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HomeMy WebLinkAboutSWG2024-00100 - SWG Application / Design - 3/18/2025 ® MASON COUNTY 415 N6TH ,SHELTON,WAe8594 SHELELFAIRTON,360.4]7-9670,EXT 400 BELFAIR:380-275d467,EXi 400 Public Health & Human Services ELMA:360482-526e,EXT 400 FAX 360A27-7787 On-Site Sewage System Permit: SWG2024-00100 C� APPLICANT JOHNSON DYLAN Phone: Address: 8303 55TH AVE SE OLYMPIA,WA 98513 OWNER JOHNSON DYLAN Phone: Address: 8303 55TH AVE BE OLYMPIA,WA 98513 SEPTIC DESIGNER PAULA JOHNSON' Phone: 360-898-2255 Address: 171 E VUECREST DRIVE UNION,WA 98592 Site Address: 421 E SHERWOOD HLS SOUTH Primary Parcel Number: 122307500110 Permit Description: New 4bd pressure trench with Class B waiver Permit Submitted Date: 03/12/2024 Permit Issued Date: 03/18/2025 Issued By: Rhonda Thompson Current Permit Fees Paid: $705.00 (emmoeel roes may be wuiW upon Imxelmtlon orcyaxam). Permit Expiration Date: 03/19/2027 (based an date ofmapectian) Permit Conditions: 1 Proposed development subject to zoning requirements and approval by the planning department staff per Mason County Title 17. 2 Permit must be installed by a Masan County Certified Installer unless prior written authorization from Masan County is obtained. 3 Drain(eld installation not to exceed designed upslope and downslope depth Specked on design form. 4 Installer is responsible for obtaining Mason County installation approval prior to backfill of system components. 5 Installer is responsible for obtaining Septic Designer/Engineer installation approval prior to backfill of system components. 6 Mason CountyAsbuilt Form, Record Drawing, and Installation fee must be submitted for final installation approval. THIS PERMIT MUST BE ONSITE DURING INSTALLATION OF OSS. PROPERTY OWNERS ARE RESPONSIBLE FOR DETERMINING AND MARKING ALL PROPERTY LINE AND EASEMENT LOCATIONS. THIS PERMIT MAY BE REVOKED IF THE SITE CONDITIONS HAVE CHANGED SINCE THE SITE WAS INSPECTED AND DESIGN APPROVED. FINAL INSTALLATION APPROVAL IS REQUIRED PRIOR TO TEMPORARY OR FINAL OCCUPANCY OF ANY RELATED STRUCTURES. For Final Inspection visit: masoncountywa.gov/health/environmental/onsits/oss4nspection4equest.php or call: 360-427.9670,extension 400. OFFICIAL USE ONLY NMERLFNSS 3 - 1 �)_ - �''B0 MASON COUNTY RE COMMUNITY SERVICES — PoMkxWN I�CRmmuR�NMMPB""rnllrmulnnRM Lp SW� �jq- o z y ON-SITE SEWAGE SYSTEM APPLICATION 3 In P oxE r X� W "' 360 791-4416 n Johnson � �AD0RES4-STREEt,CRY STATE,LPCDDE SEE 55th Ave SE Olympia WA 98513 a E ShTR erwood DO HCE ills S Allyn WA 98524;7�e` �360 898-2255 w Septic Designs ( )R NE FINSTPllERIn.TYPE IRI"M PPP) ppIR SOURCE OESIDENTIALOSS F11COMMUNRYOSS LLCOMMERCIALOSS Ir PRIVATE INDIVIDUAL WELL EPRIVATETINDPARTY NELL ZrrPUBLIC WATER SYSTEM FWCAI'l O—I IJEWCONSTRUCTIONIUPGRADES tLIREPAIRIREPLICEMENT OTNERDETIA!il bn'u'-EI ) ❑TABIE0.REPAIRigLs OSURFACINGSEWAGE OEXRTINGFAILURE OSHORELINEaiB QDESIGN FORM IREOUIRED) �SEPTICDESIGNIRECOIRED) SEOROOMs4BR 5.01 acres WAIVER(S)BFARPLICABLEJ DIRECTIONS TO IITE AND SIR CONNTONS R+.NNI O Go out Hwy 3 and turn (L)onto E Sherwood Creek Rd.Tum (L)onto E Sherwood Rd.Tum (L)toward E Sherwood Hills Rd.Turn (L)onto E Sherwood Hills Rd. Destination on (L). o Yellow sign: "Johnson#421" I � 5iEtlVSi BE F1AGGED RiDM