HomeMy WebLinkAboutBLD2024-00933 MFG Home - BLD Inspections - 12/20/2024 T
MASON COUNTY 615 W.Alder St.Bldg 8,SHELTON,WA 98584
� SHELTON:360-427-9670,EXT 352
t COMMUNITY SERVICES BELFAIR:360-275-4467,EXT 352
Building,Planning,Environmental Health,CommunityHealdi ELMA:360-482-5269,EXT 352
` www.co.mason.wa.us
INSPECTION CARD AND CERTIFICATE OF OCCUPANCY**
To schedule an inspection call or visit http://www.co.mason.wa.us/community-services/bid-inspection.php
Permit Number BLD2024-00933 Date Issued 08/26/2024 Issued By
Project MFG HOME
Site Address 61 E RIDGEVIEW DR
Applicant LYONS DAVID&TERESA
Contractor MB DIRTWORKS LLC
Contractor Phone 253-861-8426
Primary Code UPC IBC,IRC,IFC,IEC,IMC,& Type
Permit Type MANUFACTURED HOME Occupancy
-APPROVED PLANS MUST BE ONSITE FOR ALL INSPECTIONS.
-DO NOT PROCEED BEYOND EACH STAGE OR COVER WORK UNTIL APPROVAL IS GRANTED.
-THIS CARD MUST BE POSTED IN A CONSPICUOUS LOCATION,FRONT OF THE PREMISES IS BEST FOR MAKING ENTRY.
-ALL PERMITS EXPIRE 180 DAYS AFTER THE PERMIT IS ISSUED OR 180 DAYS AFTER DATE OF LAST INSPECTION.
-OWNER/AGENT IS RESPONSIBLE FOR REQUESTING ALL INSPECTIONS THROUGH FINAL INSPECTION.
**THIS STRUCTURE MAY NOT BE USED OR OCCUPIED UNTIL ALL APPROVALS ARE GRANTED.**
PRIOR TO CALLING FOR FINAL INSPECTION,ALL CONDITIONS OF THE PERMIT MUST BE MET
Public Works Access/Driveway Other
Health Septic Well
Deptartment
Planning Site Inspection
Department
Fire Marshall Fire Apparatus Access Fire Sprinkler
Auto Fire Alarm Hood and Duct
Other Final
Building Building Official: Community Services Designee
Department
Concrete Setbacks Slab
Footing Perimeter Point load Footing
Footing Interior Footing Decks/Porches
Foundation Stem Walls Other
Rough-In Groundwork Plumbing Framing
Groundwork Mechanical Plumbing
Groundwork Gas Pipe Mechanical
Gas Piping Shear Wall Nailing
Underfloor
Other
Insulation Slab Ceiling
Floor Vaulted Ceiling
Walls Vapor Barrier
Other
Wallboard Interior Wall Brace Panels Fire Walls
Nailing
Other
Final Building
Manufactured Setbacks Setup
Home /a fJ'/L� .,t?� 12/q/zq Tk
Concrete Foot/Runners jp1,J zy Final iZ/20/2 N —'T&�
Other
F"I O c- I IA�ONVS I�Lc
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INSPECTION RESULTS Page
MASON COUNTY INSPECTION
of Community Development
COMMUNITY DEVELOPMENT 615 W Alder St, Shelton, WA 98584
Permit Assistance Center,Budding,planning (360) 427-9670 ext. 352
Application# BLD2024-00933 Application Type MANUFACTURED HOME Owner LYONS DAVID &TERESA
Parcel# 320215903017 Site Address 61 E RIDGEVIEW DR SHELTON, WA 98584
Inspector Inspection Type Date Status Comments
10-7-24-JQ
p„d�es Z'C'w4 Per the approved pier plan marriage line piers B & C shall be thickened with a
loly /lzq 3k 3"6x30x10 footing current condition 6" slab only Please correct
Joshua All embedded rebar shall be tied together to prevent displacement during pour and
Quarders FOOTING INSPECTION 10/07/2024 FAIL be suspended 3" above grade some areas are laying on grade with adobes. please
remove any wood used as a rebar saddle.
OK to send photos
DO NOT pour UNTIL photos are received
r'
INSPECTION RESULTS Page
MASON COUNTY Department of Community Development
COMMUNITY DEVELOPMENT 615 W Alder St, Shelton, WA 98584
Permit assistance Center,Building,➢kaalning (360) 427-9670 ext. 352
Application# BLD2024-00933 Application Type MANUFACTURED HOME Owner LYONS DAVID &TERESA
Parcel # 320215903017 Site Address 61 E RIDGEVIEW DR SHELTON, WA 98584
Inspector Inspection Type Date Status Comments
1 -2-24-JQ
Freshwater supply line is missing 3'of insulation pipe wrap please install where
;
Joshua SET-UP INSPECTION 12/02/2024 FAIL supply comes through underbelly fabric at valve location.
Quarders
OK TO SEND PHOTOS
DO NOT SKIRT UNTIL PHOTOS ARE RECEIVED
12 Iq Iz%A vk-Tkt;s 1�Je Zk
�0I IN MASON COUNTY Mason County Permit Center Use:
COMMUNITY SERVICES ADv 2e Z-q - U)A--1 )
Building,Planning,Environmental Health,Community Health
'\N"-RIWW—Frl 615 W.Alder St.—Bldg.8,Shelton,Wa 98584 Date Rcvd
Phone:(360)427-9670 ext.352•Fax:(360)427-7798
Fee: $130.00
Request for Administrative Variance for
Reduction in the Required Setbacks
For administrative review,the minimum variance on a setback request is 5 feet from the side yard lot
lines and 10 feet for front and rear lot lines or any access easement.Request for further reduction
requires a standard variance. Setbacks are measured from the furthest projection of the structure,
including roof eaves and gutters.
Applicant/Owners: R V I6L 6t, L on s
Mailing Address: 1 �j U 5 rn 6L)v Lj LA _ V 1 C� ►✓i�1�
City: 1z v State: 0 IL Zip:
Telephone: " 50-3 - 7& - b3`4 Z. h/l(,L l f'L, ( + -
Tw�c.n� C �►�.P b.�
Email: (.L
, �,�(,.�(,✓hl. �53- 11 - 3 Sq L4
If this reduction is tied to a building permit,please give permit case number.
BLD
Parcel Number(s): \�3 2.62r 1 - 0 9 - Q&I Zoning
Site Address: I
Requested setback variance:
ft. Front ❑ Rear ❑ Side
ft ❑ Front ❑ Rear 14 Side Wa�
ft. ❑ Front ❑ Rear ❑ Side
ft ❑ Front ❑ Rear ❑ Side
Front Setbacks-From access easements and road right of ways. Minimum 10 feet.
Rear Setbacks-From the rear property line. Minimum 10 feet.
Side Setbacks-From the side property line. Minimum 5 feet except for certain shoreline designations.
An illustrated site plan is required.
Your site plan must show the following: north arrow, abutting street or easements, and set backs to all
property lines and existing buildings, slopes, surface water, wetlands, critical areas, septic,well and
driveway. Show all proposed new development.
RONT D OR REAR YARD REDUCTION RE UESTS:
For ex ing lots of record as of March 5, 2002;
You must meet one of the following:
1) One of the following exists on the lot(check all that apply):
❑ a) steep slopes,wetlands, or streams present;
❑ b) soils that restrict building or septic development;
❑ c) lot width at the front yard line of no more than 50 feet;
❑ d lot size of no more than one-fourth acre;
ex' ting improvements of buildings, septic systems, and well areas.
SV E Y REDUCTION REQUESTS:
F �isfi lots of record as of March 5, 2002;
You must meet one of the following:
2) One of the following exists on the lot(check all that apply):
❑ a) steep slopes,wetlands, or streams present;
❑ b) soils that restrict building or septic development;
❑ c) lot width at the front yard line of no more than 50 feet;
❑ d) lot size of no more than one-half acre;
J e) existing improvements of buildings, septic systems, and well areas.
_�J Explain how these circumstances preclude a reasonable development proposal from meeting the
setback standard for Rural Residential 2.5, 5, 10, or 20 zones.
