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Home My WebLink AboutSWG2025-00088 - SWG Application / Design - 3/26/2025 4 WA MASON COUNTY 15N6TH SHELTON: 400 SH STREET,SHELTON, EXT 400 BELFAIR:360-2754467,EXT 400 Public Health & Human Services ELMA:360482-5269,EXT 400 FAX:360427-7787 On-Site Sewage System Permit: SWG2025-00088 APPLICANT WILSON MICHAELENE Phone: 360-359-0404 Address: 160 E AYCLIFFE DR SHELTON,WA 98584 OWNER WILSON MICHAELENE Phone: 360-359-0404 Address: 160 E AYCLIFFE DR SHELTON,WA 98584 SEPTIC DESIGNER CINDY WAITE* Phone: 360-701-0205 Address: 80 E PICKERING LANE SHELTON,WA 98584 SEPTIC INSTALLER BRAYDEN SCHOENING• Phone: 360-742-2982 Address: 121 W GRIZDALE DRIVE SHELTON,WA 98584 Site Address: 70 N Hamma Hamma Or E Primary Parcel Number: 422045100107 Permit Description: Repair: 2-Bedroom Pressure System w/Sand Lined Bed Permit Submitted Date: 03/19/2025 Permit Issued Date: 03/27/2025 Issued By: David Anderson Current Permit Fees Paid: $825.00 (addidonal tees may as required upon msmnawn 0 system). Permit Expiration Date: 03/26/2026 (baaadon"aornspe ter) 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 Mason County Certified Installer unless prior written authorization from Mason County is obtained. 3 Drainfreld installation not to exceed designed upslope and downslope depth specified 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 ofsystem components. 6 Mason County Asbuift 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/onvironmentaUonsite/oss-inspection-request.php or call: 360.427-9670, extension 400. i OFFICIAL USE ONLY OA,E PECEIVFD ® MASON COUNTY O $ I�I Z015 COMMUNITY SERVICES uOUNTPEGEME m NMI'RxIM lCommumpa HealthlEmbonmenbl HeaMN .,L;re ,�..,�,,, , , m SWG ZoZS — Qppf o ? = w ON-SITES E M APPLICATION > z 3 n APPLICANT p PHDrvE m m MICHAELENE WILSON o� 360-359-0404 c MANNGADDRESS-STREET CITY.STATE,ZIP CODE 160 E AYCLIFFE V �Qc SHELTON WA 98584 A SITEADDRESS-STREET CITY 21P CODE 70 E HAMMA HAMMA HOO_7_So')R- WA_ 98548 I A NAME OF DESIGNER PHONE I N CINDY WAITE 360-701-0205 NAME OF WBTALLER PHONE O N SCHOENING EXCAVATION 360-742-2982 < PERMITTYPE(xNRane) °RINRINGWATERSOURCE ICD YFTRESIOENTIALOSS 31 CC COMMUNITVOSS FCOMMERCIALOSS ❑. PRIVATE INDIVIDUAL WELL 0 PRIVATE TW6PARTV WELL = TYPE OF WORF NMN cMN aR PUBLIC WATER SYSTEM UNIE OMERIIX AS A ❑ NEWOONSTRULTIONIUPGRAOES 9REPAIRIREPLALEMENT OTHERDETAILSNIINWOYMIP ) STABLE IX REPAIR IVI SUBMITTALS O SURFACING SEWAGE Id EXISTING FAILURE ❑SHORELINE m RE DESIGN FORM(REQUIRED) JfSEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE r0 I � 5-WAIVER(S)(IF APPLICABLE) 2 101'XI20'Xiffi'X1% In I ' x O DIRECTIONS TO SITE AND SITE CONDITIONS(ea.NmuWPw* GO TO HOODSORT, TURN LEFT ONTO LAKE CUSHMAN ROAD, TURN LEFT ONTO I DUCKABUSH WAY, TURN RIGHT ON TO DUCKABUSH DR E, TURN LEFT ONTO o UNION WAY, TURN LEFT ONTO HAMMA HAMMA DR E, PARCEL IS ON THE RIGHT SIDE OF THE ROD. SOIL LOGS ARE BEHIND THE HOUSE. 10 SITE MVST 9E FLAGGED iROMYAIN ROIDAND LEST HOLES MUST BE FLIGOED WIMTEST NOLENUMBFAS. I V OFFICIAL USE ONLY BELOW THIS LINE UPGAI FAILURE SOURCE INr NNNPM;ryrPwe) []VOLUNTARY [MAINTENANCE,PUMPING [3BUILCINGPERMIT OHOMESALE [3COMPLAINT 13OTHER'. INSPECTOR SUL LOGS COMMENTS r CONDITIONS ;3*"b. TRI;0 g`_ LMeds (TW) L 1 !Y• Y`I ! T(p(f tvboHvM (TI) T kl:Og_I '�t7i CoaS ro Er fforll 21-`Ifl" EGCaaf ftl RECORD°RAMING AND INSTALLATIONREPORT SUL CODUL V'VERY G=GRAVELLY S•SAND L=LOAN Si SILT C=CIAY E=EXTREMELY R=ROOTS REQUIRED FOR FINAL APPROVAL. INSPECTOR SIGNATURE DATE APPLICATON EXPIMTDN DATE APPLIG ON APPROVEO115511Eo 8Y DATE 3 Z6 7 6 Z ZS THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW