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HomeMy WebLinkAboutSWG2025-00396 - SWG Application / Design - 9/30/2025 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584 SHELTON:360-427-9670,EXT 400 ein, •: 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: SWG2025-00396 APPLICANT HASH SKIP ATHOW &JOANNE FAITH Phone: Address: PO BOX 1239 HOODSPORT, WA 98548 OWNER HASH SKIP ATHOW&JOANNE FAITH Phone: Address: PO BOX 1239 HOODSPORT, WA 98548 SEPTIC DESIGNER PAULA JOHNSON* Phone: 360-898-2255 Address: 171 E VUECREST DRIVE UNION, WA 98592 Site Address: 21 N Sun PI Primary Parcel Number: 422142490104 Permit Description: new 3br pressure Permit Submitted Date: 09/30/2025 Permit Issued Date: 10/15/2025 Issued By: Jeff Wilmoth Current Permit Fees Paid: $555.00 (additional fees may be required upon installation of system). Permit Expiration Date: 10/09/2028 (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. 1 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.govlhealth/environmental/onsiteloss-inspection-request.php or call: 360-427-9670, extension 400. OFFICIAL USE ONLY MASON COUNTY DATE RECEIVED: bq 3o - Ga.5 cn C � al AMOUNT RECE!V6�65 RECEIVED BY: 07 CA ------- Public Health & Human Services De4DVOF 44042, 2 rcill Environmental Health 360-427-9670,ext.400 or 360 275-4467,ext.400 S W G .6D..5 — C)O 3q/ Cl) Q 415 N.6th Street-Shelton,WA 98584 (�It[`0 Q Z U) ON-SITE SEWAGE SYSTEM APPLICATION m n Am P?_cCANTPHONE I- Skip Hash j /1 (360)790-9538 C MAILING ADDRESS-STREET,CITY,STATE.ZIP CODE \\ / CO _`! �, Hoods port WA 98548 CO P.O. Box 1239 P • S'�TE ADDRESS-STREW.CITY,ZIP CODE r��/[/) O ` Hoods port WA 98548 14' 21 N Sun Place \�� �, N p NAME OF DESIGNER PHONE I N Arrow Septic Designs II- (360) 898-2255 NAME OF INSTALLER O PHONE a I N PERMIT TYPE(select one) DRINKING WATER SOURCE O IiE RESIDENTIAL OSS b COMMUNITY OSS E COMMERCIAL OSS E PRIVATE INDIVIDUAL WELL IZ PRIVATE TWC-PARTY WELL Z 1 - TYPE OF WORK(select one) I7 PUBLIC WATER SYSTEM I gNEW CONSTRUCTION/UPGRADES E REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) 0 TABLE X REPAIR I N SUBMITTALS 0 SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE 170JDESIGN FORM(REQUIRED) Ii LSEPTIC DESIGN(REQUIRED) BEDROOMS I LOT SIZE WAS LOT CREATED AFTER 4/12025? 0 I EWAIVER(S)(IF APPLICABLE) 3 BR I 1.26 ac ❑ YES p NO 0 I I DTIONS fen.iccked gate) HeadS out To TUS-101E AND SITE QN'ramp toward Port Angeles. Turn (L) onto N Lake Cushman Rd. Turn (L) I O onto N Suncrest Dr. Destination on (L). Turn (L) at tree: "21 25 UPS". First driveway on (R), o I "21" on tree. -1 10 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) 0 VOLUNTARY 0 MAINTENANCEPUMPING 0 BUILDING PERMIT 0 HOME SALE 0 COMPLAINT 0 OTHER: INSPECTOR SOIL LOGS COMMENTS/CONDITIONS J4L4/3 34 (- ^'LS 1f Li 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 FINALAPPROVAL. IN TOR SIGN URE DATE APPLICATION EXPIRATION DATE CL TION APPROVED/ISSUED BY DATE TH FO 7 Y BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025 DESIGN FORM—PAGE ONE Assessor's Parcel Number: 4 2 2 1 4 — 2 4 — 9 0 1 0 4 