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HomeMy WebLinkAboutSWG2023-00528 - SWG Application / Design - 12/20/2023 LTON,WA raMASON COUNTY 415"6 HELTON: .S"E7-967 ,EXT 400 584 BELFAIR'360-275-4467,EXT 400 , + Y Public Health & Human Services ELMA'360-482-5269,EXT400 FAX.360-427-7787 On-Site Sewage System Permit: SWG2023-00528 APPLICANT JEPPESEN LISA Phone: Address: 16401 SE 352ND AUBURN, WA 98092 OWNER JEPPESEN LISA Phone: Address: 16401 SE 352ND AUBURN, WA 98092 SEPTIC DESIGNER PAULA JOHNSON -Arrow Septic Phone: 360-898-2255 Designs Inc. Address: 171 E VUECREST DRIVE UNION,WA 98592 Site Address: 951 NE Patton Dr Primary Parcel Number: 322207500040 Permit Description: New SFR-3BR Pressure Permit Submitted Date: 12/20/2023 Permit Issued Date: 01/05/2024 Issued By: Jeff Wilmoth Current Permit Fees Paid: $525.00 (additional fees may be required upon installation of system) Permit Expiration Date: 01/02/2027 (based on date ofinspecnnn/ Permit Conditions: 1 Proposed development subject to zoning requirements and approval by the planning department staff per Mason County Title 17. 2 Permit must be installed by a Mason County Certified Installer unless prior written authorization from Mason County is obtained. 3 Drain field installation not to exceed designed upslope and downslope depth specified on design form. 4 Installer is responsible for obtaining Mason County installation approval prior to backfill of system components. 5 Installer is responsible for obtaining Septic Designer/Engineer installation approval prior to backfill of system components. 6 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 ),...3 MASON COUNTY• C CA COMMUNITY SERVICES °°1°j`�S FTECEIVE CO tn < w DATE RECESS,- `sRRhGre�,0,or a..a%4eary,�" "me"NIN�INI SWG aUZ., - coc S rf, o ZA z N ON-SITE SEWAGE SYSTEM APPLICATION 3 xi APP_GAN— PHONE r Van & Lisa Jeppesen I (253)653-4710 zMAILING a OSEEE-STREET CITY STATE ZIP CODE 16401 SE 352nd Auburn WA 98092 z S,TEADDRESS STREET.G.TY ZIPOODE Tahuya WA 98588 951 NE Patton Dr NAME OR DESIGNER 12HONZ I N Arrow Septic Designs (360)898-2255 WOnE a N NAME OF rvsTAL ". < y 1 N NA ER sOUR_E 5 PERMIT ETI Nei DRINKC �RESIDENTIALOSS [I COMMUNITY 0S5 FCOMMERCAL055 U PRIVATE INDIVIDUALRSYSWELL 6.PRIVATE TM16PARTV WELL �Z Q 2 PUBLIC WATER SYSTEM pCOE ONS RUO me IX I or NEW' ON$TRUDTIONIUPGRADES FI REFAIR,RErIACEMEN .. F CNGsets-E AS .. ! ❑T FUREPIR ❑SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE SUBMITTALSES �_DrszE p �� ,p DESIGN FORM(RELICABD) SEPTIC DS''GN(REOUIRED] BEDROOMS 3BR i 5.06 acres F cn Q_WAIVER(5)(IF APPLICABLE) DREG-GNS TO STEAND Si r E CORD'TiONS iet Lwtm guts Go out Hwy 3 toward Belfair and turn (L) after the Dairy Queen onto Northshore Rd 10 (WA-300 ). Follow all the way to "16891". Turn (R) onto Patton Dr. There is a wood sign: r IO "Great Bend Estates" and a silver gate, not locked. Watch for an orange round saw blade o I a wit"951" on it. Stay to center at fork. Test holes on (R) in clearing. SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGEDMTH 7E5T HOLE NUMBERS I O OFFICIAL USE ONLY BELOW THIS LINE .. UPGRADE FAILURE SOURCE forteroNc9 PLZPcse$ 0 VOLUNTARY 0 MAINTENANCE/PUMPING 0 SUILDING PERMIT 0HOME SALE DCOMROAINT 0 OTHER INSPECTOR SO R LOGS LV EOM_ T .S „ar .