C� Iv - . w�
� I
Owner/Age�(pleaseind�icate)
Si a Date
Official Use Only
Approved by: Date
Denied by: Date
Reason for denial-
Mason County
Mason County - Division of Community Development
615 W.Alder St.
Building 8
Shelton, WA 98584
360-427-9670 ext 352
www.masoncountywa.gov
B DD2024-00933 MANUFACTURED HOME
PROJECT DESCRIPTION: MFG HOME ISSUED: 08/26/2024
SITE ADDRESS: 61 E RIDGEVIEW DR SHELTON
EXPIRES: 02/22/2025
PARCEL: 320215903017
APPLICANT: LYONS DAVID&TERESA OWNER: LYONS DAVID&TERESA
1305 MOUNTAIN VIEW DR 1305 MOUNTAIN VIEW DR
FOREST GROVE,OR 97116 FOREST GROVE,OR 97116
1.503.784.8342
OWNER'S REP: Jason Campbell OWNER'S REP: Jason Campbell
11211 133rd tE 11211 133rd tE
PUYALLUP,WA 98374 PUYALLUP,WA 98374
1.253.241.3594 1.253.241.3594
GENERAL CONTRACTOR'S LICENSE: MB DIRTWORKS LLC License: MBDIRD`801KR
14904 272ND AVE E Expires: 06/05/2026
BUCKLEY,WA 98321
253-861-8426
FEES: Paid Due
Modular/Manufactured Home $275.00 $0.00
Fee-2nd half collected at ready
to issue
State Fee-Residential $6.50 $0.00
Planning Residential Review $240.00 $0.00
Fee
Building Plan Review/Change of $135.00 $0.00
Use-Onsite Sewage
Modular/Manufactured Home $275.00 $0.00
Fee- 1st half collected at
submittal
Technology Surcharge $11.00 $0.00
Totals : $942.50 $0.00
REQUIRED INSPECTIONS
Printed by:Anna Schaffran on:08/26/2024 08:26 AM
Page 1 of 5
l �
Mason County
Mason County - Division of Community Development
615 W. Alder St.
Building 8
Shelton, WA 98584
360-427-9670 ext 352
www.masoncountywa.gov
MANUFACTURED HOME BLD2024-00933
Setback Inspection Connection is to be verified by Health or Utilities
Footing Inspection BLD-Final Inspection
Set-Up Inspection
------------------------
CONDITIONS
* Contractor registration laws are governed under RCW 18.27 and enforced by the WA State Dept of Labor and Industries,
Contractor Compliance Division. There are potential risks and monetary liabilities to the homeowner for using an
unregistered contractor. Further information can be obtained at 1-800-647-0982. The person signing this condition is either
the homeowner, agent for the owner or a registered contractor according to WA state law.
* When parcel development requires direct access to state road(s), a Road Access Permit or Approval must be granted and
approved by the Washington State Department of Transportation. For more information contact Washington State
Department of Transportation,at(206)357-2620, ext.630.
-------------------- ............................................A...... _
* If you are installing a manufactured structure and no longer have the installation manual,you must use the instructions of
the most current 24 CFR.
______-------------------_------------------_----------------_-------------___________________________________.
* All construction must meet or exceed all local and state ordinances in addition to the International Codes requirements as
adopted and amended by Mason County and the State of Washington. Occupancy is limited to the approved and permitted
classification. Any non-approved change of use or occupancy would result in permit revocation.
* ~All property lines shall be clearly identified at the time of foundation inspection.
----------------------------------------------_-----------_-----------------_---------_______.
* The installation permit shall be displayed in clear view of the site access road.The approved site plan and other applicable
instructions, including installation instructions,shall be available in this location OR placed in the location specified by WAC
296-150M. Support configuration shall be clearly marked in the installation instructions.
-------------------------------------------------------
* All changes to"approved"building plans that effect compliance with the international codes as amended and adopted,or
any other Mason County ordinance or regulation, must be reviewed and approved by Mason County prior to construction.
---------------------_---------_____-------------------------------------.__.._______-___._.
* The foundationffooting must be placed on undisturbed,firm-native soil. Proper frost depth, minimum 12 inches,shall be
observed below grade in undisturbed soils.
........................ .....n.., . ,._...w.._ ................................
a .. _
* All RED stamped approved plans are required to be on-site for inspection purposes. If an inspection is called for and
plans are not available on site,then approval will not be granted. In addition, a re-inspection fee(refer to current fee
schedule, minimum 1 hour)will be charged and must be collected by the Building Department prior to any further inspections
being performed or approvals granted.
-----------------------------------------------------------_-------------------------------____________.
* All other necessary permits from Mason County,Washington State, Federal Agencies, and/or other agencies/groups that
are required for this proposed development and construction must be obtained PRIOR TO DEVELOPMENT AND
CONSTRUCTION.
* When parcel development requires direct access to county road(s),a Road Access Permit or Approval must be granted by
the Mason County Department of Public Works. For any construction which is proposed to be located within 25'of a Mason
County road right of way, it is suggested to contact that office to review future planned work which may affect your project.
For more information contact Public Works,at(360)427-9670, ext.450 or 100 W Public Works Dr. Shelton.The building
permit will not be finaled until the permit holder can show proof that the access permit from Public Works has been finaled
and approved.
* All permits expire 180 days after permit issuance, or 180 days after the last inspection activity is performed.The Building
Official may grant one or more extension of 180 days, upon the receipt of a written extension request prior to permit
expiration. Letter must indicate that circumstances beyond the control of the permit holder prevented action from being
taken.
.................. .... .. .. . .. .............._ .. .. _ .. .. .. .. .. .. ...............................................................................................................................................................
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Page 2 of 5
i
Mason County
Mason County - Division of Community Development
615 W. Alder St.
Building 8
Shelton, WA 98584
360-427-9670 ext 352
www.masoncountywa.gov
MANUFACTURED HOME BLD2024-00933
* All surface water and potential runoff must be controlled on site and shall not adversely affect any adjacent properties nor
increase the velocity flow entering or abutting to any state or county culverting/ditching system or road way.
* REQUIRED INSPECTIONS (Footing Inspection-prior to pour(set-up manual must be on-site), Set-up Inspection-prior to
skirting, Final Inspection-prior to occupancy). I hereby assume all responsibility for the scheduling of my required
inspections. If the required inspections are not requested, inspected and signed off(approved) by the inspector in the
prescribed order, I understand that reinspection fees and an hourly investigation fee pursuant to the current fees adopted by
the Mason County Building Dept., and will be assessed in addition to my original permit fees to resolve any questionable
practices or problems that have been discovered. Until resolution of any/all problems no occupancy (Final Inspection)will be
granted for the residence.
OWNER/CONTRACTOR(indicate which)
* All building permits shall have a final inspection performed and approved by Mason County Building Department prior to
permit expiration. The failure to request a final inspection or to obtain approval will be documented in the legal property
records on file with Mason County as being non-compliant with Mason County ordinances and building regulations.
* By definition, propane tanks and heatpumps are structures,which must meet setback conditions. Please check your
"Approved Site Plan"to ensure these structures meet the setback conditions listed.
• 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 INSPECTION. INACTIVITY OF THIS PERMIT
APPLICATION OF 180 DAYS WILL INVALIDATE THE APPLICATION UNLESS OTHERWISE APPROVED.
* Disclaimer: Mason County does not require a survey to obtain a building permit. As a result, site plans may not reflect
accurate data. It is the applicant's responsibility to comply with setback requirements.
* Owner/Agent is responsible to post the assigned address and/or purchase and post private road signs in accordance
with Mason County Code 14.28 and 14.17.
* CONSTRUCTION PROCESS TO BE FIELD CORRECTED AS REQUIRED PER MASON COUNTY BUILDING
DEPARTMENT AND THE ADOPTED BUILDING CODE.
The construction of the permitted project is subject to inspections by the Mason County Building Department. All
construction must be in conformance with the international codes as amended and adopted by Mason County. Any
corrections, changes or alterations required by a Mason County Building Inspector shall be made prior to requesting
additional inspections.
* The plan review check list and corrections are part of the approved plans and must remain attached. It is the responsibility
of the applicant, owner or contractor to make the required corrections indicated on the plans. Once the plans are marked
"APPROVED", they shall not be changed or altered without authorization from the Building Official. The permit holder is
responsible to retain the complete approved set of plans on site for the duration of the project. Failure to comply and/or
removal of approved documents will result in failure of required building inspections.
* Pressure treated wood manufactured after January 1, 2004 may contain high concentrations of copper which could quickly
corrode metal fasteners, connectors, and flashing. Install metal connectors approved for contact with the new types of
pressure treated material.
----------- ------------------------------------------------------------------------------------
The stamped approved site plan is required to be on-site for inspection purposes. If an inspection is requested and the
approved site plan is not on site, approval will not be granted. In addition, a re-inspection fee (refer to current fee schedule,
minimum 1 hour)will be charged and shall be collected by the Building Department prior to any further inspections being
performed or approvals granted.
