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HomeMy WebLinkAboutSWG2026-00141-APPLICATION/DESIGN - SWG Application / Design - 5/26/2026 MASON COUNTY 415 N 6TH STREET,SHELTON,97 ,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: SWG2026-00141 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: 421227690092 Permit Description: New Home, New OSS, New 2-Party Well 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: 1 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. 8 Future homesite development may require a geological assessment. 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/onsite/oss-inspection-request.php or call: 360-427-9670, extension 400. � 1 OFFICIAL USE ONLY MASON ®U N TY DATE RECEIVED AMOUPITflECENED RECEIVED BY: w Cl) Public Health & Human Services 945 op�L� ,N o Environmental Health 360-427-9670,ext.400 or 360-275-4467,ext.400 Cl) 415 N.6th Street-Shelton,WA 98584 SWG ( Q z cA ON-SITE SEWAGE SYSTEM APPLICATION > APPLICANT PHONE I'TI r MPM Venture Group 253-225-2808 ! � z MAILING ADDRESS-STREET,CITY,STATE,ZIP CODE v W 110WKSt., STEC m SITE ADDRESS-STREET,CITY,ZIP CODE �_ xxx Eagle Point Drive, Shelton, WA 98584 o I f a' NAME OF DESIGNER PHONE (1 w I Chris Elstrott 360-561-5000 I`,_-j NAME OF INSTALLER PHONE L Q Hatten & Sons 360-628-7851 [tE��7E_ cnllN PERMIT TYPE(select one) DRINKING WATER SOURCE ❑ RESIDENTIAL OSS ❑ COMMUNITY OSS ❑COMMERCIAL OSS ❑ PRIVATE INDIVIDUAL WELL 0 PRIVATE TWO-PARTY WELL z I N TYPE OF WORK(select one) ❑ PUBLIC WATER SYSTEM ❑ NEW CONSTRUCTION I UPGRADES ❑ REPAIR I REPLACEMENT OTHER DETAILS(select all that apply) ❑ TABLE X REPAIR j I SUBMITTALS ( ❑SURFACING SEWAGE ❑ EXISTING FAILURE ❑SHORELINE Q DESIGN FORM(REQUIRED) ❑E SEPTIC DESIGN(REQUIRED) BEDROOMS I LOT SIZE I WAS LOT CREATED AFTER4/1/2025? O I ❑ WAIVER(S)(IFAPPLICABLE) 4 1.32 YES NO C); DIRECTIONS TO SITE AND SITE CONDITIONS:(ex.locked gate) I to 6 I --I ko SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I I N OFFICIAL USE ONLY BELOW THIS LINE I UPGRADE I FAILURE SOURCE(for reporting purposes) ❑VOLUNTARY ❑MAINTENANCEIPUMPING❑ BUILDING PERMIT❑HOME SALE❑ COMPLAINT❑OTHER: INSPECTOR SOIL LOGS COMMENTS/CONDITIONS IOU ,% � � r C4141° &( 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. I I CT R SIGNATURE DATE APPLICATIO EXPIRATION DATE GAIT N APPROVED!ISSUED BY InTC - 5 ;z TH S MAY SCANNED ND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:01/09/2026 DESIGN FORM—PAGE ONE Assessor's Parcel Number: J / z z z 7 6 9 1O1O 9I 2 A design will be reviewed when 3 copies of each of the following are submitted: Completed design form that has been signed and dated. v 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: 11"X 171' ? _.?J... 5.rw,1 .