Loading...
The URL can be used to link to this page
Your browser does not support the video tag.
Home
My WebLink
About
BLD2018-00698 SFR - BLD Application - 7/2/2018
MASON COUNTY COMMUNITY SERVICES Permit No: _C 19 PERMIT ASSISTANCE CENTER: BUILDING•PLANNING•PUBLIC HEALTH•FIRE MARSHAL 615 W.Alder Street,Shelton,WA 98584 RECEIVED Phone Shelton:(360)427-9670 ext 352•Fax: ,gy 360 4 7-JJJT9g�^p�pn p BeBair.(360)2754467•Phone • 6 ✓ -j1269 �N ■ .,; JUL O BUILDING PM APPLICATION 2018 PROPERTY OWNER INFORMATION: CONTRACTOR INFORMATION: Aldet Street NAME:L 15 Idle�S� U-C_.. NAME: eA17 5 C C�5 - /, C7 MAILING ADDRESS: t� BOa /!. MAILING ADDRE S: t.d. 160K CITY: LL' STATE:j A- ZIP: _R 42 CTTY: A'LC,,N STATE: PHONE#1: 360 731-3 AC R PHONE: 3 6 0 -86(-CEL : 2690 PHONE#2: EMAIL: LT4>E/Nla[1K5 EMAIL: C off-( L&I REG# 66 3, 7-C36 EXP. PRIMARY CONTACT: OWNER❑ CONTRACTOR K OTHER❑ NAME H !L(O uK_. EMAIL - A 6 U e 1Q R-e5 Ai, C d MAILING ADDRESS PP. ,15CIN 1/S_3 CITY STATE - ZIP-Y 2 PHONE_ '3CQ Q . / 2 6 fc-CELL PARCEL INFORMATION: PARCEL NUMBER(12 Digit Number) � d�/��iCJZ� ZONING LEGAL DESCRIPTION(Abbreviated) FIRE DISTRICT Ill?,eOIJ SITE ADDRESS Is / 15 Eb L(�tI f1/ (e .� CITY LL. DIRECTIONS TO SITE ADDRESS AZelAf, '1QAZZ4.4J19 ,Orerl dpC, 4f16_ 2- 6 60 e_e'� v,ti! L E,-T- IS THE PROJECT WITHIN 300 FT OF SLOPE(S)GREATER THAN 14%: YES❑ NO K IS PROPERTY WITHIN 200 FT OF THE FOLLOWING: (checkalt that apply): SALTWATER❑ LAKE❑ RIVER/CREEK❑ POND❑ WETLAND❑ SEASONAL RUNOFF❑ STREAM❑ TYPE OF WORK: NEW�L ADDITION❑ ALTERATION❑ REPAIR❑ OTHER ❑ USE OF STRUCTURE(Residence,Garage,Commercial Bldg,Etc.)R1`iewcl'L-..r IS USE: PRIMARY❑ SEASONAL❑ NUMBER OF BEDROOMS 3 NUMBER OF BATHROOMS, r HEATED STRUCTURE? YES(Whole Bldg)❑ YES(Parr/s)ofBldg)❑ NO❑ DESCRIBE WORK SQUARE FOOTAGE:(propose+existing) 1ST FLOOR jMsq.ft. 2ND FLOOR — sq.ft. 3RD FLOOR sq.ft. BASEMENT I.L08 sq.ft. DECK — sq.ft. COVERED DECK=sq.ft. STORAGE — sq.ft. OTHER sq.ft. GARAGE 72 7 sq.ft. Attached g Detached❑ CARPORT sq.ft. Attached❑ Detached E], MANUFACTURED HOME INFORMATION: *4 COPIES OF THE FLOOR PLAN REQ MAKE /U MODEL YEAR LENGTH N )� WIDTH BEDROOMS BATHS SERIAL NUMBER V �G ENVIRONMENTAL HEALTH: SEWAGE/SEWER SOURCE: SEPTIC❑ SEWER / NEW ' EXISTING❑ PLUMBING IN STRUCTURE? YES X NO❑ Ifyes,attach completed Water Adequacy Form PERIMETER/FOUNDATION DRAINS PROPOSED? YES ' NO❑ EXISTING SQ.FT. EXISTING BEDROOMS PROPOSED BEDROOMS 3 TOTAL BEDROOMS OWNER acknowledges that 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 and 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 legal representative,represents that the information provided is accurate and grants employees of Mason County access to the above described properly and structure(s)for review and inspection. This pennit/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 CONTIN"-ION OF W F K ON THIS PERMIT IS BY MEANS OF INSPECTION. INACTIVITY OF THIS PERMIT A P I ATION 0,480 AYS OF MORE WILL CAUSE THE APPLICATION TO BE EXPIRED.(MASON COUNTY CODE 14.08.42) X , . 9 J uAJ 2.0JA nature o OYVN (Must be signed by the OWNER Date DE TMENTAL W APPROVED DATE DENIED DATE TAGS/NOTES/CONDITIONS BUILDING DEPARTMENT D G� 8 r f t t PLANNING DEPARTMENT FIRE MARSHAL PUBLIC HEALTH ®� MASON COUNTY COMMUNITY SERVICES ® RECEIVED —'/ Building,Planning,Environmental Health,Community Health 1. JUL 0 2 2018 Physical and Mailing Address: 615 W Alder St., Bldg 8, Shelton, WA 98584 Shelton Phone: (360)427-9670 ext 352 •:• Fax (360)427-7798 y1k, rJ W. Alder Street PLUMBING & MECHANICAL PERMIT APPLICATION Permit#: OWNER INFORMATION: CONTRACTOR INFORMATION: NAME: 414 ✓ ��s t� L C e_- MAILING ADDRESS: a. zD< �S'3 MAILING ADDRESS: &B B CA 115"3 CITY:_/�L L /�', STATE: c)d ZIP: !-� I,," CITY: flL L YAj STATE: LJI1 ZIP: V9 �-2 1s1 PHONE: PHONE: 5G'a 2 3 1 3�` ( CELL: 2ndPHONE: s�CD GoP - � C� EMAIL: (!- EMAIL: L&I REG# (e3,, 07-do EXP. PARCEL INFORMATION: PARCEL NUMBER (12 Digit Number): l'�'2 OS (ucLd Zoning:-- LEGAL DESCRIPTION (Abbreviated): 44A FeLfiko V ILL46fI 2. t/L 20 SITE ADDRESS: , t -f H&AA_;-rA1411( k//ft/ P9 CITY: ALC y';✓ 4.1 A ° DIRECTIONS TO SITE ADDRESS: A2zy^� I_AA€eA9ti)A .Dle ut•'Ti9/AJ 1/IiF LJ 2 RL"C e-5 Od L-4"F t. TYPE OF JOB/WORK: NEW ADD ALT REPAIR OTHER USE OF BUILDING_ PLUMBING FIXTURES MECHANICAL UNITS [] Electric in-wall heaters(no fee) Type of Fixture No. of Fixtures Fuel Type Fees Type of Unit No. of Units Fuel Type Fees Toilet(s) S Furnace [E/G/LPG] Bathroom Sink(s) V ce Heat Pump [E/G/LPG] Bath Tub(s) �_ o Ductless H.P. *7:-- - [E/G/LPG] Shower(s) Spot Vent Fan 3 Water Heater(s) / Ir /LPG] Propane Tank I a[.] Clothes Washer(s) a /LPG] Gas Outlet(s) Kitchen Sink(s) 2_ Heat Stove ! 6)G/LPG/W] Dishwasher(s) 1 Kitchen Exhaust Hood �— Hose bib(s) 3 Dryer Vent / Other Solar Panel Other Other Plumbing Subtotal Mechanical Subtotal Plumbing Base Fee Mechanical Base Fee Final Inspection Fee Final Inspection Fee TOTAL PLUMBING TOTAL MECHANICAL 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 str cture(s)for re . w and inspection.This permit/application becomes null&void if work or authorized construction is not commenced within 1 ays or if con ction work is suspended for a period of 180 days. PROOF OF CONTINUATION OF WORK IS BY MEANS OF INSPECTION.I IVITY OFT PERMIT APPLICATION OF 180 DAYS WILL INVALIDATE THE APPLICATION. Signature of p icant Date Owner/Owners Representati ontractor Print me (Circle one) DEPARTMENTAL REVIEW APPROVED DATE DENIED DATE TAGS/NOTES/CONDITIONS O Building DEL O Fire Marshal O r O Permit Tech (OTC permit only) Vr,it us on-hric: http.,J/www.co.rnason.waus/community_aev/ Rev 3/08/2017 Permit number BLD Mechanical Permit Checklist • Name of owner: VEA1Tu9X S Name of Installer: • Fuel Type? LPG Nat Gas Electric Other • If propane, what is the proposed size of tank(s)? 'o • What of mechanical unit will be installed? (i.e.freestanding stove,forced air furnace, etc.) M NF�I TES • If the unit is a wood stove,provide: Make � ,1--� Model Year Label Number • What is the use of the structure? (Circle one) �:Re�sidenti� ? Commercial (A permit application for a commercial mechanicalpermitpon satisfactory review by staff. Include a floor plan showing the location of units)and layout of duct work with the permit application.) • Type of structure: (Circle one Site Built Home Manufactured Home Other • What room will the mechanical unit be located? G,0-RG E • Will the unit be located in a basement? (circle one) Yes No • How will combustion air be supplied to the mechanical unlit? (Describe, i.e. direct vent, air inlets, etc.) • How will the mechanical unit be exhausted to the outside? N,4 lies to appliances using gas, oil or wood fuel. (Indicate B-vent, direct vent,L-vent,etc.) � • What year was the structure constructed? n-�9 J Was this structure part of a PUD upgrade? • What type of controls will be installed? (i.e. thermostat, etc.) '�t1Ke SETS • Will the proposed mechanical unit be a heat source?