lower 1/3, 22g pan under water heaters on wood floors,T&P valve installation, pipe and water fines insulated in unheated spaces. See item 18 on the Plan Review Checklist. 20. Check crawlspaces. Insulation installed, 6 mil black vapor barrier overlapped 12 inches, all plumbing supply lines insulated, HVAC ducts properly supported, all corrections from previous inspections completed. 21. And finally.... Read the conditions of your permit and check to make sure geo-technical requirements, if any, are completed. STRUCTURAL ANALYSIS AND DESIGN OF 8' x 24' REPLACEMENT SUNDECK BUILDING 8340 SR-106, Union, WA 98592 (Parcel #: 32234-43-00240) RECEIVED NOV 10 2015 426 W. CEDAR ST. Prepared for: Rick Davenport 8340 SR-106 Union, WA 98592 (206) 658-7683 cell Prepared by: MET Engineering, PLLC 1018 E. Wishkah St. Aberdeen, WA 98520 (360) 310-0Z70 h (360) 289-0958 c (360) 861-8493 f Contact: Steven P. Morta, P.E. e-mail: Smorta(aaol.com �ltiN P.MO WASy��P)9 November 6, 2015 ,p 30758 p �, �'S`S1ONAI-E�G`� e Z/I t Goggle Maps 8340 WA-106 flninn — _ IWNwn Go gle Map data©2015 Google 1000 ft I k 8340 WA-106 Union, WA 98592 F, q+aornasomco.urasonmays march legend Livers Jf F:. -•i ii i:.: . r• •alS' c,troraa�` r ✓ Cl.of-` C T in6 h:•-,U•asp' C•, :.Y.a se.Sa.wlY p. r ax+.-LfY �.,c•uaifY :�9Ci..s •ate i�TE' ... F,. _JI v at:i r cost✓:.,r-nn .OLi.>ir w >• � • . 'COr v>V 4. M Wu Rdnmb"ap Auto AdFok 'J,:Drrr,.r } x a J,. iy Cosa✓-w..a � ��- ��"� � 'a+X �,• .�_✓r� vCp�- :� "''.i G• sa•YYY.ii-•trri rv> .y .y.+.: ,a nV 1O1^" Zo m to • ZOM Factor: M2 ; • Zoom to Point - u.rr/•�•r.co a:�.r OM * w0 = Opf ti v This is an aerial view of the project site located at 8340 SR-106, Union, WA as shown above with a parcel number of 32234-43-00240. N REPLACEMENT OF EXISTING 8'x 24'SUNDECK (Parcel#: 32234-43-00240) S (REFER TO ATTACHED PARCEL MAP) 56 SUNDECK REPLACEM (SAME"FOOT'RIN7"q� DREA EC Z OLD h 33' 59' NTS (Not To Scale) SCALE: V=2 FEET 0' 5' 10, 15, 20' REPLACEMENT OF EXISTING DECK for Property Prepared by: MET Engineering,PLLC,1018 E.Wishkah St,Aberdeen,WA 98520 Located at 8340 SR-106, Union,M 98592 (360)289-0958, (800)590-0958,(360)861-8493 fax,Smorta@aol.com Prepared for:Rick Davenport,8340 SR-106, Union,WA 98592,(206)658-7883 cell Nov.6,2015 Site Visit on Wed.9-29-2015 SHEET 1.0 - I ss 24'x 8'SUNDECK-REPLACEMENT (Parcel#: 32234-43-00240) MUST MEET ALL CURRENT THESE PLANS MUST BE WASHINGTON STATE CODES ON THE JOB SITE FOR INSi=ECTION AA ao ti FRONT VIEW CHANGES � SIDE VIEW UBMIT CHANGI S I Oil APPROVAL W ;n PRIOR TO PURI(`RIAING WORK LLI U- 14'-0" 14'-0" 3 N I 13 -0"ELEV. o JB28 TOP FLANGE 31i HANGERS , , , , 4"MAX. PICKET -- - _ --- - SPACING 10' 0"ELEV - . (VERIFY HT IN FIELD) E01 o L-W I O CV 5.5"x 12"x 14 FT P.T. 5.5"x 12'x 14 FT P.T. I SECURE PRESSURE TREATED U 2x8FACIA \2,x8x8'DFP.T.FLOOR , oGLU-LAM BEAM(F24-E4) GLU-LAM BEAM(F24-E4) P.T.BOARD ISTS @ 16"O.C. , 2 x 10 LEDGER TO EXISTING m CC466 i� 2 x 6 STUDS WITH TWO(2) GLV COLUMN CC466 CCQ-66 i RING SHANK GALV NAILS o 0 j CAP p GLV COLUMN GLV COLUMN W H10A GALV ; PER STUD N ® � 6- � W CAP S6 9 CAP HURRICANE U) W U) Z CLIPS @ EA. N c j ? Z o U) !