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HomeMy WebLinkAboutSWG2023-00049 - SWG Application / Design - 2/21/2023 C .C. MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584 ,�• SHELTON:360-427-9670,EXT 400 xt� 4 BELFAIR:360-275-4467,EXT 400 c Public Health & Human Services ELMA:360-482-5269,EXT400 FAX:360-427-7787 On-Site Sewage System Permit: SWG2023-00049 APPLICANT RIEFFANAUGH MICHAEL J & ERICA C Phone: SCHUSTER Address: 2541 E SAINT ANDREWS DR N SHELTON, WA 98584 OWNER RIEFFANAUGH MICHAEL J & ERICA C Phone: SCHUSTER Address: 2541 E SAINT ANDREWS DR N SHELTON, WA 98584 SEPTIC DESIGNER JAMES MEDCALF-Active Underground Phone: 360-426-9277 Address: PO BOX 1552 SHELTON, WA 98584 SEWAGE INSTALLER JAMES MEDCALF-Active Underground Phone: 360-426-9277 Address: PO BOX 1552 SHELTON, WA 98584 Site Address: 341 E Shamrock Dr Primary Parcel Number: 321275200025 Permit Description: 3-bedroom OSCAR X02 system Permit Submitted Date: 02/21/2023 Permit Issued Date: 03/03/2023 Issued By: David Anderson Current Permit Fees Paid: $780.00 (additional fees may be required upon installation of system). Permit Expiration Date: 02/22/2026 (based on date of inspection) 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 Drain field 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 of system components. 6 Mason County Asbuilt 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/onsiteloss-inspection-request.php or call: 360-427-9670, extension 400. OFFICIAL USE ONLY - MASON COUNTY lire' Cn N COMMUNITY SERVICES AM2.1 64.1)Ii> RECE o Gi) N Public Health(Community Health/Environmental Health) C gj 160427-9670.ext.400 or 360-275-4467,ext-400 415 N.6lh Street DATE RECEIVED:Shelton,WA 9R584 S W G b 2:16 ostp410 g O 0 Z di ON-SITE SEWAGE SYSTEM APPLICATION D 73 m n APPLICANT PHONE m m (- ERICA SCHUSTER-RIEFFANAUGH 360-593-3255 D c MAILING ADDRESS CITY, STATE, CODE co 2541 E SAINT ANDREWS DR. SHELTON WA 98584 m W 341SITE RESS-STREET,CITY,ZIP CODE D E SHAMROCK DR. SHELTON WA 98584 m I (.'' NAME OF DESIGNER PHONE I N JAMES MEDCALF 360-239-7779 NAME OF INSTALLER PHONE v ACTIVE UNDERGROUND LLC 360-426-9277 < 5 IN PERMIT TYPE(select one) DRINKING WATER SOURCE O Eif RESIDENTIAL OSS COMMUNITY OSS E COMMERCIAL OSS U PRIVATE INDIVIDUAL WELL L PRIVATE TWO-PARTY WELL Z I TYPE OF WORK(Select one) It PUBLIC WATER SYSTEM LAKE LIMERICK r iii NEW CONSTRUCTION/UPGRADES F REPAIR/REPLACEMENT OTHER DETAILS(select a0 that apply) ❑ TABLE IX REPAIR N I C71 SUBMITTALSp � 0 SURFACING SEWAGE 0 EXISTING FAILURE CI SHORELINE W V.DESIGN FORM(REQUIRED) NJ SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE Q I iv nWAIVER(S)(IF APPLICABLE) 3 .29 ACRES 0 I O DIRECTIONS TO SITE AND SITE CONDITIONS (ex locked gate) LEFT ONTO SAINT ANDREWS DRIVE AT FIREHALL, JUST BEFORE PROSHOP TURN I o LEFT ONTO SHAMROCK DR. FOLLOW TO END OF ROAD AND LOT IS ON THE LEFT o r I 0 AT CULDESAC. GREEN RIBBON HANGING ON-SITE. IV IN 0 I W SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED TH TEST HOLE NUMBERS. 