-CNO SL ND W. 5L- r ' L..LA. 15 , 2 5 L NV ��;/d \�% RECORD DRA,VNG A.D NST-WTON REFER SOIL CODES. _ EXTREME R=ROCS __E G-L VERY GRAVELLY S SAND O - IL C EM D - " EO=r DATE VED dB? NEDN. SIGNATURE C PCP T S ` 2� ',PPP a,�7 °�� 1-5 2� ( Uv REVISEDU.r2 5 T S AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE DESIGN FORM—PAGE ONE Assessor's Parcel Number: 3 2 2 2 0 — 7 5 — 0 0 0 4 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. r Scaled layout sketch,including all applicable items on checklist °Scaled plot plan,including all applicable items on checklist. 0 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 II"X IT' _4 Permit Number: SNG 9033 — OOS,2 K Designer's e s Name: Arrow Septic Designs,Inc Van&Lisa Jeppesen Designer's Phone Number. (360)896-2255 M Applicant's Name: 171 E Vuecrest Dr Mailing Address: 16401 SE 352nd Designer's Address: Auburn WA 98092 Union, WA 98592 City State Zip City State Zip s, :., DASIGN-rA'o.aaa.'rERS ., .... Treatment Device 0 Glendon Biofilter 0 Sand Filter 0 Mound 0 Sand Lined Drainfield 0 Recirculating Filter,Type'S00 gallon pre-trash tank Aerobic unit MakeMiodel NUWater BNR-500 0 Disinfection Unit MakaMlodel Other: Drainfield Type 0 Gravity RiPressme 4Trench 0 Bed ❑Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class 40 Daily Flow:Operating Capacity 270 gpd Length 40 ft Daily Flow:Design Flow 360 gpd Diameter 125 in Septic Tank Capacity(working) NLWater BNR-500 gal Number 5 Receiving Soil Type(1-6) 4 Separation 9+ ft Receiving Soil Appl.Rate 0.6 gpd/ft Orifices 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 TrenchBed Length 200 ft Schedule/Class 40 Elevation Measurements Length header ft Original Drainfield Area Slope 3 % Diameter 1.25 in New Slope,If Altered 3 % Preferred manifold configuration used? 53'Yes 0 No Depth of Excavation Up-slope 10 in Transport Pipe from Original Grade Dawn-slope 9 in Schedule/Class 40 Designed Vertical Separation 13+ in Length 70 ft Graveness Chambers Required? ❑Yes 0 No 611 Optional Diameter 2 in Pump Required? Er Yes 0 No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 4 Diff.in Elevation Between Pump&Uppermost Orifice 5 ft Dose quantity 90 gal Drainfield Squirt Height/Selected Residual(head) 2 ft Chamber Capacity(flood) 1.00a gal Pump controls:Please check those required. Uppermost Orifice 56 Higher 0 Lower than Pump Shutoff Time: Ctlapse Meter l 'Event Counter Capacity Total Pressure Head 23.6 gpm 6 hours Calculated 2 minutes Total Pressure Head 8.79 ft If Timer: Pump on ,Pump off Comments '" - DESIGN FORM—PAGE TWO Assessor's Parcel Number:3 2 2 2 0 — 7 5 -- 0 0 0 4 0 Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch lI Test hole locations It Drainfield orientation and layout Reference depth from original grade: It Soil logs It Trench/bed dimensions and Ft Septic tank 6a Property lines critical distances within layout It Drainfield cover ❑ Existing and proposed wells It D-Box/Valve box locations Reference depth from original grade within 100 ft of property 0 Septic tank/pump chamber and restrictive strata: ❑ Measurements to cuts,banks,and locations a Laterals,trench/bed,top and surface water and critical areas 6L Observation port location bottom ❑ Location and orientation of RI Clean-out location 0 Curtain drain collector curtain drain and all absorption 56 Manifold placement 0 Sand augmentation components It Orifice placement Other cross-section detail: m Location and dimension of Et Lateral placement with distance It Observation ports/clean-outs primary system and reserve area to edge of bed iiOther Information 6/1 Buildings RI Audible/vis0a µ r- .Tended Yes No l0 Direction of slope indicator ..).,;.4.