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HomeMy WebLinkAboutSWG2025-00156 - SWG Application / Design - 5/27/2025 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584 SHELTON:360-427-9670, EXT 400 A 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: SWG2025-00156 APPLICANT PAULA JOHNSON* Phone: 360-898-2255 Address: 171 E VUECREST DRIVE UNION, WA 98592 OWNER EMPIRE HOME CONSTRUCTION LLC Phone: 360-751-8062 Address: P 0 BOX 241 KELSO, WA 98626 OWNER APPLICANT EMPIRE HOME CONSTRUCTION LLC Phone: 360-751-8062 Address: PO BOX 241 KELSO, WA 98628 Site Address: 2371 E Crestview Dr Primary Parcel Number: 320215401001 Permit Description: 3-bedroom new manufactured home Permit Submitted Date: 04/29/2025 Permit Issued Date: 05/27/2025 Issued By: Jeff Wilmoth Current Permit Fees Paid: $555.00 (additional fees may be requi-ed upon installation of system). Permit Expiration Date: 05/20/2028 (based on date of inspection) 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 Drainfield 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.govlhealth/environmental/onsiteloss-inspection-request.php or call: 360-427-9670, extension 400. OFFICIAL USE ONLYff U N T Y DATE RECEIVED:MASON CO C N AMOUNT RECEVED: RECEIVED II-� W t �-= Public Health & Human Services 1 I ►'�.� ° Environmental Health 360-427-9670,ext.4C0 or 360-275.4467,ext.400 SVVG (/ 0 I }p o 23 o 415 N.6th Street- Shehon.WA 98584 z U) ON-SITE SEWAGE SYSTEM APPLICATION › APPLIDANT 360 751-8062 0 z Empire Home Construction s c MAILING ADDRESS-STREET CITY STATE ZIP CODE Kelso WA 98626 m P.O. Box 241 21 -' SITEADDRESS-S'•REET CTY.ZIPCODE Shelton WA 98584 8 Iw 2371E Crestview Dr ro NAME OF DESIGNER PHONE ONE 898-2255 D Arrow Septic Designs, Inc (360) a CDNAME OF INSTALLER PHO`+E 0 I iv County Excavating (360)490-4133 - _ DRNKING WATER SOURCE PERMIT TYPE'sewc:one, O 5 PRIVATE INDIVIDUAL WELL CI PRIVATE TWO-PARTY WELL Z — WC RESIDENTIAL GSSi-1 COM'NUhTv CSS in COMMERCIAL OSS 17 PUBLIC WATER SYSTEM TYPE OF WORK;salecr ono, (n THEP, NEW CONSTRUCTION!UPGRADES rl REPAIR REPLACEMENT 0 c DETAILS;>e'xt en matapp%y) TABLE X REPAIR SUBMITTALS SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE co RirDESIGN FORM(REQUIRED) i�SEPTIC DESIGN 1REOUIREDI BEDROOMS LOT S:ZE WAS LOT CREATED AFTER 4/12025' O 3 BR .21 ac ❑ YES p NO 0 ]�WAIVER(S)(IF APPLICABLE) X O DIRECTIONS TO SITE AND SITE CONDITIONS (er!ockeatgate; Go out Hwy 3 and turn (R) onto E Agate Rd. Turn (R) onto E Crestview Dr. Destination on (L). Across from 21 E Cross Rd. Yellow sign: "Empire Lot 1" o O -4 0 SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I -1 OFFICIAL USE ONLY BELOW THIS LINE-- - — "" 0 UPGRADE:FAILURE SOURCE:for reponur.g purposes 0 VOLUNTARY ❑MAINTENANCE/PUMPING 0 BUILDING PERMIT 0 HOME SALE 0 COMPLAINT ❑OTHER I 1 COMMENTS r CONDITIONS INSPECTOR SOU.LOGS I V L� r(7 /v V•�L i V IIIIJJJJ i 3 3 q. _' ) L 1 RECORD DRAWING AND INSTALLATION REPORT SOIL CODES:V•VERY =GRAVELLY S=SAND •LOAM S•SILT C•CLAY E=EXTREMELY R•ROOTS R ECu:RED FOR FINAL APPROVAL INOpIR NATURE DATE APPUCAT..