Loading...
HomeMy WebLinkAboutSWG2026-00140 - SWG Application / Design - 6/26/2026 MASON COUNTY 415 N 6TH STREET,SHELTON, ,WA 98584 • SHELTON:360-427-9670,EXT 400 BELFAIR:360-275-4467,EXT 400 Public Health & Human Services ELMA:360-482-5269,EXT 400 FAX:360-427-7787 On-Site Sewage System Permit: SWG2026-00140 APPLICANT MPM VENTURE GROUP LLC Phone: 253-225-2808 Address: 110W K ST, SUITE C SHELTON, WA 98584 SEPTIC DESIGNER CHRIS ELSTROTT* Phone: 360-561-5000 Address: 128 NORTH RIVER STREET MONTESANO, WA 98563 Site Address: E Eagle Point Dr Primary Parcel Number: 421227690091 Permit Description: New Home, New OSS, New Garage Permit Submitted Date: 05/08/2026 Permit Issued Date: 05/26/2026 Issued By: Jeff Wilmoth Current Permit Fees Paid: $845.00 (additional fees may be required upon installation of system). Permit Expiration Date: 05/20/2029 (based on date of inspection) Permit Conditions: I Approval of this septic permit does not approve the building location. Building location is subject to approval from all applicable departments and regulations. 2 Proposed development subject to zoning requirements and approval by the planning department staff per Mason County Title 17. 3 Permit must be installed by a Mason County Certified Installer unless prior written authorization from Mason County is obtained. 4 Drain field installation not to exceed designed upslope and downslope depth specified on design form. 5 Installer is responsible for obtaining Mason County installation approval prior to backfill of system components. 6 Installer is responsible for obtaining Septic Designer/Engineer installation approval prior to backfill of system components. 7 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 DATE RECEVED: ô51 °7 / cc > AMOUNTRECEM D: RECEIVED BY: Public Health & Human Services $ct 1® M Environmental Health 360-427-9670,ext 400 or 360-275-4467,ext.400 ��� �O^ _ I t._1 U) 0 415 N.6th Street Shelton,WA 98584 p1L O I 0 ON-SITE SEWAGE SYSTEM APPLICATION i > I � M Ill APPLICANT I PHONE - MPM Venture Group f 253-225-2808 h c MAILING ADDRESS-STREET,CITY,STATE,ZIP CODE 110 W K St., STE C N M SITE ADDRESS-STREET,CITY,ZIP CODE iIV xxx Eagle Point Drive, Shelton, WA 98584 ] ® I NAME OF DESIGNER PHONE Chris Elstrott 360-561-5000 NAME OF INSTALLER PHONE ,---- J Hatten & Sons 360-628-7851 �'-- = I --L PERMIT TYPE(select one) DRINKING WATER SOURCE 1 IO IV ❑ RESIDENTIAL OSS ❑ COMMUNITY OSS ❑COMMERCIAL OSS ❑ PRIVATE INDIVIDUAL WELL ❑ PRIVATE TWO-PARTY WELL Z I IV TYPE OF WORK(select one) ❑ PUBLIC WATER SYSTEM ❑ NEW CONSTRUCTION!UPGRADES ❑ REPAIR/REPLACEMENT OTHER DETAILS(select oil that apply) ❑ TABLE X REPAIR I SUBMITTALS ❑ SURFACING SEWAGE ❑ EXISTING FAILURE ❑SHORELINE DESIGN FORM(REQUIRED) Q SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE WAS LOT CREATED AFTER 4/112025? ❑ WAIVER(S)(IF APPLICABLE) 4 1.35 YES -NO DIRECTIONS TO SITE AND SITE CONDITIONS:(ax.locked gate) O C � I � Ico SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST!E FLAGGED WITH TEST HOLE NUMBERS, I OFFICIAL USE ONLY BELOW THIS LINE 1 I UPGRADE I FAILURE SOURCE(for reporting purposes) ❑VOLUNTARY ❑MAINTENANCE/PUMPING❑ BUILDING PERMIT❑HOME SALE❑COMPLAINT ❑OTHER: INSPECTOR SOIL LOGS I COMMENTS/CONDITIONS � � I SOIL CODES: I RECORD DRAWING AND INSTALLATION REPORT V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLA Y E=EXTREMELY R=ROOTS REQUIRED FOR FINALAPPROVAL. I SPEGTOR SIG ATURE I DATE APPLICATION EXPIRATION DATE APPLI TIONAPPROVED/ISSUED BY I DATE TuMAY BE SC ED AND AVAILABLE FOR PUBLIGVIEW ON THE MASON COUNTY WEEiSITE Revised:01/09/2026 1 I DESIGN FORM—PAGE ONE Assessor's Parcel Number: j L/ 2 / Z l zM76 a 99 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 onl 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: 11"X17'P4Rzu.;,�=g.w.a.., CiJL,1DENTIFICATIOlY G�feis %G5Ti@t� Permit Number: SWG f�-U- (�C7� Ll V Designer's Name: A Applicant's Name: l�1/�/'1'/ Y�N7���� G2gv/� Designer's Phone Number: g60— $2 /- Mailing Address: //d GtJ, k. S9 c C_ Designer's Address: /28 /V. RIWER 37 i S EG �PJ w� 9BSY.y City State Zip / S.'/V , LId4 City State f Zip Designer's Email /sfi'o �Ct u/• 4,, v � f Treatment Device 0 Glendon ❑Sand Filter ❑Mound O'Sand Lined Drainfield 0 Recirculating Filter ❑ATU O Other Treatment Level(check all that apply): ❑A ❑B ❑C ❑BLl ❑BL2 ❑BL3 ❑E ❑N Drainfield Type 0 Gravity ressure 0 Trench ed ❑Sub Surface Drip Septic Tank/Drainfield Specifications Laterals I I Number of Bedrooms Sched e/Class _fd I Daily Flow:Operating Capacity gpd Length �__ ft Daily Flow:Design Flow yE_O I gpd Diameter ' in Septic Tank Capacity(working) ' gal Number 0 7 Receiving Soil Type(1-6) / I Separation .2. S +ft Receiving Soil Appl.Rate ,/.® I gpd/ft2 Orifices Required Primary Area ft2 Total Number of Orifices r�i d j Designed Primary Area G� p ( ft2 Diameter in Designed Reserve Area ' ft2 Spacing j'D. in Trench/Bed Width ft Manifold Trench/B d Length ft Schedule/Class 90 Elevation Measurements Length 7, S' ft Original Drainfield Area Slope % Diameter .2... lin New Slope,If Altered I % Preferred manifold configuration used? ❑Yes o 1 Depth of Excavation Up-slope L/ç j�, % I in Transport Pipe from Original Grade Doi -slope in Schedule/Class Designed Vertical Separation z C/ I in Length 7S' Ift Gravel-based Drainfield Required? es ❑N' Diameter a in Pump Required? l!es ❑No y� o ing,, nd Pump Chamber 1 D k 7 Pump/Siphon{Specifications h rt, Ir Dif.in Elevation Between Pump&Uppermost Orifice . ft tit 1zp gal1 Drainfield Squirt Height/Selected Residual(head) y amber Ca �����TH /2.Q a ( O�J�I��`i I galI co tiro k ose required. Uppermost Orifice Higher ❑!Lower than Pump ShutoJASON C t. , j :Please chec Capacity @ Total Pressure Head q gpm 1ftier 0 Elapse Meter vent Counter Calculated Total Pressure Head f ft If Timer: Pump on 7 £' .S¢-1',Pump off Comments .4Y ZIZWSPW