CII THE MARON COUNTY WEBSEFE REVISED'w.1S DESIGN FORM—PAGE ONE Assessor's Parcel Number: 4 2 2 0 4 — 5 1 — 0 0 1 0 7 A design will be reviewed when 3 conies of each of the following are submitted: 0 Completed design form that has been signed and dated. ° Scaled layout sketch, including all applicable items on checklist gealed plot plan,including all applicable items on checklist, a Cross-section sketch,including all applicable items on checklist. Thle farm RUMs ha aumted and a¢allable for Ic view on UK Nawn County Web 111e.Maximum a r size.: 11"X 17" 11111�61,IDENTIFICATION Passhlarmbn: MG 7O?.5= Onri S?D Designer's Name: CINDY WAITE Applicanfs Name: MICHAELENE WILSON Designer's Phone Number: 360-701-0205 Mailing Address: 150 E AYCLIFFE Designer's Address: 60 E PICKERINTG LANE SHELTON WA 98564 SHELTON WA 98584 C, State Zip City State Zip DESIGN PARAMETERS Treatment Device 13 G'kedon Biofilter ❑Sand Filter ❑ Mound O Sand Lined Drainfleld ❑Recirculating Filter,Type: ❑Aerobic Unit MaWModel ❑Disinfection Unit Make/Model Other: fr Ql Drainfield Type vity # ressure ❑ Trench Gf Bed O Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 2 Schedule/Class SCHEDULE40 Daily Flow:Operating Capacity 180 gpd Length 24 ft Daily Flow: Design Flow 240 gpd Diameter 1.25 in Septic Tank Capacity(working) 1200 gal Number 4 Receiving Soil Type(1.6) 1 Separation 2 ft Receiving Soil Appl. Rate 1. gpd/ft' a- l Orifices Required Primary Area 240 ftr Total Number - rifices1ej SCHEDULE 40 Designed Primary Area 240 ft' Diameter ra us 3/16 in Designed Reserve Area 240 ftt Spacing \ U 24 in Trench/Bed Width 10 ft etd 51 WAIrEM Id Trench/Bed Length 24 ft Sch Lc nESIGNER E%YFlS JSIb Elevation Measurements Length g Original Drainfield Area Slope 3. % Diameter in New Slope, if Altered % Preferred manifold configuration used? 17 Yes R(No Depth of Excavation update 21 in Transport Pipe from Original Grade Down-slope 9 in Schedule/Class SCHEDULE 40 Designed Vertical Separation 36 in Length 20 ft Gravelless Chambers Required? ❑Yes O No ❑Optional Diameter 2 in Pump Required? If Yes Cl No Dosing and Pump Chamber Pump/Siphon Specifications Number ofdoses/day 4 Diff. in Elevation Between Pump&.Uppermost Orifice 10 it Dose quantity 45 gal Drainfield Squirt Height/Selected Residual(head) 2 ft Chamber Capacity(flood) 1200 gal '1�Uppermost Orifice If Higher ❑ Lower than Pump Shutoff Pump controls:Please check those required Capacity @ Total Pressure Head 25.96 gpm I7Timer ❑Elapse Meter ❑ Event Counter Calculated Total Pressure Head 12.23 ft If Timer: Pump on ,Pump off Comments CONCRETE TANK REQUIRED, GRAVEL BASE DRAINFIELD REQUIRED, PUMP CONTROLS TO BE SET AT TIME OF INSTALLATION DESIGN FORM—PAGE TWO Assessor's Parcel Number:4 2 2 0 4 — 5 1 — 0 01 0 7 Permit Number. SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch Id Test hate locations 19 Drainfield orientation and layout Reference depth from original grade: Ib Soil logs 66 Trench/bed dimensions and Fid Septic tank m Property lines critical distances within layout ❑ Drainfield cover ❑ Existing and proposed wells lid D-Box/Valve box locations Reference depth from original grade within 100 R of property Septic tank/pump chamber ❑ Measurements to cuts, banks, and locations and restrictive strata: surface water and critical areas Eg Observation port location 19 Laterals,trench/bed,top and bottom ❑ Location and orientation of 19 Clean-out location ❑ Curtain drain collector curtain drain and all absorption ❑ Manifold placement lid Sand augmentation components ❑Id Location and dimension of Orifice placement Other cross-section