(circle one) Yes No • Additional information: Signature of Applicant mac/ y` Date 2 9 J uo#-1 2 O Typical mechanical fe s: Forced air furnace $ 18.30 Heat pump 18.20 Propane tank 73..00 Gas Outlets 6.20 additional outlets over 1-5($1.20 each after 5) Mechanical base fee 28.50 or$ 9.00 if base fee was paid on an active building or mechanical permit Freestanding unit, fireplace,pellet stove or wood stove $73.00 Final Inspection fee 73.00 RECEIVED o� JUL 0 2 2018 a 615 W. Alder Street ao.00 ulo� —D — mN O D N SIDEWALK O 20 PORCM rr err Aril bz Zi <pl N OOA I Oc r D IAzz rn O-{0ZNCO �Ud cfi T px Oz orn t N1 I� > 1 I D I I <_M 1 p I I O cu U) O goo APPRO ED I pNN MASON COUNU R C LANNIN TO BE ON SITE 1 SITE PLAN REQ CHANGES SUBJECTTO APPR VA 7 2, By 50.02'— NORTH L A PLANNING: ALL SETBACKS ARE MEASL RED FROM THE FURTI HEST PROJECTION OF THE BUI!. ING � YMOU TOM HER5TA►D BUILDING M516N INC. SITE PLAN 296 TRENOW Sf.,PORT ORCWRD,WA 98366 • 360-876-6893 FAX-876-7419 E-WVL-offceVorn:: dsom RECEIVED d� JUL 0 2 2018cl 615 W. Alder Street O�M A o SIDEWALK O 20' PoRG err I �rny pdz <tU N -mtjd I � x O�y Xi �c O I zz n rn I p�N j0 rn 1 rr^^ I Q rn ti I I� > I I D � I I A> I I O w,,r rrnn t cu I i Ap0 00� I NON 1� -T1L� - - 80.02' NORTFf PPROVE M:> AUG 15 2018 MASON COUNTY ENVIRONMENTAL N11�R�CZ�I�NTA� ENTALHEALTH WLJ HEA�1H � YMO� TOM HERSTAD i BUILDIN6 DM16N ING. SITE PLAN 296 iRENONf Sf PORTORCHY D,WA 96366 360 876 6893 FAX—876-7419 E—VAL—otllceMomherstad.com Simple Heating System Size:Washington State RECEIVED This heatino system sizing calculator is based on the Prescriptive Requirements of the 2012 Washington Stat r Code SEC and ACCA Manuals J and S.This calculator will calculate heating loads only.ACCA procedures for sizing cooling systemd U&IdWuQfljfi determine cooling loads. The glazingwindow and door portion of this calculator assumes the installe oor product ��rQ� i ht average U-factor of 0.30. The incorporated insulation requirements are the minimum prescriptive am cifi p e Z017W5EC""'�� tfeet Please fill out all of the green drop-downs and boxes that are applicable to your project.. c' s in the drop-downs for each section, some values will be calculated for you.If you do not see the selection you need in the drop-down i r e call the WSU Energy Extension Program at(360)956-2042 for assistance. Project Information Contact Information 115 Ventures 12220510002 Lawrence Seymour(360)801-2690 PO Box 1153 Jill Seymour(360)731-3868 Heating System Type: &I other systems Qieat Pump To see detailed instructions for each section,place your cursor on the word"Instructions". Design Temperature Instructions Design Temperature Difference(AT) 40 Grapeview pT=Indoor l70 degrees)-outdoor Design Temp Area of Building Conditioned Floor Area Instructions Conditioned Floor Area(sq ft) Average Ceiling Height Conditioned Volume Instructions Average Ceiling Height(ft) 25,160 Glazing and Doors U-Factor X Area = UA Instructions 0.30 115.20 Skylights U-Factor X Area = UA Instructions 0.50 --- Insulation Attic U-Factor X Area = UA Instructions R-49 0.026 43.81 Single Rafter or Joist Vaulted Ceilin s U-Factor X Area UA Instructions R-38Vented 0.027 6.80 Above Grade Walls(a"Figure 1) U-Factor X Area UA Instructions R-21 intermediate 0.056 12.10 Floors U-Factor X Area UA Instructions Select R-Value No selection --- Below Grade Walls(am Figure d) U-Factor X Area UA Instructions R-2t Interior 0.042 2.10 Slab Below Grade(see Figure 1) F-Factor X Len th UA Instructions Select conditioning No selection --- t Slab on Grade lase Figure 1) F-Factor X Len UA Instructions R-10 Fully Insulated 0.360 434.88 Location of Ducts Instructions Duct Leakage Coefficient Conditioned Space 1.00 Sum of UA 614.89 Envelope Heat Load 24,596 Btu/Hour Figure 1. SumofUAXAT Air Leakage Heat Load 10,869 Btu/Hour volumeX 0.5Xe7X.018 Above Grade Building Design Heat Load 35,465 Btu/Hour Air Leakage+Envelope Heat Loss Building and Duct Heat Load 35,465 Btu/Hour Ducts in unconditioned space:Sum of Building Heat Loss X 1.10 Ducts in conditioned space:Sum of Building Heat Loss X 1 Maximum Heat Equipment Output 49,651 Btu/Hour Building and Dud Heat Loss X 1.40 nor Forced Air Fumace Building and Dud Heat Loss X 1.25 for Heat Pump (07101113) MASON COUNTY DEPARTMENT OF COMMUNITY SERVICES BUILDING DIVISION SHELTON (360) 427-9670 BELFAIR (360) 275-4467 Elma (360) 482-5269 FAx: (360) 427-7798 WEB SITE: www.co.mason.wa.us 615 W ALDER STREET, SHELTON 98584 2015 International Energy Conservation Code, as amended by WAC 51-11 (IECC) Effective July 1, 2016. Ventilation code provisions are located in the 2015 International Residential Code (IRC), 2015 International Mechanical Code (IMC), & 2015 International Building Code A complete energy code application form will include information that clearly identifies compliance methods for heat sizing, thermal envelope, and whole-house ventilation. This form includes compliance instructions and information needed. Energy code compliance information, forms, worksheets, and educational information is also available on the Washington State University Extension Energy Program (WSU-EP) website. To access the website go to hftp://www.enerqV.wsu.edu/BuildingEfficienc-y/EnerqVCode.aspx . The website includes a heat system sizing calculator. Submit a completed heat sizing calculator worksheet when the building permit is submitted. In addition to the heat sizing calculator the website has helpful compliance information and worksheets for prescriptive and component performance options along with a glazing schedule. INSTRUCTIONS: Complete the Mason County Energy Code application and submit with a heat sizing calculator available on the WSU-EP website, see item# 4 below: 1 Identify the compliance method. The most common and simplest approach is the prescriptive method for energy code compliance. See prescriptive table R402.1.1 located in the instructions. The Performance Alternative approach referenced in IECC Section R405 may also be used for energy code compliance. For more information contact Mason County Building Department staff at (360) 427-9670 ext. 352 or WSU Energy Program at (360) 956-2042. Compliance must be shown on your construction drawing in addition to this application. 2 Identify the whole-house ventilation compliance method. A ventilation system must be installed in accordance with The International Residential Code, Section M1507. The most common ventilation methods include a whole-house ventilation system using exhaust fans (M1507.3.4) and a whole-house ventilation system integrated with a forced-air system (Ml507.3.5). Other ventilation systems include whole-house ventilation system using a supply fan (M1507.3.6) and whole-house ventilation system using a heat-recovery ventilation system (M1507.3.7). Ventilation openings are required in each habitable room in accordance with M1507.3.4.4. If you need additional information we recommend that you discuss with your heating and ventilation system professional. In addition Mason County staff will be happy to discuss the options if you are not sure which compliance option will work for you. 3 Identify the Additional Energy Efficiency Requirements listed in Table R406.2. The drawings included with the building permit application must show and identify which options have been selected and the point value of each option. Each one and two-family dwelling unit and townhouses are required to achieve the following minimum number of credits: a) Small dwelling units: less than 1500 sq. feet of heated or cooled floor area and less than 300 sq. ft fenestration area (skylights, doors, windows. etc). Additions to existing building that are greater than 500 sq. ft. of heated floor but less than 1500 sq ft of area. Requires 1.5 credits b) Medium dwelling units that are not included in (a) above {small dwelling}, OR (c) below {large dwelling) Requires 3.5 credits EXCEPTION: Dwelling units serving R-2 occupancies shall require. Requires 2.5 credits. I (R-2 occupancy is Residential occupancies containing sleeping units or more than two dwelling units where the occupants are primarily permanent in nature, including.