~5 I.- FLR JOIST m o� o O ~ j F- Z O 2 EXISTING 2 x 6 STUDS E 4 C-� O = o a O ON EXISTING NORTH lj tl O tl d LL] i (HOOD CANAL)FACING Q g = CB-66 GALVANIZED\ I- W W _ WALL. a '� (A X LL COLUMN BASE, c(D C- 2 x c Y,°�° � co HOOKED TO#4 REBAR x � LL _ Co co� I r H o cn CD ba 6 W CO w N CD 'Lu V<t7) z. i DATUM 0'-0"ELEVATION N �1t y Lr. -(I-0")ELEV. o w z n N 3 x 3 x 1'CONCR. C- 2 x 10 P.T.LEDGER,TWO(2)16d FOOTING(844 REBAR RING SHANK NAILS PER EQUALLY SPACED COMPACT SUBGRADE EXISTING STUD IN N.WALL AA EACH WAY) WITH 2O0+VIBRATORY PLATE COMPACTOR TOP VIEW PRIOR TO FORMING z01S WITH THIS ENGINEER PRESENT. � P. tilp 5 SJB28 TOP �� of WAS/i��j. o, LL ci FLANGE ��� C 9 NCO a f, HANGERS F.� O c8 -8 tfC'4 o 00U 0� °° x e N >CO 00 x cn p .Q 30758 O cck' o Q N O N"TREX"(OR EQUIVALENT �F3'SJOALE�G�� OUTDOOR DECKING)IN- o `O STALLED PER MANUFAC- TURER'S SPECIFICATIONS. LpageProject:RICK DAVENPORT-8'x 28'SUNDECK 'OSteven P.Morta Location:6 x 6 x 10'P.T.DECK COLUMN '' MET Engineering,PLLCColumn 1018 E.Wishkah St. [2012 International Building Code(2012 NDS)] _ Aberdeen,WA 98520 5.5INx5.5INx10.0FT #2-Douglas-Fir-Larch(North)-Dry Use StruCalc Version 9.0.1.4 11/5/2015 3:49:14 PM Section Adequate By:49.5% VERTICAL REACTIONS LOADING DIAGRAM Live Load: Vert-LL-Rxn= 6720 lb Dead Load: Vert-DL-Rxn= 1184 lb Total Load: Vert-TL-Rxn= 7904 lb COLUMN DATA Total Column Length: 10 ft B Unbraced Length(X-Axis)Lx: 10 ft Unbraced Length(Y-Axis)Ly: 10 ft Column End Condtion-K(e): 1 Axial Load Duration Factor 1.00 COLUMN PROPERTIES #2-Douglas-Fir-Larch(North) Base Values A lusted Compressive Stress: Fc= 700 psi Fc'= 518 psi Cd=1.00 Cp=0.74 Bending Stress(X-X Axis): Fbx= 725 psi Fbx'= 725 psi Cd=1.00 CF=1.00 loft Bending Stress(Y-Y Axis): Fby= 725 psi Fby'= 725 psi Cd=1.00 CF=1.00 Modulus of Elasticity: E= 1300 ksi E'= 1300 ksi Column Section(X-X Axis): dx= 5.5 in Column Section(Y-Y Axis): dy= 5.5 in Area: A= 30.25 in2 Section Modulus(X-X Axis): Sx= 27.73 in3 Section Modulus(Y-Y Axis): Sy= 27.73 in3 Slenderness Ratio: Lex/dx= 21.82 Ley/dy= 21.82 A Column Calculations(Controlling Case Only): Controlling Load Case:Axial Total Load Only(L+D) AXIAL LOADING Actual Compressive Stress: Fc= 261 psi Live Load: PL= 6720 lb Allowable Compressive Stress: Fc'= 518 psi Dead Load: PD= 1120 lb Eccentricity Moment(X-X Axis): Mx-ex= 0 ft-lb Column Self Weight: CSW= 64 lb Eccentricity Moment(Y-Y Axis): My-ey= 0 ft-lb Total Load: PT= 7904 lb Moment Due to Lateral Loads(X-X Axis): Mx= 0 ft-lb Moment Due to Lateral Loads(Y-Y Axis): My= 0 ft-lb Bending Stress Lateral Loads Only(X-X Axis): Fbx= 0 psi Allowable Bending Stress(X-X Axis): Fbx'= 725 psi Bending Stress Lateral Loads Only(Y-Y Axis): Fby= 