01 OFFICIAL USE ONLY BELOW THIS LINE UPGRADE I FAILURE SOURCE(for reporting purposes) ❑VOLUNTARY ❑MAINTENANCE/PUMPING 0 BUILDING PERMIT ❑HOME SALE ❑COMPLAINT ❑OTHER: INSPECTOR SOIL LOGS 2`2 2 12 ) COMMENTS/CONDITIONS F fl: 0—1 ( !i ( /\ deep veil, t,„c,kret y ba ym f % [ C ; /f Z, 0-1'I I �7$t W S %-�'e f f lit' I� 1 2023 7-y:r OCR > U �� FEB 2 V 0—i4 OS M Cb5011,0 (Pjtri ft l _ �_ - CI t 1 1 iv by RECORD DRAWING AND INSTALLATION REPORT SOIL CODES: V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS REQUIRED FOR FINAL APPROVAL INSPECTOR SIGNAT DATE APPLICATION EXPIRATION DATE7 APPLICATION APPROVED!ISSUED BY DATE Gi Vt/23 2.i TI V/2- V6 THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE REVISED 12/72015 DESIGN FORM—PAGE ONE Assessor's Parcel Number: 3 2 1 2 7 — 5 2 — 0 0 0 2 5 A design will be reviewed when 3 copies 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 scanned and available for public view on the Mason County Web site.Maximum paper size: I "X 17" PARCEL IDENTIFICATION Permit Number: SWG Designer's Name: James Medcalf Applicant's Name: Erica Schuster-Rieffanaugh Designer's Phone Number: 360 426 9277 Mailing Address: 2541 E St.Andrews Dr. Designer's Address: P.O.Box 1552 Shelton, WA 98584 Shelton, WA 98584 City State Zip City State Zip DESIGN PARAMETERS Treatment Device 0 Glendon Biofilter 0 Sand Filter 0 Mound 0 Sand Lined Drainfield 0 Recirculating Filter,Type: ( 'Aerobic Unit Make/Model X02 0 Disinfection Unit Makc/Model Other: OSCAR Drainfield Type ❑Gravity 0 Pressure 0 french 0 Bed I1 Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class OSCAR/NETAFIM Daily Flow:Operating Capacity 270 gpd Length 50 ft Daily Flow: Design Flow 360 gpd Diameter i n Septic Tank Capacity(working) 1200 gal Number 3 Receiving Soil Type(1-6) 4 Separation .5 1t Receiving Soil Appl. Rate .6 gpd/ft2 Orifices Required Primary Area 600 ft2 Total Number of Orifices 300 Designed Primary Area 630 ft2 Diameter EMITTER in Designed Reserve Area 630 ft2 Spacing 6 in Trench/Bed Width 18 ft Manifold Trench/Bed Length 35 ft Schedule/Class 40 Elevation Measurements Length 50 ft Original Drainfield Area Slope 0-2 % Diameter 1 in New Slope,If Altered SAME % Preferred manifold configuration used'? l 'Yes 0 No Depth of Excavation Up-slope 0 in Transport Pipe from Original Grade Down-slope 0 in Schedule/Class 40 Designed Vertical Separation 16 in Length 40 ft Gravelless Chambers Required? 0 Yes Ei No 0 Optional Diameter 1 in Pump Required? RI Yes 0 No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day PER OSCAR Diff in Elevation Between Pump&Uppermost Orifice 6 ft Dose quantity gal Drainfield Squirt Height/Selected Residual(head) N/A ft Chamber Capacity(flood) 1200 gal Uppermost Orifice g Higher 0 Lower than Pump Shutoff Pump controls: Please check those required. Capacity @ Total Pressure Head 8.8 gpm gTimer I 'Elapse Meter t 'Event Counter Calculated Total Pressure Head 14.8 ft If Timer: Pump on PER ,Pump offOSCAR Comments APPROVED MAR 0 3 2023 i/7 MASON COUNTY ENVIRONMENTAL HEALTI! DJ A. • DESIGN FORM—PAGE TWO Assessor's Parcel Number:3 2 1 2 7 — 5 2 -- 0 0 0 2 5 Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch li Test hole locations 60.1 Drainfield orientation and layout Reference depth from original grade: 66 Soil logs Ed Trench/bed dimensions and M' Septic tank Ed Property lines critical distances within layout Qf Drainfield cover ❑ Existingand proposed wells 0 D-Boxalve box locations P 1� /V Reference depth from original grade within 100 ft of property lig Septic tank/pump chamber and restrictive strata: ❑ Measurements to cuts,banks,and locations Gg Laterals,trench/bed,top and surface water and critical areas lig Observation port location bottom ❑ Location and orientation of 0 Clean-out location 0 Curtain drain collector curtain drain and all absorption 0 Manifold placement 6d Sand augmentation components 0 Orifice placement Other cross-section detail: • Location and dimension of Ed Lateral placement with distance g Observation ports/clean-outs primary system and reserve area to edge of bed g Other Information Pi Buildings lif Audible/visual larm referenced Yes No ❑ Direction of slope indicator RI Scale of dra �'l.hown on scaleDesign l� 0 staked out Ed Waterlines bar Il 0 0 Recorded Notices attached Ed Roads,easements,driveways, i •.:ylt 0 0 Waiver(s)attached parking "I'' ^t 0 0 Pump curve attached i 0 0 Evaluation of failure Ed North arrow and scale drawing .