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HomeMy WebLinkAboutSWG2025-00333 - SWG As-Built - 8/21/2025 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584 SHELTON:360-427-9670,EXT 400 L 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: SWG2025-00333 ( Ov r 1 APPLICANT CLS HARSTINE LLC Phone: Address: 2540 WEDGEWOOD CT SE OLYMPIA, WA 98501 OWNER CLS HARSTINE LLC Phone: Address: 2540 WEDGEWOOD CT SE OLYMPIA, WA 98501 SEPTIC DESIGNER CINDY WAITE* Phone: 360-701-0205 Address: 80 E PICKERING LANE SHELTON, WA 98584 SEPTIC INSTALLER B-LINE CONSTRUCTION Phone: 1.360.489.9169 Address: 2971 E PHILLIPS LAKE LOOP RD SHELTON, WA 98584 Site Address: XXX E Plantation Way Primary Parcel Number: 120182190012 Permit Description: New 2bd ATU to pressure trench Permit Submitted Date: 08/21/2025 Permit Issued Date: 11/20/2025 Issued By: Rhonda Thompson Current Permit Fees Paid: $990.00 (additional fees may be required upon installation of system). Permit Expiration Date: 09/10/2028 (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 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. OFFICIAL USE ONLY MASON COUNTY DATE RECEIVED: O +�ZL 1 _ Q/L 0�� / to D gig � c cn AMOUNT RECEIV�Q: RECEIVED BY: CO m Public Health & Human Services nN( o < cn Environmental Health 360-427-9670,ext.400 or 360-275-4467,ext.400 S W G �a5 - 00333 O 2 415 N.6th Street-Shelton,lton,WA 98584 5 Z Cl) zON-SITE SEWAGE SYSTEM APPLICATION m C) APPLICANT PHONE m CLS HARSTINE CIO B-LINE © 360-426-4221 z MAILING ADDRESS-STREET.CITY STATE,ZIP CODE r-17 3 2540 WEDGEWOOD CT SE N _ OLYPIA WA 98501 co XXX XI SITE ADDRESS PLANTATION WAY Iti N SHELTON WA 98584 I NAME OF DESIGNER PHONE I N CINDY WAITE Q 360-701-0205 NAME OF INSTALLER f V ! —1 PHONE I 0 B-LINE CONSRUCTION J C° 360-426-4221 o PERMIT TYPE(select one) DRINKING WATER SOURCE O Mr RESIDENTIAL OSS COMMUNITY OSS fI COMMERCIAL OSS Lt0 PRIVATE INDIVIDUAL WELL b-PRIVATE TWO-PARTY WELL Z I CO TYPE OF WORK(select one) Q PUBLIC WATER SYSTEM , la NEW CONSTRUCTION/UPGRADES 6 REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) 0 TABLE X REPAIR I N SUBMITTALS 0 SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE COI rDESIGN FORM(REQUIRED) N I SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE WAS LOT CREATED AFTER 4/12025f) 1-2 19.95 .j ❑ YES p NO o 1 6WAIVER(S)(IF APPLICABLE) X I CO DIRECTIONS TO SITE AND SITE CONDITIONS (ex locked gate) GO OVER HARSTINE BRIDGE, TURN RIGHT AT TEE, TURN RIGHT AT NEXT TEE, I o TURN LEFT ONTO ISLAND SHORES RD, TURN LEFT ONTO PLANTATION WAY, r I D FOLLOW TO THE END, PARCEL IS ON THE RIGHT SIDE OF HE ROAD. DO NOT o TURN TO THE LEFT TOWARS THE STATE PARK. v4. 