�!�(���}!)!� 0 Design staked out It Scale ofd : V cale 10 Waterlines bar .e0 'Recorded Notices attached Ed Roads.easements,driveways, -C a' .ti��{O� ❑ Cf Waiver(s)attached parking As�/k es 0 Pump curve attached It North arrow and scale drawing lj, 1 o g Evaluation of failure shown on scale bar r%`' 5100249 Non-residential justification0: PAULA JOY JOHNSON ,� DaIYJ�SEt�iatlei y) ❑ Csf Waste strength �tt1e1.RRE9•8/1 ❑ Fe Flow DESIGN APPROVAL The undersigned designer must be fled• bA ins Iler at time of installation It Yes 0 No C:�I,1L'hb,. 17--! 4 - Z3 Signature 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 o ite re lation : En rim e I Health Specialist Date CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved"by Mason County Public Health. ✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is: I. — 2— 2 7 ✓ 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. Updated Date: 12/7/2015 0 ° § I `6 _ S ' i' CI o� 3 ' `°'+ i < ° r > Ec s 9 n 00 3 <2F r a & r \ :•,� o o s 6'2,1 y 6 j N O „ U Z T O ;y C 00 or' (0 : m 6 00£'. MSifiV 0 r 6c9� ? A oN _ • c3� n7 ` I weo c- r . "' p E, ` 1� E" i a Pt eS as0^ o crF <✓3 0e'- /r 2- k • �, ot. `° S 3 0- £ y r m } � _ oN£.b6 3 2 i - N3 Y j Le - £ a h 2 m LL 7 i,nB%2 4 -, 33 f 0300 c 9 -T; o a § ' �a`° c 3 z ^ - 2Zf O Q2 G 1 - W 9 M O > N `,}' os ' t .o0 s a -%os MiO,Lc oOry le 41 2 fir- 03, 9msoy oos 6s zs. -s Zs% 9.aL CS£, - ... O c o . 5• 0 0 p t1l aSS d 92OO9 I O w ? S B 1, S% 4P£S% N 6Cf 2 i� V` W 3mzz 2 po O- is'I'll � C N U' o _ = -.r. 0 o:oq ^ s 3 om 2 07 m9 o .0 Q i i s % T 00 v GS 0071 \g 9 3 N . 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' 'ev\ci\A.es � Q\* OD. �;,,� with reserv2 bet-weer\- 19 °- - r \® Bev; \ Audic-V`su Aicrm 1 33b. �� ' 3 Cieanout r1 500 Galon Pre-Trash tank M 0 !cuWa er BNR-500 ATL Tank G 0 1,000 Gallon Pump Chamber irf Vcvc Co_trot Box hQ PAJIA joy J0NNSCN 0 ezPuus�9 i,;>��`cS�.b t 2'6 0 li 2'' tranWrt tir 90 J V0.1VC CWtrul„ Es) box With 1.75 Ilr "' 31111"1111111.1111111111.1 bell Valves. �� 3 "icon 1.25" LaKSaI a q' 05 ' s464r �� nve 5 Qtan ovt Tifical Tvical office �• (-too SQact n9 i0, e' ; •.., �� 51ec3<P }/ PgULA d0'/JOrN50N'�,Y%t "UC�Ff Et5midi Elt_fib{) ExPIFES 1 �- TONI Ctillekilen Per PIP 9} b fY Fair Fan _ _ Detailed Drainfield Layout i.I soot i' • 10 . - an. Y e b .j•1&e t.ts Wined 10 ' Cr o ID q ,. Dram 8 RodetUP p k ¢ �y�peyea En v E 3fi Lan 1451) 0 te 13 + E° ° rnfi aield Cross-Section View Mel To Sub Omni beroes a ID ins tap Raid Oa Mirk a a An Oea Qd M FJY of EaLLan. MC 0 ClPf�i pee n d Te b PK f►e na lMleei er TrerG� Arrow Septic Designs �, d;. C360) 898-2255 strin a5T Runtn „n 4tio __ • Length Length Orifice Distance from Distance from Lateral# (In.) (Ft.) Spacing Ori ices Feeder 3Line(In.) Cleanout0 3 (In.) 1 480 40 60 30 30 0 2 480 40 60 30 30 3 480 40 60 30 30 4 480 40 60 30 30 5 480 40 60 'Total Lateral Length 200 I I GPM = 23.6 Total#Orifices 40 Dynamic Head Calculations Selected residual pressure: 2 ft. Length (Ft.) #Orifices Transport Pipe 70 40 0.70 ft. Feeder Total Lateral Line Length Lateral#1 40 2 42 8 0.15 ft. Lateral#2 40 11 51 8 0.19 ft. Lateral#3 40 20 60 8 0.22 ft. Lateral#4 40 29 F� 6 0.25 ft. Lateral#5 40 38 �F7 / �,� 0.28 ft. Total Elevation Lift rs 1A),' 0 5.00 ft. Total Dynamic Head 8.79 ft. SECURED LID WITH GAS TIGHT SEAL - TfrREADEO UNION xrDIAMETER 4V ACCESS RISER , SERVICE FiNpx Duce S� min . — VALVE• . 