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HomeMy WebLinkAboutSWG2025-00450 - SWG Application / Design - 11/20/2025 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584 SHELTON:360-427-9670,EXT 400 kl; BELFAIR:360-275-4467,EXT 400 IV Public Health & Human Services ELMA:360-482-5269,EXT400 FAX:360-427-7787 On-Site Sewage System Permit: SWG2025-00450 APPLICANT LEAF KARIN J Phone: 360-490-7406 Address: 611 SE KAMILCHE POINT RD SHELTON, WA 98584 OWNER LEAF KARIN J Phone: 360-490-7406 Address: 611 SE KAMILCHE POINT RD SHELTON, WA 98584 SEPTIC DESIGNER CINDY WAITE* Phone: 360-701-0205 Address: 80 E PICKERING LANE SHELTON, WA 98584 Site Address: 151 SE lamret Rd Primary Parcel Number: 319015000903 Permit Description: New SFR 3-bedroom NuWater BNR500 ATU with trash tank and trench drainfield Permit Submitted Date: 11/20/2025 Permit Issued Date: 01/06/2026 Issued By: David Anderson Current Permit Fees Paid: $990.00 (additional fees may be required upon installation of system). Permit Expiration Date: 12/23/2028 (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 Drainfield 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/healthienvironmentalionsite/oss-inspection-request.php or call: 360-427-9670, extension 400. • I OFFICIAL USE ONLY • • "y MASON COUNTY DATE RECEIVED: II �2�f aoa5 w n • ` C C �' r,. AMOUNT RECEI ED: RECEIVED BY: �. ' Public Health 8Z Human Services g j -beotvofF de?1ed v N Environmental Health 360-427-9670,ext.400 or 360-275-4467,ext.400 , 415 N.6th Street-Shelton,WA 98584 S W G ),i co�' O 0 2 • �J Y Z U) ON-SITE SEWAGE.SYSTEM APPLICATION „,APPLICANT PHONE Ill KARIN LEAF 360-490-7406 c MAILING ADDRESS-STREET,CITY,STATE,ZIP CODE E 611 SE KAMILCHE PT ROAR \ SHELTON WA 98584 t SITE ADD SS-STREET,CITY,ZIP CODE �R� 15X E IAMRET RD \�,. •,\P SHELTON WA 98584 1O3 NAME OF DESIGNER / PHONE CINDY WAITE SNO �` \� • 360-701-0205 I NAME OF INSTALLER I PHONE 0 I co TBD o PERMIT TYPE(select one) A DRINKING r, WATER SOURCE o RESIDENTIAL OSS IJCOMMUNITY OSS - '•MMERCIAL OSS Mi PRIVATE INDIVIDUAL WELL ffi PRIVATE TWO-PARTY WELL Z I TYPE OF WORK(select one) ���.Il`` PUBLIC WATER SYSTEM xv11NEW CONSTRUCTION/UPGRADES REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) 0 TABLE X REPAIR I SUBMITTALS ��; El SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE L.iDESIGN FORM(REQUIRED) 4M1ISEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE WAS LOT CREATED AFTER 4/1/2025, O I L-1; I WAIVER(S)(IF APPLICABLE) 3 1.25 AC ❑ ❑ NO YES � I C) DIRECTIONS TO SITE AND SITE CONDITIONS:(ex.locked gate) - GO SOUTH ON OLYMPIC HIGHWAY, TURN LEFT ONTO COLE ROAD, TURN LEFT ONTO I o LYNCH ROAD, TURN LEFT ONTO IAMRET. SECONDAA PARCEL ON THE RIGHT SIDE r I (r)OF THE IAMRET, DRIVEWAY ON THE RIGHT GOING INTO PROPERTY. PRIMARY - SYSTEM IS ON THE RIGHT SIDE OF DRIVEWAY AS YOU ENTER THE PROPERTY AND I,o THE RESERVE IS ON THE LEFT . SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. ' I W OFFICIAL USE ONLY BELOWTHIS LINE UPGRADE/FAILURE SOURCE(for reporting purposes) 0 VOLUNTARY 0 MAINTENANCE/PUMPING 0 BUILDING PERMIT ❑HOME SALE ❑COMPLAINT ❑OTHER: INSPECTOR SOIL LOGS , *�` ,� .O �7S` COMMENTS/CONDITIONS * lin:04"7,1V6 fact (TY1� `) . s .o f- .. _ t CL , 6l X vi. IRV0-tit 4 • Rai a4 11:1 