Loading...
HomeMy WebLinkAboutSWG2026-00113 -APPLICATION/DESIGN - SWG Application / Design - 6/10/2026 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: SWG2026-00113 APPLICANT PIERSON KELLY K&TONI M Phone: 360-490-3960 Address: 3891 W SKOKOMISH VLY RD SHELTON, WA 98584-7433 CONTACT Emmett Wilson Phone: Address: 528 E Spokane Falls Blvd SPOKANE, WA 99202 OWNER PIERSON KELLY K&TONI M Phone: 360-490-3960 Address: 3891 W SKOKOMISH VLY RD SHELTON,WA 98584-7433 SEPTIC DESIGNER CINDY WAITE* Phone: 360-701-0205 Address: 80 E PICKERING LANE SHELTON, WA 98584 Site Address: 3891 W Skokomish Valley Rd Primary Parcel Number: 421182400180 Permit Description: 3BR Repair-Nuwater Permit Submitted Date: 04/17/2026 Permit Issued Date: 06/16/2026 Issued By: Jeff Wilmoth Current Permit Fees Paid: $845.00 (additional fees may be required upon installation of systems Permit Expiration Date: 06/10/2029 (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. !1 DESIGN FORM—PAGE ONE Assessor's Parcel Number: 4 2 1 1 x 2 4 0 0 1 x 0 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 maybe scanned and available for public view on the Mason County Web site.Maximum paper size: 11"X17" PARCEL IDENTIFICATION Permit Number: SWG - O(- c r 3 Designer's Name: CINDY WAITE Applicant's Name: KELLY PIERSON Designer's Phone Number: 360-701-0205 Mailing Address: 3891 W SKOKOMISH VALLEY RE Designer's Address: 80 E PICKERING LANE SHELTON WA 98584 City State Zip SHELTON WA 98584 City State Zip Designer's Email cindyewaite@msn.com DESIGN PARAMETERS Treatment Device ❑ Glendon ❑ Sand Filter ❑Mound ❑ Sand Lined Drainfield ❑Recirculating Filter IIATTU BNR 500 ❑Other Treatment Level(check all that apply): ❑ A III B !1C ❑BLI BL2 IBL3 Yf E IN • Drainfield Type ❑ Gravity Pressure Trench ❑Bed ❑ Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class SCHEDULE 40 Daily Flow: Operating Capacity 270 gpd Length 50 ft Daily Flow:Design Flow 360 gpd Diameter 1.25 in Septic Tank Capacity(working) 1200 TRASH,BNR4 500 gal Number 6 Receiving Soil Type(1-6) 5 Separation 5 ft Receiving Soil Appl.Rate .4 gpd/ft2 Orifices � iJ r� Required Primary Area 900 O ota) N `mberof O� t ices 60 Designed Primary Area 900 ? Diameter 3/16 in Designed Reserve Area 900 ? x „ pcm 60 EA in Trench/Bed Width 3AS0N O UNTY ENVIRONMENTAL h�n1_TH Manifold Trench/Bed Length 300 ft Schedule/Class SCHEDULE 40 Elevation Measurements Length 1-2 ft Original Drainfield Area Slope <1 % Diameter 2 in New Slope,If Altered % Preferred manifold configuration used? l'Yes O No Depth of Excavation Up-slope 18 in Transport Pipe from Original Grade Down-slope 18 in Schedule/Class SCHEDULE 40 Designed Vertical Separation 18 in Length 20 ft Gravel-based Drainfield Required? I6 Yes ❑No Diameter 2 in Pump Required? 56 Yes O No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 6 Diff. in Elevation Between Pump&Uppermost Orifice 5 ft Dose quantity 45 gal Drainfield Squirt Height/Selected Residual(head) 2 ft Chamber Capacity(flood) 1275 gal Uppermost Orifice F 'Higher O Lower than Pump Shutoff Pump controls:Please check those required. Capacity @ Total Pressure Head 35.4 gpm I?.! Timer 21 Elapse Meter EX Event Counter Calculated Total Pressure Head 7.42 ft If Timer: Pump on ,Pump off Comments SEE NOTE#1 PAGE 14, PUMP CONTROLS TO BE SET AT TIME OF INSTALLATION. DO NOT SET PUMP TO TURN ON ANY LOWER THAN 2.5'.. BURY ALL TANKS 18"BELOW ORIGINAL SOIL, SEE PAGE 9 ITEM 1 FOR TANK INSTALLATION. PUMP TANKS IN THE SUMMER MONTHS TO PREVENT FLOATING AND FILL IMMEDIATELY. Revised: 6/11/2025 DESIGN FO?M—PAGE TWO Assessor's Parcel Number:; 4 2 ! 