MPW ROFDIND 1ETXp.ES MUSTSfflPGGFD NIIN lESI1NME NUM9ERd I O OFFICIAL USE ONLY BELOW THIS LINE UKWME I FAILURE SOURCE Or AI WIVE P) []VOLUNTARY OMAMTENANCEIPUMPING ❑BUILDINGPERMIT ❑HOMESALE []COMPLAINT OOTHER'. INSPECTOR SDILLWS CCMMENTSICOMPTIONS i (\ rfl ✓ � II rt 3� + wvr1 � ✓ I: s IN s 171 �I D/V • -` 1 RECORD DRNWNG AND INSTA 3TKV REPORT V R SOILCCOFS: V VERT G"GRRVELLY Sa SpND L•LWM 91.GILT CsCtAT E"E%iRFMELV A OCTS REW R®Fpi fIN0.LRPFROVRL DATE INSP;...;y"...M.AWU.E DATE AIR..ICN�FX�I�DATE APPLICATION"PPROVEIX I5511 �I���� 33 1 1 REVISED I.11 THB FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE DESIGN FORM—PAGE ONE Assessor's Parcel Number. l 2 2 3 0 — 7 5 — 0 0 1 1 0 A design will be reviewed when 3 copies of each of the following arc submitted: a Completed design form that has been signed and dated. s 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. Thu ronn;4 M wooed and available for Public view on the Macon county Web site.Maximum er Sere. 11"X 17' PARCEL IDENTIFICATION Pemlit Number. SWG5?1CV Designer's Name: Armes Septic Designs,Inc Applicant's Name: Dylan Johnson Designer's Phone Number: (360)898-2255 Mailing Address: 830365th Ave BE Designer's Address: 171 EVuecrest Dr Olympia WA M13 Union, WA 9MP2 CiN State Zip City State Zip .. DESIGN PARAMETERS Treatment Device 0 Glendon Biofilter ❑Said Filter ❑Mound ❑Sand Lined Dminfield ❑Recirculating Filter,Type: O Aeroire Unit Make/Madel ❑Disinfection Unit Make/Model other: 50'ARent aticon Zone Drainfield Type 0 Gravity Rf Pressure 6dTrench 13 Bed ❑Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 4 Schedule/Class 40 Daily Flow:Operating Capacity 360 gpd Length 45 ft Daily Flow:Design Flow 480 gad Diameter 1.25 in Septic Tank Capacity(working) 1,200 gal Number 6 Receiving Soil Type(1-6) 4 Separation 9 ft Receiving Soil Appl.Rate 0.6 gpd/ftr Orifices Required Primary Area 800 Pic Total Number of Orifices 54 Designed Primary Area 810 its Diameter 3/16 in Designed Reserve Area 810 ft2 Spacing 60 in TrenchBed Width 3 It Manifold TrenchBed Length 270 ft Schedule/Class 40 Elevation Measurements Length header it Original Drainfield Area Slope 8 % Diameter 1.25 in New Slope,If Altered 8 % Preferred manifold configuration used? Rif Yes O No DepthofExmvation upslope if (0 in Transport Pipe firm Original Grade Dorn-slope �8' '� i Schedule/Class 40 Designed Vertical Separation jOrl1, in Length 120 ft Gravelless Chambers Required? 0Yes 13No GfOptional Diameter 2 in Pump Required? If Yes [3 No Dosing and Pump Chamber Pump/Siphon Specifications Number ofdosea/day 4 Diff.in Elevation Between Pump&Uppermost Orifice 15 it Dose quantity 120 gal Dminfield Squirt Height/Selected Residual(head) 2 R Chamber Capacity(flood) 11200 gal Uppermost Orifice d Higher O Lower than Pump Shutoff Pump controls:Please check those required Capacity@ Total Pressure Head 31.86 gpm l/YTimef likiapse Meter grEvent Counter Calculated Total Pressure Head 20.98 ft If Timer: Pump on 2 minutes ,Pump off a hours Comments P P R O V E D MAR 18 2025 MASON COUNTY ENVIRONMENTAL HEALTI' 18�® RET d 11 DESIGN FORM—PAGE TWO Assessor's Parcel Number:1 2 2 3 0 — 7 5 — 0 0 1 1 0 Permit Number: SWO DESIGN CHECKLISTS Scaled Plot Plan Sealed Layout Sketch Cross-Section Sketch RJ Test