^,N E.>;PIRA.T!GN CATF ARP. -;Or 'PPPOVED'ISSUED 9Y CA-F (AM 520 42s 4,-2-o-?_e ' tA, 2-c)1 5 27-2 TH -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: 3 2 0 2 1 — 5 4 — 0 1 0 0 1 A design will be reviewed when 3 copies of each of the following are submitted: 4 Completed design form that has been signed and dated. 4 Scaled layout sketch.including all applicable items on checklist. 4 Scaled plot plan.including all applicable items on checklist. 4 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 2 o2 5- ob 114 Designer's Name: Arrow Septic Designs, Inc Designer's Phone Number: (360)898-2255 Applicant's Name: Empire Home Construction gn Designer's Address: 171 E Vuecrest Dr Mailing Address: P.O.Box 241 WA 98592 Kelso WA 98584 City State Zip Union, City State Zi2 Designers Email paulaj oncctc.com DESIGN PARAMETERS Treatment Device ❑Glendon CI Sand Filter 0 Mound 0 Sand Lined Drainfield 0 Recirculating Filter ❑AN NuWater BNR•500 U Other Treatment Level(check all that apply): ]A C,B M C ❑BLI BL2 E BL3 ❑E u N Drainfield Type ❑Gravit'. lit Pressure lifiTrer.ch 0 Bed 0 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 1.25 in Septic Tank Capacity(working) NuWater BNR-500 gal Number 5 Receiving Soil Type(1-6) 4 Separation 9 ft Receiving Soil Appl. Rate 0.6 gpd/ft2 Orifices Required Primary Area 600 ft2 Total Number of Orifices 40 Designed Primary Area 600 ft- Diameter 3/16 in Designed Reserve Area 600 ft2 _ Spacing 60 in Trench/Bed Width 3 ft Manifold Trench/Bed Length 200 ft Schedule/Class 40 Elevation Measurements Length header ft Original Drainfield Area Slope 5 % Diameter 1.25 in New Slope,If Altered 5 % Preferred manifold configuration used? lid Yes ❑No Depth of Excavation Up-slope 10 into native in Transport Pipe from Original Grade Cowr,-slope 8 into native in Schedule/Class 40 Designed Vertical Separation 13+ in Length 130 ft Gravel-based Drainfield Required? ❑Yes 116 No Diameter 2 in Pump Required? PS Yes 0 No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 4 Diff. in Elevation Between Pump& Uppermost Orifice 12 ft Dose quantity 90 gat Drainfield Squirt Height/Selected Residual(head) 2 ft Chamber Capacity(flood) Loop gat Uppermost Orifice Er Higher 0 Lower than Pump Shutoff Pump controls:Please check those required. Capacity,@ Total Pressure Head 23.6 gpm le Timer 0 6/apse Meter ❑v .vent Counter Calculated Total Pressure Head 16.39 ft If Timer: Pump on 2 minutes ,Pump off 6 hours Comments '}f Revised:4/14/2025 lavl MAY 27 2:.,::! Vc. MASON COUNTY ENVlRU.','H. _. JBW DESIGN FORM—PAGE TWO Assessor's Parcel Number: 3 2 0 2 1 — 5 4 -- 0 1 0 0 1 Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch Test hole locations 121 