1 1 8 , 2 ' 4 ; 0 + 0 1 1 ! 8 0 i Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch Test hole locations Drainfield orientation and layout Reference depth from original grade: I Soil logs f Trench/bed dimensions and Septic tank Property lines' . critical distances within layout 10 Drainfield cover 1' Existing and proposed wells D-Box/Valve box locations Reference depth from original grade within 100 ft of property . f Septic tank/pump chamber and restrictive strata: t Measurements to cuts, banks, and locations p,1" rri r ' t Laterals,trench/bed,top and surface water and critical areas Observation port location bottom O _ ocation•and orientation of. Clean-out location O Curtain drain collector curtain drain and all absorption { I Manifold placement ❑ Sand augmentation components Orifice placement Other cross-section detail: if Location and dimension of V ports/clean-outs primary system and.reserve area � Lateral placement with distance Observation to edge of bed Other Information Buildings Audible/visual alarm referenced Yes No Direction of slope indicator tab" Qf Scale of drawing sown on scale O Design staked out Waterlines bar ❑ ❑ Recorded Notices attached iI Roads, easements, driveways, Elevation benchmark and relative ❑ ❑ Waiver(s)attached parking elevations of system components O Pump curve attached North arrow and scale drawing O O Evaluation of failure shown on scale bar. Non-residential justification ❑ O Waste strength ❑ ❑ Flow DESIGN APPROVAL The undersigned designer must be notified nstaller a time of installation Yes O No Signature of Designer -p to ) 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: E rrIipntal Health peQia ist at CAUTION: DESIGN APP OVAL IS VALID Ol`a�•S NDER THE FOLLO Il9TG CONDITION: ✓ rIR0t\MEMA� L,��! I The design is stamped"Approved" by Mason Cou; Z�u6f-tc e fir. / ✓ The Onsite Sewage Permit has not expired,the Permit Expirationates: l ® J ✓ 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. Revised: 6/11/2025 7290 W EeI1s Hi11'Rt#, Shelton W 54USA,West Mason Tai iinshin Pafcel[d 21182400180 • 3A - �r �'YCit£wtJn�V�I'—'�''-�•.••,'^'""� '". •i ..� Iy 1 •nf- G� '1 ; rT 'i q' ' ` � ' - .. _ i •~, ,�.,} Nom' 4 -i•i '. I__i / 4 •'l ..�-T� -'f� • ec��3 y+i \ • 1 • 1 _ `` C. �,- } �� i � >1�QOL. `1 f' �', ';F .' J�� �� ��• ,. � �ts,� z... , � 1, J S E- - r I Y v „ 4r I �I III I - � 1 ' ' s p 'tir / _ .- _.. ::—. _.:.....�:..x..--.- y�ltb.0'- '.. 'a' r' y v � Jj 'Fi• 4E. .ti. j / - f y �xt�OQi � �' Y` "•. - - !a /.if GIS L F` R Soil Test "" + *>�', y i y , .... r Rw 3 IR Perri ni 5 Buffe 5+ ��v �r d N r WA MasonA o ` � P n 10 ft Contours , , '+ �' 1 - } a id ,a o., L • -...,�J _ .: .rZ�U1" . '~4' r ®O tlpy, � i•}1 _ - ti � ��'_} ''" �Ai i°^ ..�^� r r' }�� w�� I`40,, � .:..�..•��...-i�.�- - � 7290 W Eells Hill Rd, Shel n, WA 98584, USA,West © : 421182400100 WA fvIason 10 ft. Contours t� — �z. -J a, - 3, Clean out �'�o `" ; 4 1200 gallon trash tank s- 5 RNR 500 6 1 00 gallon pump tank d . 7_ITranport line ' v �' ,PnmrdraJnfieIdJ 9 Reserve_drainfield �.x ° 10 Well - 1 - W terline ---- -mow ! yii - i . z C Foundation 7 100e00 r n 1 Trashnk _ta 00e � ONR 000 _ _ i i 908 0000 ---��8 � Sept c nlC- — { 41 97.00 I 3 �a �� Bottom of drainflell _ 00800; f v�V tea- ��.