A design will be reviewed when 3 conies of each of the following are submitted: v 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 a 5-,.Cp3CPpDesigner's Name: Arrow Septic Designs, Inc Applicant's Name: Skip Hash Designer's Phone Number: (360)898-2255 Mailing Address: P.O.Box 1239 Designer's Address: 171 E Vuecrest Dr Hoodsport WA 98548 City State Zip Union, WA 98592 City State Zip Designer's Email paulaj@hctc.com DESIGN PARAMETERS Treatment Device ❑Glendon ❑Sand Filter 0 Mound 0 Sand Lined Drainfield 0 Recirculating Filter Cl ATU LJ Other Treatment Level(check all that apply): 0 A ❑B ID C 0 BL1 C BL2 ❑BL3 ❑E 0 N Drainfield Type ❑Gravity fi 'Pressure Trench 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 38 ft Daily Flow:Design Flow 360 gpd Diameter 1.25 in Septic Tank Capacity(working) 1,200 gal Number 4 Receiving Soil Type(1-6) 3 Separation 9 ft Receiving Soil Appl.Rate 0.8 gpd/ft2 Orifices Required Primary Area 450 ft2 Total Number of Orifices 32 Designed Primary Area 456 ft2 Diameter 3/16 in Designed Reserve Area 456 ft2 Spacing 60 in Trench/Bed Width 3 ft Manifold Trench/Bed Length 152 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? WiYes 0 No Depth of Excavation Up-slope 11 in Transport Pipe from Original Grade Down-slope 9 in Schedule/Class 40 Designed Vertical Separation 25+ in Length 50 ft Gravel-based Drainfield Required? 0 Yes e No Diameter 2 in Pump Required? El Yes 0 No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 4 Diff.in Elevation Between Pump&Uppermost Orifice 8 ft Dose quantity 90 cal Drainfield Squirt Height/Selected Residual(head) 2 ft Chamber Capacity(flood) 1,000 gal Uppermost Orifice 61 Higher ❑Lower than Pump Shutoff Pump controls:Please check those required. Capacity @ Total Pressure Head 18.88 gpm (if Timer 0 Btapse Meter x ❑vEvent Counter Calculated Total Pressure Head 11.11 ft If ' er: o r i' l i r off 6 hours Comments • ocT 15 202�i s s MASON WW1'CtdVIRODI�D�N T�L r"r Al i` 1r� J3W Revised:4/14/2025 DESIGN FORM—PAGE TWO Assessor's Parcel Number:4 2 2 1 4 — 2 4 -- 9 0 1 0 4 Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch t Test hole locations g Drainfield orientation and layout Reference depth from original grade: g Soil logs g Trench/bed dimensions and lg Septic tank 6Q Property lines critical distances within layout g Drainfield cover ❑ Existingand proposed wells D-Box/Valve box locations P P Reference depth from original grade within 100 ft of property g Septic tank/pump chamber and restrictive strata: ❑ Measurements to cuts,banks,and locations 6Zf Laterals,trench bed,top and surface water and critical areas g Observation port location bottom ❑ Location and orientation of 91 Clean-out location 0 Curtain drain collector curtain drain and all absorption g Manifold placement 0 Sand augmentation components gf Orifice placement Other cross-section detail: g Location and dimension of Lateral placement with distance g Observation ports/clean-outs primary system and reserve area to edge of bed g Other Information 0 Buildings g Audible/visual alarm referenced Yes