Drainfield orientation and layout Reference depth from original grade: fii Soil logs Et Trench/bed dimensions and Q( Septic tank critical distances within layout 6d Drainfield cover wri Property lines Iii D-Box/Valve box locations Reference depth from original grade ❑ Existing and proposed wells and restrictive strata: within 100 ft of property Et Septic tank/pump chamber ❑ Measurements to cuts, banks,and locations l2i Laterals,trench/bed,top and surface water and critical areas l2f Observation port location 0 bottom rtain drain collector ❑ Location and orientation of 6d Clean out location 0 Sand augmentation curtain drain and all absorption Et Manifold placement components 6I Orifice placement Other cross-section detail: 11 Location and dimension of Et Observation ports/clean-outs B( Lateral placement with distance primary system and reserve area to edge of bed Other Information 66 Buildings Et Audible/visual alarm referenced Yes No Pi Direction of slope indicator NI Scale of drawing shown on scale It 0 Design staked out Eil Waterlines bar ❑ et Recorded Notices attached lil Roads,easements,driveways, 0 Elevation benchmark and relative 0 ft Waiver(s)attached parking elevations of system components Ig 0 Pump curve attached ❑ et Evaluation of failure 10 North arrow and scale drawing A shown on scale bar Non-residential justification P 0 (�Waste strength El Ili Flow D ::1",* .fiW AL The undersigned designer must be notified r. e• ., ,. - obi .• •ation Yes 0 No �M! . • 7. �' 3y c f-Z5 -LJ Si natur,, !• :'f! l_ bl= I Date ezai�s ba3iW- 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- ' egulations: Z1-ZS Env' on nt 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: ./ ✓24-Z6 ✓ 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 o he Mason County Web site. Revised:4/14/2025 MASON COUNTY PPIOVE z ' MAY 1 l 2025ii , ENVIRio ONMENTAL HEALTI V r P m I O z ` \ • a < O I o: • L: L.9 W ` rKFOMQia I0r - wO Z - o 1 I o liz iI Q \ q'�j i 0 -- 5 � ti • 13 se � i o ' -r. '1S-Wti,N = c VQIa s O =a �_. a-y-1a o V �p (',Ig Z• 0. �IF/ 'z1u z ` 2 Z. r x I m oU ! Wr ui a J � = z o > In g�Yto o 4 F V i •ljc�; ! V it Q '' J o a o IF 2 `,:: 2 CI " z , ! c CC' 1 n v � Koo `i z ' f - n ! 1• I N mc „r= lzN C W v.".,o ;b.+� 73 W � o I oW 4 a , o N = 1 , x u a --;� ZXQ O; Q 41fmz `u as z Y a W4, _ QtiZ FQ '.J . 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Audio-VISual Alarm \ L i C1e2-''_oL't f ' n 500 or re-Trash t:tank v 11 '4- to �J;�c'i v'veea� '•.mvtote-� SN ?- 9 0 p 11 ; ►"'4' n \uWater 3NR-500 ATU Tank :"; i �1 1,000 Gallon ?tamp Chamber •y� • e Zzg' A U ` ^� fi 0 Valve Cc*:zrol Box y .t ✓}ee...%G L Z.°✓A e;/i •1 L-J N7. F9J,)h -, • -eK' pAULA J C J OHNSON / q -vrt-ts- PPROVE ., i MAY 27 ?(12`► 3 d F MASON COUN'v ENVIRONMENTAL HE,-kt..Ii JBW 40. 111 el Valve Control Box with 1.25• Boll Valves 0 , 3. f II . u 9. 