1) - THE g etc44,4145141 vi e.. I SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I N OFFICIAL USE ONLY BELOW THIS LINE UPGRADE/FAILURE SOURCE(for reporting purposes) 0 VOLUNTARY 0 MAINTENANCE/PUMPING 0 BUILDING PERMIT ['HOME SALE ['COMPLAINT 0 OTHER. INSPECTOR SOIL LOGS COMMENTS/CONDITIONS \ l _' 0 ` 7/`di 1--01 C L 1\190k. c j+-`(- (6 �� V4(z7 -fr ��--LIA° O�Vie- 1 -�� : S . RECORD DRAWNG 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. INSPECTOR SIGNATURE DATE APPLICATION EXPIRATION DATE APPLICATION APPROVED/ISSUED BY DATE CA CA1lD `Pv ithi-Ok � THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025 DESIGN FORM—PAGE ONE Assessor's Parcel Number: 1 1121 0 ! 118121 1 910 0 ! 1121 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 may be scanned and available for public view on the Mason County Web site. Maximum paper size: 11"X 17" PARCEL IDENTIFICATION Permit Number: SWG Z p _ pc/ ;.7,? Designer's Name: CINDY WAITE Applicant's Name: CLS HARSTINE C/O B-LINE Designer's Phone Number: 360-701-0205 Mailing Address: 2540 WEDGEWOOD CT SE Designer's Address: 80 E PICKERING LANE OLYMPIA WA 98584 City State Zip SHELTON WA 98584 City State Zip Designer's Email cindyewaite@msn.com DESIGN PARAMETERS Treatment Device ❑ Glendon 0 Sand Filter CI mound 0 Sand Lined Drainfield 0 Recirculating Filter 0 ATU BNR 500 0 Other Treatment Level(check all that apply): 0 A lB 0 C 0 BLI frc BL2 ❑BL3 ❑E 0 N Drainfield Type 0 Gravity GiPressure Id Trench 0 Bed 0 Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 2 Schedule/Class SCHEDULE 40 Daily Flow:Operating Capacity 180 gpd Length 50 ft Daily Flow: Design Flow 240 gpd Diameter 1.25 in Septic Tank Capacity(working) 1000 TRASH,BNR 500 gal Number 4 Receiving Soil Type(1-6) 5 Separation 9 ft Receiving Soil Appl.Rate .4 gpd/ft2 Orifices t Required Primary Area 600 ft2 Total Number of Orifices 40 Designed Primary Area 600 ft2 Diameter 3/16 in Designed Reserve Area 600 ft2 Spacing 60 in Trench/Bed Width 3 ft Manifold Trench/Bed Length 200 ft Schedul as SCHEDULE 40 Elevation Measu ments Lengt .4,- la, 1-2 ft Original Drainfield Area Slope 5 % Dia .tea of A 9�3 2 in l New Slope,If Altered % P e n d l ur ion used? 'Yes 0 No Depth of Excavation Up-slope 12 in 4,i 4. ransport Pipe AL from Original Grade Down-slope 10 in lhL� 41 qq SCHEDULE 40 SER Designed Vertical Separation 12 in 120 ft XPIRLs 05,10, Gravel-based Drainfield Required? Yes 0 No Diameter 2 in Pump Required? Yes 0 No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 4 Diff. in Elevation Between Pump&Uppermost Orifice 18 ft Dose quantity 45 gal Drainfield Squirt Height/Selected Resicual(head) 2 ft Chamber Capacity(flood) 1200 gal \ ., Uppermost Orifice Pif Higher 0 Lowerlthan Pump Shutoff Pump controls: Please check those required. Capacity @ Total Pressure Head ` 23.6 gpm gf Timer Et Elapse Meter lig Event Counter Calculated Total Pressure Head 21.19 ft If Timer: Pump on ,Pump off Comments TAKE EXTREME CARE WHEN CLEARING, DESIGNER AND INSTALLER WILL MEEION SITE TO STAKE OUT DRAINFIELD AFTER CLEARING, PUMP CONTROLS TO BE SET AT TIME OF INSTALL Revised: 6/11/2025 DESIGN FORM-PAGE TWO Assessor's Parcel Number:. 