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Home My WebLink AboutSWG2026-00169 - SWG Application / Design - 5/29/2026 MASON COUNTY 415 N 6TH STREET,SHELTON, , 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: SWG2026-00169 (p) i-f ' APPLICANT LUIS FELIPE TORRES FAMILY TRUST Phone: Address: LUIS FELIPE TORRES/MARGO GALVIN TORRES-CO TRSEES SEATTLE, WA 98112 OWNER LUIS FELIPE TORRES FAMILY TRUST Phone: Address: LUIS FELIPE TORRES/MARGO GALVIN TORRES-CO TRSEES SEATTLE, WA 98112 SEPTIC DESIGNER CINDY WAITE* Phone: 360-701-0205 Address: 80 E PICKERING LANE SHELTON,WA 98584 Site Address: 41132 N US HIGHWAY 101 Primary Parcel Number: 224062200180 Permit Description: Table 10 repair 3bd ATU to pressure bed Permit Submitted Date: 05/29/2026 Permit Issued Date: 07/08/2026 Issued By: Rhonda Thompson Current Permit Fees Paid: $845.00 (additional fees may be required upon installation of system). Permit Expiration Date: 06/03/2027 (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. 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. M A,SO N COUNTY 415 N 6TH STREET,SHEL-967 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 8 Applicant to remove water spigot in drainfield area and any waterlines within 1Oft of septic components. 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. OFFICIAL USE ONLY MASON COUNTY DATE RECEIVED. O`/_ / C Cl) • _ AMOUNT RECEIVED: (✓^ RECEIVED BY:J Public Health & Human Services _ ARE v_ C6 Environmental Health 360-427-9670,ext.400 or 360-275-4467,ext.400 ≤ Cl)415 N.6th Street-Shelton,WA 98584 S W G _ O a ( 0 - v v v z U, ON-SITE SEWAGE SYSTEM APPLICATION APPLICANT PHONE m m LUIS FELIPE TORRES FAMILY TRUST 206-669-0286 z C MAILING ADDRESS-STREET,CITY STATE,ZIP CODE 2147EBROADMOOR DRIVE EAST SEATTLE WA 98112 M 41132 N HWY 101SITEADDR ��5d LILLIWAUP WA 98555 I NAME OF DESIGNER PHONE CINDY WAITE MAY 2 9-2026 360-701-0205 N� NAME OF INSTALLER PHONE TBD PERMIT TYPE(select one) DRINKING WATER SOURCE I RESIDENTIAL OSS COMMUNITY OSS II!COMMERCIAL OSS 9T PRIVATE INDIVIDUAL WELL PRIVATE TWO-PARTY WELL Z TYPE OF WORK(select one) PUBLIC WATER SYSTEM f1 NEW CONSTRUCTION/UPGRADES j REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) TABLE X REPAIR I N SUBMITTALS ❑ SURFACING SEWAGE Pf EXISTING FAILURE 0 SHORELINE DESIGN FORM(REQUIRED) i„I SEPTIC DESIGN(REQUIRED) BEDROOMS LOTSIZE I rWAS LOT CREATED AFTER 4/1/2025? O I 5WAIVER(S)(IF APPLICABLE) 3 .79 ac O YES ❑✓ NO I O DIRECTIONS TO SITE AND SITE CONDITIONS:(ex.locked gate) GO NORTH ON 101, ADDRESS IS ON THE RIGHT SIDE OF HIGHWAY. THIS IS A I DRIVE THROUGH DRIVEWAY. SOIL LOGS ARE ON THE WATER SIDE OF r I RESIDENCE. 