2' Trcnspart LYte i'l O e 1.25- Feeder Lines 6 Typical Cleonovt o e..40h / 30 1.25' Lctercl Typical Observe ion Port C�� I I I 1 1 I ,• _1.1 so* !...0.__ 01.11t/ot ,i h \ P��N rypiccL pN ••`- 5 1Egv47)0n� onicfti�L/FINAL, &RADE tailed Drainfield L.ayo QD(ZT (% Scale: 1' • to' ,i„, 1:to 72. 7_1,,Ft./ 0 10 20' Dl s 1' 1'-I04 I C Sandy i�p 7—Filter Fabric DisT-ueseD 3.4' to 2fe (5) 40. 1 .25" Sched. 40 _cteral: ',12.Ep 2-t'2' �- C — 1.25' Lateral Io`'1t1+o (8) 3/ 16" Orifices ® 60" O.C. $ Drain '�0.�vQ — Y Rock — 6' na-�\44- Per Lateral. 1st 8 Last Orifice So i y I So'I l y f 30 ' From End of Trench 36' 11' • f/ Screw-On Ctp 13+ 45 Degree Elbow j, Restrictive Layer End of pith Lob!ral Drainfield Cross-Section View \Ib41 Detail - Not To Scale CleanOut Note: Cl.onout to be from 0 to 6 inc xs below Rafe: 0 • Observation Port Finished Grose. Mark ends with Reber. Clem Out To Be 4' PVC Pipe from Bottom of Trench R v. �J. Required at the End of Each Lateral. To Finished Oracle. Removable Cap shall beifi � t Installed on Observation Port Pipe. Archer r tie On Bottom with Glued-On Tee. �'°�tv : 4 t.. f Arrow Septic Design . .0 Minimum of 5 Total Requred it System t,., •).; ,,. 5160349 4 C360 ) 898-22_ 5. 0 PAULA JOY JOHNSON 4 0 EXPIRES r SI15 Length Length Orifice # Distance from Distance from Lateral# (In.) (Ft.) Spacing Orifices Feeder Line(In.) Cleanout(In.) 1 480 40 60 8 30 30 2 480 40 60 8 30 30 3 480 40 60 8 30 30 4 480 40 60 8 30 30 5 480 40 60 8 30 30 Total Lateral Length 200 I Total#Orifices 40 I GPM= 23.6 Dynamic Head Calculations Selected residual pressure: 2 ft. Length(Ft.) #Orifices Transport Pipe 130 40 1.30 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 69 8 0.25 ft. Lateral#5 40 38 78 8AROVE 0.28 ft. PP f Total Elevation Lift 12.00 ft. r 4 '' 16.39 ft. Total Dynamic Head MAY 2 7 2025 .it�' . .HEAL, SECURED UD WITH GAS TIGHT SEAL THREADED UNION • 24 DIAMETER ACCESS RISER SERVICE FINISH GRADE — VALVE° j • r , FROM SEPTIC • • TANK iI A r--+TO ORAWFfELD II 1 ■ • ---N-- - 1 . 1 if EMERGENCY STORAGEI II , ANTI SIPHON VALVE° HIGH WATER AL. M LEVEL ---.---► i -- NORMAL H O LEVEL � WORKING VOi°ulil> f -I FLOAS T FOR FLOAT ram' ON QED PUMP J T. V/ SEDIMENT SHROUD• � CHECK VALVE° FgE ;: I mil° I , • `^ ammeters .. i is-Ti: 1 4 ' :''?} PUMP s,eYJO ti� P'tJYP QNAMDE.l r G I' A JOY JOHNSON ' ` (,►�,�� l.ltr8:pl:sicN> a- ���V �� _ 'AS NEEDED Septic TanksEXPI`"Ys eet standards required by WAC chapter 246-272C and FIGURE 2 manufacturer must be on Dept of Health list of registered sewage tanks. WA n01-I Publication#337-022 Page 35 of 65 • 7 5 oF °l J • Bronze construction available(139 series) • High head version available(145 series) • Double shaft seal versions available for added protection Flow-Mate on models 140/145. For more information,see Technical Data Sheets FM2782,FM2783. In high head dewatering or effluent applications where pumping o performance is critical, this robust 7- , i i., PPNPERFOFAMNCECURVE family of pumps is known for reliability, Aaotl'31n'o"`5 durability and performance. These l4 ”.