Printed by:Anna Schaffran on:08/26/2024 08:26 AM
Page 3 of 5
Mason County
Mason County - Division of Community Development
615 W. Alder St.
Building 8
Shelton, WA 98584
360-427-9670 ext 352
www.masoncountywa.gov
MANUFACTURED HOME BLD2024-00933
* A Mason County Stormwater Management Worksheet was completed and signed as part of this building permit
application. Design, sizing, placement, inspection and maintenance of stormwater management systems shall be the
responsibility of the owner/agent of the developed parcel. It is the owner/agent/contractor's responsibility to ensure that
Mason County Department of Public Works has approved the stormwater site plan for this parcel prior to the commencement
of any development activities. *NOTE if Stormwater Management option "A"was selected on the Small Parcel Stormwater
Management Application/Worksheet the document entitled "Managing Storm Drainage on Small Lots, The Small Parcel
Stormwater Site Plan" constitutes an approved plan based on the criteria listed on the application/worksheet. If the
development has, or will have, a septic/d ra infield system you are responsible for contacting Mason County Division of
Environmental Health to ensure that the stormwater system will not adversely affect the septic system of this, or any other,
parcel. You may also wish to consult with the septic design professional involved with the project. By calling for a final
inspection of the building permit the owner/agent/contractor is acknowledging that all components of the stormwater
management system have been installed as approved on the stormwater site plan. Under the requirements of Mason County
Stormwater Ordinance, either private ditches and drains will meet requirements of the stormwater ordinance or prior
approval will be granted to use an existing utility and drainage easement dedicated for that specific purpose.
* Retaining walls needed to support a surcharge such as structures, roads, or to support slopes, shall require a separate
building permit and approval prior to construction of the retaining wall.
* Any retailer,manufacturer or contractor who installs a manufactured structure warrants that the manufactured structure is
installed in accordance with the State Installation code, chapter 296-150M WAC.All installers hired to do installation work
shall be certified manufactured structure installers and shall be present to supervise the installation of all on-site work. An
Installer Tag shall be posted on site giving the certification number and signature of the certified installer responsible for
each major part of the installation. RCW43-63B.090
An approved Installer certification tag shall be placed on the end of the manufactured home directly above or below the HUD
certification tag or temporarily located in plain site within three feet of the home's front entry. There shall be one certification
tag for each certified installer accounting for the work that each installer performed or installed. Certification number and
signature of the certified installer responsible for each major part of the installation. WAC365-210
* Approved per dimensions and setbacks on submitted site plan. Setbacks are measured from the farthest projection of the
structure. Front setbacks are measured from the front lot line or road easement boundary,whichever is closer.
* Provisions for surface/subsurface drainage control must be implemented with new construction or development on site and
MUST NOT adversely impact adjacent parcels. Under the requirements of Mason County Stormwater Ordinance, either
private ditches and drains will meet requirements of the stormwater ordinance or prior approval will be granted to use an
existing utility and drainage easement dedicated for that specific purpose. For further information regarding this ordinance
contact the Mason County Public Works Department prior to construction at Ext 450
* This permit is for the placement and installation of the manufactured home only and does not imply approval or review for
any other items indicated on the plot plan.
* Disclaimer
Mason County does not require surveys for building. As a result, site plans may not reflect accurate data. It is the applicant's
responsibility to comply with setback requirements.
* PLN SETBACKS
Front(SE): 15'
Side: 7'
Rear: 20'
*all setbacks measured from the farthest projection of the building
*subject to EH setbacks
*all changes are subject to review and approval
Printed by:Anna Schaffran on:08/26/2024 08:26 AM
Page 4 of 5
Mason County
Mason County - Division of Community Development
615 W. Alder St.
Building 8
Shelton, WA 98584
360-427-9670 ext 352
www.masoncountywa.gov
MANUFACTURED HOME BLD2024-00933
Applicant/Owner assumes all responsibility if On-site Sewage Components are encumbered.
A.) Drainfield/ Reserve requires a 10ft setback from all footing/foundations.
B.) Septic tank(s) requires 5ft setback from all footing/foundations.
C.) No foundation/ Perimeter Drains within 30ft, down gradient of Drainfield/ Reserve area.
D.) No Cut Bank(s)(greater than 5ft and over 45 degrees)within 50ft, down gradient of Drainfield/Reserve area.
hereby certify that I have read and examined this application and know the same to be true and correct.
All provisions of Laws and Ordinances governing this type of work will be complied with whether
specified herein or not. The granting of a permit does not presume to give authority to violate or cancel
the provisions of any other state/local law regulating construction or the performance of construction.
Issued By:
Q `
Contractor or Authorized Agent- - Date: " r 2b Z
Printed by:Anna Schaffran on:08/26/2024 08:26 AM Page 5 of 5
t_.
MASON COUNTY
DEPARTMENT OF COMMUNITY DEVELOPMENT
Mason County Bldg.8, 615 West Alder Street, Shelton WA 98584
www.co.masonma.us
(360)427-9670 ext.352 Belfair(360)275-4467 ext. 352 Elma(360)482-5269 ext.352
MANUFACTURED HOME PLAN REVIEW CHECKLIST
Owner: b"i'd T ire-soL- W o"PiS Contractor: M$ Di r4- WOYkS L 1,
Permit Number: Site Address: "dot eV i 2N/ L i
Plans Examiner: i7p�/�. ✓� Date: ()6/o?-/2, R4
2018 International Residential Code (IRC) WAC 51-51
• 2018 International Building Code (IBC) WAC 51-50
• 2018 International Mechanical Code (IMC) WAC 51-52
• 2018 Uniform Plumbing Code (UPC) WAC 51-56
• 2018 International Energy Conservation Code (IECC), WAC 51-11R & 51-11C
2018 International Fire Code WAC 51-54A
Seismic Zone D2, Wind load 85 mph, Exposure (as determined in R301.2.1.4)
Roof snow load AS 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 Building Department.Each number identifies an item in the attached checklist, as
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 am.until 4:30 p.m. Monday through Thursday and 8:00 a-m.to Noon on Fridays.
Inspections may be scheduled via the Mason County website www.co.mason.waus .While on the home
page under Online Services,located on the side bar, click the link Request a Building Inspection.You
may also call 360-427-9670 ext. 352 &From Belfair call(360) 275-4467 ezt.352.
Inspections are conducted between 8:30 AM and 4:00 PM
When scheduling 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.
Word 2912ptan review checkfist coversheet manufactured home
4;
Washington State Department of
Labor & Industries --
Manufactured Home Installation Inspection Checklist
Yes No Installer Certification
❑ ❑ -If present during inspection,has the supervising installer shown proof of certification?
❑ ❑ One or more Installer Certification Tags attached to the home indicating all installation
work performed by a certified installer? (Not required for work performed by homeowner.)
Yes No Site Preparation
❑ ❑ Is the home site properly graded and sloped to prevent water from collecting under the
home? (e.g. 1/2 inch per foot for minimum of 10 feet around home.) `
❑ ❑ If home is pit set and/or on a sloping site,is natural drainage adequately diverted to prevent_
water from collecting under home?
Yes, No Installation Instructions
❑ ❑ Are the manufacturer's installation instructions, instructions of an engineer or architect, or
ANSI A225.1 —1994 ed. (for relocated homes)available for use during inspection?
Yes No Foundation & Support Piers
❑ ❑ Do clearances under the home meet the requirements of WAC296-15OI-0310(1)(1)?
(18 inches beneath at least 75% of the lowest member of the main frame and no less than 12
inches-anywhere under the home.)
❑ ❑ If applicable, are pre-poured concrete runners or full slabs placed to the minimum thickness
required by: 1)home manufacturer's instructions, 2)instructions of an engineer or architect,
or 3) ANSI A225.1 -1994 ed- (for relocated homes)?
❑ ❑ Do footings (individual pads,runners, or slabs)meet the local frost-depth requirements?
❑ ❑ Are foundation pier pads and support piers sized and placed according to the specifications
set forth in the: 1)home manufacturer's instructions,2)instructions of an engineer or
architect, or 3) ANSI A225.1 - 1994 ea:. (for relocated homes)?
❑ ❑ If prefabricated piers are used, are the piers installed according to the pier manufacturer's
instructions? Has engineering documentation been provided?
❑ ❑ Are concrete piers shimmed and wedged so all piers make equal contact with the home? Or,
are metal piers adjusted and connected so all piers make equal contact with the home?
❑ ❑ Is the home level?
❑ ❑ If an engineered full foundation system is installed, is the installation according to the
system manufacturer's instructions? Has engineering data been supplied?
Yes No Anchoring
❑ ❑ Are anchors spaced according to: 1)home manufacturer's installation instructions, 2) the
instructions of an engineer or architect, or 3) ANSI A225.1- 1994 ed_ (for relocated
homes); and are they installed according to the equipment manufacturer's instructions?
01-2010
- - z
❑ ❑ If an earthquake resistant bracing system is installed, is the installation according to the
equipment manufacturer's instructions? Has engineering data been supplied? (The
requirement to use earthquake resistant bracing systems is set by the local jurisdiction)
Yes No Sk1rt1Il
❑ ❑ Are skirting vents installed according to the home manufacturer's instructions? Or, do vents
have a net area of not less than one square foot for each 150 square feet of under floor area
as set out in WAC 296-150I-0310(1)(d)(ii)? (Homes sited in flood plains: Local
jurisdictions determine venting requirements.)