tH wu r � (tl 6 ,a-fit`• ESL cif- etf Z6 wce{cir hi t.ok v.v fpl 10ti o—i'V' 6,5c . �V`J 0/1-1 t'vut r 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. INSPECT GNATURE Tim APPLICATION EXPIRATION DATE APP TI APPROVED/ISSUED BY DATE /?ft/Par I 2 l Z3/ZO z (/WP?St IS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025 till MIS t et jam_ { DESIGN FORM—PAGE ONE Assessor's Parcel Number: 3 1 9 0 11 5 01 0 0 9 01 31 A design will be reviewed when 3 copies of each of the following are submitted: 0 Completed design form that has beet signed and dated. 'I Scaled layout sketch,including all applicable items on checklist. 'd Scaled plot plan,including all appli able items on checklist. ''Cross-section sketch,including all applicable items on checklist. This form may be scanned a d available for public view on the Mason County Web site.Maximum paper size: 11"X 17" P'ARCPL IDENTIFICATION :- _ .. ., _ Permit Number: SWG a S_ O tj Designer's Name: CINDY WAITE Applicant's Name: KARIN LEAF Designer's Phone Number: 360-701-0205 Mailing Address: 611 SE KAMI CHE PT ROAD 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 DESIGNS PARAMETERS Treatment Device ❑Glendon O Sand Filter O Mound O Sand Lined Drainfield O Recirculating Filter IiATU BNR500 O Other Treatment Level(check all that apply): O A 11B 0 C O BLI O BL2 IBL3 ❑E O N Drainfield Type ❑Gravity Q'Pressure li 'Trench O Bed O Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class ,. SCHEDULE 40 Daily Flow:Operating Capacity 27O ( gpd Length ' 11 50 ft Daily Flow:Design Flow 36O - 11 gpd Diameter . , . . 4 1.25 in �' Septic Tank Capacity(working) 1 F 00 trash,BNR 500 gal Numbers v �' '1. 4 Receiving Soil Type(1-6) 4 — Aa"'�"16 .YP Separatiol ., r "'l�' 1 . 5 ft Receiving Soil Appl.Rate , 6 — gpd/ft2 ' . w t .t a ` ices < Required Primary Area 6OO r ft2 Total.„a I,E., %.t1 : 40 Designed Primary Area 6OO •+ SIGNE`' ; •-1 ft2 Di f� I 3/16 in Designed Reserve Area 600 _ ft2 Spacin x'11 '5 0/ 60 in 0 Trench/Bed Width 3 ft rz=•• anifold Trench/Bed Length 200 - ft Sched laaas n+ 'N SCHEDULE 40 Elevation Measurements Lengt ID W 2-3 ft Original Drainfield Area Slope 1 0 g /o Diam-t 2 in New Slope,If Altered I % Prefe Feonf, .tion used? C'Yes ❑No Depth of Excavation Up-slope I 9 in / ' Transport Pipe from Original Grade Down-slope 9 in/ Schedule/Class SCHEDULE 40 Designed Vertical Separation 12 in' Length 50 ft Gravel-based Drainfield Required? Yes O No j Diameter 2 in Pump Required? Yes O No Dosing and Pump Chamber `\�) Pump/Siphon Speci 'cations Number of doses/day 6 i ` Diff.in Elevation Between Pump&Up ermost Orifice 8 _fY Dose quantity 45 al g Drainfield Squirt Height/Selected Resi ual(head) 2 ft' Chamber Capacity(flood) 1455 r gal Uppermost Orifice liIHigher O Lower than Pump Shutoff Pump controls:Please check those required. Capacity @ Total Pressure Head _ 23.6 gpm / ef Timer 1I Elapse Meter GI( Event Counter Calculated Total Pressure Head _ 10.49 ft If Timer: Pump on ,Pump off, Comments kDESIGNER TO BE CONTACTED PRIOR TO START OF INSTALLATION, CONCRETE TANKSEQUIRED, " GRAVEL BASE DRAINFIELD REQUIRED, PUMP CONTROLS TO BE SET AT TIME INSTALL AT\270 GPD. Revised:6/11/2025 DESIGN FOR —PAGE T iO Assessor's Parcel Number: 3 1 9 0 1 5 0 0 0 