d 7vaV I I Revised:r6/11/2d25 DESIGN FORM—PAGE TWO Assessor's Parcel Number• 4C Z.1/ 1 Z Z7 ® ®� Permit Number: SWG DESIGN CHECKLISTS } SScale�d lot Plan Scaled Layout Sketch Cross-Section Sketch Dijst hole locations Lraiiifie1d orientation and layout Reference depth from original grade: l Zionerty logs CYTrench/bed dimensions and ®_-ge is tank lines critical distances within layout D15rainfield cover D-Box/Valve box locations xisting and proposed wells � Reference depth from original grade within 100 ft of property 611 Septic tank/pump chamber and=Is, ' strata: Measurements to cuts,banks,and to tions trench/bed,top and surf ce water and critical areas Lam` O) ervation port location bottom Location and orientation of �, Cle n-out location �Sand in drain collector` Aai=min and all absorption a 'fold placement � augmentation co orients ! 1 Dtitice placement Other cross-section detail: C'Location and dimension of I ateral placement with distance 9servation ports/clean-outs 0_4Jnary system and reserve area tolge of bed uildings Other Information Aud'ble/visual alarm referenced Yes No Direction of slope indicator tale of drawing shown on scale ❑ C� e b staked out terlines I bar ❑ C-e rded Notices attached ❑ oads, easements,driveways, ' levation benchmark and relative ❑ aiver(s)attached parking elevations of system components I3 1❑� Pap curve attached ❑ orth arrow and scale drawing O L_F'Evaluation of failure shown on scale bar Non-rslIentia1 justification Waste strength low { DESIGN APPROVAL The undersigned designer must be notified by installer at time of installation D1es ❑ No + f- 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 ititegulations: 42G -zø ta Health Specialist Date CAUTION: DESIGN APPtv�ren' V VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped;"Approved"by Mason County Public Health. ,�7 , ✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is: ICJ 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 i's obtained from Mason County Public Health. An Installation Fee is required. This form maybe scanned and available for public view on the Mason County Web site. Revised:6/1'1/2025 hl�Ofc sr�.�a'•i� Sp-S O .:DIj s�.ev�7-rdn� ��'Ts' �>(i�s�si.\e; VT�,a (BErAEsRAL M o0T(Es Z/ �S i /w. rf auJ� I'/' SU/ '/• �t 11 /I A 1. THIS IS A SPECIAL DESIGN DUE TO ADVERSE SOIL • L�Tc`z ;t_S / Ot—I���(�<1 c 2NP& CONDITIONS, GROUNDWATER TABLE AND/OR TOPOGRAPHY • _ ADVANCED ENGINEERING HAS DESIGNED THIS SYSTEM IN ���rr T .i (r-I L- G�_ FA BR{ ACCORDANCE WITH ALL CURRENT STATE.AND COUNTY HEALTH � I' 12,I Y (..-e7 / v -DEPARTMENT REQUIREMENTS . AND ASSUMES NO. ,I / II SG// *bFf i 'RESPONSIBILITY FOR ITS USE OR LONGEVITY; THE OWNER 36 ��ley THEREFORE AGREES TO MAINTAIN AND MAKE ALL NECESSARY 417 • OCi[�C , A LS THE SYSTEM AT NO COST TO ADVANCED ✓T ENGINEERING. l CATi6.v f�.PTS ( 2. THE CONTRACTOR SHALL BE CERTIFIED AND APPROVED By _ _ THE COUNTY TO INSTALL SEPTIC SYSTEMS. �� %O 3a�O�Oh S��O ') I 3. THE CONTRACTOR SHALL FIELD VERIFY ALL CONTOURS, I ) "P/ '� SgN6 STUB OUT ELEVATIONS, AND TRENCH DEPTHS IN 30 J SC/� S/D �. ., I C \ (2. /2? CtIAW.