❑ ❑ Is skirting made of material suitable for ground contact?
❑ ❑ is skirting recessed behind the siding or trim?
❑ ❑ Is an access opening of not less than 18 x 24 inches located so that all areas under the home
are available for inspection? Is it covered with a sufficient access cover?
Yes No Other
❑ ❑ Is a ground cover installed(Minimum 6,mil black polyethylene or equivalent per WAC 296-
150I-0310(l)(k)? Not required for full concrete slab with minimum thickness of three and
one-half inches.
❑ ❑ Are the structural connections of the home sections made per the manufacturer's instructions?
❑ ❑ Is the heating crossover duct connected properly?
❑ ❑ Is the heating crossover duct supported off the ground?
❑ ❑ Are the plumbing water and waste crossovers connected properly?
❑ ❑ Is the drain pipe supported according to the manufacturer's installation instructions?
❑ ❑ If under floor plumbing was shipped-loose,is it installed according to the instructions
provided by the home manufacturer? NOTE: Any deviation from the home manufacturer's
original design and instructions is considered an alteration to be permitted and inspected by
Department of Labor and Industries and must be completed by a certified plumber.
❑ ❑ If jurisdiction completes electrical inspection, is the electrical crossover connected properly?
❑ ❑ Are all holes and tears in the belly fabric patched in an approved manner?
❑ ❑ If required,where a wood or pellet stove is installed, is it blocked? Is the combustion air
vented to the crawl space or exterior of the home?
❑ ❑ Is the dryer vented to the exterior and 1) does it comply with the dryer manufacturer's
specifications; or 2) is metal with smooth interior surfaces used?
❑ ❑ Has the testing of water lines,waste lines, and gas lines been verified with the installer?
❑ ❑ Are heat pump and air conditioning condensation lines extended to the exterior of the home?
❑ ❑ Are the water heater pressure relief valve and pan relief line terminated to the exterior and
then down?
❑ ❑. Is water piping protected against freezing per the home manufacturer's instructions?
Or is a heat tape listed for use with manufactured homes installed per the tape
manufacturer's instructions?
This check list was prepared by the Department of Labor and Industries,PO Box 44420,Olympia,Washington 98504-4420.
If you have comments regarding this check list,or have questions regarding installation of manufactured homes in Washington State,
please contact the Manufactured Home Installer Training and Certification Program at 800-647-0982(option 5).
1. PRFmisF IDENTIFICATION:IRC Section R319, landing is not required where a stairway of two or fewer
IFC Section 505,and Mason County Code Title 14.28. risers is located on the exterior side of the door,provided
(See also checklist item 108). Approved numbers or the door does not swing over the stairway. Storm and
addresses shall be a minimum of 4"high with a stroke of screen doors are allowed to swing over all exterior stairs
''/2"and shall be provided for all new buildings in such a and landings.When exterior landings or floors serving the
position as to be plainly visible and legible from the street required egress door are not at grade,they shall be
or road fronting the property and-shall be a minimum of provided with access to grade by means of a ramp or
4"high with a minimum width of%2".Approved numbers stairway.The width of each landing shall not be less than
or addresses shall be placed on all buildings,at the the door served and shall have a dimension of 36-inches
beginning of long driveways when the address is not measured in the direction of travel-The landing shall be
clearly visible from the access road,or in any other areas permitted to have a slope not to exceed 1/4 unit vertical in
deemed necessary by the local fire district or Fire 12 units horizontal(1:48). A flight of stair shall not have a
Marshal. They shall be placed in such a position as to be vertical rise greater than 12 feet between floor levels or
plainly visible and legible from the street or road fronting landings.Landings shall be the same width of the stairway
the property. Said numbers shall contrast with their served and at least 36 inches measured in the direction of
background. See address posting and private road signage travel.Exterior landings,decks,balconies,stairs,and
requirement information attached. similar facilities shall be positively anchored to the primary
structure to resist both vertical and lateral forces or shall be
2. APPROVED PLANS.IRC Sections R106.3.1,R106.4. designed to be self-supporting. Attachments shall not be
When the building official issues a permit,the accomplished by use of toenails or nails subject to
construction documents shall be approved in writing or by withdrawal. See also item#69 for deck attachment info.
stamp.One set of the construction documents so reviewed
shall be retained by the building official. The other set 5.GUARDS:_IRC Section R312.Table R301.5 Guards shall
shall be returned to the applicant,shall be kept at the site be provided for open sided walking surfaces including,
stairs,ramps,landings,porches,balconies,or raised floor
of work and shall be open to inspection by the building
surfaces located more than 30" above grade or a floor
official or the duly authorized representative. The work
shall be installed in accordance with the approved below.Grade shall be measured 36-inches horizontally
construction documents,and any changes made during from the edge of the open side.Guards shall be not less
than 36"in height,measured from the adjacent walking
construction that are not in compliance with the approved
surface or the line connecting the leading edges of a tread
construction documents shall be resubmitted for approval
as an amended set of construction documents. Exception
1) Open sides of stairs with a total rise of more than 30"
3. CONSTRUCTION DOCUMENTS&COMPLIANCE above the floor or grade below shall have guards not less
TO APPROVED PLANS:IRC Section R106. than 34"in ht. measured vertically from a line connecting
(1)Approved site plans shall be attached to the approved the leading edges of the treads. 2) Where the top of the
building plans during inspection. (2)Property lines shall guard also serves as a handrail on the open sides of stairs,
be marked.(3)Setback distances will be measured from the top of the guard shall not be less than 34"and not
the furthest projection of the permitted structure_ more than 38"above the leading edge of treads. Required
(3)Manufacturer's installation instructions shall be guards shall be designed such that a sphere 4"in diameter
available on the job site at the time of inspection. (4)All cannot pass through. Exceptions: 1)The triangular
work shall be installed in accordance with the approved openings at the open side of a stair, formed by the riser,
construction documents.(5)Any changes made during tread and bottom rail of a guard are permitted to be of
construction that are not in compliance with the approved such size that sphere 6-inches cannot pass through 2)
construction documents shall be resubmitted for approval Guards on the open sides of stairs shall not have openings
as an amended set of construction documents. To request which allow passage of a sphere 4- 318"in diameter.
approval of revisions complete a"Request to Revise Hance assemblies and guards shall be able to resist a
Approved Plan"application and submit to the Mason single concentrated load of 200 Is.,applied in any
County Permit Center along with approved plans and direction at any point along the top,and have attachment
documents detailing the proposed changes. devices and supporting structure to transfer this loading to
appropriate structural elements of the building.
4.LANDINGS AT DOORS AND STAIRWAYS& Intermediate rails(all those except the handrail),balusters
CONSTRUCTION—IRC R311.The floor or landing at and panel fillers shall be designed to withstand a
the required egress door shall not be more than 1-1/2" horizontally applied normal load of 50 lbs.on an area equal
lower than the top of the threshold. Exception: The landing to 1 sq. I,including openings and space between rails.
on the exterior side shall not be more than 7-314"below
the top of the threshold provided the door does not swing 6.HANDRAILS:IRC Section R311.7.8,R311.8.3 Handrail
over the landing or floor. There shall be a floor or landing shall be provided on not less than one side of each
on each side of all other exterior doors.Floor elevations continuous run of treads or flight with four or more risers.
for the doors shall be provided with landings no more than Such handrails shall be placed not less than 34"and not
7-3/4"below the top of the threshold.Exception:A more than 38" above the nosing of the treads. Handrails for
stairways shall be continuous for the full length of the 10. U"ER STAIR PROTECTION:IRC Section R302.7
flight,from a point directly above the top riser to a point enclosed accessible space under stairs shall have walls,
directly above the lowest riser. Handrail ends shall be under stair surface and any soffits protected on the
returned or terminate in newel posts or safety terminals. enclosed side with%"gypsum board.
Handrails adjacent to the wall shall have a space not less
than 1 11/s"between the wall and the handrail. TYPE I: 11. ILLUMINATION: IRC Section R303.7.All interior
Circular handrails shall have an outside diameter of at least and exterior stairways shall be provided with a means to
1 1/4"and not greater than 2". If the handrail is not circular, illuminate the stairs,including landings and treads.Interior
it shall have a perimeter dimension of at least 4"and not stairways shall be provided with an artificial light source
greater than 61/a"with a maximum cross-section located in the immediate vicinity of each landing of the
dimension of 2 1/4". TYPE H: Handrails with a perimeter stairway.Where lighting outlets are installed in the
greater than 6%<"shall have a graspable finger recess area interior stairways,there shall be a wall switch at each floor
on both sides of the profile: The finger recess shall begin a level to control the lighting outlet where the stairway has 6
distance of 3/a"measured vertically from the tallest portion or more risers.Exterior stairways shall be provided with a
of the profile and achieve a depth of at least 5/16"within light source located at the top of the landing of the
7/8"below the widest portion of the profile. This required stairway. Exterior stairways providing access to a
depth shall continue for at least 3/8"to a level that is not basement from the outside grade level shall be provided
less than 13/a"below the tallest portion of the profile. The with an artificial light source located in the immediate
minimum width of the handrail above the recess shall be 1 vicinity of the bottom landing of the stairway.Stairway
1/4"to a maximum:of 2 1/4". Edges shall have a minimum illumination shall receive primary power from the
radius of.01". See item#34,stairway width,for building wiring. The illumination of exterior stairways
additional information. Also refer to deck detail shall be controlled from inside the dwelling.Exception:
information attached to this checklist Lights that are continuously illuminated or automaticity
controlled.