1 2 I 0 1 i 8 2 11 9 010 1 21 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: 1' Soil logs peal 4 S Trench/bed dimensions and f Septic tank V Property lines critical distances within layout ' Drainfield cover 1' Existing and proposed wells 17( D-Box/Valve box locations Reference depth from original grade within 100 ft of property ' Septic tank/pump chamber and restrictive strata: VI Measurements to cuts, banks,and locations pro/ rnr.-Y Qf Laterals,trench/bed,top and surface water and critical areas Observation port location bottom AQFocation and orientation of IX Clean-out location 0 Curtain drain collector curtain drain and all absorption ( Manifold placement 0 Sand augmentation components Orifice placement Other cross-section detail: Location and dimension of Lateral placement with distance 13'Observation ports/clean-outs primary system and reserve area to edge of bed Other Information {if Buildings 17( Audible/visual alarm referenced Yes No Direction of slope indicator Qf Scale of drawing shown on scale 0 Design staked out {f Waterlines bar 0 0 Recorded Notices attached 1' Roads, easements,driveways, Pr Elevation benchmark and relative 0 0 Waiver(s)attached parking elevations of system components 0 Pump curve attached North arrow and scale drawing 0 0 Evaluation of failure shown on scale bar Non-residential justification ❑ 0 Waste strength ❑ ❑ Flow DESIGN APPROVAL The undersigned designer must be n ' ed by in aller at time of installation 0 Yes 0 No attP f 1� 2 0-2-Y Stgnatur 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: tf6t-sim,49 (•1-0 Environmental Health Specialist Date CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Aproved"by Mason County Public Health. I I V The Onsite Sewage Permit leas not expired,the Permit Expiration Date is: l (O,'7v 9) _ ✓ Drainfield site conditions h4ve not been altered to adversely affect conditions of design approval. Please Note: The system must be installed by a certified installer, 3 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 MT 0 18' c• — a• az131NZ o o D 0 �o (no) cD ,moo co a APPROVED a1iIfHsII• toN0V202025 HCD 0 o !r o 'SON COUNTY ENVIRONMENTAL HEAL o TH ,� -RED A- 11) . co '�o 0'09% Pr O 0 140.0 - - 3 N' 140.0 ._ N CO 0 en,\ ♦ Ate` o0 O� I n ' 6. of AI. ♦ O — OO� G C I I. 1-i iffPJ ko Tr4# 03 a- a- --i -n co -1 frpa 12 .o 110 ' , ° a = m 0 • i0 0 c c i aJ� if -0 -O D- 7C w ° -" Ik a N N E h.:. • s.?.) = = n - = r I ..: O ,.< —1 A r . ._'• a j N . r • �. A.441 C* %II' ) T 4 8 ,it V so .r- C r �� LICEN1D •bIGNEfi w �f<� �" ..__y_. o �� Z.itotoCEN �c.�� rs�rwi• �L'G o'a� f" di t.xrik{, . •t t o•oY N r f+`i J Q.0Z - Q `• ��� _ Q•0% - IV : ., - o-ot 3\\5 .- o •.. - 609 ci Q� N • nQ - . ORIFICE SPACING 5 Lateral# Length Length Orifice # Distance from Distance from end Length# # (Feet) (Inches) Spacing " Orifices feeder line 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 6 7 1 8 9 i . 