hole locations 19 Drainfield orientation and layout Reference depth from original grade: R1 Soil logs Rf Trench/bed dimensions and Rf Septic tank 0 Property lines critical distances within layout 61 Drainfield cover 0 Existing and proposed wells 16 D-BoxfValve box locations Reference depth from original grade within 100 ft of property Ed Septic tank/pump chamber and restrictive strata: 61 Measurements to cuts,banks,and locations 0 Laterals,bench/bed,top and surface water and critical areas la Observation port location bottom ❑ Location and orientation of 16 Clean-out location ❑ Curtain drain collector curtain drain and all absorption Rf Manifold placement ❑ Sand augmentation components 19 Orifice placement Other cross-section detail: 61 Location and dimension of Ed Lateral placem with distance if Observation ports/clean-outs primary system and reserve area to ed of bed 61 Buildings Other Information l9 Audible/vis referenced Yes No Direction of slope indicator Rr Scale of g ' on scale Ed ❑ Design staked out Waterlines bar . ,, . �'. ❑ liff Recorded Notices attached RI Roads,easements,driveways, P 9 ❑ Waiver(s)attached parking 19 ❑ Pump curve attached 16 North arrow and scale drawing N . srooJar ❑ fif Evaluation of failure shown on scale bar PAUU J0Y JOHNabN••. Non-residential Justification pObE ❑ Ef WastFlow strength ❑ �FIOW DESIGN APPROVAL The undersigned designer most till y ins aller at time of installation Ef Yes ❑ No 3-1 I-t� 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: 'gghw o�-w -3 1tb /zf Environmental ealth Specialist Data CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: I The design is stamped"Approved"by Mason County Public Health. The Onsite Sewage Permit has not expired,the Permit Expiration Date is: ✓ V Drainfield 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 site. Updated Date: 12/72015 Oli CO WA ItailAarlll��, 1��� °.P°s°�In Ir �,j�i a � n � w wm•' O ... • -6 �Y i9 N } a ie• aC..i .. � OVEDa , I -= MAR 18 2015 O �N COUN iY ENVIRONMENTAL H I REi EALiH -I w al —Y 61 ]Y 2�� OAudm Viaual Alasm © peanut -Eap of © 1 Pal= Tsnk cafSkccs.\,s�i. O-LgIgz Gs� 14 sm mt Filter �� j*p O4 1200 ei n P=P OValue Coa {-'F{,.a O Sriervlocd GtCe°` e'D.. 3 Fka,.sc SO`,Nl�q I Pv OQQ'rJ'4 !1912'l OD W PA vx 'S MAR te, 2025r J_ APPROVED + i{0' '�°j ° weyn Hu ffer MAR 18 2025 � \ MASON COUNTY ENVIRONMENTAL HEAl THR.VC4 t-- flf- AMa t RET We,•! v ti `LLs �.S1 2n scvadl t t.�1 S S k t E, oR S. ` I ws r 0 . IFS ° 3r 7'" 6 y5i pu15 C � �alvc Gr�wlr IF 60)cS,t.ts"4 IB.� Jclarts 0 Z�r T�»pc�'l� Li...c OEM.,d, Prt Detailed Droinfield Layout SEE* min rw vm» ' r e - APPROVED y. » z ' : of ru ... + p MAR 18 2025 �u C^+^ MASONCOUNrYENVIRONMENTALHEALTH qa 6• REi avwOr C.,y.J •1' 1 ", � t3 OrI�� Epp ' P �� Lerer Erie ma l.arra Dromfield Gross-Section Vie Na Te aoew ,� nas ap.a » b rn. o a s asw efa. xNs o • abrNaee Prr �'tr. Fww wa. �nx ns ,ar �rer: a..r m . Te 11 4• PVC P`o five 5WM of TrrNN •••y A ft*kW a nr EM of Each Lard Y'• Tb FHaee bCli PAMWAbb foi ad be . ""`° °" °brief Part °`` "°` Arrow Septi•r- Designs On tlabe .af Ebe4f Tat -/' Ell, JO uw. a (y Tell Rgitl F Sys ' PAVLAJOVJOHNSON •.. (360) 898-2255 4�� Length Length Orifice # Distance from Distance from Lateral# (In. Ft.) Spacing Orifices