� :• t • It, shown on scale bar .. Non-residential justification •• O. CI Waste strength I:DAMES L MEALF. 0 0 Flow '11016.1bAblb.:1601.; r�^c a 7'9'4 14..• k The undersigned designer must ben • llation g Yes 0 No /' Signature of Designer Date Dr The undersigned has reviewed this design on behalf of Mason County Public Health A PER 1 i o I D compliance with state and local on-si regulations: f ? /10( zoir03 .:23 Environmental Health Specialist 0801.1 COUNTY EN':'i.,:,.iMEli:,.-...."• DJA CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved"by Mason County Public Health. ✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is: ✓ 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. 2/7 This form may be scanned and available for public view on the Mason County Web site. Updated Date: 12/7/2015 0-17"TYPE 4 GSL 17"+ RESTRICTIVE ti�O�C' o-i8"TYPE 4 GSL �� „o c3 A q i8"+ RESTRICTIVE wt 4 A • 0-16"TYPE 4 GSL PAN pS See, " 16" + RESTRICTIVE C44 © \ lik `'4 c i 0.� .""*.s7 1APROPO' _ XO2 / II TANKS / / ° ° r • • . / 4 ; ,47 111 ID: �n q h o w WATER O :�•�:•�:•��e 4 h i • i / ' SERVICE LINE 1O - C- • ti�b 4 ,� �� / �� ������. ,��/ .../ • Alta �. ,'�-�►i fit . / ;j•••`— •••t - A A • . '':• . • 0 • DRIVEWAY / .11eir II/ Or 414. •-1 // \\ i �� 2 11 y���� / CULDESAC \ A . 1� EDCALF \ � . .�.'-7" DF I NFA ra PPROVED - - = PROP. LINE MAR 0 3 023 MASON COUNTY ENVInUNilicir 1AL HEALTH DJA (SEPTIC SYSTEM SITE PLAN FOR: ERICA SCHUSTER-RIEFFANAUGH PARCEL#32127-52-00025 DATE: 02/14/2023 BY:JM DESIGN PAGE 3 OF 7 NORTH ARROW: A SC AL$; 1"122 ' �j ACTIVE UNDERGROUND LLC J //�` 2 50 r. .•'LL'CC I P.• ii 2r, At /�, :I O • ,S• .: tV . m CU • :^ g F Z a ce / .:.::::.: .1:"..'.. tfl 1 Ij z i• - ce ` \ W q. '`j v M I ` I I r. cc t APPROVED H141M 1VSd9 81 MAR 0 3 2023 MASON COUNTY ENVIRONMENTAL HEALTH 7S 2R ( - NOr,ife DJA 4/7 - %\ tom. r1 .....t— -..‘ < zza, N.-7‘. u_ccu 1i% y c r, z o 0 •t M W 4 \ �� w 61 S /: n .. 0 4) C . 0 ::�: V �0a.� IN i�g ryc 1— . . I- ` Q l l' 2 a ' j 1 i Ii C 03 PI N %N 1; it b ! 'i S. I— W X , I■Milt 't N • LLJ 11 Q-- - LL . o a M sii: t l7al 03 + cR v. "' u L) u ' vN - 4, N �< m a ! Ij' I WI - . \ z / 1 ,,! •,.Y&1ce2530:_,, moseg . .:A. 3 z w m APPROVED 3 N Q O U MAR 0 3 2023 w m 0 z MASON COUNTY ENVIRONMENTAL HEALTI' 3 DJA o o 5/7 TABLE 2 Hydraulic Layout 05-50 coils Design Total # of Coils Dose Flush Excess Flow Coils Lats. •er lat. GPM GPM TDH 240 4 4 1 1.4 7.8 50' 300 5 5 1 1.75 9.75 50' 360 _ 6 3 2 2.1 6.2 50' 450 8 4 2 2.8 9.2 50' 480 8 4 2 2.8 9.2 50' 600 10 5 2 3.5 11.5 50' TABLE 4 Minimum Shoulder Lengths 2E5 Design Flow Minimum Shoulder Length in Feet 240 22.5 300 28 , 360 33.5 480 44.5 600 55.5 The dimensions in Table 4 represent the minimum required length of the outer shoulder which include coils, spacing between coils, and shoulders. These lengths can be extended to match site conditions.Minimum shoulder spacing and spacing between coils is 6 inches. See illustration below for example of shoulder length. Online Hazens-Williams Calculator Imperial Units The calculators below can used to calculate the specific head loss (head loss per 100 ft(m)pipe)and the actual head loss for the actual length of pipe. Default values are from the example above. 