7. STAIR WIDTH: IRC Section R311.7.1 Stairways shall
not be less than 36"in clear width at all points above the 12. SPECIAL.STAIRWAYS:IRC Section R311.4,
handrail height and below the required headroom height R311.7.10,R311.7.52.1,Spiral stairways and bulkhead
Handrails shall not project more than 41/2"on either side enclosure stairways shall comply with all requirements of
of the stairway and the minimum clear width of the stairways. Spiral stairways are permitted,provided the
stairway at and below the handrail height,including treads minimum width at and below the handrail shall be 26
and landings,shall not be less than 31 %"where the inches and the walk line radius is not greater that 24 %2
handrail is installed on one side and 2T'where handrails inches each tread having a 6-3/4 inch at the walk line.All
are installed on both sides. Width of spiral stairways shall treads shall be identical and the rise shall be no more than 9
be in accordance with Section R311.7.9.1.See item#39. %a". Headroom shall be not less than 6 feet 6 inches.
Stairways serving bulkhead enclosures see IRC Section
R311.7.10.2.
8. STAIR TREADS&RISERS and RAMP SLOPE: Note: Washington State Amendment to IRC R311.4:Stairs and
IRC Section R311.7.5 &R311.8.1 the maximum riser ladders are permitted within an individual dwelling unit used for
height shall be 7%".The greatest riser height within any access to areas of 200 sq.ft.or less,and not containing the
flight of stairs shall not exceed the smallest by more than primary bathroom or kitchen.See R311.7.11&R311.7.12
3/8". The minimum tread depth shall be 10".The tread
depth within any flight of stairs shall not exceed the 13. FOUNDATION DRAINAGE: IRC Section R401.3,
smallest by more than 3/8". A nosing not less than 3/a"but R405. Surface drainage shall be diverted to an approved
not more than 1 1/."shall be provided on stairways with point of collection so as to not create a hazard. Lots shall
solid risers.Open risers are permitted,provided that the be graded so as to drain surface water away from
openings located more that 30 inches,as measured foundation walls. The grade away from foundation walls
vertically,to the floor or grade below,does not permit the shall fall a minimum of 6" within the first 10.' Exception:
passage of a 4"diameter sphere.Ramps shall have a Where lot lines, walls, slopes or other physical barriers
maximum slope of 1 unit vertical in 12 units horizontal. prohibit 6" of fall within 10' drains or swales shall be
Exception:Nosing is not required where the tread depth is provided to ensure drainage away from the structure.
at least 11". The opening between adjacent treads is not Impervious surfaces within 10-ft of the building
limited on stairs with a total rise of 30"or less foundation shall be sloped a min. 2% away from the
building. Drains shall be provided around all concrete or
9. STAIR HRADROOM CLEARANCE: IRC R311.72 all masonry foundations that retain earth and enclose
parts of the stairway shall not be less than 6'8" measured habitable spaces located below grade. Drainage tiles,
vertically from the sloped plane adjoining the tread nosing gravel, or crushed stone drains, perforated pipe or other
or from the floor surface of the landing or platform. See approved systems or materials shall be installed at or
exception for spiral stairways. below the area to be protected and shall discharge by
gravity or mechanical means into an approved drainage
system. Gravel or crushed stone drains shall extend at
least 1-foot beyond the outside edge of the footing and at
least 6 inches above the top of the footing and be covered 16. COLUMNS AND POSTS:IRC Section R317.12,
with an approved filter membrane material. The top of R317.1.4&R407.3. Posts,poles and columns supporting
open joints of drain tiles shall be protected with strips of permanent structures that are embedded in concrete in
building paper, and the drainage tiles or perforated pipe direct contact with the ground,or embedded in concrete
shall be placed on a minimum 2 inches of washed gravel exposed to the weather shall be approved pressure
or crushed rock at least one sieve larger than the tile joint preservative treated or wood suitable for ground contact.
opening or perforation and covered with not less than 6 Wood columns shall be approved wood of natural decay
inches of the same material. resistance or approved pressure preservative treated wood.
Exceptions: 1)Posts or columns which are exposed to the
14. FOOTING/PIERS ON OR ADJACENT TO weather or located in basements or cellars, supported by
LOPES: IRC Section 403.1.7. The placement of concrete piers or metal pedestals projecting 1"above the
buildings and structures on or adjacent to slopes steeper floor or finished grade and 6"above exposed earth,and
than 1 unit vertical in 3 units horizontal(33.3-percent are separated by an approved impervious moisture barrier.
slope)shall conform to Sections R403.1.7.1 through 2)Posts or columns in enclosed crawl spaces or
R403.1.7.4.Buildings below slopes shall be set a sufficient unexcavated areas located within the periphery of the
distance from the slope to provide protection from slope building,supported by a concrete pier or metal pedestal at
drainage, erosion and shallow failures. Where the existing a height greater than 8"from the exposed earth and the
slope is steeper than one unit vertical in one unit horizontal earth is covered by an impervious moisture barrier.3)
(100% sloped the toe of the slope shall be assumed to be Deck posts supported by concrete piers or metal pedestals
at the intersection-of-the horizontal plane drawn from the projecting not less than 1 inch above a concrete floor or 6
top of the foundation and a plane drawn tangent to the inches above exposed earth(See Section R317.1.3)
slope at an angle 45 degrees to the horizontal. Where a Columns shall be restrained to prevent lateral
retaining wall is constructed at the toe of the slope,the displacement at the bottom end. Wood columns shall not
height of the slope shall be measured from the top of the be less in nominal size than 4"x 4"or approved
wall to the top of the slope. Footings on or adjacent to equivalent
slopes shall be founded in material with an embedment and 17. GIRDERS E RING MASONRY OR
setback from the slope surface to provide vertical and CONCRETE WALLS:IRC Section R317.1 #4. The
lateral support for the footing without detrimental
ends of wood girders entering exterior concrete or masonry
settlement.Except as provided for in Section R403.1.7.4
walls shall be provided with a 1/2"airspace on tops,sides
and Figure R403.1.7.1,the following setback is deemed
and ends unless an approved species and grade of lumber
adequate to meet the criteria. Where the slope is steeper
than one unit vertical in one unit horizontal(100%slope), specified Sections R317.1 &R3172 and listed in#56 of
the required setback shall be measured from an imaginary this checklist is used
plane 45 degrees to the horizontal,projected upward from 18 PosT-BF.eM CONNEC'TIONSTAS NIN =:IRC
the toe of the slope.Footings adjacent to slopes shall be
founded in firm material with an embedment and setback Section R502.9,R301.1,R602.3 (1).Where post and beam
sufficient to provide vertical and lateral support for the or girder construction is used to support floor framing,
t Alternate setbacks positive connections shall be provided to ensure against
footing without detrimental settlemen
and clearances are permitted,subject to the approval of the ups and lateral displacement.The construction of
building official The building official is permitted to buildings and structures shall result in a system that
require an investigation and recommendation of a qualified provides a complete load path that meets all requirements
engineer to demonstrate that the intent of the code has for the transfer of all loads from their point of origin
been satisfied_ Such an investigation(geotechnical through their load resisting elements to the foundation.
evaluation)shall include consideration of material,height 19 NfT1�Tii IEM STANDARDS&PROTECTION
of slope,slope gradient,load intensity and erosion
characteristics of slope material Exception: Mason AGAINST DECAY:IRC Sections R317.1,R3172,&
County Development Regulations may specify additional R317.3,R502.1,R602.1,R802.1. In areas subject to
requirements. decay and where required,the use of an naturally durable
wood and grade of lumber shall be required,including
15. FOOD IN CONTACT WITH CONCRETE& wood pressure treated in accordance with AWPA Ul,
MASONRY:IRC Section R317.1#2. All wood framing listed in Section 4,or naturally durable wood such as
members that rest on concrete or masonry exterior decay resistant redwood,black locust,black walnut or
foundation walls and are less than 8"from the exposed cedar. Pressure-preservative-treated wood shall bear the
quality mark of an approved agency in accordance to
ground require the use of naturally durable wood or wood
R3172. Field cut ends,notches and drilled holes of
that is preservative treated accordance with AWPA U1 for
preservative-treated wood shall be treated in the field in
the species,product,preservative,and end use.
