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HomeMy WebLinkAboutSWG2026-00018 - SWG Application / Design - 1/21/2026 a. MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584 SHELTON:360-427-9670,EXT 400 BELFAIR:360-275-4467,EXT 400 f Public Health & Human Services ELMA:360-482-5269,EXT 400 FAX:360-427-7787 On-Site Sewage System Permit: SWG2026-00018 APPLICANT THOMPSON ANITA JEAN ALEXANDER Phone: Address: 22294 N 102ND LN PEORIA, AZ 85383 OWNER THOMPSON ANITA JEAN ALEXANDER Phone: Address: 22294 N 102ND LN PEORIA, AZ 85383 SEPTIC DESIGNER PAULA JOHNSON* Phone: 360-898-2255 Address: 171 E VUECREST DRIVE UNION, WA 98592 SEPTIC INSTALLER BRAYDEN SCHOENING* Phone: 360-742-2982 Address: 121 W GRIZDALE DRIVE SHELTON, WA 98584 Site Address: 1610 E Saint Andrews Dr N Primary Parcel Number: 321225000427 Permit Description: New 3BR SFR Nuwater BNR500 Permit Submitted Date: 01/21/2026 Permit Issued Date: 02/02/2026 Issued By: Jeff Wilmoth Current Permit Fees Paid: $570.00 (additional fees may be required upon installation of system). Permit Expiration Date: 01/28/2029 (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 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/health/environmental/onsite/oss-inspection-request.php or call: 360-427-9670, extension 400. OFFICIAL USE ONLY MASON COUNTY DATE RECEVED: T � /p,t O/� C N .'in .. - ,.. AMOUNT RECEIVED: U RECEIVED BY: CD w.,-, Public Health & Human Services 570 veop v N o� � Environmental Health 360-427-9670,ext.400 or 360-275-4467,ext.400 �t 0 415 N.6th Street-Shelton,WA 98584 SWG c c01� - OD° I V O m IJ�J Z fA ON-SITE SEWAGE SYSTEM APPLICATION E XI m n APPLICANT PHONE m Clark Family Properties Molly Clark (360)463-8343 r c MAILING ADDRESS-STREET,CITY,STATE,ZIP CODE Co E P.O. Box 189 Shelton WA 98584 tu m SITE ADDRESS-STREET,CITY,ZIP CODE r • 1610 E St Andrew Dr N Shelton WA 98584 3 w I NAME OF DESIGNER PHONE IV Arrow Septic Designs, Inc (360) 898-2255 NAME OF INSTALLER PHONE I Schoening Excavating (360)742-2982 PERRMpMssIT TYPE(select one) DRINKING WATER SOURCE R E I N RESIDENTIAL OSS COMMUNITY OSS ff COMMERCIAL OSS ff PRIVATE INDIVIDUAL WELL Iff PRIVATE TWO-PARTY WELL Z I N TYPE OF WORK(select one) PUBLIC WATER SYSTEM NEW CONSTRUCTION/UPGRADES aIREPAIR/REPLACEMENT OTHER DETAILS(select al/that apply) 0 TABLE X REPAIR W I ' SUBMITTALS 0 SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE P I„L DESIGN FORM(REQUIRED) SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE WAS LOT CREATED AFTER 4/1/2025? O �;WAIVER(S)(IFAPPLICABLE) 3 BR .26 ac o YES ❑� I NO X I 0 DIRECTIONS TO SITE AND SITE CONDITIONS:(es.locked gate) Head toward W Alder St and turn (R). At the traffic circle, take the 3rd exit and go up the I O hill. go to the (R) at the traffic light. Turn (R) onto E McEwan Prairie Rd. Turn (L) onto E r Mason Lake Rd Turn (L) onto E St Andrews Dr. Destination on (R). Yellow sign: "1610" .p IN N SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I OFFICIAL USE ONLY BELOW THIS LINE UPGRADE/FAILURE SOURCE(for reporting purposes) ❑VOLUNTARY 0 MAINTENANCE/PUMPING ❑BUILDING PERMIT ❑HOME SALE ❑COMPLAINT ❑OTHER: INSPECTOR SOIL LOGS COMMENTS/CONDITIONS imE-_,,,......,-) 4./3 ,., / / /' C C n 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 FINAL APPROVAL. INSPBTOR,SIGNATURE DATE APPLICATION EXPIRATION DATE APP ION APPR VED/ISSUED BY DATE - r!.