0 CcL _') r SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. OFFICIAL USE ONLY BELOW THIS LINE UPGRADE/FAILURE SOURCE(for reporting purposes) ❑VOLUNTARY ❑MAINTENANCE/PUMPING ❑BUILDING PERMIT ❑HOME SALE OCOMPLAINT ❑OTHER: INSPECTOR SOIL LOGS COMMENTS/CONDITIONS ,1 J ' - - SOIL CODES: RECORD DRAWING AND INSTALLATION REPORT V=VERY G=GRAVELLY S=SAND L=LOAM SI=SILT C=CLAY E=EXTREMELY R=ROOTS REQUIRED FOR FINALAPPROVAL. INSPECTOR SIGNATURE DATE APPLICATION AT EXPIRATION DATE APPLICATION APPROVED/ISSUED BY DATE THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025 DESIGN FORM—FAGE ONE Assessor's Parcel Number: A design will be reviewed when 3 conies 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: 11"X17 PARCEL,IDENTIFICATION Permit Number: SWG (�}� f 00 f G Designer's Name: CINDY WAITE Applicant's Name: LUIS FELIPE TORRES FAMILY TI Designer's Phone Number: 360-701-0205 Mailing Address: 2147 BROADMOOR DR EAST . Designer's Address: 80 E PICKERING LANE SEATTLE 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 ATU BRN 600 1 1 ..[ .1 1 O Other Treatment Level(check all that apply): ❑A 1i0 B I C ❑ BL1 YJ BL2 1E:1 BL3 ii E KI N Drainfield Type ❑Gravity Pressure ❑Trench O Bed ❑ Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class SCHEDULE 40 Daily Flow: Operating Capacity 270 gpd Length 45 ft Daily Flow:Design Flow 360 gpd Diameter 1.25 in Septic Tank Capacity(working) 500 TRASH,BNR 600 gal Number 3 Receiving Soil Type(1-6) 3 Separation 3 ft Receiving Soil App!.Rate .8 gpd/ft2 Orifices Required Primary Area 450 ft2 Total of Orifices 27 Designed Primary Area 450 ft2 3/16 in Designed Reserve Area VERY LIMITED ft2 Sp` �'Fq� 60 of.,s in Trench/Bed Width 10 ft Manifold y. , Trench/Bed Length 45 its ft . du as � � y t oi8 t�` Elevation Measurements en ov WAITE Original Drainfield Area Slope 1 % LICENSED Df ;IGNER New Slope,If Altered o L ° �6s 10, in /o Preferred manifold configuration used? O Yes Iit'No Depth of Excavation Up-slope SEE PAGE 5 NOTE 1 in Transport Pipe from Original Grade Down-slope SEE PAGE 5 NOTE 1 in Schedule/Class SCHEDULE 40 Designed Vertical Separation 24 in Length 30 ft Gravel-based Drainfield Required? ❑Yes l6 No Diameter 2 in Pump Required? I f Yes O No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 6 Diff.in Elevation Between Pump&Uppermost Orifice -4 ft Dose quantity 45 gal Drainfield Squirt Height/Selected Residual(head) 2 $ Chamber Capacity(flood) 1287 gal Uppermost Orifice O Higher l 'Lower than Pump Shutoff Pump controls: Please check those required. Capacity @ Total Pressure Head 15.93 gpm Timer 56 Elapse Meter If Event Counter Calculated Total Pressure Head -1.85 ft If Timer: Pump on ,Pump off Comments CONTRACT DESIGNER PRIOR TO INSTALLATION, PUMP CONTROLS TO BE SET AT TIME OF INSTALLATION Revised:6/11/2025 DESIGN FORM—PAGE TWO Assessor's Parcel Number: 2 12 j 4j 016121 2 i 0 JO J 1L 8J 1 0 . . Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch if Test hole locations Drainfield orientation and layout Soil logsy Reference depth from original grade: g f7J Trench/bed.dimensions and ld Septic tank f Property lines critical distances within layout ¢1 Drainfield cover ❑ Existing and proposed wells O D-Box/Valve box locations Reference depth from original grade within 100 ft of property Septic tank/pump chamber and restrictive strata: ❑ Measurements to cuts, banks,and locations surface water and critical areas Laterals,trench/bed,top and Observation port location bottom ❑ Location and orientation of l0 