�. J.,....:...J/ „r„FARGELrtIDEN1.11.:1CA'd,lON .._,r PermitNumber: SWG �Cj �.fl Designer's Name: C ',eis G�GsJ'i2Win' Applicant's Name: /�l/,�J ee&mho G2or�/� Designer's Phone Number: 360— 2 /— Mailing Address: / . ST° Designer's Address: /2&i IV. P/t/f/? Sr Si,�E�Tay G✓/a 9ya y City State Zip /)'WA1/F$11V0, Gg.'%19105d City State 1. Zip Designer's Email ��S7`o'® -49Cr c//� ecr' Treatment Device ❑Glendon ❑ Sand Filter ❑Mound Sand Lined Drainfield ❑Recirculating Filter 0 ATU 0 Other Treatment Level (check all that apply): ❑A ❑B ❑C ❑BLl 0 BL2 0 BL3 ❑E ❑N Drainfield Type ❑Gravity ressure 0 Trench ed 0 Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 9' Sched e/Class 4/D Daily Flow:Operating Capacity 5/�® f gpd Length ;ft i Daily Flow:Design Flow 1. gpd Diameter / /y in Septic Tank Capacity(working) /zjp gal Number 7 Receiving Soil Type(1-6) / I Separation z.S ft Receiving Soil Appl.Rate /p I gpd/ft2 Orifices Required Primary Area L/9Q ft2 Total Number of Orifices Designed Primary Area ft2 Diameter �___ in Designed Reserve Area a I ft2 Spacing moo. 'in TrenchBed Width /' ft Manifold Trench/ Length Length y� I ft Schedule/Class Elevation Measurements Length 7 ft i Original Drainfield Area Slope D % Diameter Z in New Slope,If Altered d I % Preferred manifold configuration used? 0 Yes o Depth of Excavation p Up-slope . I/ç ,,h /,I.Sc/in Transport Pipe from Original Grade Down-slope in Schedule/Class Designed Vertical Separation Z�/ I in Length 7f ft Gravel-based Drainfield Required? es ❑No Diameter z in Pump Required? O Q 0 No Dosing and Pump Chamber Pump/Siphon,Specifications Number of doses/day 9 Diff.in Elevation Between Pump&Uppermost Orifice J ft Dose quantity Jyp gal Drainfield Squirt Height!Selected Residual (head) y 'ft Chamber Capacity(flood) /2o a gal Uppermost Orifice Cd'Higher ❑Lower than Pump Shutoff Pump ccontro :Please check hose required. Capacity @ Total Pressure Head tiQ gpm t3 Timer ElElapse Meter U-Event Counter Calculated Total Pressure Head I£i T}n er"'�P p tierW'/R:(3�.5 Pump off Comments i t yZ6202Spgp :y Ty ,u ENTAL HEALTH . '• UV Revised:6/11/2025 DESIGN FORM—PAGE TWO Assessor's Parcel Number: IVI /1 Z 12-176 Permit Number: SWG DESIGN CHECKLISTS f, SScaleedd Plot Plan Scaled Layout Sketch Cross-Section Sketch Dtjst hole locations mfield orientation and layout Reference depth from original,grade: [ii j1 logs CTrench/bed dimensions and i _- 'c tank critical distances within layout Pro rtY lines Q Y YDramfield cover D-B xisting and proposed wells Iox/Valve box locations Reference depth from original grade within 100 ft of propeity Septic tank/pump