\,,,,,-4,--. �' I-21-.2 4 ,!�:,, , 2-_21- 4 THIS FORM,'MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025 ''J DESIGN FORM—PAGE ONE Assessor's Parcel Number: 3 2 1 2 2 - 5 0 - 0 0 4 2 7 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 G PARCEL IDENTIFICATION _ _; 1 p� Designer's Name: Arrow Septic Designs, Inc Permit Number: SWG p�.0.2(p'0Cx7t 0 Clark Family Properties Designer's Phone Number: (360)898-2255 Applicant's Name: P.O. Box 189 Designer's Address: 171 E Vuecrest Dr Mailing Address: Shelton WA 98584 City State Zip Union, WA 98592 City State Zippaulaj@hctc.com , DESIGN Designer's ETERSn pa a� o Treatment Device ❑Glendon O Sand Filter O Mound O Sand Lined Drainfield O Recirculating Filter 0 ATU NuWater BNR-500 0 oth r gallon pre-trash tank Treatment Level(check all that apply): :IAMB MC O BL1 0 BL2 O BL3 0 E O N Drainfield Type ❑Gravity lifPressure O Trench RiBed O Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class 40 Daily Flow:Operating Capacity 270 gpd Length 45 ft Daily Flow: Design Flow 360 gpd Diameter 1.25 in Septic Tank Capacity(working) NuWater BNR-500 gal Number 4 Receiving Soil Type(1-6) 3 Separation 2.5 ft Receiving Soil Appl.Rate 0.8 gpd/ft2 Orifices Required Primary Area 450 ft2 Total Number of Orifices 36 Designed Primary Area 450 ft2 Diameter 3/16 in Designed Reserve Area 450 ft2 Spacing 60 in Trench/Bed Width 10 ft Manifold Trench/Bed Length 45 ft Schedule/Class 40 Elevation Measurements Length 7.5 ft Original Drainfield Area Slope 0-1 % Diameter 1.25 in New Slope,If Altered 0-1 % Preferred manifold configuration used? l 'Yes O No Depth of Excavation Up-slope 10 in Transport Pipe from Original Grade Down-slope 10 in Schedule/Class 40 Designed Vertical Separation 12+ in Length 100 ft Gravel-based Drainfield Required? LAS Yes O No Diameter 2 in Pump Required? l'Yes O No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 4 Diff.in Elevation Between Pump&Uppermost Orifice 13 ft Dose quantity 90 gal Drainfield Squirt Height/Selected Residual(head) 2 ft Chamber Capacity(flood) 1,000 gal Uppermost Orifice RI Higher O Lower than Pump Shutoff Pump controls:Please check those required. Capacity @ Total Pressure Head 21.24 gpm li Timer O F(apse Meter ❑,vent Counter Calculated Total Pressure Head 16.69 ft If Timer: Pump on 2 minutes ,pump off 6 hours Comments P P R Q Aris.A4., FEB 0 2 2O2 s.:: MASON COUNTY ENVIRONMENTAL HEALTH Revised:4/14/2025 ` �� JBW Vh t-y. HZZ - SHEET 5 OF U (*V LAKE LIMERICK-DIVISION NO. THREE A PORTION OF SEC.21,22,23 a 27, 121 N, RAW, W.M. MASON COUNTY, WASH. 