9 0 3 Permit Number: SWG - r. } DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch 29. Test hole locations l f Drainfield orientation and layout Reference depth from original grade: Jb Soil logs gr Trench/bed dimensions and Ef Septic tank t!l. Property lines critical distances within layout 8 Drainfield cover af Existing and proposed well gl D-Box/Valve box locations Reference depth from original grade within 100 ft of property It. Septic tank/pump chamber and restrictive strata: , i Measurements to cuts,ban ,and locations p 11- mkt) poet-7El Laterals,trench bed,top and surface water and critical ar as la Observation port location bottom JigiJ Location and orientation of fg Clean-out location Curtain drain collector curtain drain and all absorpt on Et Manifold placement 1411-'Sand augmentation components 0 l u. Ei Orifice placement raq a `f Other cross-section detail: !gi Location and dimension of 21 Lateral placement with distance Observation ports/clean-outs primary system and reserve rea Buildings a,l w oce l to edge of bed Other Information cf Audible/vis al alarm referenced Yes No Isla Direction of slope indicator Pa a p!o/ 'J I� Scale of drawing shown on scale la O Design staked out ® Waterlines bar 0 0 Recorded Notices attached ® Roads,easements,driveways, 5 Elevation benchmark and relative O 0 Waiver(s)attached parking elevations of system components t$ 0 Pump curve attached El North arrow and scale drawing 0 0 Evaluation of failure shown on scale bar Non-residential justification ❑ O Waste strength ❑ ❑Flow i - DESIGN APPROVAL The undersigned designer must ble notified by installer at time of installation illYes 0 No gy-i2v2_0--- ignature of Designer Date (��`J'' The undersigned has reviewed th s design on behalf of Mason County Public Heitl,and determined•i`t t.Obe in compliance with state and local o -s' ulations: '00 4, ! /' 67' v/, ,( 076. 4//)... ,- E ronmental Health Specialist Date <1,,,_ri��L �'J ,� CAUTION: DESIGN APPR VAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Appr ved"by Mason County Public Health. l ) `fir;% ✓ The Onsite'Sewage Permit h s not expired,the Permit Expiration Date is: ` t�G3 ZO Z y • Drainfield site conditions ha not been altered to adversely affect conditions of design approval. Please Note: The s stem 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 Vn t£6 SE Iamret Rd, Shelton, WA 985847 USA, Shelton Township, Parcel Id: 319015000903,. I - - r,-__-__--- - --a--� Foundation 1 100.00 98.00 �{- f�l co . BNR 500 - 97.50 -L ta Bottom of gravel 4 119 y S`L I Pump Tank 5 _ 97.00 ^ 1 1. s Ns s %P``"— ' g@: (7-17ret, ' A ar c p .a ® ` 5 QQ(�a? �. '0 �•✓ r it ,• CE N ITE �,�i" (� ��® .. SL a ,. ; LICENS��DESIGNER -, ,wti es " /J �C1CI S b I �g �� 1\- EXPIRLS 05:10! • /y IV I ' 1 Pal -e .yeI Ines Buffer 5 ft 3�(� P �u.� j SL 1 e 3 ' f J e v Z�PI.p 0- . 