✓ DRAINFIELD AREAS PRIOR TO CONSTRUCTION• 4. ALL.CONSTRUCTION MATERIALS AND INSTALLATION SHALL I I / / NI A ri i FD{_> - CONFORM TO ,ALL APPLICABLE' STATE AND COUNTY HEALTH 2l SP50&SPf@A$ - I DEPARTMENT REQUIREMENTS. D O W _. - �� � ca 5. IT SHALL BE THE INSTALLER•S'RESPONSIBILITY TO HAVE A COPY OF THIS DESIGN .ONSITE AT.ALL TIMES DURING �� - c` CONSTRUCTION. �lU •0 1 6. IT SHALL BE THE OWNER'S AND/OR INSTALLER'S 3 . < -- P4ow L. RESPONSIBILITY TO NOTIFY ADVANCED ENGINEERING AND • i THE COUNTY HEALTH DEPARTMENT FOR THE REQUIRED L �O`/ ' /S '�'ii 3 c- � (INSPECTIONS PRIOR TO BACKFILLING D • •. Capadty-U.S.G.P.)d.D 20 40 60 80 100 120 140 I �/ yU ��f� i 7. ALL REQUIRED TESTS SHALL BE SUCCESSFULLY RUN PRIOR - � • TO CALLING ADVANCED ENGINEERING FOR 'FINAL 6' ' 6.f'n'! O M / ((-s )' ACCESS LIDS MUSTLBE ACCESSIBLE FORNINSPECTION. TANK & 33 n-T�`/ ) 8. ANY VARIATIONS TO THIS: DESIGN SHALL FIRST{ BE . 'o Nrc l V LO¢c�"1 FtL�- APPROVED BY' ADVANCED ENGINEERING AND THE COUNTY HEALTH DEPARTMENT., PUUIP OUIRV� 1MR S OO IR ©CSI\0L ___ i9. OWNER/INSTALLER SHALL NOT REMOVE. ANY TOP SOIL IN DRAINFIELD AREA. REMOVAL OF TOP SOIL COULD RENDER THE SITE UNUSABLE. ==1 HAZEN &WILLIAMS C 140 LI 10. EXISTING UTILITIES SOWN ON THE PLANS HAVE BEEN = L A T E R A L D A T A = • 4 -LOTTED FROM THE BEST INFORMATION AVAILABLE TO THE. 2. LATERAL LENGTH 48.0 feet + 6. LATERAL DIAMETER 1.25 inch - �� DESIGNER. ACCURACY AND COMPLETENESS ARE NOT * 3. LATERAL SPACING 2.5 feet * 7. ORIFICE SPACING 2.5 feet •• . • - GUARANTEED. * 4. PIPE SCHEDULE/CLASS 40 * 8. ORIFICE DIAMETER 3/16 inch II - I • 5. NUMBER OF LATERALS- 4 9. ORIFICES/LATERAL 19 _ = MANI FOLD DATA=== - /L/e ... \'�' `r✓ THREADED CAP OR PLUG *10. MANIFOLD LENGTH = 7.5 feet *12. MANIFOLD DIAMETER 2 inch *11. PIPE SCHEDULE/CLASS 40 *13. MANIFOLD TYPE END - OS =- FORCEMAIN DATA = -h.: 1 PLUG IN SLEEVE *14. FORCE MAIN LENGTH 75.0 feet *18. SWING CHECK:VALVES 1 ' _ 6 PVC *15. PIPS SCHEDULE/CLASS 40 *19. GATE VALVES 0 I _ a 16, FORCE MAIN DIAMETER 2 inch •20. OTHR.VEL"HDS.LOST a S' D13GREE BENDS 4 * I [III I IC /�+ �E= '1(/'HIGH WATER ALARM • LAST ORIFlCE;WITH ONTATI �� YYY LL t� �� -- SHIELDS IF ORIFICE ORIENTATION/f IS UPWARD _- S Y S T E M HEAD - FLOW DATA == 1,- Qi •� II PLMP ON 6 7� ACKF(LL g MATERIAL Th. *21_ CALCULATE 10 VALUES OF PRESSURE AND FLOW AT THE PUMP USING 1_0 FOOT /� it PUMP OFF 7'v ,�������� �� �� ��`� MINIMUM PRHSSDRS ON THB LAST ORIFICE AND YNCRHMBNTING THE �� 9. _ , e•-za- PRESSURE OE VAT LAST ORIFICE 8Y 1 FSBT. O I• �1 1 /F�- 1 V.