chamber and restrict' strata: Measurements to cuts;banks,and Li_0__qa tions aterals,trench/bed,top and surface water and critical areas [03 b rvation port location bottom C'Location and orientation of C Cle n-out location J�Sand in drain collector ca 4ain and all absorption 9, F au entation rP C9� �M old placementaugmentation co ❑'. O ' ee placement Other cross-section detail: Location and dimension of ' ateral placement with distance Dservation ports/clean-outs primary system and reserve area to edge of bed Other Information Lt$uildings D ible/visual alarm referenced Yes No Direction of slope indicator e of drawing shown on scale ❑ [ 15gn staked D _Wterlines bar O Cie rded Notices attached ❑ s,easements,driveways, levation benchmark and relative ❑ aiver(s)attached parking (elevations of system components ❑ P curve attached ❑-iVorth arrow and scale drawing I O Dv91uation of failure shown on scale bar Non- siiential justification Waste strength low ', r DESIGN;APPROVAL I ! 1 The undersigned designer must be notified by installer at time of installation es 0 No 3 - 24 Signature Hof 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 o -s to regulations:I ' En r ital Health Specialist Date 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: 7J ✓ 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. I I i An Installation Fee is re uired. This form may be scanned and available for public view on the Mason cou'ty,Web:fsife; Re:'ed:6/11/2025 MAY 6226 :.1SON COUNTY ENVIRONP,".ENTA H' JR n r.+;n rt r /7a 2 °ash / -S� y� /, a 8°Ur cult cee� �/Ivws�O Rd,G Y tr- Purdy _ _-- -_ �� _ 101 PURDY o . oPos / f Eagle Fv�w m 2 2—d��?�rc �IOT $ �s C�Jua/T.V s� �AA5 yicG Ids �Z 7Z/a . . E 7;'- - '/ .- - F�i2 /Zo �G-s�e9�s�c 5✓ J3 - X01 7 �� �b D4� CT4© � Tf� f / • 3 / 3a' ' �' I-� � '44JIq [3gG�z sF \ Bedroom residence= G.P.D. CprIrry G.P.D. Creserve) \ V I y: b r j Z_U G.P.D. �y v Cprimsry) o / \° �� G.P.D. =y/ L (reserve) \ �� `�' v Cx.P.D./5.F. 7 • c4�a `� 1 DRAYNFIELD. SLE DETAILS 2. BENCHMARK EL. =, 9 ASSUME❑ � 3. J2ocrGAL. CONCRETE SEPTIC TANK. 80 C p � V 3 . yvL• 5. !� .SGi-1 SAO PVC DELIV'cRY LINE fT . MAY 2L L 6. d" PVC ASTH 30Jd TIGNTLINE. 62026 c MIN. SLOPE = 2S a µ 7. 4- PVC CLEANOLT, I.E. MASON COUNTY ENVIR0NMNT EAL HE 2S3 ALTH 8' WATERLINE. MUST BE LOCATED MIN.10' - PROM ALL SEPTIC SYSTEM COMPONENTS. _ LEGAL DESCRIPTION 'O'© � C NG FLING OWNER_ JOB NUMBER ADYfi N ED E 1NEE /yJl�iri ri�ivrue� G2r�uev :S:Z2 T:z� R:ywT.P.# Z/22-76-/1 93 5�' / 128 ICI.River Street� -- — Montes8447VA 98563 __sif.