• " ,■■.■.■■■■ pumps are especially suited for harsh f w. « , �■■■■ environments. Zoetlesista r',cool run design ?� ■, RR• U.. C ando y corrosion-resistant,add up to powder coated 4 .'■.■■■■.■ • epoxy finish add up to along-tasting 3 trouble free product. 4- �u_-,•�����. v� APPLICATIONS: 1 a ,A■.■.■� m • STEP or onsite applications 3 „_ k ••,,,■��.1� if • Water transfer „ .��`����� C • Light commercial dewatering 1111111111,111111111111 MI SPECIFICATIONS: „ IM'E'..,E■■ • 1-1/2"NPT discharge 4,... .■.■��'.'.■• 1/2 HP through 1 HP - .■■■■,��■. MI6 MADE IN THE USA • • ■�■.,'m,■ • Available in automatic or nonautomatic IRRYII@Sp • Model 137,139,140:1/2"(12 mm)spherical solids ..■■■11■■11® capacity with vortex impeller ' i • r a • Model 145:3/4"(19 mm)spherical solids capacity with M . C< 1X vortex impeller r' _ v, v IN/At-ewe _ ___) PUMP PERFORMANCE CURVE Dose-Mate I 50-4 MODEL 151/152/153 This is our fastest growing line of effluent 1� 65 153 i pumps.The 150 series is truly a workhorse I designed for reliability under extreme 12 ao I conditions in an effluent environment. I 150 series pump curves cover wide range 35 152 of applications. They are well suited to 0- applications with low pressure pipe(LPP) ft 30 and enhanced flow STEP systems.Zoeller's b 8- 25 151 i cool run design and corrosion-resistant, Q powder coated epoxy finish, in addition ' s-, ao 4 to the hermetically sealed, oil-filled motor I I and non-clogging vortex impeller add up to a- t5 a long-lasting,trouble-free product. 10 I APPLICATIONS: .50^ :z..... . • STEP or onsite applications ...•••-•-.10..i...../.."77, • Light commercial dewatering MADE IN THE USA 10 zo 3o ao 50 Eo 70 30 93 1d0 u311 t L& NPIFL'it Ek' GALLONS, SPECIFICATIONS: LITERS u 20 ao 1;0 160 )co AD Osc 3;0 3SC • 1-1/2"NP1 discharge FLOW PER MINUTE • 3/10 HP through 1/2 HP • Available in nonautomatic or with a variable level piggyback mechanical switch • 1/2"(12 mm)spherical solids capacity with vortex thermoplastic impeller For more information,see Technical Data Sheet FM2784. ' .• ©All rights reserved. ZOELLER PUMP CO. 1 502-778.2731 180 8-ilk mEll ,, ' 9 MASON COUNTY EN`IIRONPlIENTALHEALTH IIIIII — e.-2" DUAL PORT AERATOR WATERTIGHT L:D VENT(rip) I RISERS(TYP) \\ 7,''r-I-- , 1 ?I 1'PVC,^YP; ._� �._____,36•MAX. tAIRLRIEI� �ct-- \ J 1 11 4• i j ^� r COUPLING lc.\ ( I d REDUCER'--� 6• r TEE .1"Pvc SLUDGE 4 II 1r RETURN UNE 1 2•PVC JJ ! �/ DIGESTER CHAMBER CLARIFIER TRASH CHAMBER OPERATING CAPACnY:417 GALLONS OPERATING CAPACITY. GALLONS CHAMBER I FLOOD CAPACITY:490 GALLONS FLOOD CAPACITY:494 GALLONS I I 180 GALLONS : FLOOD':91 GAL. Br ; SS' II SO" • 54= T PPR � � � e o e C ,•Xt,�. 