detail: primary system and reserve area RI Lateral placement with distance F6 Observation ports/clean-outs to edge of bed ib Buildings Other Information Id Direction of slope indicator ❑ tm Audible/visual ata referenced Yes No Scale of drawing shown on scale 06 ❑ Design staked out id Waterlines bar ❑ ❑ Recorded Notices attached 16 Rands,easements,driveways, ❑ ❑ Waiver(s)attached parking ❑ ❑ Pump curve attached Is 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 no d by staller at time of installation Yes ❑ No 9 �a J! -L 'I _?s Signatufe of Designer Datelp'�y The undersigned has reviewed this design on behalf of Mason County Public Health and determ tt in compliance with state and local on/it2c egulations/ � . �l = 3( 2 41ASON RAR27 2025 Environmental Health Specialist Data fNV/RONM pJA fNTAG HfA(Tp CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved"by Masan County Public Health. j/� j ✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is: 3Z 0? ✓ 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. Codated Date: 12/7/2015 � tie \ \ 6 \ # ƒ \ 76 �Z ƒ � � \ ` � • � � . « a) \ @CIO /\ \ \ 5 § ik / @ B ? ` ° — > � ; f / � o = ° \ ^ » »Z �` � mEk °N I zo2 �I F = ORIFICE SPACING 2 Lateral# Length Length Orifice # Distance from Distance from end Length# # (Feet) (Inches) Spacing " Orifices feeder line of end of lateral 1 24 288 60 11 2 2 24 2 24 288 60 11 2-2 -24 31 24 288 60 11 2 -2 -24 4 24 288 60 11 2 2 24 96 44 86 TRANS LENGTH 20 GPM 1 25.96 K (2"SCHEDULEN 40 2$4.5 FRICTION LOSS Squirt 1 2 Elevation difference 10 TDH 12.238474 1-,r ✓ � ✓ L/ ✓ � .�/ 3v Mrs auq of 6 �4�Ith of fi lfei^na�,g scar, A rj / tnrrd M on eaei 9,ve, fo P"li 418 TRENCH CRO S SECTION S ND Z S L%"iHES�111 Y /Z 4 � - 6 .. oycaU 4ARp�10 2 5 MENrq N�a rN cy) lip DRAINFIELD LAYOUT Syr �' to ��•• 9IDpH6 y"{.CINOV IdMB L111III��CCCEN R F%VIRFS pyld XI-CLEANOUT/OBS PORV) X2-D BOXIVALVE BOX 0,11V• X3-Check Valves iN p(,. plra6j�- APp&OV X4=FIow Control Valves E� XN8oll Lops masoNC, MARZ� Zp15 O�N�yfNVIRON pJq MfNTA/H fACTp 0�,u 794p� Ocroon O✓A N�FNTq�H os THREADED CAP OR PLUG Ty ��+ d�(f 61PVC 1 I - - - LAST ORIFICE;WITH ORIFICE SHIELDS IF �I ORIFICE ORIENTATION IS BACKFILL W ,I. UPWARD MATERIAL �\y\ \ \� \ \�K -- T a O O PRESSURE LATERAL PVC HOSE OR ��° ° boo AS SPECIFIED ^ LONG SWEEP / o 0 ELBOW `�''`p DRAIN ROCK; 8"MIN. UNDISTU E0 BELOW PIPE 801L• J 6' PVC WITH DRAIN p s� HOLES; EXTEND TO BOTTOM OF GRAVEL TO MONITOR PONDING m as INFILTRATIVE SURFACE RITE DESIGNER '�' R I L ANOUT PORT ( XAMPLE) 1 SECURED LID WITH OAS TIGHT SEAL 1 W DIAMETER ACCESSRISER FINISH GRACE TO MMIR CINAYSM FLOATING MAT APPROVED EFFLUENT FILTER EECERNTE AApRO WnCTANK *gSON MgR1 COV�FN� ,10Z,S MfPICAW SECUREGUIO ✓A VRTH OAS TIGHT BEAL N'yFNTgC �/ THREADED UNION T 7P DIAMETER 'O ACCESS RISER FINISN OEADE. SERVICE VALVE' FRDM BePnG TARN TO MiAINPIELp EMERGENCY STORAGE MIGN WATERALARM ANTI SIPHON F 1 VALVE - P WORKING VOLUME INDEPENDENT MOEIMLTWER ' ` FLOAT STEM T`F ' FOR FLOAT w 0 . fNOLOSEGPUMP MOUNTING ENT SHROUD•5f CHECK VALVE'INDV E. E. ICENS ER Ip EEGIMEIfTB 'Fs os a RIFU IMUS CENTRIFUGAL PIMP PUMP -�F1-A61fiE9 m'PJQAW 19'• A(,,,E, AS NEEDED Pump Specifications I'� '�� 280 Series 1 /2 hp �'� '� Submersible Effluent Pump ■!■■■■!■■■■■■1\ 0 Installation Notes Sand Augmented Pressure Distribution System: 42204-51-00107 70 N Hamma Hamma Dr 1. The prepared site plan is not a survey. It's the owner's responsibility to verify property lines, utility lines (water, sewer, power, phone and gas) prior to installation. 