No lid Direction of slope indicator g Scale of drawing shown on scale L� 0 Designstaked out 0 Waterlines bar 0 [ 'Recorded Notices attached g Roads,easements,driveways, El Elevation benchmark and relative 0 g Waiver(s)attached parking elevations of system components g 0 Pump curve attached Eg North arrow and scale drawing 0 l 'Evaluation of failure shown on scale bar y,, Non-residential justification p t 0 al Waste strength ;4 :�}}3 0 [Flow r r OCT 5 j�11 < DF,gI41 Al F AL ;\I > ECi\fieMO Iiiint4sf-t e notified by ' et of ?' ation g Yes 0 No 0,' PAULA JOY JOHNS,1N ..J.sf� [ Z4—ZS Signature 8rt)68$10W �} Date ao;Res 6sri si 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-si gulations: km L,11\11`-iA/ Enviro eHealth 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: /D — 6 �2K ✓ 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. Revised:4/14/2025 a . • . , • •. L.-- . ,x4 .' . ' .. „.. ! 1., 0 • , %1 lit zu. s w.f4):g- > '• >6 j(. . a4 V' '-. '-'••;, CC _3 r2 w Cd § w 5(— 3 • L... , . • l' • , cks it' iii •••. '.ekt _ !". .;i: -,, ce ‘ ,tit . I 4 X '' .0.1j (n W Z 4 Z & -I.,e i e i e i//,e,f.01,4,0,,..••,....•"7 =1.1 .4-• 1 IN _... • Ni. 3 ° (2) CO z C'"• "' Ca ' •4e4) IZ' s1C(7‘li-/Z1 & § F.) o Et' 'A* .... ,... vl :tok-11, ti.IL LLI 4 kt, 2 t al ‘' alla..t v i • . 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' • • ;•: ..•1.2 3--. , •r--)1)\.'•,• ,• 41/1,4.411i i.:..,.:...,.•1I.ib.1.l3..It T-ig.-2v%0,<,,eNs 1• la 4g., 0 • . . . 1 rc,9Ii4 itbOst%zta,1E *: •.,,.•i.•. . 4. ...., 0. i *....,....tik.4311.) . .".. \ : • 11 . cz.0 t>-... SSZS...„ ,.. , c.:.a E.,. ' i , - j - • .„-. to . . v., , .1......\ . - \-- \ 1 s‘s-its) ,c- ri • I- ', !! ‘, .. : , 06-„- ) . , z ,,,,„1 .:., ' •, --, , - iz ,lr-IP '-i•U.1 i. i Ii:jEcr 'V ,K- 2tqc ...• ,•• 2 t, -t, _ _ .______ • , \ 2q61 . 2-q ' 1 1 , ,-AFC p CA- ` `(. L/ ' FiG)kMA k. S`. sLDPE 1 D. -S{�r�1�L S I I / ht/ f i o . G to t-nt s VJ E_ / / ti �� N B- - - t J � / / A i :� moo.st• fir I 0 / S __ k\ ,,,, ,� S:':'a9 1 tt.o, .:,•:1.;: .... PAULA JOY JOHNSON .: 1 _ — -^ �' (�( - its N$� baitNEfI t �_ l� (-s 1-VI-7_,5- ®©1 4 o ss,'b Le- —� L - 1 \ . srlre, 1 \ \ . \ ic, a . OZ ` 5-r t oLf p „o a o b 8 a 4-1 '. D—3 to,, G R u L o A-r�-t Sf�Nb rt- e' 8 Ts) PLAT ?LAN 36-4�d°&�ELL� p-tED �fNND �" � 5 -(9O ? C.EL44Z2l4-24 — 6-1'010f tk•-2 i 0-5(," G Ls -k- rzooTs) 3G-54:7" �12..n �. 21 NI So Pi-PEE GRptueLLi ►� flruM 51\�D) SEMI - 3 Sb- cak" F1Ne. sANDi 5 1`{-1 - ce'o^pftcT 1}OoDSPDRT3 ( 98545 : p _ 4o " GLS-k- 26oTsA -(moo"\IGMS) 5 .,,-t.\- c ou--t-PPcT seo: **Note to installer** Audio-Visual aia-m Sleeve waterline when within 10' PPR Cleanout of septic transport line. Maintain {`., , ,,; 10' minimum between water t C 12oo Gallon septc ink �ti line and septic tanks/drainfield. 2-Compartment with OCT 1 5 2025 Y went Filter MASON COUNTY ENVIRONMENTAL HEALTH loon Gallon Pump Chamber S l/ J 13W 3 Valve Control Box dive Control Box with 125- Ball Valves 111111 J. S. 1.25 .: ���yQ;cul cl�earlocr+ '''v'S • 6 -ry Q i c u l O bSfr va tco✓1 J 'or+ • e. 1 f y • 1.2s' Lateral I I Q 1 1 .. I 60 It- "T - At t • ___,,..., r4 4 of r4+b (n,,r. yi-A :-( • •5 n319 ,), .