�crrs�v, kv,4 Ss's �2r:,2. SCALE: / �O SHTJ OF 2 360-249-8447 �° TfZ �a S/° -`- /r' - .S� -S '��13S v4r�dn/ 'Ts sics�sl� 21 r /ciuJ� 1 1 - I �' 's � Y L 'I T. i. THIS IS A SPECIAL DESIGN DUE TO ADVERSE SOIL LAIC` a:lS �i D�(iIrii L u2P~F. CONDITIONS, GROUNDWATER TABLE AND/OR TOPOGRAPHY - ADVANCED ENGINEERING HAS DESIGNED THIS SYSTEM IN r/ _T r 1 C - FA BR I G ACCORDANCE WITH ALL CURRENT STATE AND COUNTY HEALTH If '��G�� Tc ' -DEPARTMENT REQUIREMENTS , AND ASSUMES NO' �'� II• I / [ SGN yQ} '1L RESPONSIBILITY FOR ITS USE OR LONGEVITY.; THE OWNER 76 ' /yjQ /�--� �7 THEREFORE AGREES TO MAINTAIN AND MAKE ALL NECESSARY II 7 1 G- �A-1 �pC�S REPAIRS TO THE SYSTEM AT NO COST TO ADVANCED /�i Y ,j c � Tny�• i• ENGINEERING. � U,t�T�6Nj� 2. THE CONTRACTOR SHALL BE CERTIFIED AND APPROVED BY )i THE COUNTY TO INSTALL SEPTIC SYSTEMS. %O /3o�TO�r!dt= ' ( / TAL _ F�g �I / 3. THE CONTRACTOR SHALL FIELD VERIFY ALL.CONTOURS, I /r .n f - - Ic_ < I ` ^� 6' SRN4 STUB OUP ELEVATIONS, AND' 'TRENCH DEPTHS IN j I \ •/ . /2'/. . rysvr A/ DRAINFIELD AREAS PRIOR TO CONSTRUCTION. 30 4. ALL. MATERIA TIO SHALL f� oL2i - CONFORM TO A APPLICAB TE ➢ CO N , 1 LS AND INSTALLA 1 `, LL LE' STA AN UN7Y HEALTH - SP50&SPAB- � : r DEPARTMENT REQUIREMENTS... " �4e r e D O c 5 IT SHALL BE THE INSTALLER'S'RESPONSIBILITY TO HAVE 00 A COPY OF THIS DESIGN ONSITE AT ALL TIMES DURING ..- - CONSTRUCTION. X10 O \ 6. IT SHALL BE THE OWNER'S AND/OR INSTALLER'S �` ,i -` -- /LA) •.' - u RESPONSIBILITT TO NOTIFY ADVANCED ENGINEERING AND 0 .,D./ R\ / y7 �?rr 7 '/ (INS EC7 ONS PRIOR TIlE COUNTY TTO BACKFIH �NC,T FOR THE REQUIRED ye" P Q Capadty-U,S,G,P,M"0 20 40 60 80 100 120 140 �S+ 7. ALL REQUIRED TESTS SHALL BE SUCCESSFULLY RUN PRIOR. . ;; ,' I• TO CALLING ADVANCED ENGINEERING FOR FINAL ' /� •• 2 M '�S7 fyl. •fGr INSPECTION, ALL COMPONENTS, INCLUDING ALL TANK Cj9 (jPl2/f - G{,� 1 ` -tj /`` - ACCESS LIDS MUST BE ACCESSIBLE FOR INSPECTION. r �1 -7-f`/rte I,rl 8. .. ANY VARIATIONS TO THIS; DESIGN SHALL FIRST! BE s'9 AID 1 'l�, 1 V U LO�, ` Fi�-L APPROVED BY' ADVANCED ENGINEERING AND THE COUNTY M 'fit ('� r�j`J� ��" tl�, HEALTH DEPARTMENT., � ���� tM.C�1`WO Ix DO [ V 4VQL - Y- ��v [0E VIAQ 9. OWNER/INSTALLER SHALL NOT REMOVE. ANY TOP SOIL IN � - - - - - DRAINFIELD AREA• REMOVAL OF TOP SOIL COULD RENDER . K THE SITE UNUSABLE.. 1. HAZER &WILLIAMS C - 140. I' 10. EXISTING UTILITIES SHOWN ON THE PLANS HAVE BEEN �• =.O LATERAL AT E R A L DATA =.=_` >_ 4 - 'P.ESIGNE 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 ' II GUARANTEED. . ' • � * 4. PIPE SCHEDULE/CLASS. 40 + 8. ORIFICE DIAMETER 3/16 inch 5, NUMBER OF LATERALS 4 9. ORIFICES/LATERAL. 