- Apartment houses, Boarding houses (non-transient) with more than 16 occupants, Congregate living facilities (non-transient) with more than 16 occupants, Convents, Dormitories, Fraternities and sororities, Hotels (non-transient), LiveAvork units, Monasteries, Motels (wn-transient), Vacation timeshare properties.) t c) Large dwelling unit is a dwelling unit that exceeds 5,000 sq. ft. of heated or co61 4 j ea. Requires 4.5 credits. ° K`' d) Additions less than 500 sq feet. Requires .5 credits 4 Must provide a completed heating/cooling system size worksheet to verify compliance to IECC R403.7. The calculator/worksheet is available on the WSU-Energy Program website at: http://www.energV.wsu.edu/Documents/Heat Sizing code%20specs final 2015.xls. Staff may be able to assist with preparation of the worksheet. 5 Must meet the prescriptive option for all fenestration products. Products shall comply with the required U- factor listed in Table R402.1.3. Windows, doors, and glazed doors shall have a tested U-factor or .30 or less. When using the small dwelling option for energy credits (a) or Performance Alternative approach you must provide a fenestration schedule that identifies the square feet and LI-factor of each item. Fenestration is defined in the IECC as skylights, roof windows, vertical windows, opaque doors, glazed- doors that include products with glass and non-glass glazing materials. 6 Identify on the construction drawings the location and fuel type of the heating system, water heater, location of exhaust fans (bathroom, laundry, kitchen, etc.) and R-factor of proposed insulation for walls, floors, ceilings, and concrete slab floors on the building plans. 7 Not less than 75% of all permanently installed lamps in lighting fixtures shall be high efficacy lamps. High efficacy lamps are defined in IECC Chapter 2 and are considered compact fluorescent lamps, T-8 or smaller diameter linear fluorescent lamps, or lamps with a minimum efficacy 60 lumens per watt for lamps over 40 watts, 50 lumens per watt for lamps over 15 watts to 40 watts, and 40 lumens per watt for lamps 15 watts or less. If you need assistance please contact Mason County Community Development at (360) 427-9670 ext. 352 or WSEC compliance information and code text is also available on the WSU-Energy Program website at: http://www.energy.wsu.edu/BuildingEfficiencv/EnergyCode.aspx Prescriptive Requirements 00 for Mason County Climate Zone 4-C, Table R402.1.1 Fenestration Glazing U-factor Wall Area % Vaulted Wall Slab don Option of Floor Vertical Skylight Ceiling Ceiling I Above int c,n below grade Floor Grade (InGudes doors, b Grade windows.etc. R-10, 2 ft R-21 10/15/21 int+ Heated slabs 4C Unlimited 30 .50 R-49 R-38 int Q TB R-30 require R10 jC full slab. Log & solid timber wall with a min. avg. thickness of 3.5" are exempt from the above grade wall insulation requirements. All footnotes are available on WSU-Energy Program Website @ http://www.energy.wsu.edu/BuildingEfficiencv/EnergvCode.aspx 2 MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT ` WSEC/Ventilation Code Compliance Application Submit with heating/cooling system size worksheet (see instructions #4) Owner: Parcel#: Type of project: Total Sq. Ft. 111 Floor: 2"d floor. Heated Basement: of heated area:: 1937 54 _ 1,Z6 i' S P F%. Heating System Type: O Electric wall heater O Electric Central Furnace O LPG Furnace O Heat Pump with electric furnace O Heat pump with gas furnace 1J(Ductless Heat Pump O Boiler, specify fuel type: O Other: Specify: Prescriptive Option Table R402.1.1 (see table on previous page) Compliance Method ElComponent Performance, R402.1.3 — Calculation worksheets required Must Check one:: ❑ Other (Specify): Check one ❑ Whole House Ventilation system Whole House Ventilation Ventilatio using exhaust fans &window or wall Integrated with a Forced Air ❑ Other, describe: fresh air vents (M1507.3.4). If using System (M1507.3.5) n System window vents be sure to order windows with vents. Referencing Table R406.2, "Additional Residential Energy Efficiency Requirements," all residential units must develop credits as specified in Table 406.2. Identify and describe which option(s) will be used to comply. If the table is not attached to this form you can access the table on our website at.- http://www.co.mason.wa.us/forms/Community Dev/iecc wsec.pdf Additional a) Description: Small dwelling units: less than 1,500 sq. feet of heated or cooled floor area and less than 300 sq. ft fenestration area (skylights, doors, windows, etc). Energy *Including additions to existing building that are greater than 500 sq. ft. of heated floor Efficiency Requirem but less than 1,500 sq ft of floor area. Requires 1.5 credits ents b) Medium dwellin u ' s that are no uded in (a) above {small dwelling), OR (c) below Energy {large dwel ' g} Requires 3.5 credits credits EXCEPTION: ng R-2 occupancies shall require. Requires 2.5 required: credits. See page two for description. c) Large dwelling unit is a dwelling unit that exceeds 5,000 sq. ft. of heated or cooled floor area. Requires 4.5 credits d) Additions less than 500 sq feet. Requires .5 credits (Fenestration is defined in the IECC as skylights, roof windows, vertical windows, opaque doors, lazed-doors that include products with glass and non-glass glazing materials. Describe Energy Credit Option(s): Using Option number(s): A� 3 FENESTRATION'SCHEDULE USE FOR ENERGY CREDIT, a) SMALL DWELLING OPTION & COMPONENT PERFORMANCE COMPLIANCE List all windows, doors, skylights. (If needed, attach an additional sheet) 'Fenestration is defined in IECC Chapter 2 as skylights, roof windows, vertical windows, opaque doors, glazed-doors that include products with glass and non- lassqlazin_q materials. Manufacturer Location U-Factor Size Quantity Total (rough opening) Square Feet . 36 3 o 5- d 10vj 930 ! a i ,OWN' e 3 a S U . "TC1-/ . 3 0 v x'7e 4/ SL 64 b _3 0 6 o a, s- H*see S[ G� 3c t<t//l e SL G-c /-) . 70 vlo 0, MAW- 1909Tl( 36 p qA IZ 2 7- 2 o colt t.`14bdc I 3° � Q S" U ap , ° 3° Total Fenestration: windows, skylights and door area 3 g'K Energy Credits 4 (2015 WSEC - Table 406.2) OPTION DESCRIPTION CREDITS) la EFFICIENT BUILDING ENVELOPE I a: Prescriptive compliance is based on Table R402.1.1 with the following modifications: Vertical fenestration U =0.28 • Floor R-38 Slab on grade R-10 perimeter and under entire slab Below grade slab R-10,perimeter and under entire slab or Compliance based on Section R402.1.4: Reduce the Total UA by 5%. lb EFFICIENT BUILDING ENVELOPE Ib: 1.0 Prescriptive compliance is based on Table R402.1.1 with the following modifications: Vertical fenestration U =0.25 Wall R-21 plus R-4 Floor R-38 Basement wall R-21 int plus R-5 ci Slab on grade R-10 perimeter and under entire slab Below grade slab R-10 perimeter and under entire slab or Compliance based on Section R402.1.4: Reduce the Total UA by 15%. lc EFFICIENT BUILDING ENVELOPE lc: Prescriptive compliance is based on Table R402.1.1 with the following modifications: Vertical fenestration U =0.22 Ceiling and single-rafter or joist-vaulted R-49 advanced Wood frame wall R-21 int plus R-12 ci Floor R-38 Basement wall R-21 int plus R-12 ci Slab on grade R-10 perimeter and under entire slab Below grade slab R-10 perimeter and under entire slab or Compliance based on Section R402.1.4: Reduce the Total UA by 30%. Id' EFFICIENT BUILDING ENVELOPE 1 d: 0.5 Prescriptive compliance is based on Table R402.1.1 with the following modifications: Vertical fenestration U=0.24 2a AIR LEAKAGE CONTROL AND EFFICIENT VENTILATION 2a: 0.5 Compliance based on R402.4.1.2: Reduce the tested air leakage to 3.0 air changes per hour maximum and All whole house ventilation requirements as determined by Section M1507.3 of the International Residential Code shall be met with a high efficiency fan(maximum 0.35 watts/cfm),not interlocked with the furnace fan.Ventilation systems using a furnace including an ECM motor are allowed,provided that they are controlled to operate at low speed in ventilation only mode. To qualify to claim this credit,the building permit drawings shall specify the option being selected and shall specify the maximum tested building air leakage and shall show the qualifying ventilation system. 