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Home My WebLink AboutSWG2018-00025 - SWG Application / Design - 5/3/2018 (2) • 415 N 6TH STREET, SHELTON WA 98584 MASON COUNTY SHELTON: 360-427-9670, EXT. 400 COMMUNITY SERVICES BELFAIR: 360-275-4467, EXT. 400 ELMA: 360-482-5269, EXT.400 s„i$ oq wmo-n.EnofonmenW n fth,tomm�,He+lm FAX: 360-427-7787 ENV1RONh1Et%TAL May 03, 2018 HEALTH Allied Design Inc. Thomas Weaver PO Box 564 Seabeck WA 98380 RE: Design for THOMAS Case No: SWG2018-00025 Parcel No: 123305200037 Your on-site sewage system design for the above referenced parcel has been reviewed and is APPROVED. The system must be installed by a Mason County Certified Installer. A list of installers is available on the Mason County Public Health WEB page at www.HealthyMasonCounty.org Select Environmental Health, then On-site Sewage Systems. In some cases, homeowners may be allowed to install their own system. Prior written approval by Mason County Environmental Health is required. Failure to follow the Mason County homeowner installation procedure may create additional fees and/or permitting requirements. Please refer to the comments section of this letter for any additional information. Please call me at (360) 427-9670, ext. 353 if you have any questions. Sincerely, Wendy J � Environmental Health Mason County Public Health COMMENTS: 5/3/2018 Page 1 of 1 SWG2018-00025 t DESIGN FORM'—PAGE ONE Assessor's Parcel Number: 1 14 -- 3-2_ -- �9-.-Y3? A design will be reviewed when 3 co in of each of the following are submitted: Completed design form that has been signed and dated. •Scaled layout sketch,including all applicable items on checklist Scaled plot plan,including all applicable items on checklist. Cross-section sketch,including all applicable items on checklist. This form may be sunned and available for Public view on the Mason County Web sint.Minimum a er size: fir X 17" PARCEL IDENTIFICATION Permit Number: SWG " U' 7 I csigner's Name: Turn Weaver Applicant's Name: Roll Thomas Designer's Phone Number: 360430-5308 _ Mailing Address: 21514 Bp Valley Rd Designer's Address: P O Bar 564 Poulabo, WA 98370 Seabeck WA 98380 City Stare zip City State Zip DESIGN PARAMETERS Treatment Device ❑Glendon Biofilrer ❑Sand Filter O Mound ❑Sand Lined Dnimfield ❑Recirculating Fgkr,Type: ❑Aerobic Unit Makelkl del ❑ Disinfection Unit Make/Modd Other: Drainfield Type FQ Gravity ❑Pressure IA Trench O Bed O Sub Surface Drip Septic Tank/Dnibfield Specifications Laterals Number of Bedrooms 3 Schedule,Class Chambers Daily Flow: Operating Capacity 360 gpd Length 50 fi Daily Flaw:Design Flow 360 gpd Diameter in Septic Tank Capacity 1200 gal Number 3 Receiving Soil Type(1-6) 3 Separation 5 CC h Receiving Soil Appi. Rate 8 gpd/fl' Orifices Required Square Footage 450 fl' Total Number of Orifices NA Designed Square Footage 450 fi' Diameter in Percent Reduction Taken - % Spacing in Trench/Bed Width 3 fi Manifold Trench/Bed L.ugth 50 fl Schedule/Class NA Elevation Measurements Length it Original Drainfield Area Slope 20 aj Diameter in New Slope,If Attend - / Preferred manifold configuration used? O Yes O No Depth of Excavation UP-stop, 29 in Transport Pipe from Original Grade M.A,. 22 in Schedule/Class Sch 40 Designed Vertical Separation 36 in Length 40 h Gravelless Chambers Required? O Yes O No IA Optional Diameter 2 in Pump Required? M Yes O No Dosing and Pump Chamber PumpiSiphon Specifications Number of doses/day 6 Difference in Elevation Between Pump Shutoff and Uppermost Dose quantity 60 gal Orifice 10 R Chamber Capacity 1000 gal Uppermost Orifice IZ Higher O Lower than Pump Shutoff Pump controls:Please check thme required. Capacity @ Total Pressure Head 35 spin ®Timer OjElapse Meter ®Event Counter Calculated Total Pressure Head 11 ft If Tinley: Pump on 103 seeord8 Pump off 4 Hours Comments DESIGN FORM—PAGE TWO Assessor's Parcel Number:11114 — 3 3 -- a 43.31 Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch IN Test hole locations M Drainfreld orientation and layout Reference depth from original grade: M Soil logs N Trench bed dimensions and a Septic tank Property lines critical distances within layout M Drainfield cover ❑ Existingand proposed wells � N D-Boxalve box locations p p Reference depth from original grade within 100 fl of property I$ Septic tank/pump chamber and restrictive strata: ❑ Measurements to cuts,banks,and locations ® Laterals,tretteh/bed,top and surface water and critical areas Z Observation port location bottom 0 Location and orientation of ❑ Clean-out location ❑ Curtain drain collector curtain drain and all absorption ❑ Manifold placement ❑ Sand augmentation components ❑ Orifice placement Other cross-section