Clean-out location O Curtain drain collector curtain drain and all absorption it Manifold placement ❑ Sand augmentation components i0 Orifice placement Other cross-section detail: Location and dimension of. DI Observation primary system and reserve area it! Lateral placement with distance ports/clean-outs to edge of bed Buildings Other Information Of Audible/visual alarm referenced Yes No Direction of slope indicator i9 Scale of drawing shown on scale If ❑ Design staked out Waterlines bar ❑ ❑ Recorded Notices attached Roads, easements,driveways, i7 Elevation benchmark and relative ❑ ❑Waiver(s)attached parking elevations of system components RI ❑ Pump curve attached. North arrow and scale drawing O ❑ Evaluation of failure shown on scale bar Non-residential justification ❑ ❑ Waste strength ❑ ❑Flow DESIGN APPROVAL --`` The undersigned designer must be not' d by installer at time of installation ITYes O. No Signatu a 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 on-site regulations: r� Environmental Health Specialist Date CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved"by Mason County Public Health. (3j2- //'VThe 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. This form may be scanned and available for public view on the Mason County Web site. Revised: 6/11/2025 ,,41132-US-1013 Lilliw tip WA.,98555, USA,West Mason Township, Parcel Id: 224062200180 /4 - - . .•. / , MARL( 1IEI 0.09.59.0"u-t' ' _ W V:s / JT ' JIofd:infieI ; :I: 8.50 94.00 R f / / i2 / I. /' / //'/ ' ,5L aJ Parcel Lines,Bufek5ft/1 j l . ry° ' Jig _fie I Residence �� 3O ! `'i 2 Audible/visual alarm 3 Clean out ° 4 500-1000 infltratorTrash tank f fit. 2�er° - 5 BNR 600 in infiltrator tank Gss deg end , ° Zg 6 1060 Infilitrator pump tank Measure Area f ' ti° ' 7 Primary drainfield rs �r r Measure Length f' tea 8 Waterline WA Mason 10 ft- Contours (.P s`` 9 Out buildings bt: YY + 4f___ ___ Scale=> 1 in 30 ft � d'\• ORIFICE SPACING 5 Lateral# Length Length Orifice # Distance from Distance from end Length# # (Feet) (Inches) pacing" Orifices feeder line of end of lateral 1 50 600 J 60 9 2.5 2.5 45 2 50 600 60 9 2.5 2.5 45 3 50 600 60 9 2.5 2.5 45 150 27 130 TRANS LENGTH 3.0 GPM I 15.93; K (2"SCHEDULEN 40) 284.5 FRICTION LOSS Iø1333, Squirt I 2 Elevation difference -4 TDH -1.8550667 APPROVED JUL 082026 MASON COUNTY ENVIRONMENTAL HEALTH TRENCH CROSS S RET CTION 12"- 2-7 '° a ol.2r ti ' /S`— j' S ivy 1 Paq e L./ x D AINFIELD LAYC UT - rd> / 17j f le - £ `�' �� GE DY FEIGNER• ��`:` X1=CLEANOUT/OBS PORTS C3 EXPIRES 051101 X2=D BOXIVALVE BOX X3=Check Valves X4=Flow Control Valves (3) / X5=Soil Logs Vd q- . 