���-_--- - --•- - i Seale 1 in 30'€t N. ORIFICE SPACING Lateral# Length Length Orifice # Distance from Distance from end Length# # (Feet) (Inches) Spacing" Orifices feeder Tine of end of lateral 1 50 600 '60 10 2.5 2.5 50 2 50 600 60 10 2.5 2.5 •50 3 ' '50 600 60 10 , 2.5 2.5 50 4 50 600 -60 10 2.5 2.5 50 5 50 600 60 10 2.5 2.5 50 6 50 600 60 10 2.5 2.5 50 300 60 TRANS LENGTH 20 GPM I 35.4$ K (2"SCHEDULEN )40284r..� {5j . , FRICTION LOSS 0;4232859; Squirt 2 Elevation difference 5 p a TDH 7.4232859 • . a TRENCH CROSS S CTION , JUN 1 5 202 MASON COUNTY ENVIRONMENTAL HEALTr • tea. Tb � oa • ji'V� S'ca1e , - 0, 3� a DRAINFIELD LAY UT • T = : 7;r . - } I l\\ - - 11T LJ TTTTTT 111/ TTt i5Tt A • • t, 9 V p CINLYJ�'WAI .,` LIC SEDDFNER ' ,,'':: LAN.r2CS U 7O X1=CLEANOUT/OBS PORTS I • ' X2=B-BCXlVALVE BOX 0 X3Check Valves j ) • r L X4=Flow Control Valves(t� i Nalco-( bvc X5=Soil Logs •�.3 G- � °' 5' • L-• Y • {y{JUN 15202S MASON COUNTY ENVIRONMENTAL HEALTH • •TO'DRAINPIELD RISER WITH LOCKING LID PRESSURE LATERALS A A FLOW CONTROL VALVE SLOTS AS REQUIRED LONG:SWEEPiio DEGREE ELBOW• J1SECTION A-A J. . WASHED ROCK DRAIN SUMP TRANSPORT PIPE FROM PUMP CHAMBER ?�' =-.I £ : ,A1T 'yJUN 9 + E xPiRES o5ooi . MASON COUNTY ENVIRONMENTAL HEALTH lj IJ rGr C. ow o 13v Ii- • m i cv rue1 THREADED CAP OR PLUG P . , V d 6'°PVC LAST ORIFICE;WITH ORIFICE SHIELDS IF ORIFICE ORIENTATION IS BACKFILL 4. W W UPWARD MATERIAL ' \ ���--�-� >> • ' --f O cS'o O O PRESSURE LATERAL AS SPECIFIED LONG SWEEP / OO 0O_ ELBOW DRAIN ROCK;6"MIN. UNDISTURBED SOIL 6"PVC WITH DRAIN HOLES; EXTEND TO BOTTOM OF GRAVEL TO MONITOR PONDING INFILTRATIVE SURFACE � i �, of Xd�s,y :S;`. " �� - ��` ONITORI,NGICLEANOUT PORT �,; (EXA PLE) � 1p1:.O= CINA AITE t� 6 :?�k LICENSED fGIGNER - I I) I•i'IH�S 115 io, .. • 360.214.1615 Votalr Bolles fay the highest Qgilsa913 nVocasii pited�ric Home Septic System Products Septic Tan Drawings Technical Support Install Instructions Custom Products Contact conterit copyright 2017.s'oundplacementservices.co ManufOcturers Installati n Instructions Tank Installation; Evacuate to minimum 3-inphes below required d pth and to firm undisturbed material. Exercise extreme care during excavation to avoid damage to buried lines,tanks and other concealed items.Ta k to be set level and hole should be free of any water. Bedding material described as sand,gravel, granite,lime'rock,or any unsaturated soil materi I of sandy loam or coarser texture. 100%of bedding material passes 1.5 in screen. Fill,Rack'Fill and Compaction Back Fill around Tank carefully and evenly in 18" ifts with imported granular material or native soil should be free of large rocks or other foreign material that may cause.damage to the tank(s). Burial D tjh Where installed p high water situation,a minima of 13.5 in shall be placed on the tank lid or the tank shall maintain enough liquid in the tank during High Ground Water Situations to offset Buoyancy. Cover over tank not to exceed 36"or 48"for 3 Comp 2633. Deeper cover will require thicker lid. For Jurisdictions eouiring Water Testing Fill to invert 6f inlet end test to invert of outlet and let stand for 24 hrs. TESTINb t,ITHQU,T PROPER BACKFILL ON Li WILL DAMAGE SEAL BY HYDROSTATIC LIFTING. NuWater infiltrator Tan Assembly • Parts required: • 1.Infiltrator Iry11060 Tank, tac<1ashyle,bottom tank on top 2.Standard baffle wall(bla �o � 3:(2)support post •.4& • y, v 4.Bag of clips,dowels,groin5.,NuWater baffle walls( e)6.1"PVC'stick'/:"PVG Ick 1004'p 7.NuWater assem kit V E. TE`(2)11'Orenco ifice shields, LICENSED DP81GtV.ER 9.