accordance to AWPA M4. All wood embedded in
Preservatives shall be listed in Section 4 of AWPA Ul.
concrete exposed to weather that supports permanent
structures intended for human occupancy shall be
approved pressure-preservative-treated wood suitable for
ground contact use,except untreated wood may be used structural composite lumber, structural glued-laminated
entirely below groundwater level or continuously member and I-Joist shall be supported laterally as
submerged in fresh water.Approved naturally durable or required by the manufactures recommendations. 2) In a
pressure-preservative-treated wood shall be used for those D2 seismic design category lateral restraint shall be
portions of wood members that form the structural provided at each intermediate support. Joists exceeding a
supports of buildings,balconies,porches or similar nominal 2" x 12" shall be supported laterally by solid
permanent building appurtenances when they are exposed blocking, diagonal bridging (wood or metal), or a
to weather without adequate protection from a roof,eave, continuous I"x 3" strip nailed across the bottom of joists
overhang or other covering that would prevent moisture or perpendicular to joists at intervals not exceeding 8'0".
water accumulation on the surface or at joins between See Figure R5022 for floor framing information and
members. Load bearing dimension lumber used for joists, Tables 502.3.1(1), R502.3.1(2), R502.3.3(1) and
beams,girders,studs,plates,headers,rafters,trusses,and R502.3.3(2) for allowable spans. Structural floor members
ceiling joists,including,end jointed lumber,pre-fabricated shall not be cut,bored or notched in excess of that Section
I joists,structural glue-laminated timber, structural log R502.8. Notches: in solid lumber joists, rafters and
members, wood structural panels, fiberboard sheathing beams shall not exceed 1/6 of the depth of the member,
(when used structurally),hardboard siding(when used shall not be longer than 1/3 of the depth of the member
structurally),particleboard, preservative treated wood, and shall not be located in the middle 1/3 of the span_
fire-fetardant-treated wood, hardwood plywood, shall be Notches at the ends of the member shall not exceed 1/4 the
identified by a grade mark of a lumber grading or depth of the member. The tension side of members 4
inspection agency that-has been approved-by an inches or greater in nominal thickness shall not be notched
accreditation body that complies with DOC PS 20. In lieu except at the ends of the members. The diameter of holes
of a grade mark,a certification of inspection issued by a bored or cut into members shall not exceed 1/3 the depth
lumber grading or inspection agency meeting the of the member. Holes shall not be closer than 2 inches to
requirements of this section shall be accepted. the top or bottom of the member, or to any other hole
FASTENERS: Fasteners for pressure preservative and located in the member.Where the member is also notched,
fasteners for pressure-preservative and fire-retardant- the hole shall not be closer than 2 inches to the notch.
treated wood shall be of hot-dipped zinc-coated galvanized Engineered wood products:Cuts,notches and holes
steel,stainless steel,silicon bronze or copper. The coating bored in trusses,structural composite lumber,structural
weights for zinc-coated fasteners shall be in accordance glue-laminated members or I j oists are prolubited except
with manufacturer recommendations or in accordance to where permitted by the manufacturer's recommendations
ASTM A 653 type G 185. See also manufacturer or where the effects of such alterations are specifically
specifications or distributor specific installation considered in the design of the member by a registered
instructions or recommendations.Exception:'/2"diameter design professional. Floor framing shall be fastened in
or larger steel bolts(where required by location). 2) accordance with Table R602.3(1). Posts and beams used
Fasteners other than nails and timber rivets shall be to support floor framing shall be provided with positive
permitted to be mechanically deposited zinc- coated steel connections to ensure against uplift and lateral
with coating weights in accordance with ASTM B 695, displacement.Floor assemblies,where the space below is
Class 55,minimum. Sill plate need not be pressure treated used for storage or fuel-fired appliances shall be
if sill plate installed over an approved moisture barrier protected from fire in accordance with R302.13.
such as 30 lb.Felt or equivalent and the sill plate is 8"or Exception: dimensional or structural composite wood floor
more above grade. assemblies with a cross-sectional area equal to or greater
than 2x10 or other floor assemblies demonstrating
20. FLOOR FRAMING: IRC Chapter 5, Section R502.6, equivalent fire performance.
R502.7, The ends of each joist, beam or girder shall have
not less than 1- %"bearing on wood or metal and not less 21. UNDER-FLOOR CLEARANCE/REMOVAL OF
than 3"on masonry or concrete except where supported on DEBRIS: IltC Section R317.1 #1,R408.5. When floor
a 1"x 4"ribbon strip and nailed to the adjacent stud or by joists or the bottom of a wood structural floor are located
the use of approved joist hangers. Joist framing from within 18" or wood girders are located within 12"to the
opposite sides of a beam or partition shall lap a minimum exposed ground in crawl spaces or unexcavated area
of 3" and shall be nailed together with three 10d-face located within the periphery of the building foundation, all
nails. A wood splice with strength equal to or greater than components of the floor assembly shall be wood approved
that provided by the nailed lap is permitted. Joists framing in areas subject to decay as identified in#56 of this
into the side of a wood girder shall be supported by checklist Included are the posts,beams or girders,joists
approved framing anchors or on ledger strips not less than and sub-floor. The under-floor grade shall be cleaned of
2-inches x 2-inches. Joists shall be supported laterally at all vegetation and organic material. All wood forms used
the ends and at each intermediate support by full depth for placing concrete and construction materials shall be
solid blocking not less than 2" nominal thickness; or by removed before the building is occupied or used for any
attachment to a full-depth header, band or rim joist, or to purpose.
an adjoining stud; or shall be otherwise provided with
lateral support to prevent rotation. Exception: 1) Trusses 22. UNDER-FLOOR ACCESS: IRC Section R408.4,
M1305.1.4. Access shall be provided to all under-floor
spaces. Access openings through the floor shall be a the ledger and shall fully engage the deck joist. See
minimum of 18"x 24". Openings through a perimeter IRC Figure R507.2.3(2), "Deck attachment for lateral
wall shall be at least 16"x 24". When any portion of the loads."See Deck Handout
through wall access is below grade,an areaway not less
than 16"x 24"shall be provided. The bottom of the 24. ROOF DRAINAGE:UPC 1101.11.1. Roof areas of a
areaway shall be below the threshold of the access building shall be drained by roof drains or gutters.
opening. Through wall access openings shall not be Gutters and downspouts are to be installed on structures
located under a door to the residence. Where appliances to conform to the provisions of Mason County Code,
are located under floors a rough-framed access shall be Title 14 chapter 14.48(Stormwater Management),and
provided with an opening or door and an unobstructed IRC R401.3. If a stormwater plan is not required,or an
passageway not less than 22 inches wide and large alternative method is proposed,measures must be put in
enough to allow the removal of the largest appliance in the place to protect the structure from excessive splash,
space.Access shall be unobstructed by pipes,ducts or divert the water away from the foundation per IRC
similar construction. R4013, R405 &R405.1,and protect the parcel(and
adjacent parcels)from erosion.IRC Section R903.4.
23. DECKS&EXTERIOR STAIRS: IRC R507. All Unless roofs are sloped to drain over roof edges,roof
wood in contact with the ground,embedded in concrete in drains shall be installed at each low point of the roof.
direct contact with the ground or embedded in concrete Where required for roof drainage,scuppers shall be
exposed to the weather that supports permanent structures placed level with the roof surface in a wall or parapet
intended for human occupancy shall be naturally durable Overflow drains shall discharge to an approved location
wood as specified in-item#56 or approved pressure- and shall not be connected to roof drain lines.
preservative-treated wood suitable for ground contact use.