«�• PAULA JOY JOHNSON �� Detailed Dramf field Layout -'`4 1.TO $� PsglOiN1 _ _', Typical Observation Port EJ(PIR�S ri.st oo_. __._ - 10 �SJJS Scale: N`� Final Grade q 0 0 10' 2 to 12- COuR/ Filter Fabric ¢ILL 09.,1(vINfli(>kRP% (4) 2$1 1 .25•' Sched. 40 Laterals 3.4. to Z ��9 2-1/2 5 „12 Lateral \� (8) 3/ 16" Orifices C. 60 O.C. Drain Per Lateral. 1st & Last Orifice • �°`k J^ 6‘' / fig" From End of Trench 36. l� Screw-On Ccp '"111 u+ 45 Degree Elbow Lateral Restrictive Layer End of Delon Drainfield Cross—Section View Jetaf - Clean Out Not To Scale Note: C!eanout to be from 0 to 6 incles celaw Finished Grade. Mark ends with Reba'. Clean Out Note: 0 - Observation Port To Be 4 PVC Pipe from Bottom of Trench Required at the End of Each Lateral. To Finished Grade. Removable Cap shall •. ppg © ,� yInstalled on Observation Port Pipe. Anch• ri �1 s $. Arrow Septi ., esionS On Bottom with Glued-On Tee. :tilt a Minimum of 4 Total Required in System OCT 1 C 2625 (3 6 0) 8 9 8— 2 2 5 5 zt-ai" MASON COUNTY ENVIRONMENTAL HEALTH JBW Length Length Orifice # Distance from Distance from Lateral# (In.) (Ft.) Spacing Orifices Feeder Line(In.) Cleanout18 (In.) 1 456 38 60 8 18 2 456 38 60 8 18 18 3 456 38 60 8 18 18 4 456 38 60 8 18 18 'Total Lateral Length 152 I Total#Orifices32 I GPM = 18.88 Dynamic Head Calculations Selected residual pressure: 2 ft. Length (Ft.) #Orifices Transport Pipe 50 32 0.33 ft. Feeder Total Lateral Line Length Lateral#1 38 2 40 8 0.15 ft. Lateral#2 38 11 49 8 0.18 ft. Lateral#3 38 20 58 8 0.21 ft. Lateral#4 38 29 67 8 0.24 ft. Total Elevation Lift 8.00 ft. Total Dynamic Head .f 11.11 ft. J; . , : 'lksi ‘I'l ' Di()349 IZN y.4: PAULA JOY JOHNSON .?� f i_tG Sl nrSiGNEll** `L''� Ex aEsxP -sviOS�^s_ .� coY-Z -ZS �t: A PR 0 LIE }j S0NcoNNTYENVI� 20?5 � ,}�` 5 JawNMENT4t fig 137, 139, • Bronze construction available(139 series) ifti High head version available(145 series) :- • Double shaft seal versions available for added protection on models 140/145. Flow-Mate For more information,see Technical Data Sheets FM2782,FM2783. In high head dewatering or effluent applications where pumping performance is critical, this robust Itr PUMP PERFORMANCE cuRVE La3E-137n40n45 family of pumps is known for reliability, durability and performance. These fi '������:� pumps are especially suited for harsh • . � :,■■■■■■■■ to environments. Zoeller's cool run design u ■,.■■■■■■. C and corrosion-resistant,powder coated g II epoxy finish add up to a long-lasting w_ .■,,.�■���� VO trouble free product. • ` ' ," ■■■■ EMN m APPLICATIONS: d I�,�,� �� ��� m • STEP or onsite applications 8 IIIMI`a■•■■• C • Water transfer '° p ����,���■■ rn • Light commercial dewatering ,_ 0, �.��i amUU 2 —I .,...,............ SPECIFICATIONS: 6,, �— ,, ■■nai"'�� • 1 discharge w „ ■�■■",`■■ • 1/2/2 H HP through 1 HP MADE IN THE USA • Available in automatic or nonautomatic 10 ■■.■■"■',■ l'S16 A YAJOBm Uf UI corE6: ■■■■■®■.11® • Model 137,139,140:1/2"(12 mm)spherical solids ° m n ,° a ,� capacity with vortex impeller CALLPS r • Model 145:3/4"(19 mm)spherical solids capacity with Rw�••.