3 o 1 a J 1611.0 1 _ �r.aN —Caev eK- — __ i___ 1 _------__ 1 I PROPOSED ADU i 2 PROPOSED RESIDENCE '�® Ve'�°y, 3 1000 GALLON TRASH TANK ` ` 1 4 BNR 500 I I — • 1 , - _- 5 PRIMARY DRAINFIELD �s' 6 Reserve drainfield �s 130.0 7 PROPOSED WELL SITE I /,;>, �6' ° 8 WATER LINE GIs Legend p l%o, ,` ° 9 NEIGHBORS WELL ?O `.: %. : ;. . ,:=P' 10 TRANSPORT LINE WA Mason 10 ft Contours -_--- ��3; :; __ v LU 11 CLEAN OUT (2) L-----____° ------------- -- 12 AUDIONI -- --4----- --e--�`�� SUAL ALARM • 1''° 13 1200 GALLON PUMP TANK Scale => 1 in : 50 ORIFICE SPACING 5 Lateral# Length Lengt Orifice # Distance from Distance from end Length# # (Feet) (Inche ) Spacing" Orifices feeder line of end of lateral 1 50 500 60 10 2.5 2.5 50 2 50 500 60 10 2.5 2.5 50 3 50 400 60 10 2.5 2.5 50 4 50 000 60 10 2.5 2.5 50 TT 1 200 40 195 TRANS LENGTH i 50 GPM I I ;;2131:O K (2"SCHEDULEN 40) _ _ 284.5'. FRICTION LOSS ! 04998_+0.l" Squirt 2 Elevation difference 20 I TDH 22.49981 to f, K .,., O A. , LICENSED DESIGNER t v•tliES u5 f0• TRENCH CROSS SECTION - - ' GN U 41,,,0 t° r PyQ r'l Vll `3 `o'er /Vv S'CapP 'Zy/ DRAINFIELD L YOUT cz).1- L\ al rt/, ,,,,z. & I fri €5 ,A i it, .. 1.-3) �'�� 4 _ 1 tie „..... L 3-O, I' 0. SL( a — iv, ce- Xs s �• . `� i a -•i-t ee_ fie'f.- ..e�;' 1( ' �S- o'ftsy 9.." . ` s1 p=' CINDY; IN�11IT . ,• Id p• • LICENSE I DES�ONE' r ' ',',LS U510, 1-L 3 0- 2-4, " 5'i./. r4. y 6 - 2'1 re X1=CLEANOUT/OBS PORT td f uP P.I. v6"44-1. X2=D BOX/VALVE BOX() ) ../..-,4 P,r,? t^-)2-4-47!//7 X3=Check Valves (y ix) ✓a i (pp' 494, 1 X4=Flow Control Valves c -r „J /,aim a.,.) X5=Soil Logs /\ S R/`,�n d" 11 5.a�5 '':� II r,,, SON C (�(�fll%i� 'il :I:IL 77: al r Pct.- . • E;V640;1 . Drainfie d Control Box (Sloping Ground, Manifold Below Laterals RISER WITH LOCKING UD ORAINFlELO PR SSURELATERALS A A if 1 f il _ FLOWCONIROLVALVE `fir• SLOTSAS REQUIRED n -11 FLAPCHE K ��\/���I- fj\\ /%'� VALVE `\����I- �� LONG SWEEP 90 /�h d �. O O `/� OEGRI:EELBOWEEPY \� ' „(6 D go O OQti o . WASHED ROCK /SECTIO -/A DRAIN SUMP iT TRANSPORTPIPE FROM e�,44` PUMP CHAMBER • x.44 o *sy;,-'4.. - el Vir _ .1 SI I , • , .,,i,.L.t 05,10/ CA ° •V-1-1 A174 0413.1X0 ;( .1 \kk:.::./ ), 1NQ 1;11.4117g.': • ICENSED DESIGNp:: EXPIRES Oil°, THREADED CAP OR PLUG 6"PVC LAST ORIFICE;WITH ORIFICE SHIELDS IF • ORIFICE ORIENTATION IS BACKFILL `I' UPWARD MATERIAL �\•-�� \ .- _I. �°o o°o I\ \ � \\ /� O oa RESSURE LATERAL PVC N \\140(20 C° 105008 °°°o2 ° AS SP HOSE OR o 0O 00o SPECIFIED LONG SWEEP \% , o opoo ELBOW � / \� / \\ / DRAIN ROCK;6"MIN. ���� c\\, BELOW PIPE UNDISTURBED S IL 6"PVC WITH DRAIN HOLES; EXTEND TO BOTTOM OF GRAVEL TO MONITOR PONDING INFILTRATIVE SURFACE lMONITOI3INGICLEANOUT PORT 1�3" 1.1 '(EXAMPLE) n ��A I4j05 't/ ' P 1) /4 u`lCF 7241 far, ��,�f 2i24 xe4 & I: Java 9i ed. • FINISHED GRADE 24"RISERS WITH BOLT ON LIDS C.EANOUT 'C 12'Mal. T I I Ft‘ i if - n_ 1 ,„„_,,,,,„"egivaw.„„H! a I —\---BAFFLE CLARIFIED ZONE EFFLUENT FILTER //f/%f///e,L . // // , Aili • �Z�, l -.z.:- ii! 7 51Q9418' ' 101; 1. �/ CINDY E.WAITE` ' P/G'�C, /'; LICENSED DESIGNER t C^ // ?� /f ��l�j C• J EXPIRES'05f101 /j�4 O,/`f'>i / fr-2" y WATERTIGHT -\ LID VENT(typ) DUAL PORT AERATOR RISERS(TYP) T 36"MAX.1 1"PVC(TYP) 0 \ • I 16 _ i xl �� NRLINE MASTIC S 1 \ is:_l 2`COUPLING 8 REDUCER 6` . 2"TEE \ 12° 1°PVC SLUDGE RETURN LINE 2"PVC TRASH CHAMBER DIGESTER CHAMBER CLARIFIER OPERATING CAPACITY 417 GALLONS OPERATING CAPACITY:421 GALLONS CHAMBER FLOOD CAPACITY:4)0 GALLONS FLOOD CAPACITY:494 GALLONS 160 GALLONS 65" Sr r \ FLOOD:191 GAL. 54` \` so" / 53" 36' °o ° ° t--- ° e 1"X112' e ° TEE o e o • "on. •'O DIFFUSER BARS(2) '1 12' l 7 PARALEL TO TANK WALL 4` I ./" \ f IL \ \ .