3 1 ` ,3 sPA here i nu n hy� yep oy�FN�AI y�`Tti THREADED CAP OR PLUG P P V& / _____ 6"PVC LAST ORIFICE;WITH ORIFICE SHIELDS IF ORIFICE ORIENTATION IS BACKFILL UPWARD MATERIAL — N / < /�'--- J. n II �� oO°c$o O O �- PRESSU E R LATERAL OoopAp o AS SPECIFIED LONG SWEEP / Cf DRAIN ROCK;6"MIN. UNDISTURBED SOIL --/ 6"PVC WITH DRAIN HOLES; EXTEND TO BOTTOM OF GRAVEL TO MONITOR PONDING £ ') INFILTRATIVE SURFACE tit �.pF/Xt^.Syj29�, . l 5tana�a: b1TORING/CLEAN0UT PORT \'02 LICENSED DFASIGNE� (EXA PLE) \ APPROVED EXF'HES'U51101 MASON COUNTY ENVIRONMENTAL HEALTH RET 7 cti r: FINISHED GRADE / CLEAN UT 24"RISERS WITH BOLT ON LIDS iT MIN. - /,-, ,, !T BAFFLE CLARIFIED ZONE EFFLUENT FILTER APPROVED per• CINDY E.'WA17E'' rr;` LICEWSW DfrSJG ER . Exai�2�ruf5;1 ; ^ JUL 08 2026 MASON COUNTY ENVIRONMENTAL HEALTH RET INFILTRATOR WAT R TECHNOLOGIES N WATER 8NR600`INFI L TOR"IM=10$.0''DETA SECTION VIED'V �(NQTTOItLCAL6) IIE_h!!Vi•- a!� ..0 TOR CRY VEN LATECLOC. n•6x> .rte v1 4i ---- -- - - _ - ..•!L v1li cam_ Alt FLEg 4•BC .3091 PVC REM 12P.VC 4•PVC 'kt=060:TANK• _�-'; cImET PRETREA (� .L �@-OAta BAFFLE? 1'P,VC:( I ER 47" I s GL as lII L 46" .) o eos, ITYP.? o, b 0• BAFFP G '•' CIFEL BARRIj PARALLEL TO• I. • W OPENING 127.0"EXTERI R LENGTH INFILTRATOR' - R1FItTRAT�i W/11'ERTECNNOLOOIES '(Lm%331�4p0' NLIMWTER BNR.800INFILTRATOR 1M.lO D DETAIL SECTION VIEW L,.EMB' -Cft-lY!l09fl6.--- .' edz•prorue Crarly 11FH; 9�a' I 1 t 510041 l� NOY E. , � JUL 0 8 2 26 LICENSED OIE eA ON �l C0UNTYENVIR0N EXPIRES•05%101 9EN AL HEALTH RET 1NrFIL.TRATOR. , SOJUOL/ D� o -_° septic tanks Nco 82025 MIY U R�r l y: ices&teriWtm • .StrangtlnJeotibn�moltletlilpolyprapyiene '' �. constructto�i? �• :Llghtweighit,piasticconshuction�and ,� :r » ; f.'.,• .. 'iri6oard�illfting�lugs allow�for easy- delivery andshandling• I integral heavy dutygreendlids that 1 iinterconnect'with,TWTM'-risers,,andlpipe Irier;solutions Structurallyxreinforced;aceess sports eliminate,distortion,duringinstailation I iand�pump=outs I + IRein•foreedlstcucturah,ribbing oA fbergiassll uikheads{offeradditbhal' ;$ f sfrengh; Canbe installed wlth.6"to 48" The lnfl{t ator IM=`tO80;is a lightweight stroiagI andrdura :letse tic tank, • canlbe7Pumped,dryiduhng1- This-watertight tank design iibi ered Ith inftitratorY s li a of custom:fit pump=outs rlsersandvheavyj.duty'llds Ir f itrator.lrjectlon'd olcted t nksiprou(de a •, suitable,foriuse as a'septicrtank,pump revoutionarj Improvement in:plastics apt ctank desi offenn loci ter ,tank,,Ior InwaterI(non;patabie)}rtank exceptional strength:and watrtIghtne s. _ i ;[Vospeclat�water;filling:requtremer is InletxSide .,. sarennecessary'• Itrat r , • Tit eta 'Wmaysbeltiackfilled�with suitable j TANK(CUTA VAY`` native soil:Seelinstallat on Instructions...°, E Ri r: ; for guidance %PBI't14on) ✓ ' .,baffie�walll qY' 02� foie t :HEAVY iDUTY'UD CUTAWAY' Etelnforced. j 24"structural; access portII Structural bulkheads. \\\j Ml =S M aCUTAYifAY' ,Ret`ior'edwater tight;mid=seam 'gä of{J' aconnection Protecting the Environment Mhti�lnnova 044'Wastewatsr atment Soluti N F i LT`R ATO R- water:technologiej r IM=1060.1General Specifications and lllustratic ns �_- _ .� _ �LIFaNSS W* OFnNGUIG RISEtrcaNNECTIQN.-__.-. _. .__:z (TYPICAu r (iTCfW" :RYPICALI. The,IM-1 060 lis'an injection,molded:two piece"'and-seam )plastic;tank.The iM'11060.injection,imolded;plastic design !' . allows for:amid-seam;joint that has'iprecise,dimensions" A. 4 ! , A for accepting an'.,engineered FEPDM gasket..Infiltrator's co ao. gasket design utilizes technology rfrom.the;water'lndustry ' d .