2b AIR LEAKAGE CONTROL AND EFFICIENT VENTILATION 2b: 1.0 Compliance based on Section R402.4.1.2: Reduce the tested air leakage to 2.0 air changes per hour maximum and All whole house ventilation requirements as determined by Section M1507.3 of the International Residential Code shall be met with a heat recovery ventilation system with minimum sensible heat recovery efficiency of 0.70. To qualify to claim this credit,the building permit drawings shall specify the option being selected and shall specify the maximum tested building air leakage and shall show the heat recovery ventilation system. 5 OPTION DESCRIPTION CREDIT(S) " 2c AIR LEAKAGE CONTROL AND EFFICIENT VENTILATION 2c: 1.5 Compliance based on Section R402.4.12: Reduce the tested air leakage to 1.5 air changes per hour maximum and All whole house ventilation requirements as determined by Section M1507.3 of the International Residential Code shall be met with a heat recovery ventilation system with minimum sensible heat recovery efficiency of 0.85. To qualify to claim this credit,the building permit drawings shall specify the option being selected and shall specify the maximum tested building air leakage and shall show the heat recovery ventilation system. 3a HIGH EFFICIENCY HVAC EQUIPMENT 3a: 1.0 Gas,propane or oil-fired furnace with minimum AFUE of 94%,or Gas,propane or oiled-fired boiler with minimum AFUE of 92% To qualify to claim this credit,the building permit drawings shall specify the option being selected and shall specify the heating equipment type and the minimum equipment efficiency. 3b HIGH EFFICIENCY HVAC EQUIPMENT 3b: 1.0 Air-source heat pump with minimum HSPF of 9.0 To qualify to claim this credit,the building permit drawings shall specify the option being selected and shall specify the heating equipment type and the minimum equipment efficiency. 3c HIGH EFFICIENCY HVAC EQUIPMENT 3c: 1.5 Closed-loop ground source heat pump;with a minimum COP of 3.3 or Open loop water source heat pump with a maximum pumping hydraulic head of 150 feet and minimum COP of 3.6 To qualify to claim this credit,the building permit drawings shall specify the option being selected and shall specify the heating equipment type and the minimum equipment efficiency. 3d HIGH EFFICIENCY HVAC EQUIPMENT 3d: 1.0 Ductless Split System Heat Pumps,Zonal Control:In homes where the primary space heating system is zonal electric heating,a ductless heat pump system shall be installed and provide heating to the largest zone of the housing unit. To qualify to claim this credit,the building permit drawings shall specify the option being selected and shall specify the heating equipment type and the minimum equipment efficiency. 4 HIGH EFFICIENCY HVAC DISTRIBUTION SYSTEM: 1.0 All heating and cooling system components installed inside the conditioned space. This includes all equipment and distribution system components such as forced air ducts,hydronic piping,hydronic floor heating loop,convectors and radiators.All combustion equipment shall be direct vent or sealed combustion. For forced air ducts:A maximum of 10 linear feet of return ducts and 5 linear feet of supply ducts may be located outside the conditioned space.All metallic ducts located outside the conditioned space must have both transverse and longitudinal joints sealed with mastic.If flex ducts are used they cannot contain splices.Flex duct connections must be made with nylon straps and installed using a plastic strapping tensioning tool. Ducts located outside the conditioned space must be insulated to a minimum of R-8. Locating system components in conditioned crawl spaces is not permitted under this option. Electric resistance heat and ductless heat pumps are not permitted under this option. Direct combustion heating equipment with AFUE less than 80%is not permitted under this option. To qualify to claim this credit,the building permit drawings shall specify the option being selected and shall specify the heating equipment type and shall show the location of the heating and cooling equipment and all the ductwork. 6 OPTION DESCRIPTION 5a EFFICIENT WATER HEATING 5a: 0. All showerhead and kitchen sink faucets installed in the house shall be rated at 1.75 GPM or less.All other lavatory faucets shall be rated at 1.0 GPM or less.' To qualify to claim this credit the building permit drawings shall specify the option being selected and shall specify the maximum flow rates for all showerheads,kitchen sink faucets,and other lavatory faucets. 5b EFFICIENT WATER HEATING 5b: 1.0 Water heating system shall include one of the following: Gas,propane or oil water heater with a minimum EF of 0.74 or Water heater heated by ground source heat pump meeting the requirements of Option 3c. or For R-2 occupancy,a central heat pump water heater with an EF greater than 2.0 that would supply DHW to all the units through a central water loop insulated with R-8 minimum pipe insulation. To qualify to claim this credit the building permit drawings shall specify the option being selected and shall specify the water heater equipment type and the minimum equipment efficiency. 5c EFFICIENT WATER HEATING 5c: 1.5 Water heating system shall include one of the following: Gas,propane or oil water heater with a minimum EF of 0.91 or Solar water heating supplementing a minimum standard water heater. Solar water heating will provide a rated minimum savings of 85 therms or 2000 kWh based on the Solar Rating and Certification Corporation(SRCC)Annual Performance of OG-300 Certified Solar Water Heating Systems or Electric heat pump water heater with a minimum EF of 2.0 and meeting the standards ofNEEA's Northern Climate Specifications for Heat Pump Water Heaters To qualify to claim this credit the building permit drawings shall specify the option being selected and shall specify the water heater equipment type and the minimum equipment efficiency and,for solar water heating systems,the calculation of the minimum energy savings. 5d EFFICIENT WATER HEATING 5d: 0.5 A drain water heat recovery unit(s)shall be installed,which captures waste water heat from all the showers,and has a minimum efficiency of 40%if installed for equal flow or a minimum efficiency of 52%if installed for unequal flow.Such units shall be rated in accordance CSA B55.1 and be so labeled. To qualify to claim this credit the building permit drawings shall include a plumbing diagram that specified the drain water heat recovery units and the plumbing layout needed to install it and labels or other documentation shall be provided that demonstrates that the unit complies with the standard. 