0 jt Li' • — IC .ToofAwFWLD FROM c EMERGENCY STORAGE , ANTI INPNON ' �� VALVE! NK3N WATT ALARM LEVEL 444 moron. '- OFF LEVEL WORKING VOLUME I ' OGEP T • i I if FLOAT EMI y 'r/ �� I ENCLOSED PUMP "�y �° ... QEDRIEI/T SHROUD• `�ti - .CHECK VALVE• -r SECIVRs `-'[flI 1 I USM SMwaaLE ,f �•. + _ CENTRMUCIAL PUMP �i 5' s-oca�s PUYP CtUYBER io igENS b #-Si*N n :n I YPICV-1 AS NEEDEDSeptic Tanks must meet standards required by WAC chapter 246-272C and FIGURE 2 manufacturer must be on Dept of Health list of registered sewage tanks. pit I S V uWA non Publiotion#337-022 Page 35 of 65 7 . '34' • Bronze construction available(139 series) 137 j s High head version available(145 series) +ts,• ".... • Double shaft seal versions available for added protection on models 140/145. Flow-Mate Far more information,see Technics!Data Sheets FM2782,FM2783. In high head dewatering or effluent rt applications where Pumping saays performance is critical, this robust _- ,_ - 145 family of pumps is known for reliability, ` durability and performance. These ( pumps are especially suited for harsh •r _� , environments. Zoeller's cool run design cr11 I - C and corrosion-resistant powder coated '•- J epoxy finish add upto a long-lasting, - I I I If trouble-free product. m, I _ APPLICATIONS: a h • STEP or onsite applications - 1- m' • Water r , a Z • Light commercial dewatedng I I -Ij SPECIFICATIONS: �I' ' • 1-1R"NPT discharge _ ▪ HP through lHP U. MADE IN THE USA • Available in automatic or nonautomatic lsn6:IAGORm OISSOITH1 - • Model 137,139,140:1/2"(12 mm)spherical solids ' capacity with vortex impeller - s a " ` ` t ` ` Abyss • Model145:3/4"(19 mm)spherical solids capacitywith - "'I"' :rant vortex impeller 1151,; 1 __ �� s PUMP PERFO•i 'NCE CURVE • MODE �521153 Dose-Mate o etdtg..1e1A4 50 This is our fastest growing line of effluent 4- 45 153 I pumps,The 150 series is truly a workhorse ill designed for reliability under extreme is I conditions in an effluent environment. I 150 series pump curves cover a wide range _ as is of applications. They are well suited to and enhan ed flowS EP with Low rsystem essure.Zoeller's k a 25 '» Iappcati 'i ICI cool run design and corrosion-resistant, f) I powder coated epoxy finish, in addition o a— to the hermetically sealed, oil-filled motor is li and non-clogging vortex impeller add up to `- a tong-lasting,trouble-free product. . " I APPLICATIONS: elpitio;�� s • STEP or onsite applications .-./l A I ' MADE IN THE USA io xa at 4 50 ao vb as so IDo - Light commercial dewatenng 391MilmA1rt iF LLAIG! :LLONS SPECIFICATIONS: 11/Y' ai'j � 'o r e sso > NPT discharge CCv1 y' � ';R t= 4555 • 3/10 HP throwh112 HP £ � h • dA - Available in nonautomatic or with a variable level 6 E1 /,tv I./ t� •t 11-., piggyback mechanical switch • 1/2"(12 mm)spnencal solids capacity with vortex '- - , thermoplastic impeller .)2 f tip For more information,see Technical Data Sheet FM2784. ©Alt rights reserved. ZOELLER PUMP CO. 1502-778-2731 1800-928-7867I zoellerpumps.cam 9 1. .Y3dd Wc1t p."