In addition naturally durable wood or pressure preservative 25. RETAINING WALLS:IRC Section R105.2,R404.4.
treated wood shall be used in those portions of wood Retaining walls that are not laterally supported at the top
members that form the structural supports of buildings, and that retain in excess of 24-inches of unbalanced
balconies,porches or similar permanent building backfill shall be designed to ensure stability against
appurtenances when those members are exposed to the overturning,sliding,excessive foundation pressure and
weather without adequate protection from a roofs eave, water uplift. Retaining walls shall be designed for a safety
overhang or other covering that would prevent moisture or factor of 1.5 against lateral sliding and overhrning.
water accumulation on the surface or at joints between Retaining walls that are not over 4' in height measured
members. Such members may include: 1) Horizontal from the bottom of the footing to the top of the wall not
members such as girders,joists and decking.2)Vertical supporting a surcharge,is exempt from permits.
members such as posts,poles and columns.3) Both Retaining Wall Surcharge,loading on a retaining wall is a
horizontal and vertical members. Field applied treatment vertical load imposed on the retained soil that may impose
is not an approved method. Treatment must be applied by a lateral force against the retaining wall in addition to the
manufacturer,see item#56 of this checklist. Where lateral earth pressure of the retained soil.
supported by attachment to an exterior wall,decks shall be
positively anchored to the primary structure and designed 26. FIRE ACCESS: Mason County Title 14,Chapter
for both vertical and lateral loads as applicable. Such 14.17 Standards for Fire Apparatus Access Roads. All
attachment shall not be accomplished by the use of toenails roads,driveways,or other means of access serving
or nails subject to withdrawal Where positive connection structures,facilities,buildings or portions of buildings
to the primary building structure cannot be verified during hereafter constructed,altered,moved into,or within,the
inspection,decks shall be self-supporting. Decks jurisdiction and developed under permit from Mason
connected to the structure shall be provided with an County shall meet the requirements of the fire apparatus
approved deck ledger connected with hot-dipped access road standards.(see detail pages contained within
galvanized or stainless steel lag screws,bolts,and washers this checklist
in accordance with the detail attached,"Deck Ledger
Attachment Details and Specifications."Girders 27. PIPE INST_1TJATTON:_R403.42. All hot and cold
supporting deck joists shall not be supported on deck water pipes installed outside the conditioned space shall be
ledgers or band joists.Deck lateral load connections shall insulated to a minimum of R-4.
be provided in accordance with R507.23. Decks more
than 30-inches above grade, shall be provided with hold- 28. GROUND COVER IN CRAWL SPACE:IRC
down tension devices,or be self-supporting. Hold-down R406.32,IECCIWSEC Table R402.4.1.1. A 6-mil thick
devices shall be installed in accordance with manufacturer polyethylene film ground cover shall be laid over the
specifications,in not less than two (2)locations per deck,
within 24 inches of the end of the deck with not less than ground within crawl spaces. The ground cover shall be
1,500 1design stress capacity. As an option,where a lapped 6" minimum at the joints and sealed with
deck is being added to an existing structure, 750# adhesive and shall extend to the foundation wall and be
bonded to form a seal The ground cover maybe omitted
capacity hold down devices may be installed at 4
locations,evenly distributed,within 2-ft of each end of in crawl spaces if the crawl space has a concrete slab with
a minimum thickness of 2 inches.
�r�ry-6oN co
°g MASON COUNTY
�_. `.. COMMUNITY SERVICES DEPARTMENT
Mason County Bldg.8,
-- - 615 W.Alder Street, Shelton,WA 98584
1854 s �.
w m:,„ , ww.co. ason.wa.us (360)427-9670 X352 Belfair(360)275-4467 X352
_72STANDARDS FOR INSTALLTION OF PROPANE TANKS
Intake to direct-
vent appliance
Window air conditioner
o= 10 ft(min) 5 ft_ (source of ignition)
(Note 1) M
Central A/C (m ) 10 ft(min)(Note 1)compressor 10 ft(min �er�(Note 2
(source of ignition) (Note 1)
0
k 0, 10 ft ; .p._ .. .-o; min)
Spy (min) (Note 2)
20
� Crawl space opening, Nearest line of adjoining
ga�W q /(min) window,or exhaust fan property that can be /
(Note 3) 10 ft(min) - built upon /
/.
ft(min)(N
(Note 3)
For SI units,1 ft=0.3048 m
Note 1:Regardless of its size,any ASME container filled on Note 2:Refer to 6.3.9.
site must be located so that the filling connection and fixed
maximum liquid level gauge are at least 10 ft from any Note 3:This distance maybe reduced to no less than 10 ft for a
extemal source of ignition(e.g.,open flame,window A/C, 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 ft from any other LP-Gas
to a mechanical ventilation system. container of more than 125 gal(0.5 m3)water capacity.Refer
Refer to 6.3.9. to 6.3.3.
FIGURE I.1(b) Aboveground ASME Containers. (This fqure for ittuslradve purposes only;code shalt govern.)
NFPA 58 Table 63.1 Separation distanced between containers,important buildings and other properties.
Minimum Distances
Water Capacity Mounded or Underground b
a Aboveground Containers Between
per Container Containers c
Containers
<125 d 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 10-ft from a building or property line that can be
built upon. (NFPA58 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 63.1.
(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.l(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 REOUMEMENTS:
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
oondtloner.(�urce
t;ert*AC [] min >t �D ft frolnj tAote'. J
C.Dinpressar ieYj; min
of kJ0m)
4ohdata�oG q.i Ba sf1
!r?y6rular t�&ed va-sate fraw Euiik tads
i�'mdtfWs;or 'taa
fxirSiv�its,1 it=a.�$ii's
.iariiaiuiirmm.a aval�lr}ari�d'ii a5+ay No1aI_-ff ec W.MISSedan.Sl*Di, -e:WAIuckihe
-*w any ex?eriarsarro�t 't�9 <+tL' Yrhr:efiree4 ' robt+gtbnr�ecti t aradeeritveQv musNbe 4t feast io ri fmm
vent applices,"or meahsrdcal i erstilaTotisrf-trrtak arty iidd direct_=verrt
Refer to M7, appliances or tiietlieairal venhlafion eif inlaites;
- Refei-tc 6.3.9.
Ntite�i49t�t't0;fi37., .
MANUFACTURED AND MOBILE HOMES
GENERAL REQUIREMENTS:
• All decks must be free standing not supported by manufactured home.
• Require egress decks and landings (4'x4") are included for Manufacture/Mobile
Homes, see deck handout for requirements. Decks over 4'x 4' and exceed 30"
from grade require a building permit.
• Covered decks regardless of size require separate permit. Any post height greater
than 10 ft will require a design professional to review, stamp and approve.
• Permanent Address must be posted and visible from the road
• Rebuilt decks are required to meet current code. All guardrails and handrails must
be in..good condition and meet code for year built if retained as is for replacement
unit. If new must meet current code.
• All exterior penetrations must be sealed
• H/VT Pressure relief line and dryer vent must exit skirting a minimum of 6"with a
maximum of 24" above grade.
• It shall be the responsibility of the person requesting the inspection to provide the
manufacturer specifications, ANSI Standards or approved engineered design for
the installation of the unit and have them available on site for inspection.
• Re-Inspection fees will be assessed each time an inspection is requested and
required items are not completed prior to the inspection being performed
• Any manufactured/mobile home and/or appurtenant structures found non-
compliant with any county or state regulation are subject to enforcement action
and subsequent violation and penalties pursuant to the Mason County Code.
MANUFACTURED HOME INSTALLATION INSPECTION CHECKLIST
❑ Installer Certification
If present during inspection,has the supervising installer shown proof of certification?
One or more Installer Certification Tags attached to the home indicating all installation work
performed by a certified installer? (Not required for work performed by homeowner,Park Model Manufactured
Homes, or Commercial Coaches.)If the unit was installed by a WAINS certified installer/contractor
since July 1, 2003, CTED Installer Tags must be available
❑ Site Preparation
Is the home site properly graded and sloped to prevent water from collecting under the home?
(Minimum of a 6 inch of fall within the first 10 feet around home.) If home is pit set and/or on a
sloping site, is natural drainage adequately diverted to prevent water from collecting under home?
See plan review checklist item#13 for more information.
❑ Installation Instructions
Are the manufacturer's installation instructions, instructions of an engineer or architect,or ANSI
A225.1 -1994 ed. (for relocated homes) available for use during inspection?
❑ Foundation & Support Piers
If applicable, are pre-poured concrete runners or full slabs placed to the minimum thickness
required by: 1) home manufacturer's instructions, 2) instructions of an engineer or architect, 3)
ANSI A225.1 -1994 ed. (for relocated homes)?
Do footings (individual pads,runners, or slabs)meet the local frost-depth requirements?
Are foundation pier pads and support piers sized and placed according to the specifications set
forth in the: 1) home manufacturer's instructions 2) instructions of an engineer or architect or 3)
ANSI A225.1 - 1994 ed. (for relocated homes)?
If prefabricated piers are used, are the piers installed according to the pier manufacturer's
instructions? Has engineering documentation been provided?
Are concrete piers shimmed and wedged so all piers make equal contact with the home? Or,are
metal piers adjusted and connected so all piers make equal contact with the home?
If an engineered full foundation system is installed, is the installation according to the system
manufacturer's instructions?Has engineering data been supplied?
❑ Anchoring
Are anchors spaced according to?
1) home manufacturer's installation instructions,
2) The instructions of an engineer or architect, or 3)ANSI A225.1 - 1994 ed. (for relocated
homes); and are they installed according to the equipment manufacturer's instructions?
All earthquake resistant bracing system is installed, is the installation according to the equipment
manufacturer's instructions? Has engineering data been supplied?
❑ Skirting
• Are skirting vents installed according to the home manufacturer's instructions? Min net
free area of not less than one square foot for each 150 square feet of under floor area as set
out in. (Homes sited in flood plains: Local jurisdictions determine venting requirements.)
• Is skirting made of materials suitable for ground contact?