6 RENEWABLE ELECTRIC ENERGY: 0.5 For each 1200 kWh of electrical generation per each housing unit provided annually by on-site wind or solar equipment a 0.5 credit shall be allowed,up to 3 credits. Generation shall be calculated as follows: For solar electric systems,the design shall be demonstrated to meet this requirement using the National Renewable Energy Laboratory calculator PVWATTs. Documentation noting solar access shall be included on the plans. For wind generation projects designs shall document annual power generation based on the following factors:The wind turbine power curve;average annual wind speed at the site;frequency distribution of the wind speed at the site and height of the tower. To qualify to claim this credit the building permit drawings shall specify the option being selected and shall show the photovoltaic or wind turbine equipment type, Provide documentation of solar and wind access,and include a calculation of the minimum annual energy power production. a.Projects using this option may not use Option la,lb or lc. b.Projects may only include credit from one space heating option,3a,3b,3c or 3d.When a housing unit has two pieces of equipment(i.e.,two furnaces)both must meet the standard to receive the credit. c.Plumbing Fixtures Flow Ratings.Low flow plumbing fixtures(water closets and urinals)and fittings(faucets and showerheads)shall comply with the following requirements: 1.Residential bathroom lavatory sink faucets:Maximum flow rate-3.8 L/min(1.0 gaFmin)when tested in accordance with ASME A112.18.1/CSA B125.1. 2.Residential kitchen faucets:Maximum flow rate-6.6 L/min(1.75 gal/min)when tested in accordance with ASME A112.18.1/CSA B125.1. 3.Residential showerheads:Maximum flow rate-6.6 L/min(1.75 gal/min)when tested in accordance with ASME A112.18.1/CSA B125.1 7 Name Q-5 � �� ZL Parcel# /2 �S ®AOC.e3n BLD# Mason Could Department of Community Develo/& CEIVED Small Parcel Stormwater Management Application/Worksheet (pagk ) 15 H! AI�/ Based Upon the information you have provided a Stormwater Site Plan IS Required for this development ac��t treet Title 14, Chapter 14.48 of the Mason County Code(MCC)regulates compliance requirements for Stormwater Management in this jurisdiction.A complete copy of the ordinance can be found on the Mason County website: http//www.co.mason.wa—us/code/comrnissioners/index.htm Please follow the links to "Title 14, Chapter 14.48 Stormwater Management". Regulated activities shall be conducted only after Mason County Public Works approves a stormwater site plan (Mason County Code Title 14 Chapter 14.48 section 14.48.70).You will receive a copy of the Public Works document entitled "Managing Storm Drainage on Small Lots,The Small Parcel Stormwater Site Plan".This document will assist you in preparing the necessary information and plans for Public Works to review and approve. Per Department of Public Works this document will constitute an approved plan if all of the relevant details* are to be installed in their entirety AND no part of the stormwater system adversely affects any septic system (see Environmental Health information below). If an alternative system is to be used a plan will need to be submitted to Public Works for approval. A design by a registered professional may be required for more complex sites. *These details are found in the document Managing Storm Drainage on Small Lots, The Small Parcel Stormwater Site Plan on the pages that begin with"Handout" PLEASE INITIAL BELOW TO INDICATE THE STORMWATER MANAGEMENT PLAN FOR THIS SITE A) The relevant details from Managing Storm Drainage on Small Lots, The Small Parcel Stormwater Site Plan will be installed in their entirety AND the system will be located as not to adversely affect any septic systems on this,or any other,parcel. B) An alternative plan and/or professional design will be submitted to the Department of Public Works for approval AND the system will be located as not to adversely affect any septic systems on this,or any other,parcel. If you have further questions pertaining to parcel drainage and stormwater management Mason County's Public Works Department can provide additional instructions,guidance and examples. (Section 14.48.130)contact Public works at: Phone: 360-427-9670 ext 450 100 W. Public Works Dr Shelton.WA 98584 If this development has, or will have,a septic/drainfield system you may need to contact 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. Mason County Division of Environmental Health can be reached at: Phone: 360-427-9670 ext 400 415 N. 6th St—Bldg#8 lower level Shelton.WA 98584 A condition will be added to the building permit that states, in part,that all conditions the stormwater site plan will be met prior to a request for final inspection of the building permit. Owner/Builder/Agent Acknowledges that submission of inaccurate information may result in a stop work order or permit revocation. Acknowledgement f such is by si ture below. I declare that I am the owner,owner's legal representative,or the contractor.I further ackno a that the inoWation provided is accurate and employees of Mason County are granted access to the above- described for revie d inspection as may be required. X Owner/Agent/Contractor(circle one)Date: ✓ wj 2B l Pag 2 of 2 Name �'�S `��� �S Parcel# 12220 O© �odl BLD# Mason County Department of Community Development Small Parcel Stormwater Management Application/Worksheet (page 1 of 2) Per Mason County Code,Title 14,Chapter 14.48 a stormwater site plan is required whenever a building application is made for residential development, or redevelopment',with more than 2,000 square feet of impervious surface 2. 'Redevelopment means,on an already developed site,the creation or addition of impervious surfaces,structural development including construction,installation or expansion of a building or other structure,and/or replacement of impervious surface that is not part of a routine maintenance activity,and land disturbing activities associated with structural or impervious redevelopment. 'Common impervious surfaces include,but are not limited to,rooftops,walkways,patios,driveways,parking lots or storage areas, concrete or asphalt paving,gravel roads,packed earthen materials,and oiled,macadam or other surfaces which similarly impede the natural infiltration of stormwater.Open,uncovered retention/detention facilities shall not be considered as impervious surfaces. To Calculate Impervious Surfaces Please Complete-This Table Surface Type Length X Width = Area *All dimensions in feet Buildings X = X = Measurements for buildings are taken at the perimeter of the farthest projections(example: X = eaves/gutters) X = Driveways X = X = Length of drive begins at the right of way X = Parking Areas X = X = Any paved, gravel or packed area per definition above table X = Patios/Walks X = X = Any paved, gravel or packed area per definition above table X = Others X = X = If the total impervious area of the proposed site X = development is greater than 2000 square feet a Small Parcel Stormwater Site Plan is Required Total Impervious Surface Area(sum of all areas) If the Total Impervious Surface Area is LESS THAN 2000 Square Feet, please read,acknowledge and sign below. Based Upon the information you have provided a Stormwater Site Plan IS NOT required for this development activity. Owner/Builder/Agent Acknowledges that 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,owner's legal representative,or the contractor.I further acknowledge that the information provided is accurate and employees of Mason County are granted access to the above- described property for review and inspection as may be required. X Owner/Agent/Contractor(circle one)Date: If the Total Impervious Surface Area is GREATER THAN 2000 Square Feet, please read,acknowledge and sign the information provided on page 2 of 2. Page 1 of 2 Appendix A — Lake Land Village Stormwater Facility Information LAKELAND VILLAGE STORM DRAINAGE REPORT December 6t", 2006 By: Pat McCullough, PE INTRODUCTION: This report is being prepared at the request of the Mason County Planning i Department for submittal to the Washington State Growth Management Board. The purpose of this report is threefold- 1. To describe the existing storm drainage facilities in Lakeland Village. 