200 t 40 200 TRANS LENGTH .20 GPM 23.6 K (2"SCHEDULEN 40) 284.5 FRICTION LOSS 1.1995442 Squirt 2 Elevation difference 18 TDH 21.19944 APPROVED NOV 20 2025 ��� k'4SON COUNTY ENVIRONMENTAL HEALTH ,, ��,, " 4rFNns RET �� . . „ TRENCH CROSS SECTION _,A._ 5' •�., \ . LICE . .+ ESIGNER �""•...LS uS.•o. i I,, 1 Al v sco le 12 ,. Ueif i•ca, 1Z „ OkeeAl\L 11 aill DRAINFIELD LAYOUT dtivls 61 rt2_ 4731 P--- 9 1"-/ 0 / '6- S �-.2 V- F I ''J.." \L9 . 1'/LG....... .-..—...—...-.- ---- 5 q e--. 1 70 ;17- `i - f f - .5-0 st .... ..„____________i 0 ...... z 1 .1: ,(i). Id " Zv- 3v' . 1 / U, i� o 7NAs,y� q‘ 1.:7-4 .k . ( 6" 1 418 ,- . X1=CLEANOUT/OBS PORT. H ) T,.,r . - v w 4 s "s o s led P u f Lrt'iklS US t0 X2=D BOXNALVE BOX /�� X3=Check Valves it I71. N v4 id e i3a X4=Flow Control Valves ''� X5 Soil Logs e41 T 1/44 f✓e (',,-0 APPROVED .'L i N O V 20 2025 2y r'• L MASON COUNTY ENVIRONMENTAL HEALTH C2_ 2 G - 2/ T, L RET 5-4. 3 0 - 3a` nL 0-e, � r''' / /orr <\\5 4 . Drainfield Control Box (Sloping Ground, Manifold Below Laterals) RISER WITH LOCKING UD TO DRAINF1ELD PRESSURE LATERALS A ii A "Lk Fr In 1 !:�J 14/ FLOW CONTROL VALVE en !It me i SLOTS AS REQUIRED I.' 111 - iiii - FLAP CHECK ` /� c \/�`\/, '/ / 0 0 .70 >. LONG SVYEEP 50 •• • 1• ws •• ' DEGREE ELBOW : //\WW.' 91i1.•Sk•. .107 .}v.• • 8 \//\ Y/ \„,..//\//,//,//,.//\\; WASHED ROCK DRAIN SUMP TRANSPORTPWEFROM PUMP SECTION A-A APPROVE ® e 1, ,/ NOV 20 2025 "'.�." 2� MASON COUNTY ENVIRONMENTAL HEALTH y� s,Q;141�1 ,. RET O# LICENSED DESIGNER • LAI ins u5110/ Cob3 • THREADED CAP OR PLUG P t+ Il t� 6"PVC LAST ORIFICE;WITH ORIFICE SHIELDS IF ORIFICE ORIENTATION IS BACKFILL y UPWARD MATERIAL �` \` \`\\II/ <\� \o \ \ \\ • \\\!\10000o O°cfoO00 PRESSURE LATERAL PVC HOSE OR /\\o°o o" 00��o Of., AS SPECIFIED LONG SWEEP \\/ moo / 00 0 0 ELBOW ' �\2\\\� %\\ DRAIN ROCK;8"MIN. /\\\.\ \�/, - BELOW PIPE UNDIST BED SOIL 6"PVC WITH DRAIN HOLES; EXTEND TO ��Q �9 BOTTOM OF GRAVEL TO "P Fx�eSM MONITOR PONDING s — INFILTRATIVE SURFACE r 104)8 rS‘ I D E \ ' ENSE G ER ONITORING/CLEANOUT PORT ExPiRLS 0500 (EXAMPLE) APPROVED \\ � NOV 202025 MASON COUNTY ENVIRONMENTAL HEALTH RET I Y n qk, ...._ ..♦.., 0 ___, __,-L rt. m 1 0 .0 _, ....) ., , 6,‘ , ....._ c 1%4- At ' ,tN 0 r. \ 9 m 11"- m o z Z • = Z co as 7^ m O = "�• \ m -I m Go. -I o f r m — a m xI 1� � J /--,—'-- . 4. A ' D/ '`�0 Aayy II��) APPROVED® o \A , -� CI1� iorm44IT �c�. LICENSED DESIGNER NOV 202025 i... ,.4Ls us 10, \� MASON COUNTY ENVIRONMENTAL HEALTH RET / s'-2" / WATERTIGHT A LID VENT(to DUAL DUAL PORT AERATOR RISERS(TYP) ` f1 I 36"MAX. 1"•PVC(TYP) le • -- \ L. 1, J q >� A RLINE MASTIC " t—�. I L 2 COUPLING� —— &REDUCER L \ 5; e- \ 2"TEEN 1 PVC SLUDGE 12" RETURN LINE 2"PVC TRASH CHAMBER DIGESTER CHAMBER CLARIFIER OPERATING CAPACITY:417 GALLONS OPERATING CAPACITY:421 GALLONS CHAMBER FLOOD CAPACITY:490 GALLONS FLOOD CAPACITY:494 GALLONS 160 GALLONS FLOOD:191 GAL. 65" 58" \\1 I 54" 50" 53" RO1 , 35" o0 00 0 V �� 0 1"xtl2' 0 0 o TEE NO V 2 p 2925 • \ ASONCOUNnENV1RO ,� •• :. RET N. .ENTAL HEAL 1r j DIFFUSER BARS(2)PARALEL TO TANK WALL 4" \ `l 1 \ \ \ _ SLUDGE RETURN J E VIEW // 1.5"TAPER -� D 1 -1.4 R. STONE-FREE NATIVE SOIL OR COMPACTED SAND INSTALLATION INSTRUCTIONS OVER STONY SOIL 1)Excavate tank hole with vertical walls to 1 foot larger than tank on all sides. 