•° b I ez. to.'deliver;proven•'means'•of maintaining:a'watertight seal. °' Ao-j " The two,piece design is permanently fastened ousing'a ; ! { I 4 f. t series of.:non-corrosive;plastic alignment;dowels and t I r 'locking seam clips.The•IM-1i 060..is,assehnbledrandi,soldI through'a:,network'of certified Infiltrator distributors. s ;r��fezlolExtEnroalEN�rr1• Mustbelbackfilledantl installed in accordance•with ...........TOP VIEW x Infiltrator Water Technologies0Infiltrator IM=Serles,Sept TariklGeneral Installation)Instructions and for shallow ground wfater'conditionsireference the) nfilteator M Series Tank ." r i .. � 'Please visit wwwanfiltratorwater.cornhi ages/pdf/ n i ManualsGuidealrANKQI.ptlftfor theilat stlinformationo. i i i (,1 � (TYP CAL • I rI'aI i• ', • IJFTING S i U ; WorkmgCapacity ` 1o94,gai((4141L); meI { . i a__ .'• Total Capacity 128'?:gal'(4672 L)' • END VIEW Airspace. 16.5% i `Length' 127"(3226 mm) 0411011- -. 1 02418101ACCFSSOPENI 5wiTHIACIGNGl105(2l Width 62 "(1580 mm) IN TTEE: 102rSBOIFREEeoARD` ,°+a atmErTEEEE Length-to-Width Ratio 2.3 to 1 MET:. I"- --- - AIR. . _. w SPACE: . 'ouu.nr'..' Mel ht_9 54 "(1389 mm)' cope CODE. Liquid Level _44__11i8mm) '� " Invert Drop /� ABEk vital FtBERG(AfS p (76 mm), ST _ WITH BAFFLE Fiberglass Silpports; 2 : WRECompartments: : Tor'2.. — � _REQU.RDmaximumtariafDeptfi _4'. 8'(1219,mm) SIDE 4VIEW...... . Minimum Burial Depth; (152'mm)= maximum Pipe Diameter '(152mm) . 9 2 ( g) TAN OP CONTINUOUS W®I tSt Iba 145 k `.<. IF •, GASKET BAs ir JUL o g c �<v (.h I R1O � L ' SEAM CLIP MASON T COY ON s A`GN SRO MENTALTANKBOUOM 4 euairresS orkH_ Off` 6,h Y E.WAITS - , K,• 1t HALF P.O.18=7 LICEN ED DFjSIGNER omsayDroox,cr 75, � - - -" -- - --- - _1180 877 700D`,.Fax 30-5777001 i •.'W yr t} fl EIGHT Y`•7 mN 'MI SIGH r SEAM SECTION. INFILTRATOR• °" tieoazz1443s� -- .__.. water technologies www.Infiitratorsw teraom � U.S Petetda 4i7S9;BB1,S 017,041,8,1St1,488;5.3311,017;5,401,115;3,01,48;®5118315,T10,153i 3,5B,775;5,1338,844 Cenaaian, f tsi; ,328;838;2,1104 864 Ether patents pgnding rnINIralor,Equa&er, • nftitrator WaterT "atotes.Infiltrator fB a regls d trademark In Fmnco.Inrltra Wate Teehnotogtas lea registered'trademark in Meelco. Quck4;end SkteWirtder are registered tntdemarks of l Ceidour Mcm.c c►rin ,Poi/ruff,ChembaSpaner,MelUPoit,Poe'ock QuickCut Quiakpby,Sna and St(aightI.ockeret(ad of l rN1eterT®Chnolegln9. Polylok to a trademark of RolyLQk,Inc.TUF TITtae a regloteradtrad ;k of TUF_TITE INC.,Ultra. Ibta a trademark of IPE?f Inc. C2(11BlnfltratarVlleterTecbr'oogesLLC;°Mr9tdrase'ed Prnted) USd1 • • • • • 111 �� • Dbur mps V LITERS PER MINUTE 0 20 0 60 80 100 120 140 160 180 25 7 A cn 20 1�— g r„ o M N B r7 G7 5 a 15 � W � z 4? J t! EN$ED DrSIGN.ER i; �,PR.ty J5�77� 0 0 0 10 20 30 40 50 GALLONS PER MINUTE 250 Pl RI/17/2018 ®Copyright 2018 Liberty P mps Inc. All rights reserved. Specifications subject to change without notice. Pumps° Installation Notes Pretre ted Pressure.Distribution System: 22406-22-00180 41132 U S 101 1. The prepared site Ian is not a survey. It's the owner's responsibility to verify property lines, utility lines (w ter, sewer, power, phone and gas) prior to installation. 