0 psi Allowable Bending Stress(Y-Y Axis): Fby'= 725 psi i Combined Stress Factor: CSF= 0.5 NOTES Project: RICK DAVENPORT-8'x 28'SUNDECK _�t_i{e page ter+, Steven P.Morta p Location:6 x 12 x 14 FT GLU-LAM(24F-E4)-EXT.BEAM cam, MET Engineering,PLLC a `� Uniformly Loaded Floor Beam 1018 E.Wishkah St. or [2012 International Building Code(2012 NDS)] Aberdeen,WA 98520 5.5INx12.0INx14.0FT 16F-E2-E-Rated Western Species-Dry Use StruCalc Version 9.0.1.4 11/5/2015 3:31:44 PM Section Adequate By:49.7% Controlling Factor: Deflection DEFLECTIONS Center LOADING DIAGRAM Live Load 0.31 IN U539 Dead Load 0.06 in Total Load 0.37 IN U454 Live Load Deflection Criteria: U360 Total Load Deflection Criteria: U240 REACTIONS A B Live t ood 2800 lb 2800 !b !! I Dead Load 520 lb 520 lb 1 I Total Load 3320 lb 3320 lb Bearing Length 1.61 in 1.61 in BEAM DATA Center Span Length 14 ft — -- - — -- -- - -- --- --- Unbraced Length-Top 0 ft A 14 ft _ Floor Duration Factor 1.00 Camber Adj. Factor 1.5 Camber Required 0.09 Notch Depth 0.00 FLOOR LOADING MATERIAL PROPERTIES Side 1 Side 2 Floor Live Load FLL= 100 psf 40 psf 16F-E2-E-Rated Western Species Floor Dead Load FDL= 15 psf 15 psf Base Values AAd'usted Floor Tributary Width FTW= 4 ft 0 ft Bending Stress: Fb= 1600 psi Controlled by: Fb cmpr= 1050 psi Fb'= 1600 psi Wall Load WALL= 0 plf Cd=1.00 Shear Stress: Fv= 215 psi Fv'= 215 osi BEAM LOADING Cd=1.00 I Beam Total Live Load: wL= 400 plf Modulus of Elasticity: E= 1400 ksi E'= 1400 ksi Beam Total Dead Load: wD= 60 pif Comp.-L to Grain: Fc-1= 375 psi Fc--L = 375 psi Beam Self Weight: BSW= 14 plf Total Maximum Load: wT= 474 plf Controlling Moment: 11621 ft-lb 7.0 ft from left support Created by combining all dead and live loads. Controlling Shear: -3320 lb At support. ICreated by combining ail dead and live ioads. i Comparisons with required sections: Read Provided Section Modulus: 87.15 in3 132 in3 Area(Shear): 23.16 in2 66 in2 Moment of Inertia(deflection): 529.12 in4 792 in4 Moment: 11621 ft-lb 17600 ft-lb Shear: -3320 lb 9460lb NOTES I I i page Project:RICK DAVENPORT-8'x 28'SUNDECK ik=--++!Steven P. Morta C3 Location:6 x 12 x 14 FT GLU-LAM(24F-E4)-EXT.BEAM MET Engineering,PLLC Uniformly Loaded Floor Beam 1018 E.Wishkah St. o [2012 International Building Code(2012 NDS)j -Aberdeen,WA 98520 5.5 IN x 12.0 IN x 14.0 FT 16F-E2-E-Rated Western Species-Dry Use StruCalc Version 9.0.1.4 11/5/2015 3:31:46 PM Section Adequate By:49.7% Controlling Factor: Deflection VMD DIAGRAM 4000 3320 Ibs @ 0 ft 2000 Shear(tbs) 0 -2000 -4000 .3320 Ibs @ 14 ft 20000 11621 ft-Ibs @ 7 ft 10000 Moment(ft-lb) 0 -10000 -20000 -0.4 -02 Deflection(in) 0 0.2 0.4 0.312in@7ft 14 ft I i Project: RICK DAVENPORT-8'x 28'SUNDECK `'/x' page . —— Steven P.Morta l(� Location:2 x 8 x 8 FT SUNDECK FLOOR JOISTS w/2'CANTILEVER MET Engineering,PLLC Floor Joist 1018 E.Wishkah St. [2012 International Building Code(2012 NDS)] _ Aberdeen,WA 