2. To evaluate conveyance and water quality performance of the existing storm j drain system in Lakeland Village. I 3. To propose design criteria for the future development of Lakeland Village that complies with the current Mason County storm water ordinance and preserves the water quality of Anderson Lake and Lake Deveraux. (Authors Note:Lake Deveraux can be spelled Lake Devereaux) i EXISTING CONDITIONS: Area Description: Lakeland Village in located on the western boundary of the Allyn Urban Growth Area. The development includes approximately 775 acres of land, of which 649 acres is developed. Lakeland Village is currently approved for a total of 942 residential units. As of December, 2006 approximately 750 residential units have , been constructed in the development. The development is served water by the Lakeland Village Water Company. Sewer is provided by Mason County via the North Bay Sewer System. The development includes and 27 hole golf course and numerous other community facilities. Table 1 below presents a time table of the development of the property from 1966 to present. Figures 1 and 2 presents a 2005 the watershed boundaries, areas, and topography. 1 J TABLE 1 LAKELAND VILLAGE DEVELOPMENT HISTORY ' NO.OF DIVISION NO. DATE PLATTED LIVING UNITS REMARKS 1 5/2/1966 150 Lot 151 -Lake 2 7/18/1967 27 3 7/2411967 10 4 7/17/1969 37 5 4/22/1970 115 Lot 116-Canal Generation 1 Golf 1970 Lot 89-Clubhouse Course-9 Holes 6 7/2711970 88 7 11/17/1975 84 Lot 41-Dam 8 8/27/1979 14 9 4/28/1980 21 Lots A Tennis 10 1/1811982 19 Lot B Stables Generation 2 Golf 1985 Couse-9 Holes 11 1/10/1985 134 Lot 136 Pro Shop,Lot 135 Condo Site 11 A 1/22/1991 28 Generation 3 Golf 1995 Course-9 Holes 12-A 1995 137 Phase 1 12-B 2000 78 Phase 2 !I Subtotal 942 Living Units 94 Condominiums 848 Residential Lots I` 2 ' a �r ( fff �•� F 1 `��J - r ,d 07 n , y ! 'F MAW !str•::` _ ' 94 ell ;;. yg .. �' +f•1 t1s,a •ta' ;.-py.` Pk v III t�ye a �1i.e,NljJg4/�) ;V =f i��� Fff � f759�• [.�� � � ! yp L_. :C''4,���.,�@yN-IIG� IYtll�l '9S9yJ' —fieF� Fig;a h A 0-ma ! r M q ^• 4i Wit' 4�w �`", � �i s ® IR Old N, f� � M.�Sa; Norma Silt Loam: A deep basin soil of glacial origin that has a dark colored silt loam surface high in organic matter over stratified layers of porous gravels and sands, silt lenses and compacted clay and sand layers. This moderately high fertile soil has a high water table and needs drainage for maximum crop production. Norma Silt Loam is a Class D soil. Alderwood Gravelly Sandy Loam: A glacial till upland soil having a brown surface over a cemented gray hardpan that begins at about 24 inches. This gravelly, droughty, infertile soil is best adapted to tree growing. Alderwood Gravelly Sandy Loam is Class C soil. The upper 2 to 4 feet is typically free draining in its undisturbed state and readily absorbs rain water. Sinclair Shotty Loam: A glacial till upland soil having a shotty, grayish- brown acid surface over a cemented gray hardpan that begins at about 28 inches. This low fertility soil needs drainage for the best crop production and is excellent for growing trees. Sinclair Shotty Loam is a Class C soil. I Everett Gravelly Sandy Loam: These are excessively drained pale- brown gravelly soils developed upon loose, porous glacial drift and outwash gravels at about 18 inches in depth. These shallow, gravelly droughty, low fertility soils are best adapted to Christmas tree growing. } Everett Gravelly Sandy Loam is a Class A soil. It is free draining and can infiltrate over 20 inches of water an hour. ; Everett Gravelly Loamy Sand: These are excessively drained, coarse 1 textured, gravelly terrace and upland soils with loose gray gravels and sands beginning at about 12 inches in depth. These shallow, gravelly, j very drought, low fertility soils are best adapted for Christmas tree j growing. Everett Gravelly Loamy Sand is a Class A or B soil. Orcas Peat, shallow: An organic soil composed mostly of sphagnum moss. This low fertility peat is unfit for agricultural use. Orcas Peat, shallow is class D soil. i Mukilteo Peat: An organic soil composed largely of remains of sedges and coarse water-tolerated grasses. It occupies very poorly drained I basins which remain very wet throughout most of the year unless artificial drainage is furnished. Depth to mineral substratum is over 24 inches. Mukilteo Peat is a class D soil. i 3 1 i Semiahmoo Muck: A black colored muck soil developed from well decomposed sedge and water plant remains. Depth to gravelly substrata is over 36 inches. Artificial drainage is needed for best crop production. Semiahmoo Muck is a class D soil. i 5 I I } -i a { The Orcas Peat, Semiahmoo Muck, and Mukilteo Peat soils are typically classified as hydric soils. They are shown in Figures 3 and 4 and predominate under and around Anderson Lake, the golf course ponds and near Lake Deveraux. i In 1991 through 2005 over 180 soil test pits have been dug in Lakeland Village for the purpose of classifying the surface soils for septic systems. These soil log tests have verified the SCS soil survey results. 1 �i � I zt CL z4 &Eel----------------- ems 9 0 y � i CLZ sW 00, w I J V j h i i i I FIGURE 3: SURFACE SOILS IN THE NORTH END OF THE LAKLAND VILLAGE DRAINAGE BASIN 6 t I t INS lm ��► ��� t o lgo . ®l® Rill ��� f sw�! �11■111111111►j��j �s je4 �),�� rAT OW Allill Was"., `�'� eF�. ��,`� 1111111111111►���jo�o,�����17�f� �j- ♦f�,��,11111111111�1,��s o��� �ir,�.a*� sv, kv- Lakeland Village Drainage Basin Hydrology: The Lakeland Village development drains to three drainages. 525.5 acres of the development drains south to Anderson Lake which drains into Anderson Creek. 64.5 acres of the development drains directly into Anderson Creek. 121.6 acres drains north to Lake Deveraux. 63.4 acres drains to the east to the town of Allyn. The easterly and southerly flowing drainages flow to Case Inlet in Puget Sound. The northerly flowing drainages drain to Lake Deveraux and down Deveraux Creek to Hood Canal. Figure 5 further illustrates the LakeLand Village Drainage Basins. Figure 5 also includes the area of each drainage basin. Deveraux Drainages 1 through 4 north to Lake Deveraux, The Farm Basin, Rock Creek, Golf Course, Early Lakeland Village, Railroad Drainage, and Lake Basins flow to Anderson Lake. The Anderson Creek No. 1 and No. 2 drainages flow directly into Anderson Creek and Allyn No. 1 through No. 4 drainages flow east down the hill to the down of Allyn. Several of the drainage basins were further divided into sub drainage basins to facilitate hydraulic modeling of the watersheds. { I i 3 1 I 8 Lakeland Village Drainage Basins , FY t;•fit { `c .�S x t 2F ��___ •$/` P7'� -� �k,r Lth=�r4•�C".t�. � i •�s f34 AC if DRAJ f =� Z.. �_ _ _ "•� e t - -�{ �. t�y'S :mil �� 'i, ci 7;t{' I -_gyp` ?