2. After clearing, insta ler and designer will meet on site to stake out drainield. 3. Install system duain dry weather with acceptable soil conditions 4. 500-1000 gallon tr sh tank if feasible 5. BNR 600 System 6. 1060 ifiltrator pump tank 7. Keep wheeled vehi les off the drainfield area before, during and after installation. Tracked equipment only, 8. All ground, surface ater and roof drains must be diverted away from the septic tanks and drainfield. Ens re the final grade slopes away from these areas and water doesn't collect on o around them. Use swales, berms, catch basin and tight lines, curtain drains, etc. t divert all waters. 9. Curtain drains can a no closer than 10' upgradient and 30' down gradient of the drainfield 10. Exposed restrictive ayers, cuts, banks, etc. can be no closer than 50' downhill from the drainfield. 11. Install access risers on the septic tanks, valve box and ends of laterals. 12. Make sure septic to k risers are epoxied or caulked to cast in riser rings on tank. 13. Lids must form a w ter and gas tight seal with the access risers 14. This system must b installed by a Mason County Certified installer or 15. Deviation from this esign without prior approval from the designer and Mason County Health Dep rtment will make this design null and void. 16. This design was siz d per Washington Administrative CodeWAC246-272A-0230. The operating capacity i based on 45 gallons per day per capita with two persons per bedroom. The mini um design flow per bedroom per day is the operating capacity of ninety gallons multi Tied by 1.33. This results in a minimum design flow of one hundred twenty gall ns per day. This creates a surge factor of 33% but anticipated flow is ninety gallon per bedroom per day. 17. Install bed or trench�s with contour of the ground 18. Install trench bottoms level and always maintain a minimum of six inches into native soil 19. Install locator tape o top of all drainfield laterals. 20. Install threaded clea outs at the ends of all laterals (caps must extend to within six inches of finish grad and be in a valve box as shown on diagram. 21. Install audio/visual a arm 22. Filter fabric requir d over drain rock prior to backfilling. If the, , `in= 'c�C extends above the riginal grade, run the filter fabric at least the own the trench wall. 23. A PROVE D t,/ . : 8 2026 I �NSED�r�sicN k MASON BOUNTY ENVIRONMENTAL HEALTH EXPIRES 05r,°' RET 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 t residential waste strength parameters. 9. Spread loads of laund through the week. 10. Do not use excessive leach or detergents with added whiteners. 11. Do not shower, do lau dry and dishwasher at the same time 12.Antibiotics can kill or i pair the biological process in the septic tank. 13. Leaky plumbing can h draulic overload your on-site septic system. o As Y: LICENSED D pSJGN�R APPROVED JUL 0 6 2026 MASON COUNTY ENVIRONMENTAL HEALTH RET