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M N O .11_47 r.1 /al-4VQ x UR gS2.z.L-a1d=ITO 002 0 r -I o f 7'111.. kaNVs 01'-ZS flOTJ Oi3 O 1" 1QQ21" s'7 ,,ZZ-Q:Z# w renstn-otpny O X m ILO 1-, d 1- add t 1 1 `sl-oat + G-79„Sg-0 =1 4- 1 3,6,s -4. 'G ego1-0 310-}i -LS B_L:V ,......-. I. 5 I �, -ate fr 79 c 3 9 +asgb -V 010,13449 N ?JQsona-eorw :1.S 3 01 q1 LZi7 OQ -05-ZZtZ.11 '-a-Irva} s3\17 3doZG& },-11\"1 '-3 WW-1-0 r3" • 76-1). 1 Cs�cA‘,.o ' F--- 1 �� . ,.BLS`' Ict-Fe✓t\S ,....C. T fir, Dr *fit 0 /60.` " 7\A, Pcs:-. O b,Vcr.f for, DRAINFIELD TOP VIEW (4) 1 .251; sched 40 l �erais 10 x ,i5+ pressure bed (q ) 3/16" orifices 60" O•.0' 30" from bed ends cs �.. S`' = to`5 0. 5 ' to ! _ A.,,. 0.*), -r4,.... ... P .•fr �: .L 1,:,-,---.G.A- ,,, 9 *.-eO PAULA JOY JOHNSON .97 LtC +tsmU �i N��f" 1vb SCREW ON CAP • E)C.I 13 G , _ . .. 45 DEGREE ELBOW NOTE, / LATERAL 1 OaOBSERVATION PORTS--TO BE 4" f..- okIfiCr PVC PIPE FROM BOTTOM OF TRENCH END OF ik TO FINISHED GRADE. REMOVABLE DITCH.. CAP SHALL BE INSTALLED ON C . 3O DETAIL _ OBSERVATION PORT PIPE. ANCHOR ON CLEAN OUT BOTTOM WITH GLUED ON TEE; MINIMUM OF 2 - IN SYSTEM. NOTE, CLEANOUT TO BE FROM 0 ' INCHES BELOW FINISHED GRADE. (\ - . MARK ENDS WITH REBAR . CLEAN REQUIRED AT END OF EACH LATE: FINAL lsf�caDE-,, �cLe{^ br;c �y _ 7)_IS aAT. O1216'1NRL G 2A-DE f0„ n)�- --7 •3,` n` 30. . i' 313` )f_ /5c-"_ fr,, . J • • S ca.!`,_ . 1.,= 2 r 0.. • I ' 2 ` 3' 4' [2+ Z ice". A ems Co -decd ii s Y P it i, lift • ' 'FEB 0 2 2026 'V tt-) MASON COUNTY ENVIRONMENTAL HEALTH .J BHA • Length Length Orifice # Distance from Distance from Lateral# (In.) (Ft.) Spacing Orifices Feeder Line(In.) Cleanout(In.) 1 540 45 60 9 30 30 2 540 45 60 9 30 30 3 540 45 60 9 30 30 4 540 45 60 9 30 30 Total Lateral Length 180 Total#Orifices 36 I GPM= 21.24 Dynamic Head Calculations Selected residual pressure: 2 ft. Length(Ft.) #Orifices Transport Pipe 100 36 0.82 ft. Feeder Total Lateral Line Length Lateral#1 45 4 49 9 0.22 ft. Lateral#2 45 2 47 9 0.21 ft. Lateral#3 45 2 47 9 0.21 ft. Lateral#4 45 4 49 9 0.22 ft. Total Elevation Lift - 13.00 ft. Total Dynamic Head cisfil ID AMT 69 ft. xa E� ` FEB 0 2 202 ' ,..,1 MASON COUNTY ENVIRONMENTAL HEALTr SECURED uo WITH GAS TIGHT SEAL ` THREADED UNION 2d'DIAMETER ` - ACCESS RISER FlNISH GRADE — f — 1 VALVE• FROM SEPTIC • -- 17----;---*TO GRAINFIELD• TANK r EMERGENCY sTORA(iE ANTI SIPHON VALVE• HIGH WATER ALARM LEVEL ---► — £ - Y - it woRKINO VOLUME thr NORMAL : OFF LEVEL FLOAT STEM £ 4 ------7-4 I —Cr- — FOR FLOAT "� MOUNTING ENCLOSED PUMP -- CHECK VALVE• .• '• ;;f4,1, ENCLOSED r IMMINENT SHRouo• ��� - .• Uri SEDIMENTS f"' I.11 su8MER8l8LE �f,r CENTRIFUGAL ' 5'C0349 "�t�'.r,\ . ' ..---------- PUMP .1.--.e.". PAULA JOY JOHNSON .1y A I ' Cf0rN,t briE. Ntik: PUMP CHAMBER !1 EXPIRES 1TYPICAL1 1—( `(- 'AS NEEDED Septic Tanks must meet standards required list by regC istered chapter sewage 246-272C tanksand FIGURE. 