(4)1"galy zed self tapping screws exr>ihEs os.io, disco ect/.unions,as desired Tools quired: ( . M1 1:Sp y Soap `, j 2.Rag ' . Li JUN 15 2D26 3,Drill u3't i& L 4.•1-3/8' h le saw MASON COUNTY ENVIRONMENTAL HEALTH 5.5:' les 6. mer .. t E 7. w 8.'PVC Glue 1200NCP & 12OONCP-HW �Ati ,. spy, 1475 GALS. FLOOD CAP. 102" • 96" I--- -----------------------, I I • I I I I 6 TOP VIEW 24" 1 g" 6571 4„ I I � I .3" MASTIC 6' PV POR• 24 ORENCO TANK ADAPTER 4' CAST-A-SEAL GASKET Lf ! . 7 . . 4• .43 GALS. PERANCH ©_ 5v C i IT S. 4'. 3" . APPI OX. WEIGHT 1 1 ,000 LBS. 9'-2° WATERTIGHT LID VENT(typ) DUAL PORT AERATOR RISERS(TYP) 36"MAX. 1"PVC(TYP),' ,o ° 1/2"PVC AIRLINE MASTIC 4" 2"COUPLING ç - - _ J &REDUCER 6" 2"TEE ,, 12" 1"PVC SLUDGE I - .1 RETURN LINE 2"PVC '. -. -' 'TRASH CHAMBER "•• OPERATING CAPACITY:417 GA Otis DIGESTER CHA1118ER CLARIFIER OPERATING CAPACITYa421 GALLONS ' CHAMBER FLOOD•CAPACITY:4S0 GAUL NS FLOOD CAPACITY:494 GALLONS 160 GALLONS 65" sS■ FLOOD:191 GAL. 53" 3S" :0. ' i ,• , o TEE• .. - '. '' 12" O' DIFFUSER BARS(2) PARALEL TD TANK WALL-* ' 4" 3" SLUDGE RETURN^ e , / 1.5"TAPER S�p���yy 1,,= ft STONE-FREE NATIVE SOIL• °• 'OR COMPACTED SAND . • INSTALLATION INSTRUC IONS QVER STONY SOIL . ' 1)Excavate tank hole with vertical walls to 1 foot I rger than . tank on all sides. • ° • . • °• 2)If bottom of hole is stony,.Install.3"of compact and&level i 9'-2" out with screed. _ _ 3)Install tank in center of hole,keeping 1 ft.void pace on • • -1 E ,_ ——1 all sides. I • ti "24'RISERS' 'P24"BLOWER 4)As tank is filling with water,fill in void space wt compsct I I ) ,CUSING CAS �. granular(sandy)soil free of large clumps of.clay. I • ii N TOP OFLI 5)Install rest of system,&affix risers to adapters ith waterproof adhesive. 3 4'-S 6)Perform watertightness test In field as required •y I I jurisdiction. • I• II ° 7)Upon approval to backfill,carefully badkflli with e' �, • I . .I I• 12"RISER I I soils over top of tank. 8)Final grade the surface to avoid c anelling Q WAS, 9� 'TRASH CHAMBER' I I b G • I'I CLARIFIERI water toward tank. : •Py� �� zc ' L- •=————0 J L • __ _ J __J . ' !: ;8?j.•: : •, ,\\.( O CI �4' b Try' T TAE T.`1ANK•DETAIL FOR uWA TER fiR-500, THE 'MENT UNIT ENVIRO-FLO,•INC:: • • REVISED: 'Wastewater Treatment Technologies .• °•.. • 3/01/12 P.O.BOX 321161,F.lowood,MS'39232' ' : ; • 5`CALE: ' (877).836-8476• (601)845-4716 fax 1" - 1 4 ft. ' ' www.enviro-flo.net' . ' — 1200NCF & 1200NCP-HW- 1475r gac GALS.. FLOOD CAP. ____ A f --- ----------=-------------, I I 71 „ 6" TOP VIEW 24" 18" I 65" 0041gr S CINDY E,Wq 2i LICENSEp DF..5IGNER 3° MASTIC 6• PVC PORT 24'•ORENCO TANK ADAPTER 4 CAST-A-SEAL GASKET [ 1 I?... I Ii:T 4" 25. 3 GALS. PER/INCH 65" 51I •.•, . 4„ l7' 2- 1 /2 ' HH •, • i • n APPF OX. W E I G H ,1 11u,�c 2 B g_-" MASON COUNTY ENVIRONMENTAL HEA!-i iiier m s p6 p1 • LITERS PER MINUTE 0 50 100 150 200 250 40 12• 10 GJ N CINDY E.WAITf�` 1 �; 8 LICENSED DFISIGNER i'IPLS ,;510, • W FW- tL W Z •.Z • O ? 