+ siN _NOSI 699L-L85 A9f) :%tl!899CL89 :�9£; :3NOV.d NCO 'A99E tlM'Otit1OGO 31LLW LUh XO9'Cd yse�l005 W9 . ac JNi JNI flJNlON3 >13 O 9 06 hZ _— S >_ itt �( \L ' , .F— '4 • III , i ' y_ !. z2 Y & p"'" g y Jaw cg ._ a / \ Ea 3 ^u' .KB li - ', i <G� N 3 z t _ S n` r t ' l' I DUAL TORT AERATOR-. I WATERTIGHT -. LU VDT:MP) I RISERS ITT') 1 II 21,[ 1 4 - 1 8 3 ( ' P13 1'PJG(`TF 1 iq MAX r 1 ^ 1 Z PI2Po.VPIE MASTIC ,, — 1 2'COUPLING a REDUCER o emm•PTImPAmsmola- I t I , Y TEE -. RCtiPVCELU '2• ERN UNENE Jy . TRASH CHAMBER -‘ DIGESTER CHAMBER I CLARIFIER OPERATING CAPACITY.all GALLONS OPERATING CAPACITY 421 GALLONS FLOOD CAPACrY.490 GALLONS I FLOOD CACTR MA GALLONS 1w CALISNS FLOP] 191 GAL SS' 7:A I I 1 SO' �• �. aE- I ��I ' --frr 11 FRASER EARS CZ ^ ] \ 1� 1Y 1 lit* � U ( Is) P RALEL TO TANK WALL � <. - {. SLUDGE RETURN 8t'I SIDE VIEW j // 'STARER STONE-FREE NATIVE SOIL OR COMPACTED SAND INSTALLATION INSTRUCTIONS OVER STONY SOIL 1)Excavate tank hole with vertical walls to 1 foot larger tan tank on at sides. 2)If bottom of hole is stony,install 3•of campa sand 8 Feve Y ,e out with screed — 3)Install tarac in carter of hole.keeping It void space on I - -- - —1I ail sides. lank i5 filling wet wafer,fill in void -•y. compact i t RV RISERS(TOP) a�sLowER . granular(sandy)soil tree of lay PAC t yeouslNG char 5)Install rest ofues to ada te . / �\ �^'roa OF A. system,8 attar risers to adapters wr•JI / / \ \ waterproof adhesive. 6)Perform watertightness test in field as repaired oy local <d ?)Upon n. I U 2-rmSER�I I])Upon approval to backfill,carefully backfill with naive I sods Over top of tank. 7RAS:+CHAMBER 'I CRGESTER IG'66rneE 8)Final grade the surface to avoid thanelfng surface 1 water toward tank - _--- TOP VIEW P4 AEROBIC TREATMENT TANK DETAIL FOR � �1 NuWATER BNR-500 TREATMENT UNIT ,� ENVIRO-FLO, INC. "�'+'�� 3/01/12 Wastewater Treatment Tachna'OgieR '1-�'^•..✓"'a P.O.BOX 321161,Plows-mt.MS 39232 (877)836-8476 (601)845471e fax scats. 1 rr = 1.4 ft. mp �(^1�1 www.envimfio.net V OLEIV - ___ ..... NuVllater __Al--4 CA v it4T .' ' •1%%,i Co, . 0 a410i I to ab I c - ,' i f 0 1:::: ......14:2) y 4,7 ".• I .,,-(D •-•.-- 1 14 cci,_® ri PARTS LIST NuWater NR Assembly Diagram A DUAL PORTAERATOR M.POLY 0FF.:SER EARri f..�' 5 3,It RUBBER 90•'NI CLAMPS 4 N.r'PVC,(2 I Z SECTION) • Yd'BARBED ADAPTOR Xi?NPT(T 0 "SLIP CAPY �L, D T SUP X 112'NPADAPTOR P PC'_EAR V HOSE OPIION.LS (�•W�/ _ ` �. • $TREE'X / NPT RUSHING 3) G 2"=VC PE D(INSTAL,EP �v • SLUSHY O : •_PTX(H EP • X XtOW EE(a) S 7 VC AR @ IN5.P1'E - ri 74 Y. 90 ELBDW(� y ..{{''gy�ppT B BARBE]ADFPTOR O 6NPTa, 2%1 RI 41NG , 4101,, ,....T j Q THE TX N-T JS!'IN3(2) A Cre I SANITARY SEE j (/ V 3 CODP EP 3 %.1'PVC CROSS PLEB(BY INSTALLER;. = 1"COUPLER(BY INSTALLEiq G`G4 tit JaW Revsed 2/25/12 9. 6ke I lt2vuuu Septic `, )eoign�s NuWater BNR Pretreatment :h LNSTALLATION& 'MAINTENANCE ' ` ; M Pressure Distribution Systems rk' i,9 ,""4: 'JlA JOY JOHNSON aqn /GR a 1. Install Laterals with contour of the round. IC4Pt2. Install trench bottoms level. 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 drainrockinative 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 wail. 11. Encase all water lines within 10' of drainfield 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. 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 a 1/8"hole drilled in the discharge pipe above the pump to prevent siphoning. 20. All transport lines under driveways or parking areas must be encased to prevent crushing. 21. Homeowner is responsible for all property lines. 22. Please Note: When you begin using your septic system, contact your septic installer to discuss setting up a schedule for your re. ed Operation & Maintenance on your NuWater pretreatment system. it lyN lei