= o /! �\��/\����� I ` \��\����� 1 • *22. DRAINFIELD ELEVATION ABOVE PUMP = 5 FEET SUMMARY 0 F HEAD - DISCHARGE DATA - .e•. .. .._-._._.._: - o PR LAS ------------------------------------------------------------- .. i0 I _ __ �. // -0 Q O PRESSURE CANNER \ OOO p_(Q�OOO SPECIFIED • RESIDUAL FLOW DELTA HEAD AT HEAD AT DELTA TOTAL TOTAL O . O DRAINROCK;S•MIN. HEAD AT PER FLOW IN DISTAL FORCE HEAD IN SYSTEM SYSTEM �\ I 000 D O�OC BELOW PIPE LAST ORIF LATERAL LATERAL LATERAL MAIN MANIFOLD FLOW HEAD 1. ' GAL. CHAMBER CHOSE OR LONG O y9. EFFLUENT PUMP — R EQUAL.ATIC . PVC ELBOW @=e(feet) (gal/isle) <l0$ ok (feet) (feet) <30'& ok (gal/min) (feet) 7. 1200 GAL, WATERTIGHT CONCRETE PUMP CHAMBER WITH WATERTIGHT S +� OR 1..00 8 05 8.0 1.23 1.14 -7,4 32.2 8.5 Z. BOO„GAL.--.CHAMBER. -v �\ \\-\� •\� q•PVC WITH DRAIN HOLES; 2.00 11 38' 7.6 2.44 2.26 -7_6 45.5 11.7 •- • ` RISER AND LID. IF DIFFERENT 10. "ORENCO" WATERPROOF JUNCTION'• ' ExTENDMO ITORPONOINAVEL TO MONITOR PONOINO 3.00 13.93 7.4 3.65 3.37 -7.7 55.7 14.9 .3. /ZLL7 GAL. SEPTIC TANK PUMP CHAMBER IS USED. THE BOX. 4.00 16.07 7.3 4.85 4.47 -7.8 64.3 18.1 ' . ' MERCURY FLOAT WILL CHANGE. • B INFILTRATIVE SURFACE 500 17.96 7.1 6.05 5.57 -7.9 71.9 21.3 • '4.. "ORENCO" 24" WATERTIGHT DOSE VOLUME a�GALS ± 6,00 19.67 7.0 7.24 6.66 -8.0 78,7 24:4 ,/ 11. THREADED UNION 7.00 21.24 7.0 8.43 7.76 -8.0 85"0 27,5 RIBBED PVC RI ER W/ LID ®4.f $' Ja t� - 8:00 zz.71 6.9 9.62 s.as -8.1 90.8 30,5 (GROUTED ON) /7QO,o yirr/ic 8. MERCtJY FLOAT WITy ES. 12. CHECK VALVE 9.00 24.08 6"8 10.81 9.94 -8.1 96.3 33:6 ATTACH TO SECURED PVC _• 10,00 25.38 6.8 12,00 11.03 -8.1 101.5 36.7 5. SWITCH AND ALARM PANEL • • fL04T577c7C/AND SET FOR PUMP 13. . - . 4'f0 PVC FORCEMAIN • ON'HOUSE. CYCLE. Volume of Laterals 14.9 '� - - - Manifold Volume 1.3 /9 6F!'"L li 5A/7 P/LTG _ MONITORINOICLEANOUT PORT Force Main Volume 29.1 6. POWERLINE I A �I D I fEXAMPLEI Total System Volume 29.3 gallons H I I '• Z5 4'S ADVANCED ENGINEERING OWNER: - JOB NUMBER — Montesano, WA 98563 Rte- .DATE 360-249-8447 SHT OF?_ - •IIJ_i •MASON COUNTY ENVIRONMENTAL HEALTH ,�.I & /. / ���`ON Go 6 � w •,h %8 AGO 7y- /9 mBour ault/ : ,7 Bour auit teeW Rd G X23 ^/o Ty�� ' Purdy -__ 101 PURDY _ Eagle 3a � a.� a 101 ie� S / .•-" / . . / Pad 1' s // � 1 YY IDESISFA C RI 1&v i K,, , TL 4/az {mil ue '_ 1 Bedroom residence= G.P.D. 'Cpricary) F,v yfr F z (reserve) ��S�14G G.P.D. ei , `�� Cpzimsry) �'Sti I.0 C.P.D./S.F. _ 7r� G.P.D. r ,JO / Creser-Oe) /Q Q.P.D.IS.F. 7 ' ` 1. DRAINFIELD, SEE DETAILS _ 2. BENCHMARK EL. = 100 ASST.0CD ;. •'� �r.�c. 1j20d.1/a / 5 %4. . ? ��� T/�Jrc/C, GUv4J' ' P�� 3. 12pp GAL. CONCRETE SEPTIC TANK. 77W M /2 2rcG2�. ,.s >' �E/L v 4. X.2oo G9G. Goivc. .Ov�n� T.q+�rK. �.: ti. SOS �fc9J r-oit / — /JOi3es4 �� �`���� 5, c�yf !�p PVC DELIVERY LINE. \�` 5. 4 PVC ASTN 3034 TIGHTLINE. NIN. SLOPE = 2% 7. 4" PVC CLEAHOU I.E. _ "2''v/ PGJS' 9. WATERLINE. MUST BE MkOM ALL SEPTIC SYSTEM LOCATED COMPONENTS. LEGAL DESCRIPTION OB N MB VANCE NGl EERING OWNER: _ JOB NUMBER 128 N.River Street O� yO ' � 1 ontesano OVA 98563 �� , —71r;� ' Sld TaiP/i GJ�? ggSBy TiE' /� S/� Z!/d Z SCALE: ' C/O �ki 5H7_l OF 7� 360-249-8447