—___ �c . SLUDGE RETURN i^• Ci-,Iy= .. df //// a 1.6"TAPER �:..", l 1 _1,4 '• Q, STONE-F E NATIVE SOIL (!' f a eo • ,'$ . OR C CTED SAND ,� '� �� I INSTALLATION INSTRUCTIO S 1 , Q y � Y SOIL %- -� ?• 1)Excavate tank hole with vertical walls to 1 foot larger than Mfr�•• 11�',7"-,, %,91/ tank on all sides. i � 1 ti�N .. 2)If bottom of hole is stony,install 3"of c o pact sand&level � 'f • 51Q--`'-i 8. �.L,� 9'.2" Y F%': out with screed. �'p rinlnv F wairE•. .FA 3)Install tank in center of hole,keeping 1 .void space on I ��� � '�, —— '':i WI sides. riRES 05,1 , 24' 1 > 24.BLOWER 4)As tank is filling with water,fill in void sp ce with compact 0USING CAS granular(sandy)soil free of large clumps o clay. N TOP of u 5)Install rest of system,&affix risers to ad pters with waterproof adhesive. ■ ] 4•-8" 6)Perform watertightness test In field asIrequired by local jurisdiction. J 7)Upon approval to backfill,carefully backfill with native — 1z°RISER I I soils over top of tank. TRASH CHAMBER DIGESTER i I CLARIFIER 8)Final grade the surface to avoid chanelling surface L J L J L__J water toward tank. �' TOP VIEW \C .V3 1`=2.8ft ,. -• AEROBIC TREATMENT TANK DETAIL FOR ,;i` ; NuWA TER BNR-500 TREATMENT UNIT I r 111`r P. ENVIRO-FLO, INC. REVISED: �/O�/� Wastewater Treatment Technologies h •"`"'�°"`�>n�°- - O.BOX 321161,Flowood,MS 39232 (877)836-8476 (601)845-4716 fax SCALE 1" = 1.4 ft www.enviro-flo.net • • emu D WITH GAS flo REAL THREADED UNION ?A"D"AOIRISE .gYAC�EQB RISER FINISH . t/ SERVICE VALVE* FROM SEPTIC ■ I;!, TANK ► TO DRAINFIELD � I � ENEROENOY®TORAOE HIGH WATER ALARM LEVEL _ - ANTI SIPHON VALVE* WORKING VOLUME INDEPENDENT FLOAT NORMAL TRIER OFF LEVEL -- F STEM LOAT ENCLOSED PUMP - ' FOR FLOAT SEDIMENT SHROUD* � MOUNTING CHECK VALVE* SEDIMENTS ►earl : SUBMERSIBLE CENTRIFUGAL MUMMER CNA_ Illa A PUMP, _ I " trda *AS NEEDED 12iV ( OL/!/d / gn'yP s `'°v.+� • ,s:-tiAt."4 . 7 , , c. .42. : ,,-71 A.... ,i, ':,: �'!. • ;,, 'O CIN WAITE �,` ' \\13 �, LICENS D DESIGNER.T ' , y%. .. . i . ; ,. iih ..,„,rui er UlflpsIn Pump Specifications 280 Series 1 /2 hp Submersible Effluent Pump LITERS PER MINUTE 0 50 100 150 200 250 40 - I I 12 - 10 ,Ia •1`.. ,w. 09 30 .41'���Q A��'. I OP vo.sH, 9J' m. �- 51QA4,18 • I a. DY E.WAI E I; •Nii ,-�6 l• ;,�. .,.-: LID SfD DESI NER •v��""".111 4A t i w k'��\ w \lam s'_:. l,. tik .. . U 1,.>4 U. LXt ES 05:70 �il.y c a 20 6 O J = ,_ et ,, p _a - 4 G `• G' . � , \\ 10 _ — 2 y ' %,� 11O 0 0 0 IC 20 30 40 50 60 70 GALLONS PER MINUTE 280_Pl 8010/7/2015 ©Copyright 2015 Liberty Pumps Inc. All rights reserved. Specifications subject to change without notice. MO Installation Notes Pr treated Pressure Distribution System: 31901-50-00903 156 SE lamret Rd 1. The prepared site plan is not a survey. It's the owner's responsibility to verify property lines, utility line (water, sewer, power, phone and gas) prior to installation. 