Feeder Line(In.) Cleanout(In. 1 540 45 60 9 30 30 2 540 45 60 9 30 30 3 540 45 60 9 30 30 4 540 45 60 9 30 30 5 1 54U 45 60 9 30 30 6 540 45 60 9 30 30 Total Lateral Len th 270 Total#Orifices 547 GPM = 31.86 Dynamic Head Calculations Selected residual pressure: 2 ft. Length (Ft.) #Orifices Transport Pipe 120 54 2.09 ft. Feeder Total Lateral Line Length Lateral#1 45 2 47 9 0.21 ft. Lateral#2 45 11 56 9 0.25 ft. Lateral#3 45 20 65 9 0.29 ft. Lateral#4 45 29 74 9 0.33 ft. Lateral#5 45 38 83 9 0.38 ft. Lateral#6 45 47 92 9 0.42 ft. Total Elevation Lift 15.00 ft. Total Dynamic Head 20.98 ft. 5f 00]d9YY PAULA JOY JONNSON •, I.fC d APPROVED MAR 18 2025 MASON COUNTY ENVIRONMENTAL HEALTH RET 4 } W s : Bronze mnstruccion available(139 series) • High head vemionavailable(145 series) Double shaft seal versions available for added protection Flow-Mate on models 1401145. for more iMomxtion,see T chriml Data Sheets FM2782,FM3783. In high head dewatering or effluent applications where pumping iF performance is critical. this robust family of pumps is known for reliability, m xxxonmens durability and performance. These pumps are especially suited for harsh envirommems.Zoeller'scooL run design and corrosion-resistant,powder mated epoxy finish add up to a long-lasting, troubte-free product APPLICATIONS: STEP or onsite applications ' • Watertransfer Light commercial dewatering q SPECIFICATIONS: • 1-1/2"NPT discharge P• 1/2 HP through l HP NUDE IN ME USA • Available in automatic or nonautomatic WSAW0amlfUUMI MadeL 137.139.140:1/2"(12 min)spherical solids ��� capacity with vortex impeller ROVE Model 145:3/4"(19 in.)spherical solids capacity with " vorta,impeller MAR 18 2025 - name NTALHEALTH R PUMP PER FORM CURVE ,I MODEL 15 1152 Dose-Mate ov ettxWeA yR W This is our fastest growing Line of effluent M In pumps.The 150 series is tru Ly a workhorse designed for reliability under extreme 12. °^ conditions in an effluent environment 150seriespump curves cover a wide range m x 1N of applications. They are well suited to y m applications with low pressure pipe(LPP) €3 and enhanced flow STEP systems.ZoelLer's e as rn cool run design and corrosion-resistant, ai ai a m powder coated epoxy finish, in addition to the hermetically seated,off-fitted motor Is and non-clogging vortex impeller add up to ° a long-Lasting,trouble-free product. 1° APPLICATIONS: STEP or onsite appitcabons 0 M^ADEEHITHEUM 10 m a0 a0 W W l0 . f N 0o • Light commercial dewaterin¢ SPECIFICATIONS: urtxs 0 W m rm tW ma aW I90 • 1-1/2"NPT discharge 4L n1TV NR MINUTE e�up 3/10 HP through 1/2 HP • Available in nonautomatic or with a variable level piggyback mechanical switch • 1/2"(12 mm)spherical solids capacity with vortex thermoplasticimpeller For more inJonnatfon,see Technical onto Sheet FM2784. ®ALL rights reserved. ZOELLER PUMP CO. 502-778-2731I 800-928-7867I zoetterpumps.com 9 e'I'D- e =Sndds m°cqid°'" PO° DOW �. + - ,�,mrn,"a"�t�"` �►TM -PROVED nymow MAR 18 2025 �y v� -,C&Q- " • MASON COUNTY ENVIRONMENTAL H_EA_4T�H� 6yar l', Lowrm aAsna+raEAL rNwwwL L Lysspns SS ROM EEK E� VAL1V1' TO CRAOWKLD ' .TAM ENERGOWYETORAW ANTIN AN VALVE! WW WATELAL OW LEM L 01I LTNOMOFF LEVEL w�oLuwavoLUE t FLOAT . �ouLLELc GENFRIPUSAL AEKEe� Septic Tanks must meet standards required b WAC chapter 246-27722C.S and FIGURE.2` tamer must be on Dept of Health list of registered sewage Pa 35of65 P CLv[ata Septic Dealgm SA pressure Distribution Systems ppULA JGYJJOXNSON�. tut .i .. 