20 Z H 1: • IIIIIIIII 4 10 iiiiiiiiiiiii 0 0 0 10 20 30 40 Oh �, ,� 0 70 GALLONS PER INV�E t j 7 ? • . ' <<* � iUN 15 2g26 , 280_Pl 8010/7/2015 ®Copyright 2015 Lib rty Pumps Inc. All rights rescyid.lpecifics1lons subject to change without notice. MASON COUNTY ENVIRONMENTAL HEALTH , Installation Notes Pretreated Pressure Distribution System: 42118-24-00180 3891 W Skokomish Valleey Rd 1. Access to tank location will be difficult for a tank truck. Tanks may need to be set with an excavator. 2. 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. 3. Install system during dry weather with acceptable soil conditions 4. The tanks may be moved as necessary to accommodate building requirements. Septic tank location must meet all required setbacks. 5. BNR 500 must be installed in concrete tank 6. Trash and pump tank must be concrete 7. Gravel based drainfield required 8. Tanks to be installed two feet under original soil 9. All tanks need to be waterproof 10. Note page 11 note 2 11. Keep wheeled vehicles off the drainfield area before, during and after installation. Tracked equipment only, 12. 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. 13. Curtain drains can be no closer than 10' upgradient and 30' down gradient of the drainfield 14. Exposed restrictive layers, cuts, banks, etc. can be no closer than 50' downhill from the drainfield. 15. Install access risers on the septic tanks, valve box and ends of laterals. 16. Make sure septic tank risers are epoxied or caulked to cast in riser rings on tank. 17. Lids must form a water and gas tight seal with the access risers 18. This system must be installed by a Mason County Certified installer or 19. Deviation from this design without prior approval from the designer and Mason County Health Department will make this design null and void. 20. 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. 21. Install bed with contour of the ground 22. Install trench bottoms level and always maintain a minimum of six inches into native soil 23. Install locator tape on top of all drainfield laterals. 24. Install threaded clean outs at the ends of all laterals (caps; ust extend;to within six inches of finish grade and be in a valve bps sho n on diagram. JUN 15 2026 :Y. MASON COUNTY ENVIRONMENTAL HEALTH • 25. Filter fabric require over drain rock prior to backfilling. If the drain rock extends above the original grade, r n the filter fabric at least 2 inches down the trench wall. S . S stem Owner Responsibilities; 1. `Operation and Mainte ance is required by Washington State Department of Health and Mason'County Health.Department. 2. The septic tank and p mp tank should be pumped every three to five years or as needed. • 3; 'System owners are re ponsible for having maintenance performed annually. 4. System owners are re ponsible for responding to septic issues in a timely manner. 5. System owners shall of at any time change or alter settings in the control box. 6. •System owner agree •to read and abide by information regarding their system in the • User Manual provided'by Mason County Public Health. . 7. .Keep the flow of sews a at or below the approved design operating capacity. 8. Keep waste strength residential waste strength parameters. 9. 'Spread loads of laundiy through the week. 10.'Do'not Use excessive leach or detergents with added whiteners. 11. Do.not shower, do lauridry and dishwasher at the same time 12. Antibiotics can kill or irjipair the biological process in the septic tank. 13. Leaky plumbing can h draulic overload your on-site septic system. . CIN E.WAITS ,' LICENSED FEIGNER [EXPIRL•S'05;10, '