2. Pump controls to be set at time of installation 270 GPD 3. Install system during dry weather with acceptable soil conditions 4. Gravel based drainfield required. S. Clean Course sand to be used. 6. The tanks may be moved as necessary to accommodate building requirements. Septic tank location must meet all required setbacks. 7. Keep wheeled vehicles off the drainfield area before, during and after installation. Tracked equipment only, B. All ground, surface water and roof drains must be diverted away from the septic tanks and drainfield. Ensure the final grade slopes away from these areas and water doesn't collect on or around them. Use swales, berms, catch basin and tight lines, curtain drains, etc. to divert all waters. 9. Curtain drains can be no closer than 10' upgradient and 30' dawn gradient of the drainfield 10. Exposed restrictive layers, cuts, banks, etc. can be no closerthan 50' downhill from the drainfield. 11. Install access risers on the septic tanks, valve box and ends of laterals. 12. Make sure septic tank risers are epoxied or caulked to cast in riser rings on tank. 13. Lids must form a water and gas tight seal with the access risers 14. Install effluent fitter specified in this design at the septic tank outlet. 15. This system must be installed by a Mason County Certified installer. 16. Deviation from this design without prior approval from the designer and Mason County Health Department will make this design null and void. 17. This design was sized per Washington Administrative CodeWAC246-272A-0230. The operating capacity is based on 45 gallons per day per capita with two persons per bedroom. The minimum design flow per bedroom per day is the operating capacity of ninety gallons multiplied by 1.33. This results in a minimum design flow of one hundred twenty gallons per day. This creates a surge factor of 33% but anticipated flow is ninety gallons per bedroom per day. 18. Install laterals with contour of the ground 19. Install trench bottoms level and always maintain a minimum of six inches into native soil 20. Install locator tape an top of all drainfield laterals. 21, Install threaded clean outs at th ds of all laterals (caps must extend to within six inches of finish grade and be i ve box as shown on diagram. 22. Install audio/visual alarm 4Filter fabric required over dr `Fock� ' r to backfilling. If the drain rock extends above 4ginal grade, run the 6� eat 2 inches down the trench wall. n, i NA 41490N�DUN 00418WA� 1 0 Mf�ZS ® LiCEp ER SS owib ION ✓q N NTg7H�CTH System Owner Responsibilities: 1. Operation and Maintenance is required by Washington State Department of Health and Mason County Health Department. 2. The septic tank and pump tank should be pumped every three to five years or as needed. 3. System owners are responsible for having maintenance performed annually. 4. System owners are responsible for responding to septic issues in a timely manner. 5. System owners shall not at any time change or alter settings in the control box. 6. System owner agrees to read and abide by information regarding their system in the User Manual provided by Mason County Public Health. 7. Keep the flow of sewage at or below the approved design operating capacity. 8. Keep waste strength at residential waste strength parameters. 9. Spread loads of laundry through the week. 10. Do not use excessive bleach or detergents with added whiteners. 11. Do not shower, do laundry and dishwasher at the same time 12. Antibiotics can kill or impair the biological process in the septic tank. 13. Leaky plumbing can hydraulic overload your on-site septic system. f App MARR0VE CIND' ZkE ESIGNM �4so'VCCUN , ITS L.WXLs ry D✓q NM'N 4C HE4Cr/ 101W