2 manufacturer must be on Dept of Health g s lc . .. W A Ix)H Publication#337-022 Page 35 of 65 - 7 • Bronze construction available(139 series) High head version available(145 series) ..,2,t,''..;-=‘,;:t-, . • Double shaft seal versions available for added protection Flow-Mate on models 14O/145. For more information,see Technical Data Sheets FM2782,FM2783. In high head dewatering or effluent applications where pumping performance is critical, this robust ., . PUMP PERFORMANCE CURVE MODEL 137/140/145 family of pumps is known for reliability, durability and performance. These s 22 ■■■�■■■■■ pumps are especially suited for harsh 5 ■■■■■■■■■ environments.Zoeller's coot run design s, “III ■,■■■■■■■■ and corrosion-resistant,powder coated 18 ■`■■■■■■■■ C epoxy finish add up to along-tasting ° 55 ■■'■■■■■■■ a trouble-free product. 51 to APPLICATIONS: , 5 ' �■■■■■■■ • STEP or onsite applications I. " ■■�-'■■■■■■ — • Water transfer ₹ 35 C ■■••�■■■■■■ • Light commercial dewatering 'a " ■■■•'■■■■■ Z SPECIFICATIONS: �—� ■'�'•'„■■■ • 1-1/2"NPT discharge fi 5 • 1/2 HP through 1 HP F ■■■■■,�,\■■ MADE IN THE USA ■■■■■��■.'■ • Available in automatic or nonautomatic USIYDA MAJORITY OF[UMW 5 ”.5 � 'R • Model 137,139,140:1/2"(12 mm)spherical solids p ■■■■■ ■■' capacity with vortex impeller +u b m 00 » 53 70 ® m fro GALLONS • Model 145:3/4"(19 mm)spherical solids capacity with vortex impeller =KM PER MUT 152656 ir=ir -Alf � .°,,,,.".c444.-b, J W ' E PUMP PERFORMANCE CURVE MODEL 151/152/153 Dose-Mate ® 50 This is our fastest growing line of effluent 1a- 45 153 pumps.The 150 series is truly workhorse designed for reliability under extreme 12- w conditions in an effluent environment. 150 series pump curves cover a wide range = 10- 35 152 of applications. They are well suited to s - 30 applications with tow pressure pipe(LPP) a 6- 151 and enhanced flow STEP systems.Zoeller's 25 cool run design and corrosion-resistant, o s- za powder coated epoxy finish, in addition to the hermetically sealed, oil-filled motor 15 Q and non-clogging vortex impeller add up to 4- a long-lasting,trouble-free product. t0 2- APPLICATIONS: • STEP or onsite applications o MADE IN THE USA 10 20 30 40 50 60 70 80 90 too • Light commercial dewatering USIYDAMAJOYITYOfUSCOYTEYf GALLONS SPECIFICATIONS: LITERS 0 40 80 120 160 200 240 280 320 360 FLOW PER MINUTE 014508 • 1-1/2"NPT discharge �F, • 3/1O HP through 1/2 HP m • Available in nonautomatic or with a variable level lk a P 4# n 0 V E piggyback mechanical switch .1- 11,- �1 FEB• 1/2"(12 mm)spherical solids capacity with vortex D o 2 2S thermoplastic impeller For more information,see Technical Data Sheet FM2784. MASON COUNTY ENVIRONMENTAL HEALTH ©All rights reserved. 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FW1 Cal..1AR(>F CClAWS 04 I4AY 1MOit00T�'•OVCI44:*10 Its IN V4AA41H;. )MCN it C/liltL.11Y AND 4)INUV1 AH1).An kr)51AAY et MO.40"11PM 111C LVCAtiA.5..tK1'N•'t F3,OVI' t;✓ IL'IN i t I dv*,0Aa3A10M IV))COVCR 9 5 : -:- - YNC•tifoit3 APt NOT Cntt*4030 AND TT't Pot CCNT4t.,irk UX,A1ID Al LX437 W 0, i I�.1tIti5)1Rr Ci,wATrt;MiO G 061:O01Jt 1W 4PGAL.JUPI5PcC1iQN 0R port 4'LC,PICArtO.RJ3. 