-. �::"3' �„,�• �i� �iR. '�, x t t' 100.2AC <, c M �'. w4m'3LRir��. d�P3�{tr ' f treatment system that exceeds all the current standards set forth in the 2005 Western Washington Hydraulics Manual. I They began in 1960 by constructing Anderson Lake is a very effective at reducing the rate of storm flow in the unnamed outlet stream and; subsequently in Sherwood Creek. The lake will store 230 acre feet of water before it overflows the crest of the dam. Later revisions to the outlet weir in the auxiliary spillway increased the storage capacity of the lake by 45 acre feet and substantially reduced down stream flow. Anderson Lake was formed by the construction of a 21 foot high earthen dam at the outlet of a natural wetland bog that was fed by springs which flow continuously at the rate of 160 gallons per minute. The dam was designed by the United States Soil 1 Conservation Service (SCS) in 1964. A pictorial representation of the Anderson Lake dam is shown in Figure 6. Bob and Don Anderson built the dam with the assistance of the SCS and the close inspection of professional civil and soils engineers. They report that the key under the upper embankment of the dam extends18 feet down into a hard clay material. q cw�r-'�'3ri, _ .ter:.,•. '"USN RAC SAPOW AAf1 . �1•.1Y,.tr, , IpW/QVd SM[LL n�X FIGURE 6: TYPICAL SMALL DAM The Anderson Lake dam is regularly inspected by the Dam Safety Division of the Department of Ecology. A detailed inspection report was published on August 10, 1990 which completely updated the structural analysis of the dam and the hydraulic analysis of the watershed. The outlet of the lake is controlled by a box-like weir structure with a one foot notch in the front. (See Figure 6) As the water in the lake rises, it reaches the top of the notch and flows over the three sides of the weir box. When the level of the lake reaches one foot over the weir box, the dual 36 inch culverts in Westlake Drive begin to control how much water can flow out of the lake. As the Lake level reaches 2.4 feet over the weir box, the storm water will begin to flow down the road side ditches in Westlake Drive. At a lake level of 2.75 feet over the top of the weir box the storm water begins to overflow Westlake Drive. The November 24, 1990 storm dumped 6.1 inches of rain on 10 the watershed during a 24 hour period. The flows into the lake reached 266 (120,000 gallons per minute) cubic feet per second during the peak period of storm. The flow out of the lake reached approximately 123 cubic feet per second and the level of the water at the twin 36 inch culverts on Westlake Drive was just below the top of the headwall. (Elev. 104.0 on the assumed datum) A graphical representation of proceeding discussion is shown in Figure 8 which is the Anderson Lake Auxiliary Spillway stage discharge curve developed by the Dam Safety and amended to show the 100 year flood flow computed by the author. YR •sM1. S tpp:. FIGURE 7: ANDERSON LAKE OUTLET WEIR BOX LAKE ANDERSON SPILLWAY DISCHARGE i :109.00 -- ^ 108.00 ELVATION 107.5 THE CREST ELEVATION OF ANDERSON DAM _ - 107.00 j EL.105.75-STORM FLOW BEGINS TO OVERFLOW WESTLAKE DRIVE— LLJ 106.00 105.00 - EL.105.4 WATER BEGINS TO FLOW DOWN ROADWAY DITCHES EL iO4.5 ROADWAY CULVERTS BEGIN TO CONTROL OUTFLOW W 104.00 EL.103.9.100 YEAR STORM OUTFLOW ELEV.BEFORE DIV.12 LLV DEVELOPMENT=123 CFS vyi 103.00 - 6 102,00 - EL 103 TOP OF NOTCH N WIER BOX �- - 0 100 20D 300 400 500 6W 700 >!00 000 FLOW IN CUBIC FEET PER SECOND FIGURE 8: ANDERSON LAKE SPILLWAY STAGE DISCHARGE CURVE The majority of the storm drainage in Lakeland Village is conveyed using open ditches. Most of the open ditches over 4% to 5% grade have rock check dams or are lined with quarry spalls to prevent erosion. This open ditch system provides a filtering and runoff infiltration function. 11 Figures 15 and 16 represent the inventory of drainage fixtures that the author made in December 2006. There are a total of 10 detention ponds and 12 water quality ponds in the LakeLand Village storm water conveyance, treatment and storage system. All the detention ponds are a combination detention pond and wet pond. The outlet structures for Ponds 4, 7 and 9 are culverts behind railroad or road fills. All the other outlet structures are risers with or without orifices and overflow weirs. (See Figures 9 through 14) The total area of water quality ponds is 5.3 acres not counting the 45 acre Anderson Lake. If Anderson Lake is included the area of water quality treatment increases to 50.3 acres or 9.6% of the Anderson Lake Watershed. There are 14.62 acres of Detention/Wetpond Ponds that create approximately 30 acre feet of detention storage not counting Anderson Lake (230 acre feet). FIGURE 9: DEVERAUX—POND 8 FIGURE 10: POND 8 OVERFLOW DIKE tE � ::•- - ^'<- zr„-- ;. .may a—i•__: •sv s»• FIGURE 11: ROCKY CREEK POND 2 FIGURE 12: ROCKY CREEK POND 10 `�•-�s Y---<_= ;ems—ram FIGURE 13: ROCKY CREEK POND 6 FIGURE 14: ROCKY CREEK 12 Y1 f.j CT N W0,#1 - £ E 1— Z O T—' D 1 DE 9We AC D D£ £AUX 1—C 17.5 ---� WO#T v e� ON a, Z £V i- 1 AC 0/3 U) m C W Ur -3. 29.5 AC. Z _i \ WOf fA m \ POND 0 0 7 < \ R-2: 23.B AC. WO/8 m { OND 2 'Z'� �P ND 3 / tV0/8 O �¢1 WO/!O _ \ R- 119.0 A WO,/i T v P D c I ACRES Z r F—<: 60.� C. POND 5 m .101,11 SCALE. 1=400' LAKELAND VILLAGE STORM DRAINAGE PLAN w EXISTING STORM DRAIN SYSTEM — NORTH ND 4 jyw' POND 5 T_ � 7 C ;u m 0 2 Q v y KE: 70 I2 AC u' DANDEARK ON cl) m c „ WD Z � $ (A cn Z � G p O W vr. 'R = C �c0 I Y � Z 1 D G m SCALE.• f=400' LAKELAND VILLAGE STORM DRAINAGE PLAN EXISTING STORM DRAIN SYSTEM — SOUTH A major goal of the water quality treatment design criteria for the Anderson Lake and Lake Deveraux storm drainage systems was to maintain a very low concentration of phosphorus in the storm water entering the lakes. In the Lakeland Village EIS a goal of 19 micro grams per liter of phosphorus was established as a goal for maintaining the pristine character of the lakes. Anderson Lake is tested twice a year for the following parameters: Anderson Lake: Mid Lake Station Total Nitrogen Total Phosphorus Chlorophyll A Temperature and Dissolved Oxygen Fecal Coliform Over the last 3 years Phosphate levels have averaged 15 micro grams per liter. This level of phosphorus concentration puts Anderson Lake in the Oligotrophic category. See Table 3 Below. The storm water that flows to Lake Deveraux flows to and through Pond 8 which is located in the northwest corner of the Lakeland Village development. Pond 8 has been monitored for the same parameters as Anderson Lake for the last 10 years. The phosphorus levels in the outlet of Pond 8 have been about the same or lower then those in Anderson Lake. Table 2 summarizes the condition of Anderson Lake and Deveraux Lake. 15 TABLE 2 CURRENT CONDITIONS OF ANDERSON LAKE AND LAKE DEVEREAUX ANDERSON LAKE LAKE DEVEREAUX PHYSICAL DATA Lake Area 44 Acres 94 Acres Lake Volume 370 Acre Feet 1800 Acre Feet Mean Depth 8.4 Feet 19 Ft. Maximum Depth 16 Feet (Near Dam) 55 Ft. Shoreline Length 12,244 Feet 13,200 Ft. Bottom Slope 2%to Flat on Bottom 2.4% Bottom Geology Sedimentary/Muck Sedimentary/Meta. Inflow Groundwater 338 Acre Feet High Flow/Unknown Runoff 475 Acres Feet (Ave) 933 Acre Ft. Direct Rainfall 201 Acre Feet (Ave) 431 Acre Ft. Outflow Evaporation 110 Acre Feet 235 Acre Ft. Seepage Negligible High/Unknown I Sherwood Creek 904 Acre Feet Unnamed Creek CHEMICAL DATA Sample Time/Site = Summer at Surface Secchl Disk (Visibility) 12 to 16 Feet 21 Ft Dissolved Oxygen Saturation/Unstratified Saturated/Stratified Total Nitrite 0.001 mg/l 0.00 mg/I Total Nitrate 0.011 mg/l 0.00 mg/I Total Amonia 0.020 mg/I 0.05 mg/I Total Phosphorus 0.017 mg/I .004 mgll Ortho Phosphate 0.006 mg/I 0.002 mg/I Chlorophyll A 1 mg/Cubic M Unknown Water Temperature 33-75 Deg. Far 33-75 Deg. Far Fecal Coliform 5 -10 col/100 ml 3 col/100 ml I 16 i' TABLE 3 LAKE CLASSIFICATION BASED ON ANNUAL MEAN VALUES OF TOTAL PHOSPHORUS AND WATER CLARITY(Secchi Disk) Units are Micrograms/Liter and Feet Based on a Study of 200 Lakes by Vollenweider Trophic Status OLIGOTROPHI(MESOTROPHIC EUTROPHIC iYPEREUTROPHIC Parameter Total Phosphorus Mean 8 27 84 - Range 3 - 18 11 - 96 16- 386 750-1200 Shecchi Disk (Ft. Mean 30 13 8 - Range 17- 56 5- 27 3 - 24 1.5- 1.8 HYDRAULIC COMPUTER ANALAYSIS In the last week of November and the first week of December 2006 the author visually surveyed all the drainage facilities in the Lakeland Village watershed in order to develop an As-Built computer model of the existing storm drainage system. (Note the November 2006 was the wettest month in recorded history for this area.) My first observation was that the entire LakeLand Village storm drainage system preformed extremely well during November. There were no flooding or erosion issues in the watersheds in the month of November, 2006 or during two previous storm events that approached the 100 year storm event magnitude in the last 10 years. Several changes to the system design and previously existing facilities were noted: 1. The Lake Deveraux-1 Drainage Sub Basin has increased from 71 acres to 134 acres because of piping installed in the Generation 3 Golf Course. 