2. This is a one b droom on-site system. The original was for one bedroom, this is a replacement. ��r 3. Install system uring dry weather with acceptable soil conditions 4{ )", 4. The tanks may e moved as necessary to accommodate building requirements ,Septic tank location m st meet all required setbacks. ( , 5. BNR 500 must be installed in concrete tank ���o `-, ',/ 6. Trash and pu p tank must be concrete ,��l Y ! � ' ^ `'• 7. Gravel based rainfield required �D',, '%-'; 8. Keep wheeled ehicles off the drainfield area before, during and after installation. Tracked equip ent only, 9. All ground, surf ce water and roof drains must be diverted away from the septic tanks;;;, and drainfield. nsure the final grade slopes away from these areas and water doesn't' collect on or ar and them. Use swales, berms, catch basin and tight lines, curtain drains, etc. to di ert all waters. 10. Curtain drains c n be no closer than 10' upgradient and 30' down gradient of the drainfield 11. Exposed restri ive layers, cuts, banks, etc. can be no closer than 50' downhill from the drainfield. 12. Install access ri ers on the septic tanks, valve box and ends of laterals. 13. Make sure septi tank risers are epoxied or caulked to cast in riser rings on tank. 14. Lids must form, water and gas tight seal with the access risers 15. This system mu t be installed by a Mason County Certified installer or 16. Deviation from,t is design without prior approval from the designer and Mason County Health Departm nt will make this design null and void. 17. 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 mLltiplied by 1.33. This results in a minimum design flow of one hundred twenty gallons p r day. This creates a surge factor of 33% but anticipated flow is ninety gallons p r bedroom per day. 18. Install bed with ntour of the ground 19. Install trench bo oms level and always maintain a minimum of six inches in 1? native . soil 20. Install locator to e on top of all drainfield laterals. fit: 21. Install threaded lean outs at the ends of all laterals (caps must exten , ith c`x inches of finish g ade and be in a valve box as shown on diagram. •� ` ,VAS'et .,. 22. Install audio/visu I alarm • I 4 4(1' " .$r,. 23. Filter fabric requi ed over drain rock prior to backfilling. If the dr='��4ock e'� Isis a r Y: the original grad run the filter fabric at least 2 inches down t ' wiai ' ... LICENSED DES1. \I A° EXi AS'05/10/ Ib vJ{� i System Owner Responsibilities: 1. Operation and M intenance is required by Washington State Department of Health and Mason County H alth Department. 2. The septic tank a d pump tank should be pumped every three to five years or as needed. 3. System owners a e responsible for having maintenance performed annually. 4. System owners a e responsible for responding to septic issues in a timely manner. 5. System owners S all not at any time change or alter settings in the control box. 6. System owner a rees to read and abide by information regarding their system in the User Manual provided by Mason County Public Health. 7. Keep the flow of lewage at or below the approved design operating capacity. 8. Keep waste stren th at residential waste strength parameters. 9. Spread loads of'I undry through the week. 10. Do not use exces ive bleach or detergents with added whiteners. 11. Do not shower, d laundry and dishwasher at the same time 12. Antibiotics can kill or impair the biological process in the septic tank. 13. Leaky plumbing c n hydraulic overload your on-site septic system. • • -afI ae f CiW• .WAITE'{LICENSED DESIGNEkR EXPIRES 05/101 \6: \ 3