9'}ROM AMN'tin VW A`LF.AiT 4'TVC:M ANY RtNAtc:. ,o /1 P'NAL Vx,A0.,1,1).!UWAG€TOAAvO1N)t Y1NeLLRJG•t1S1�`.A t WKree."T'AVARrk3 T'ANF - �} . try - ._ w / 9'-2" DUAL PORT AERATOR WATERTIGHT LID VENT(typ) , RISERS(TYP) ,t iz_36"MAX. 1"PVC(TYP) _- ` j o- 1!2'PVC MASTIC i. t ••�� AIRLINE 4" ��-Z 1 i 1 2" —`- S &REDUCER 6" 2"TEE 1'PVC SLUDGE -NNINN 4 12" RETURN LINE 2"PVC \ l TRASH CHAMBER DIGESTER CHAMBER CLARIFIER i I OPERATING CAPACITY:417 GALLONS OPERATING CAPACITY:421 GALLONS CHAMBER I ' I FLOOD CAPACITY:490 GALLONS FLOOD CAPACITY:494 GALLONS 166 GALLONS //-\ ' i FLOOD:191 GAL; 56" 54" 50" 53, " ° ° ° 36' e e o (� n1"X It2' e c i I TEE o 1-6)% 12'--7DIFFUSER BARS(2) • PARALEL TO TANK WALL 4" �"�. \ 1 \ ' r SLUDGE RETURN J \ / // 1.5"TAPER --4 SIDE VIEW 1•-1.4 ft 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- s-2• t out with screed.3)Install tank in center of hole,keeping 1 ft.void space on P__ ____7(— ail sides. I LL'P 24'BLOWER l I 4)As tank is filling with water,fill in void space with compact 24"RISERS i GUSJNG cas granular(sandy)soil free of large clumps of day. I // N TOP OF LI 5)Install rest of system,&affix risers to adapters with ( 1 I waterproof adhesive. I f 4,$• 6)Perform watertightness test in field as required by local \ / j! I jurisdiction. \ �/ I I 7)Upon approval to backfill,carefully backfill with native p IR i I 12 RISER I i soils over top of tank. I I ( DIGESTER (leuR�r�l 8)Final grade the surface to avoid chaneliing surface ��Q 0 'L .1 L__J \ water toward tank. Wit �y ENV,RONMENIA1- TOP VIEW V ASON COON 1 =28 ft , . AEROBIC TREATMENT TANK DETAIL FOR NuWA TER BNR-500 TREATMENT UNIT ,' ENVIRO-FLO, INC Wastewater Treatment Technologies REVISED: 3/01/12 --t'' -- P.O. BOX 321161,Flowood,MS 39232 SCALE' 2 .'= (877)836-8476 (601)845-4716 fax 1" = 1.4 ft. www.enviro-no.net . . 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EZ I PARTS LIST NuWater NR Assembly Diagram I A.DUAL PORT AERATOR M.POLY DIFFUSER BAR(7/ B.sir RUBBER 90'WI CLAMPS(2) N.1"PVC(3 112"SECTION) C.318"BARBED ADAPTOR X 117 NPT(2) O.1"SLIP CAP (� D.112"SLIP X 1/7 NPT ADAPTOR P.118"CLEAR PVC HOSE(OPTIONAL 5) 1"STREET x 117 NPT BUSHING(3) Q.1/7 PVC PIPE(BY INSTALLER) F.1!r 90"ELBOW(3) R.1"PVC PIPE(BY INSTALLER) !sT G.1"X 1"X 117 TEE S.7"PVC PIPE(BY INSTALLER) - t ELBOIN„7'X 1 BUSHING) U.112"STREET X�NPT BUSH )TOR TO 1/4 (P PR R V I c' ,`'� J.7 SANITARY TEE V 1/2"PVC COUPLER(2) �j 1 r +� K.1"PVC CROSS W.7'COUPLER(BY INSTALLER ,,C ' FEB 0 2 2026 ' L.1"COUPLER(BY INSTALLER) a MASON COUNTY ENVIRONMENTA H ALTH SW Revised 2/25/12 G/mow Septic Deis igro, Ace. .- NuWater BNR Pretreatment ' .`�� 6',46s U, INSTALLATION & MAINTENANCE j jl ! .! t s Pressure Distribution Systems rA 5100349 (�{� ''%Q"� PAULA JOY JOHNSON . - .121M80 MiGNetl:_ 1. Install Laterals with contour of the ground. FxP,� .. 2. Install trench bottoms level. t-1 q-2-(0 3. Install locator tape or rebar at each end of all drainfield laterals. 