0 TEE o 0 o n MAY 2 7 2025 55 .' MASO V COUNTY ENVIRONMENTAL HEALTH �� tr ! • "DIFFUSER BARS(2: \ O PARALEL TO TANK WAL: 4. .: � J 1-- \ ., I \ r �� SLUDGE RETURN — , j // 1.5'TAPER SIDE VIEW 1-=7.4 r_ STONE-FREE NATIVE SOIL OR COMPACTED SAND I INSTALLATION INSTRUCTIONS OVER STONY SOIL 1)Excavate tank hole with vertical walls to 1 foot Larger than tank on ail sides. 2)If bottom of hole is stony,install 3"of compact sand&level �' — a-r out with screed. __ _ _ —jc 3)Install tank in center of hole,keeping 1 ft.void space on I 1 — , i all sides. I 24.RI ypl 24"BLOWER\ 4)As tank is filling with water,fill in void space with compact ! I SIN oL 4 granular(sandy)soil free of large clumps of clay. I jp 5)Install rest of system,&affix risers to adapters with waterproof adhesive. I !I I I 4-r unsdiotion. K__ ,// Perform watertigh Hess test in field as required by local 1 I r RISER 7)Upon approval to backfill,carefully backfill with native I i I I soils over top of tank. IDiSfiliediNdfig8 1 RIfiFSIP.B 114{e9ffESI 8)Final grade the surface to avoid chanelling surface L _L _i• __J water toward tank. �� /MAIN "=282 , o ;,t . AEROBIC TREATMENT TANK DETAIL FOR _• NuWATER BNR-500 TREATMENT UNIT 7.,.7.,-;.: . Vilio.,.. %" ENVIRO-FLO, INC. RE`ASED• ao : Wastewater Treatment Technologies 3/01/12 `:-`'~•.--r ::.-.,,`"` '�' P.O.BOX 321161, Flowood,MS 39232 6-8476 (601)845-4716 fax SCALE: (877)83 rr-r'" www.enviro-flo.net 1 = 1'4 —1 OF 1 I 000.. I INIAchea.-NccrilLillHf1�/1/ater\ ufrnont Sy�tmrr�:.IIv £nvi.c-f�to.lnc �I 1 I ii .�-- =� ,� _!. ' .....4, 401#""'"1111,,,•,... 4,.3 % ---. ,,,, 0-1 ] ,....s. , imi410. ,,,-Ft-. „ r !I 0-4 r' q' sti..'s Ili >NO T/ �� I ' ti << << 4 f. , 400;•• "T"' alb 41) Ic® � trip FC (a elP et, la VelP Mk /pi Wfo '''. .n OLZ-0 0 44111) [i , 1110 .. I PARTS LIST NuWater NR Assembly Diagram I I A DUAL PORT AERATOR M.POLY DIFFUSER BAR(2; _H 4a IL B.3/E"RUBBER 90°Wi CLAMPS(2; N 1"PVC(2 1 2"SECTION) C.3/8`BARBED ADAPTOR X 1'2"NPT(2; 0 1"SLIP CAP D.1/7'SUP X 1/2'NPT ADAPTOR eaP 1r8"CLEAR PVC HOSE(OPTIONAL 5'; A ‘ E. 1"STREET X i 7 NPT BUSHING(3) 0 1/2"PVC PIPE(BY INSTALLER; `--0 c uT 90'ELBOW(3) R.l'PVC PIPE(BY INSTALLER) 10 L G.1"X t"X 1 2'TEE S.T PVC PIPE(BV INSTALLER) ..1.".? dr'. -I 1"90°ELBOW(3) T.1/S"BARBED ADAPTOR-0 1/4'NPT(2) 2 X 1"BUSHING J.1/2"STREET X 114"NPT BUSHING(2) 2 SANITARY TEE I- V 1%Z"PVC COUPLER(2) < 1"PVC CROSS W 2"COUPLER(3Y INSTALLER: _ COUPLER(BY INSTALLER; Revised 2/25/12 IOf9 a rear Septic re.si 'L3, 3nc. "' •eic-'� -* NuWater BNR Pretreatment ,..�'°,' INSTALLATION & MAINTENANCE ti 1.. Pressure Distribution Systems %`? 5100349 1'��L'iCE7JS JOY�HNS 1. Install Laterals with contour of the ground. ,`"Ex ., ;•••_ 2. Install trench bottoms level. c.{L9 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,contact your septic installer to discuss setting up a schedule for your required Operation& Maintenance on your NuWater pretreatment system.