2)If bottom of hole is stony,install 3"of compact sand&level 4" 8-2" ' out with screed. _ _ \ 3)Install tank in center of hole,keeping 1 ft.void space on all sides. _ BLOWER RISERSI ) 24 e�owe 4)As tank is filling with water,fill in void space with compact I I oUSING CAST granular(sandy)soil free of large clumps of clay. I I IQNTOPOFLI 5)Install rest of system,&affix risers to adapters with waterproof adhesive. 48":91 6)Perform watertightness test in field as required by I , I 3-, Ijurisdiction.7)Upon approval to backfill,carefully backfill with n2"RISER I I soils over top of tank. �� I I QIGESTEF 1 I2•QIF/Fg1 8)Final grade the surface to avoid chanelling su water toward tank. _ 1 418 \ L J L_ _ J `\ O LICCI SED DESIGNER TOP VIEW a \�3 1".2.8ft LX"II:LS 0510, rr ;;:;:. s,> ;,,. - AEROBIC TREATMENT TANK DETAIL FOR Nu WA TER BNR-500 TREATMENT UNIT I,11 1;.-%\ , ENVIRO-FLO, INC. REVISED: `r Wastewater Treatment Technologies 3/01/12 r P.O.BOX 321161, Flowood,MS 39232 SCALE: (877) 836-8476 (601)845-4716 fax 1 n = 1.,4 ft. www.enviro-flo.net CA 6E47r�s 1200NCP & 1200NCP—HW p3s 1475 GALS. FLOOD CAP.e nocK•`�� ...,. 102 96" 1 co 0 73 Z T7 T q 14" TOP VIEW 24" 18• 71 � 5 NT � O 65 Z ^' o 4" R, ti Z Cr- 1n --I (T C3 .d I Jam_ t 3" I v mAs\ 6' PVC PORT 24' ORENCO TANK ADAPTER ii 4 ��. 1. r 4' CAST-A-SEAL GASKET 11 ,/ ia2,1,.,Okr) 4 of`Ni yj, 011 Y �: NJ4 A • :�i� S \� U EN9E �� CI ND'r D E D 4 AIGNER ��'tie. 1 25.43 GALS. PER/INCH tiGS U5"°' 51 " 4" III V 2- 1 /2 --P-+ 1-*— 1 3,, AI1PROX. WEIGHT 1 1 ,000 L3S. 1 • ,/ „ mejyrumpf •, �- Pump Specifications Ii, 280 Series 'I /2 hp my _ Submersible Effluent Pump LITERS PER MINUTE 0 50 100 150 200 250 40 - I -+ - r - I 12 1 APPROVED NOV202025 30 r- ti!�:ON COUNTY eiV1RON,MENTAL HEALTH RET - 8 N I- ce W - I- W tj Z o �( Z 20 - �` G 6 x s •0 4 "9� � \)0)) ri h�'�( .�.at yc �tc N ? _u 510 18 CINDY f TE LICENSED DESIGNER 10 _ .Z.Zn".- e• ,t;) I - 2 ik\ \'q I 0 -- - \- 0 0 10 20 30 40 50 60 70 GALLONS PER MINUTE 280_P1 R010/7/2015 °Copyright 2015 Liberty Pumps Inc. All rights reserved Specifications subject to change without notice i : y' -, t A pRO N VED MASON 2 0 2025 Installation Notes C�UNn,Ei,,,, EhTAL HE REl ALTH Pretreated Pressure Distribution System: 12018-21-90012 XXX E Plantation Way 1. 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. 2. After clearing, installer and designer will meet on site to stake out drainield. 3. Install system during dry weather with acceptable soil conditions 4. 1000 gallon t ash tank required 5. BNR 500 Sys em 6. 1200 gallon pump tank required 7. Concrete tanks required. 