4. Install observation ports as indicated on the plot plan. One required at distal end of each lateral in drainfield with bottom extending to the drainrock/native soil interface. Glue "T"to bottom so Observation Port cannot be easily removed from ground. Install removable cap on top of port at final grade level. 5. Install drainfield during dry weather and soil conditions; any soil smearing must be eliminated by hand raking. 6. Install threaded clean-outs at the end of all laterals (cap must extend to within six inches of finished grade and be marked with locator tape or rebar). 7. Install audio/visual high water level alarm. Redundant off switch not required. 8. Install check valve in pump outlet line to prevent system from draining back into the pump chamber. 9. Tee to Tee construction between laterals and manifold with orifices oriented at 6 o'clock. Install laterals to the manifold with the orifices at 12 o'clock, (do not glue), after pressure test and Environmental Health Dept. approval, turn orifices down (6 o'clock) and glue laterals to manifold. Orifice shields may be used with orifices in the 12 o'clock position in lieu of turning the orifices down to the 6 o'clock position. 10. Filter fabric required over drain rock prior to back filling. If the drain rock extends above natural grade, run the filter fabric at least 2 inches down the trench wall. 11. Waterlines must be a minimum of 10' to any tank or drainfield(a reduction to 5' may be obtained with a State waiver on lots that meet minimum lot size). Encase all water lines within 10' of septic transport lines and under any driveway/parking areas. 12. Divert all storm water runoff away from on-site sewage system. 13. No curtain drains allowed within 10' of the up-slope edge or 30' of the down-slope edge of the drainfield and reserve area. 14. No vehicular traffic over drainfield area or tanks. 15. Inspect floats, clean filters, and test high water level alarm every 6-12 months as needed. 16. All materials and workmanship must meet County and State regulations. 17. Deviation from this design without prior approval from the Designer and Mason County Environmental Health Department will make this design null and void. 18. All manhole lids and access, sampling or inspection ports must have locking covers and be located at ground level. 19. All pressure systems with a pump chamber outlet higher than the drainfield must have an anti-siphon valve or a 1/8"hole drilled in the discharge pipe above the pump to prevent siphoning. Ensure anti-siphon hole sprays down/away from tank opening. 20. All transport lines under driveways or parking areas must be encased to prevent crushing. 21. Homeowner is responsible for all property lines and easements. 22. Please Note: When you begin using your septic system, co �J:clip,k s , i r ., discuss setting up a schedule for your required Operation :. k>'. ai e'any 'o y NuWater pretreatment system. FEB 0 2 202 MASON COUNTY ENVIRONMENTAL HEALTH tc) at-to