detail: ® Location and dimension of ❑ lateral placement with distance M Observation porWcleanouts primary system and reserve area to edge of bed B Other Information 0 Buildings ❑ Audible/visual alarm referenced Yes No ® Direction of slope indicator 18 Scale of drawing shown on scale ❑ 0 Design staked out ® Waterlines bar ❑ ®Recorded Notices attached [K Roads, easements,driveways, ❑ M Waiver(s)attached parking ® ❑ Pump curve attached ® North arrow and scale drawing ❑ ® Evaluation of failure shown on scale bar Non-residential justification ❑ ® Waste strength ❑ ® Flow DESIGN APPROVAL The undersigned designer must be notified by installer at time of installation ❑Yes III No Signature of Designer Date The undersigned has reviewed this design on behalf of Mason County Public Health and determined it to be in compliance with state and local on-site regulations: 9ctsy�o✓� Enviro coral Health Specialist Date CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved"by Mason County Public Health. 1 ✓ The Onsite Sewage Permit has not expired, the Permit Expiration Date is: t9 ✓ Dminfreld site conditions have not been altered to adversely affect conditions of design approval. Please Note: The system must be installed by a certified installer, unless prior authorization is obtained from Mason County Public Health. An Installation Fee is required. This form may be scanned and available for public view on the Mason County Web she. Updated Doe: 12/7/2015 c_ 21'el 85.53' y,.�....--" f SL# 1 0" - 22" Brown Sand Loam 22" - 66" Grey Medium I1'e so Sand & <15% Gravel Obwma fon pon: , , F SL#2 5' 0" - 22" Brown Sand Loam 22" - 66" Grey Medium L't Sand & <15%Gravel SL# 3 1 • 1 y1 l SL# 3 f ,a� X N 0" - 22" Brown Sand Loam 1 0 22" -48" Grey Medium SL# 1,,1 11 p^1eW oneoi Sand & <15%Gravel a n -- a0 xpti not 0 co ao 34' —� pump bnY 0 3 BRM House A P P R O V E CZ MAY 0 3 2018 Lf I MASON COUN T v ENVIRONMENTAL HEALTH 5' WLJ - ' 10' uc'e' Bel Q / 'e sk.W.W we 2� Mms,pYxwW /� over s+ 3 o'el , E SCho irokase wravEq. AILedDwlap,Inc Site Plan Stele= l"= 20' Adde.: 21 Schoomr CT.Behir Name: Thomas Tax# 12330-52-00037 Thi.a em e.�..�:.II wm+e.,v Ime.Mmde...6a.+ebeev de•.mroa,.d 6v i6«O..�=.41•od/w,6.e lye,41. E PPROVE MAY 0 3 2018 x : t COUNTY ENORONHENTAL HEALTH O ; is a WLJ Ln rn 8 M 4 O M m m i N x � X 3 0` F� o E N E C s' oY G1E a ... ................ ° o m 0 C 7 c00 u .�� VI V1 e c E WU :.................... ul m N i Eo e C E o O E . W t Ex O rH�I yO m F Z = 3 Y fr v 2 x 8 Name: Thomas Tax # 12330-52-00037 Pump To Gravity 1200 gallon two compartment septic tank 1000 gallon single compartment pump tank High and low level and redundant low floats Pump line check valve required in pump tank All tanks with water tight risers to the surface on all tank accesses Three 50' legs - Infiltrative chambers or alt. Follow contour for level infiltrative surface on each leg Turn 2" line down in D box to dissipate flow energy Riser and lid on D box to surface Use speed levelers in D box Install pump timer and counter Timed dosing set for 6 times a day, 60 gallons per dose Pump—Liberty 250 or equiv. 9� F` St00333 �T4 MA E WEgVER .CP,'M P' �F i a i Pump Specifications (� III 250 Series Submersible f � (1^) Sump / Effluent Pump i NN !!!lrrrrrr 'o GO so 'Go 120 140 ISO In 20 �\l I IPPROVE �! D !!!!!!!!!■MiZ' Op COUNTY : WLJ Typical Observation Ports i Screw of slip cap -'- CORE coupling aMve and belovr chamber PPROVE ,/ c\/�•�- Gravel less Chamber / MAY 0 3 2016 D I/ \ MASON COUNTY ENVIRONMENTAL HEALTH -- WLJ '�� lcren•'I�•pc Cap �i) . Sri CI\ l'ype ('nil m Slip Cnp — ur Sllh ('ap 4" pVC 111pr —4" IWC Pipr (Leer b 112ries) • (I.englll \'Brier) 314 a 4" l.nng ).� _ l •' 51oft, (4) (a190' Aparl 'I'oilel Iilug �'l 4" PVC Tee D-Box Details Speed levelers inside D-box -� Use in each leg going to a trench t Inlet pipe comes through 2" higher hole No speed levelers in inlet pipe ppROVE MA 0 3 2O1 MASONOOO EVWLO;MENTALHEALTH Typical Plastic D-Box for three legs s� R •:4' _ .� �Tgosl in installed rf7 1 t t ' PPROVE MAY 03 2018 SECURED LID WITH GAS 71GHTsEAMASON COUNTY ENVIRONMENTAL HEALTH ROOES6R6ER wLJ FINISH CRUDE / --TO PUMP CHAMBER FROLISEWAGE SOURCE FLOATING MAT APPROVED EFFLUENT m m SEDIMENTS SEPTIC TANK ffYPICAL) SECURED LID WRIT GAS TIGHT SEAL THREADEDUNION m-DIAMETER ACCESS RISER SERVICE --- FINISH GRACE VALVE. FROM SEPTIC TANK "GRAINFIELD EMERGENCY STORAGE MIGII WATER ALARM LEVEL — — — — — WORKINGVOLUME �pl INDEPENDENT FLOAT STEM NORMALTIMEROFFLEVEL — -- -- FOR FLOAT ENCLOSEDPUMP MOUNTING SEDIMENT SHROUD• CHECK VALVE Is- SEDWENTS SUBMERSIBLE CENTRI UGAL PUMP PUMPCHAMMBER 1WICALI lot ttU 12,1 aH y,UNlF.f /�lo v i tHOM i��vTn` U/SI;>N �Sd 6f o