2. 18.4 acres of golf course and residential drainage that was designed to be directed to Farm Pond 3 (See Figures 5 and 9) flows into the drainage below Farm Pond 3. The developer is about to construct Division 14 in this drainage. The storm drainage conveyance system to the Farm Pond 3 in the Farm Pond Drainage will be expanded to include the undeveloped lands in the drainage basin. The storm water conveyance system in the proposed Division 14 will direct this storm runoff to the Farm Pond as originally planned. 3. The outflow piping from Pond 7 which is the last detention pond in the Rock Creek Drainage was changed from 2 — 18" CMP Culverts to 3 — 18" ADS Culverts. This change was made by Mason County to eliminate the roadway overflow from Pond 7. 4. Mason County has replaced two 12" CMP culverts in Old Ranch Road in the Golf Course drainage basin with 18" CMP culverts. This change resolved a local flooding problem for downstream property owners. The existing storm drainage system for LakeLand Village was computer modeled using StormShed 2G developed by Engenious Systems of Seattle, Washington and the Western Washington Hydraulic Model 3 (WWHM —Version 3). An earlier version of the StormShed 2G model was used to design the storm drainage system for Division 12 in 1991 - 1993. The StormShed 2G model is an "event" model that applies 17 i a 24 hour storm of various recurrence intervals to the landscape and then calculates the flows and volume of storm water runoff.The results of the StormShed 2G modeling is shown below in Table 4. TABLE 4 AS-BUILT FLOW RATES FOR THE LA►CELAND VILLAGE DRAINAGE BASINS AND PONDS AS OF 12-06-06 IN Cubic Feet per Second(CFS) Basin or 100 yr As 100 yr Design Detention Wet- WQ 2 yr 10 yr 25 yr Built Completed in BASIN Pond 1991 Pond1 1.8279 4.6635 9.2338 11.547 1 15.5656 29.23 Rock Creek i Pond2 5.795 11.1553 23.4551 29.2865 39.8378 39.8 Rock Creek Pond3 1.2512 3.1848 5.8093 6.8447 8.196 23.85 Farm Drainage Pond4 16.9204 27.9856 39.5828 44.0002 61.493 26.1 Farm Drainage Pond5 10.0778 18.5481 29.7927 30.6658 32.1086 55.26 Golf Course Drainage i Pondfi 1.9863 4.7 9.4 11.9 16.4 26 Rock CreekDraina a Outfall Pond? 11.2576 20.7073 50.6572 67.6842 86 69 Golf CourseDrainage Outfall Pond 8 16.7 1 26.4 42.7 51.6 67.4 40.15 Deveraux Lake Pond10 5.0574 11.4277 25.5079 31.2779 40.6616 New Pond Mid Rock Creek =Above Pond 2 ELLVA 5.8747 9.4951 14.7298 17.2495 21.497 No Change Early LLV ELLV-2 4.0333 6.5194 10.1141 11,8444 14.7613 No Change Early LLV ELLV-3 3.1976 5.1682 8.0175 9.389 11.7009 No Change Early LLV I ELLV-4 5.7259 9.2547 14.3569 16.8128 20.9528 No Change Early LLV RaiERoadPond 5.9825 9.9989 14.8124 16.978 20.3991 25.25 Existin Pond Outfal LakeAnderson 7.9562 13. Ander 5563 61.0576 81.5075 102.1243 124.4 l to Anderson Creek A review of the As-Built flows shown in Table 4 verses the 100 year design flows reveals the following: 1. The increased area in the Deveraux 1 drainage basin resulted in an increase of the 100 year outflow from Pond 8 of 27.3 cfs. Pond 8 has ample capacity to store the additional runoff. The outflow structure needs to be modified to restore the release rate from Pond 8 to 40 cfs. I 2. The change in the outlet structure in Pond 7 of the Rock Creek Drainage resulted in 15 cfs more flow into Anderson Lake from this drainage. No change is recommended because the outflow from Anderson Lake 22.3 cfs less the planned for the 100 year storm. 7 3. All the 12" culverts in the four Early LakeLand Village drainage basins (ELLV- 1 through 4)that cross Lake Shore Drive need to be replaced with new 24"ADS j culverts from the ditch to Anderson Lake. 4. The Farm Creek drainage needs to be modified to comply with the proposed design. I The culverts on Lake Shore Drive should be improved by Mason County Department of Public Works. The revisions to the Lake Deveraux-1 basin and the Farm basin should be made by the developer. r 18 FUTURE DEVELOPMENT: Approximately 126 acres remains to be developed in LakeLand Village. 46 acres of the undeveloped property lies east of the railroad tracks in the Farm Creek Basin (primarily) and 80 acres lies west of the railroad tracks. 60 acres of the property east of the railroad tracks flows to Lake Deveraux and 20 acres flows to Anderson Lake. Mason County is proposing to allow 6 units per acre development densities for the LakeLand Village. The developer has requested that an additional 40 acres be included in the LakeLand Village development and in the Allyn Urban Growth Area. The planning for the future development of LakeLand Village has been underway for several months but is not yet complete. It is important that the future development of LakeLand Village continue to incorporate water quality treatment and storm water detention in the design of storm water facilities. Table 5 and Figure 17 presents both the water quality and detention volumes required for the development of the Deveraux-2 drainage sub basin. Two alternatives were considered. The 60 acre alternative includes the property currently in the Allyn UGA. The 81 acres alternative includes 21 acres of the property currently outside the Allyn UGA but within the Deveraux — 2 drainage basin. TABLE 5 Density vs Water Qualtu and Detention Volumes for Future Development of Drainage Basin Deveraux-2 60 Ac Alt 81 Ac Alt WQ Vol Detention Vol WQ Vol Detention Vol Density (acft) acft) acft acft 2 7.5 7.722 10 10.257 3 7.9 8.242 10.5 10.972 4 8.3 8.736 11 11.635 6 8.8 9.36 11.7 12.48 19 Density vs WQ and Detention Volumes using StormShed2G I 14 - - -- , �. 12 .E _ c ' 10 _ _ - - 60 Ac W Q "�°==y - r� -� =? Volume+Sheet3?$A$6 8 60 Ac Detention Vol ; ,2; (acft} ' C r ��F r_ o ; a — 6 =- n 81 Ac WO Volume 3 , _ (Acft) >° 4 4, 81 Ac Detention Vol m . . .-.=E :M (acft O 2 --- a - g 2 3 4 6 Density (DU/Ac) FIGURE 17 Various Low Impact Development (LID) alternatives were evaluated. It was determined that the if the roof and driveway drainage for a 4 unit per acre development in the Deveraux Lake — 2 basin were infiltrated into the ground on site the regional detention pond volume could be reduced by more then 50%. The water quality volume remains about the same. LID should be incorporated into the'project at j every opportunity, particularly for the residential lot development. The proposed drainage facilities for the future development of Lakeland Village should continue to focus on preservation of the water quality of Anderson Lake and Lake Deveraux. 20 i