90 - I-pipe or tube length(ft) 150 c-roughness coefficient determined for the type of pipe or tube 6.2 q-flow rate(gal/min) 1 dh-inside hydraulic diameter(inch) Asryl� Calculate! Ifef • Specific Head Loss(ft H2O/ 100 ft pipe): 2.88 p 1 teASP . • Specific Head Loss(psi/100 ft pipe): 1.25 i �, s��� 1 / /: 1f'.4G2 f *• Actual Head Loss(ft H20): 2.6 ! L MEDCALF Ar.e.eA i..5 1 NEA... • Actual Head Loss(psi): 1.12 •ter'°''•''•��•`'��5 • Velocity (ft/s): 2.53 APPR • 'E MAR 0 3 2023 MASON COUNTY ENVIRONMENTAL HEALTEI CD!7 DJA lLppACT 1 �✓E A UNOEFIOi�OUNO, LLC P.O. Box 1552. Shelton,Wa 98584 Office: (360)426-9277 INSTALLATION NOTES Pressure Distribution System: 1. The prepared site plan is not a survey. It's the owners responsibility to verify property lines prior to installation. 2. Install system during dry weather and soil conditions. 3. Time of installation final inspection and as-built stamp will need to be completed by the designer.A fee of$300.0o for this service will apply. Only includes one site visit for final inspection. 4. Keep wheeled vehicles off the drainfield area before,during and after installations.Tracked equipment only with caution. 5. All ground,surface water and roof drains must be diverted away from the tanks and drainfield. Ensure the final grade slopes away from these areas and water doesn't pool on or around them. Use swales,berms, along with catch-basins and tight-lines, curtain drains,ect. to divert ground and surface water. 6. Curtain drains can be no closer than io' uphill or 3o' downhill from the drainfield. 7. Exposed restrictive layers, cuts,banks,ect. can be no closer than 5o' downhill from the drainfield. 8. Install two 24" access risers on both the septic tank and pump tank. # `t 9. Make sure access risers are epoxyed or caulked to cast in riser rings on tanks. io.Lids must form a water and gas-tight seal with the access risers. MAR 0 3 �uc3 ii. Install effluent filter specified in this design at the septic tank outlet. 12. Install control panel specified in this design. MASON COUNTY ENVIRONMENTAL i... , 13. Install check-ball valve with union (checkmate)on pump discharge in pump tatigiriser. 14. If drainfield is lower than the pump, install an anti-siphon valve in the pump discharge above the high level mark. 15. Install pump in a vault/ pump silo designed to draw effluent from 18"off the bottom of the pump tank. 16.This system must be installed by a licensed septic systems installer. 17. Deviation from this design without prior approval from the Designer and County Health Department will make this design null and void. System Owner Responsibilities: i. Operation and Maintenance is required by the State of Washington and the County for all septic systems. 2. A current list of certified O&M technicians is available from the County. 3. System owners are responsible for having maintenance performed according to the schedule set forth by the County. 4. System owner is responsible for responding to septic issues and alarms in a timely manner. 5. System owner shall not at any time change or alter setting in the control panel, Only certified maintenance providers should perform these changes. 6. System owner agrees to read and abide by information regarding their system in User Manual provided by the County. 7/7