98520 1.5INx7.25INx8.0FT(6+2)@ 16O.C. #2-Douglas-Fir-Larch(North)-Dry Use StruCalc Version 9.0.1.4 11/5/2015 3:38:34 PM Section Adequate By:83.8% Controlling Factor: Deflection DEFLECTIONS Center Right LOADING DIAGRAM Live Load 0.05 IN U1412 -0.05 IN 2U882 Dead Load 0.01 in 0.00 in Total Load 0.06 IN U1272 -0.06 IN 2U828 Live Load Deflection Criteria:U480 Total Load Deflection Criteria: U360 REACTIONS A B Live Load 400 lb 711 lb Dead Load 53 lb 107 Ib Total Load 453 lb 818 lb Uplift(1.5 F.S) -9 lb 0 lb Bearing Length 0.48 in 0.87 in 01-10111 BEAM DA Center E! h1 — Span Length E ft 2 ft T s rc _ 2 ft Unbraced Length-Top O ft O ft A Unbraced Length-Bottom 0 ft 0 ft Floor sheathing applied to top of joists-top of joists fully braced. Floor Duration Factor 1.00 JOIST LOADING MATERIAL PROPERTIES Uniform Floor Loading Center Right Live Load LL= 100 psf 100 psf #2-Douglas-Fir-Larch(North) Dead Load DL= 15 psf 15 psf Base Values A m to Total Load TL= 115 psf 115 psf Cd=1.00 CF=1.20 Cr--1.15 Bending Stress: = 850 psi Fb' 1173 psi TL Adj. For Joist Spacing wT= 153.3 plf 153.3 plf Shear Stress: Fv= 180 psi Fv'= 180 psi Cd=1.00 Modulus of Elasticity: E= 1600 ksi E'= 1600 ksi i Comp.-L to Grain: Fe-1= 625 psi Fc--L'= 625 psi Controlling Moment: 670 ft-lb 2.94 Ft from left support of span 2(Center Span) Created by combining all dead loads and live loads on span(s)2 Controlling Shear: -511 lb At right support of span 2(Center Span) Created by combining all dead loads and live loads on span(s)2, 3 comparisons with required sections: i'cg'd F,ovided f Section Modulus: 6.86 in3 13.14 in3 Area(Shear): 4.26 in2 10.88 in2 Moment of Inertia(deflection): 25.92 in4 47.63 in4 Moment: 670 ft-lb 1284 ft-lb Shear: -511 lb 1305lb NOTES I i I 1 I i Project:RICK DAVENPORT-8'x 28'SUNDECK ;; Lf r 14Steven P.Morta Location:2 x 8 x 8 FT SUNDECK FLOOR JOISTS w/2'CANTILEVER MET Engineering,PLLC Floor Joist 1018 E.Wishkah St. (2012 International Building Code(2012 NDS)j Aberdeen,WA 98520 1.5 IN x 7.25 IN x 8.0 FT(6+2)@ 16O.C. #2-Douglas-Fir-Larch(North)-Dry Use StruCalc Version 9.0.1.4 11/5/2015 3:38:36 PM Section Adequate By:83.8% Controlling Factor: Deflection VMD DIAGRAM 600 409 Ibs @ 0 ft 300 Shear(Ibs) 0 -300 -600 -511Ibs@6ft 700 670 ft-Ibs:0 3 ft i 350 Moment(ft-lb) 0 -350 -700 -40 ftdbs @ 6 It -006 0.064in@8ft -0.03 Deflection(in) 0 0.03 i 0'06 0.061 in@aft Eft 2ft i i ,6LIS SLE 7 r/r-A,)rO2 T/ R,1 G K COPYbFC :- Rr/ LICICEM Fnl S �2-z3 60Z �d REVIEWED FOR CODE COMPLIANCE MASON COUNTY BUILDING DEPARTMENT _Z�fS C k Date Documenis attached to approved plans: Site Plan Plan review checklist: FS Pa e Engineering: & N a Ic Number of pages_. Plans include S pages of engineering documents that must remain attached to approved plans MUST MEET ALL CURRENT WASHINGTON STATE CODES CHANGES SUBMIT CHANGES I-OR APPROVAL PRIOR TO PERFORMING WORK THESE PLANS MUST BE ON THE JOB SITE FOR INSPECTION