1. install Laterals with contour of the ground. 2. Install trench bottoms level. 3. Install locator tape or rebar at each end of all dtaiafield laterals. 4. Install observation ports as ndicared on the plot plan. One regm'red at distal end of each lateral in drainfield with bottom extending to the drainrock/narive soil interface. Glue "T"to bottom so Observation port cannot be easily emoved from ground. Install removable cap on top of port at final grade level. 5. Install drainfield during dry weather and soil conditions;any soil smearing must be eliminated by hand taking• must extend to within six inches 6. Install threaded clean-outs at the end of all laterals(cap of finished grade and be marked with locator tape or rebar). 7. Install audio/visual high water level alarm. 8. Tnstall 1/8"mesh non-corrosive pump screen(min. 12 sq.ft surface area,not to interfere with controls ar loats.) Or pump screen may be substituted with Bio-Tube in Septic tank. pull bio-tube every 6.12 months and flush back into tank. - 9. Install anti-siphon valve above pump in pump chamber to prevent the pump chamber from siphoning into the dranfield. 10.Install check valve in pump outlet line to prevent system from draining back into the pump chamber. 11.Tee to Tee construction between laterals and tnati fold with orifices oriented at 6 o'clock. Install laterals to the manifold with the orifices at 12 o'clock,(do not glue), after pressure test and Environmental Health Dept. approval,turn orifices down(6 o'clock)and glue laterals to manifold. Orifice shields may be used with orifices in the 12 o'clock position in lieu of turning the orifices down to the 6 o'clock position. 12.-Filter fabric required over drain rock prior to back filling. If the drain rock extends above natural grade,run the filter fabric at least 2 inches down the trench wall. 13.Encase all water lines within 10' of drainfield and under any driveway/parking areas. 14.Divert all storm water runoff away from on-site sewage system. 15.No curtain drains allowed within 10' of the up-slope edge or 30' of the down-slope edge of the drainfield and reserve area. 16. Have the septic tank and pump chamber pumped or inspected every 3 to 5 years. 17.No vehicular traffic over drainfield area 18. 1wect floats, clean filters,and test high water level ala m every 6-12 months as needed 19.All materials and workmanship must meet County and State regulations. 20. Deviation from this design without prior approval from the Designer and Mason County Environmental Health Department will make this design null end void- 2 1.All manhole lids cad access, sampling or iusi ecdon pots must have locking covers and be located at ground level. 22. All pressure systems with a pump chamber outlet higher than the drainfield must have a 1/8"hole drilled in the discharge pipe above the pump to prevent siphoning. 23.All transport lines tmdei driveways or parking areas in=be encased to prevent crushing. 24.Homeowner is responsible for a1 property lines. APPROVED MAR 18 2025 MASON COUNTY ENVIRONMENTAL HEALTH RET