8. Gravel base drainrield required 9. Keep wheeled vehicles off the drainfield area before, during and after installation. Tracked equipfnent only, 10. All ground, surace 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. 11. Curtain drains can be no closer than 10' upgradient and 30' down gradient of the drainfield 12. Exposed restrictive layers, cuts, banks, etc. can be no closer than 50' downhill from the drainfield. 13. Install access risers on the septic tanks, valve box and ends of laterals. 14. Make sure septic tank risers are epoxied or caulked to cast in riser rings on tank. 15. Lids must forma water and gas tight seal with the access risers 16. This system mirst be installed by a Mason County Certified installer or 17. Deviation from this design without prior approval from the designer and Mason County Health Department will make this design null and void. 18. This design waS sized per Washington Administrative CodeWAC246-272A-0230. The operating capaity is based on 45 gallons per day per capita with two persons per bedroom. Ther!ninimum design flow per bedroom per day is the operating capacity of ninety gallons ultiplied by 1.33. This results in a minimum design flow of one hundred twent gallons per day. This creates a surge factor of 33% but anticipated flow is ninety g lions per bedroom per day. 19. Install bed or tr nches with contour of the ground 20. Install trench b ttoms level and always maintain a minimum of six inches into native soil 21. Install locator t�pe on top of all drainfield laterals. 22. Install threaded clean outs at the ends of all laterals (caps must extend to ' six inches of finish grade and be in a valve box as shown on diagram. i \I 23. Install audio/visual alarm ,,kg 1 24. Filter fabric required over drain rock prior to backfilling. If the dr k-,ti9t extends above the original grade, run the filter fabric at least 2 y 41 trench wall. y O C CyE t1. `yv LIC 4SF.D GNE ( YY System Owner Responsibilities: 1. Operation and Maintenance is required by Washington State Department of Health and Mason County Health Department. 2. The septic tank and pump tank should be pumped every three to five years or as needed. 3. System owners are responsible for having maintenance performed annually. 4. System owners Ore responsible for responding to septic issues in a timely manner. 5. System owners shall 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 pro sided by Mason County Public Health. 7. Keep the flow of sewage at or below the approved design operating capacity. 8. Keep waste strertgth at residential waste strength parameters. 9. Spread loads of litundry through the week. 10. Do not use excesive bleach or detergents with added whiteners. 11. Do not shower, do laundry and dishwasher at the same time 12. Antibiotics can kill or impair the biological process in the septic tank. 13. Leaky plumbing can hydraulic overload your on-site septic system. ® N o MASON�ooN� CU25 LICCI Y EN SII N Rui Z1 n f4V1RONmENTq� RET HEALTH