• Is skirting recessed behind the siding or trim?
• Access openings located through the skirting wall shall be at least 16"x 24"inches located
so that all areas under the home are available for maintenance.Verify that skirting is
provided with a sufficient access cover. (See Checklist item 422 for more information)
HOWEVER, if the unit has not received a set up inspection and is skirted, 4 panels
centrally located(one on each side of unit) shall be removed by the owner/applicant prior
to requesting the inspection.
❑ Other
• Is a ground cover installed? (Minimum 6 mil black polyethylene or not required for full
concrete slab with minimum thickness of three and one-half inches.or Manufactured
Homes with factory installed porches,these require the porch be separated from rest of
crawl space no visqueen shall be placed under porch.)
• Are the structural connections of the home sections made per the manufacturer's
instructions?
• Is'the heating crossover duct connected properly with continuous insulation?
• Is the heating crossover duct supported off the ground? Minimum 4 inches clearance.
• Are the plumbing water and waste crossovers connected properly?
• Is the drain pipe supported according to the manufacturer's installation instructions?
• If under floor plumbing was shipped-loose,is it installed according to the instructions
provided by the home manufacturer?NOTE.Any deviation from the home manufacturer's
original design and instructions is considered an alteration to be permitted and inspected
by Department of Labor and Industries and must be completed by a certified plumber.
• Are all holes and tears in the belly fabric patched in an approved manner?
• Is the dryer vented to the exterior and 1) does it comply with the dryer manufacturer's
specifications; or 2)is metal with smooth interior surfaces used?
• Has the testing of water lines,waste lines, and gas lines been verified with the installer?
• Are heat pump and air conditioning condensation lines extended to the exterior of the
home?
• Is the water heater pressure relief valve terminated to the exterior and then down?
• Is water piping protected against freezing per the home manufacturer's instructions?
• Or is a heat tape listed for use with manufactured homes installed per the tape
• Manufacturer's instructions on site for inspection?
• Landings and stairs must meet the same setback conditions as any permitted structure; and,
must be shown on your site plan. Please check your"Approved Site Plan" to ensure these
structures are shown and meet the setback conditions listed.
• By definition,propane tanks and heat pumps are structures,which must meet setback
conditions. Please check your"Approved Site Plan"to ensure these structures meet the
setback conditions listed.
• All other necessary permits from Mason County, Washington State and/or Federal
Agencies that are required for this proposed development and construction must be
obtained prior to same development and construction.
WAC 296-150M designates the American National Standards Institute (ANSI) A225.1-
Manufactured Homes Installation as the back instructions for installing relocated mobile or
manufactured homes when the manufacturer's installation instructions are not available. Copies
of the standard are available from:
MASON COUNTY
COMMUNITY SERVICES
01& 1?lannirxg,: viron[rental.#9ea1i orininurirty Health:.
The following are details of the code requirements of the 2015 International
Residential Code for single-story decks. -
The 2015 International Residential Code Section R507 contains additional
information and details specific to deck construction.
New or e)isting Open guards on decks more than 30 inches above grade or floor below shall
Light required have members spaced so that a 4 inch dameter sphere cannot pass through.
Guard Openings for required Stairway Notes:
guards on the sides 1. Stairways shag be not less than 36"in width_
of stair treads 9W 2. Stairway risers shall be no greater than 7 3/4".
not allow a 4 3,18' 3. Stairway treads shall have a minimum run of 10'.
diametar sphere to 4. The length of Run and the height of Riser shall not
pass through. vary more than 3/8'in the run of the stair_
5. Stairs are required to be illuminated.
3T min. 6. Open risers are pern-itted if the opening is less
height than lir.
7. Tread nosing shag be not less than 314'but not
more than 1-1/4'on stairways with solid risers.
Except when treads are I or more.
8. Composite materials may require additional
hem
Deck
34-38'above
Less than nosing's
6'dia Handrail(See Details)
Guard required if 10`min.
more ttran 3Q' from nosing
to nosing
Landing same
Open risers 36'Min. vMth of stairs
Less than 4'
7 314'max rise Ru ished Bade
DECK POST HEIGHT (see footnote a)- Table R507.8
DECK POST SIZE MA DRUM HEIGHT (see footnote a)
4 X 4 8 feet
4 X 6 8 feet
6 X 6 14 feet
Footnote a:Measured to the underside of the beam
FOOTING REQUIREMENTS (All POST SIZES)
Reference: Table 4 of the American Wood Council Prescriptive Wood Deck Construction
Post Hei htsl Footing Sizes2
O
Cd t•` L. cn V
et y c y O
ti A x � aA LO F; H
< 10, 14' 14' 18" 16"xl6" 7"
6' < 14' 14' 14' 21" 1819xl8" 8"
<.18' 14' 12' 24" 21"x2l" 10"
<110, 14' 14' 20" 18"xl8" 8"
8' < 14' 14' 14' 24" 21"x2l" 10"
< 18' 13' 11' 27" 24"x24" 11"
< 10, 14' 14' 23" 20"x20" 9"
10, < 14' 13' ill 27" 24"x24" ill,
< 18' 11' 8' 31" 27"x27" 13"
< 10, 14' 12' 25" 22"322" 10"
12' < 14' 12' 9' 30" 26"x26" 13"
< 18' 9' 6' 34" 301lx30" 15"
< 10, 13' 11' 27" 24"x24" 11"
14' < 14' 10, 7' 1 32" 29"x29" 14"
< 18' 8' 2' 37" 337'x33" 16"
1 Assumes 40 psf Live load, 10 psf dead load,No 2,stress grade and wet services conditions.
z Assumes 1,500 psf soil bearing capacity and 150 pcf concrete.
3 Incising assumed for Douglas Fir-larch&Hem-fir.
4 Assume 2,500 psi compressive strength of concrete.Coordinate footing thiclmess with post base and anchor requirements.
•Deck footings closer than 5 feet to an exterior house foundation wall must bear at the same
elevation as the footing of the house foundation.
•Do not construct footing over septic systems, drainfields or utility lines.
•Pre-manufactured post anchors shall be galvanized or stainless steel.
FTypical Handrail Elevation- IRC Section 311.7.8
Haromils are conrinuous for. r-
the futt length of ft tttght. /��'�'f. �
Kona-ails way belotertupte3
.
by a m wet post at a turn. f`
Kandraft are
required on not
than OnO
ire of each ` e tetutnecf
con&wocis run of NI to the VMN fX teatiruarted
ea+is r�r`tl€ght in newel pvqft of
saw
-_Cft'iotdC of 33tlF� �i teitTttS
1
r � The eI�oftEte
E hid . M-sasumd
�-- -- Vetbtagy from the
sloped Otans adjoining
the try nosing.
Type 1 Handrails- IRC Section 311.7.8.3
a MMdam Of I=
Ttie » IS .
Pomew tiaasMsan hW*WUPAVM
try IWor &Z-"ia
-
=.
d non-circular ction
i
Type 11 Handrails- IRC Section 311.7.8.3
1-114" minimum - 2-3/4"
maximum
Sand smooth, no sharp
�rc��rs
314" maximum
Minimum •/
S/16" minimum
1-1/2" minimum
GUARD ELEVATION- IRC Section 312
Open stair handrail Open guard Solid guard
See page 2 for
acceptable handrail
shapes at guards.
v
c
0
U
to
The to of:guards for _t
stairways,:exclusive of o
their landings must o�'
have a minimum height a C'
of 34"measured a
vertically from the r Ca
nosing of the tread. IBI
rn Ca
tBt
A 1
OPEN RAILING TYPES
mo
A: A sphere 6"in diameter cannot
pass through o
m Co m
B: A sphere 4"in diameter cannot m
pass through m ZE o,
Grade or floor level m
G: A sphere 4-3/8"in diameter I m
cannot pass through �0
This guard illustration shows both open and solid guards
Guards shall be structurally designed to comply with IRC Table R301.5
SAFETY GLAZING:
Glazing where the bottom exposed edge of the glazing is less than 36 inches above
the plane of the adjacent walking surface of stairways, landings between flights of
stairs and ramps shall be considered a hazardous location. [IRC R308.4.6]
Glazing adjacent to the landing at the bottom of a stairway where the glazing is less
than 36 inches above the landing and within a 60 inch arc measured from the bottom
tread shall be considered a hazardous location. [IRC R308.4.7]
Deck plans must include the following plan details.
Drawings must include all structural details relative to your project.
r �
r
jE�;srrr�tff- 6 L
Win" «..�'}y i. t �r x „y, �� �"-•t,�Sys.g� i_��-�'.��.. � j^
F`
ttr f '¢'••� ~r< r�•� r� �e. -
imd
,gal rg
IY
EXAMPLE
PACK PLAN
EXAMPLE
LL I
Ul -J -
&.2ACIC �- rTTB; J=
30.'Erg