19 _ = M A N I F 0 L D DATA= = \ /� r THREADED CAP OR PLUG r ��' *10, MANIFOLD LENGTH 7.5 feet *12. MANIFOLD DIAMETER 2 inch • *11. PIPE SCHEDULE/CLASS 40 *13_ MANIFOLD TYPE END ,5_ , _ PLUG IN SLEEVE === FORC11MAIN DATA === _ -- *14. FORCE MAIN LENGTH 75,0 feet *18. SWING CHECK VALVES 1 a, - - B-Pvc *15, PIPE SCHEDULE/CLASS 40 *19. GATE VALVES 0 - j 'r�rr i1 R� D - *16. FORCE MAIN DIAMETER 2 inch *20. OTER.VEL,HDS,LOST 0 S I I+ IC-7B LAST ORIFICE;WITH ORIFICE *17. 90 DEGRE$ BEND$. 4 IC =X18 pJ Tr SHIEIAS IF ORIFICE Oft1ENTATION i HIGH WATER ALARM. IS UPWARD _= S Y S T E.M HEAD - FLOW DATA === li 8' `' :� PUMP CN 6 'rr MATERIALMATERIAL \ �--T MINIMUM PRESSURE ON THE LAST ORIFICE AND INCREMENTING THE ,. 9 � ._ ! PUMPOFF ������ e•.24' PRESSURE ON THE LAST ORIFICE' BY 1 FEET. (/'� 3 __ / \/ *22. DRAINFIELD ELEVATION ABOVE PUMP = 5 FEET O I , f s I0 0 %( SUMMARY O F HEAD - DISCHARGE DATA •a•. :. ....-' .. ;•p:•_.:._._ __ - - I PRESSOR CLAEEDRALAS \�\ 00 Ocpo°OHO RESIDUAL FLOW. DELTA HEAD AT HEAD AT DELTA TOTAL TOTAL \\ • �\ - _ \/\\ 0o °° O°O°D°°- DRAIN ROCKP,6-MIN, HEAD AT PER FLOW IN DISTAL FORCE HEAD IN SYSTEM SYSTEM - - o00 , 000 BELOW IPE PVC HOSE OR LONG /' LAST ORIF LATERAL LATERAL LATERAL MAIN MANIFOLD FLOW HEAD. 1. VCO GAL. CHAMBER •• 9. •EFFLUENT PUMP - HYDROMATIC, , SWEEP ELBOW (feet) (gal/rain) <10%ok (feet) (feet) <10% ok (gal/min) (feet) 7. 1200 GAL. WATERTIGHT CONCRETE _ . \\ S^ - fi5'� OR EQUAL. GAL. CHAMBER. PUMP CHAMBER WITH WATERTIGHT �\ �� TENOTO BOITO I 0FGRAHOLES: 1,00 6,05 8:0. 1,23. 1,14 -7,4 32'2 8,5 -^-•• - -- - • 4�, EXTEND TO BOTTOM OF GRAVEL 2.00 11.3$ 7.6 2.44 2.26 -7.6 45.5. 11.7 RISER AND LID. IF DIFFERENT 10. "ORENCO" WATERPROOF JUNCTION' �I•k TO MONITOR FORDING 3,00 13.93 7.4 3.65 3,37 -7:7 55,7 14.9 .3. /2CO GAL. SEPTIC TANK PUMP CHAMBER IS USED, MERCURY FLOAT . BOX WILL CHANGE '`` 4:00 16,07 7:3 4.8$ 4'.47 -7.8 64.3 18,1 _ INFILTRATIVE SURFACE 5:00 17.96 7.1 6,05 5,57 -7.9 71,9 21,3 4. "ORENCO`' 24" WATERTIGHT DOSE VOLUME = GALS + 11. THREADED UNION ' 6.00 19,67 7,0 7,24 6,66 0 78,7 24:4- _ - RIBBED PVC RER YI/ LID zc`zS J?%y �„ � 8.00' 21.24 7.0 8.43 7.76 -8.0 85.0 27.5 r Jr"u�' 22.71 6,9 9,62 8:85 -8.1 90,8 30.6 (GROUTED ON) ello E1_11 8: MERCURY FLOAT SWIT ES. 12. CHECK VALVE ,- 9,00 24.08 6,8 10,81 9.94 -8,1 96,3 33:6 ` ' , ATTACH TO SECURED PVC it f - _ 10.00 25.38 6.e 12.00 11:03 -8,1 101.5 36.7 5. SWITCH AND ALARM PANEL j20g75T@rtAND SET FOR_ PUMP 13. 2 , 4' t PVC FORCEMAIN a - to Volume of Laterals 14.9 • ON`HOUSE. CYCLE. Manifold Volume i_3 ._,r /�/, Lf/=LvE.v�- F/t7 4_ *� I T 6. POWERLINE A ! D E T A I L ��� Force Main Volume 13.1 \ i 'fEXAMPLEI Total System Volume. 29.3'gallons \ . ZSo�•3 OWNER: - JOB NUMBER 1 ADVAi�ICEI) EFVGI�IEERII�IG 5_�, �.- 128 N.12iver Street (� aCSTE" IDEA � — Montesano, WA 98563 / f', 1 j1 X1'1 T� DATE 360-249-8447 sHT Z • of Z