°_: s:a:a vortex impeller 151 152 N -- PUMP PERFORMANCE CURVE ,.` MODEL 151/152/153 Dose-Mate • so -- -- i This is our fastest growing tine of effluent 14— as 153 pumps.The 150 series is truly aworkhorse designed for reliability under extreme 12— ao conditions in an effluent environment. 150 series pump curves cover a wide range -- = tp_ 35 152 of applications. They are well suited to 0 30 applications with low pressure pipe(LPP) > $_ s1 and enhanced flow STEP systems.Zoeller's o 25 cool run design and corrosion-resistant, 0 6_ zo powder coated epoxy finish, in addition to the hermetically sealed, oil-filled motor 15 and non-clogging vortex impeller add up to 4— a long-lasting,trouble-free product. 0 2 APPLICATIONS: s • STEP or onsite applications % e MADE IN THE USA 10 20 30 40 50 60 70 80 90 100 • Light commercial dewatering istEAWUORIIIOfLIMIT GALLONS LITERS 0 BO 200 240 280 320 360 SPECIFICATIONS: op ii6ON �MI p�e5ob • 1-1/2"NPT discharge �F^ '` ' • 3/10 HP through 1/2 HP • ) : '. • Available in nonautomatic or with a variable Level a piggyback mechanical switch MASO OCT 15 2025 ' �-, N ,r • 1/2"(12 mm)spherical solids capacity with vortex COUNTy ENV�RO thermoplastic impeller NMENTAL pF,,1-, For more information,see Technical Data Sheet FM2784. Ji 4¢l.� -H_,- ©All rights reserved. ZOELLER PUMP CO. 1502-778-2731 1800-928-7867 I zoellerpumps.com 9 19 V R. . .--_. - -•••-••'''' - _ -7----------. -------"_..---••••- --=•:•-7••:.:•=•••-•:-•=-- , -----„----------.... —:,_:____ i 1 1 - 1 1 MOM ; sgailW i.,5051,-vr'r"..,5A5 roirt-T wsk\ \ \ 1 i , AceEss mom '-' - i \ ' --------------. I 1 - . ----- _—..—_ ---------=.--- i : .--____•.-- ---_ 7..=_------------=-----_ _.--- : i ' _---- ____---. I : ------- ___________ , i — ,- ,.. , i 1 — \ i -: ..„: 1:—. • : ?-- 17.; 1 , ro,,—i.,-T.--, - ,--- i , •----:_, PUMP I : : „...., ---- ----- 1 1 ..----. • =-.---,------:-7-1 I - i i , ; • • I , I , . 1 FRC*SEWAeg 1 i 1 naevie t4AT 1 i i 1 i t i WU= i 1 i i ...... 1 1 i 1 i 1 1 1 1 i I i ; '•"";. i i 1 1 i 1 1 i SED:iterrS i I 1 i......... .. .r.,., ' l't• "' '. i 4W115°- SMINLV i : c i 1 , ; 3 1 I i- ---. t i : t g - ; • i i •:=, . i EcUjialT Mral i i • 1 • 1 I 1 . 1 :-;-.;..-.-•.-•,-- --------'--- -"''== i . 1 &LIVE i ; - : 1 • . ,. ... z1 ; i 1 i I .,..17.as?. • 1 iir.:z=a r;i 5 17-• •i-1 ;;Sk'..=; 7- r.:=-;%- si== -24: N.AMET i ACC:235 igaigg i'• ; , 1 i i Mai MADE N., i Vtilif z : . . - 1 — 7"°"-:/ —. •is , 1 i E.. 1r I .- I I i MOM SEP= TANK r------, 4-4; ' 4.....-m...-p-- f 1 ; f . --f, ,I., 7---4-7O DRAINOWELD 1 i I i • - 4 ii: <wr 1 I I i 6rg--. M`StsZt01 :-5>fig . • i i 1 .• i i : .a.itil MIPS= 1 lieraf WATER.ALARM-1.71E. -4101511 --------- • i 1- F i VALVE 2 i i • F • 3 t i A --(-- , • a NORMAL nMER OFF al/a timaitotie':-"gi1.04g : i 4------,!.--4- . neszamarr i 2 I; =' I FLOAT STEK .att Rater I 1 , , ENIC‘agSajs ADE= - 7-• PR:EMT ME I 1 , e . ==• ,! — t i I i713 r‘,- selarcr=. - 7 .--.•.-__:;:. :: . 5....j...-- E > 54,14334131:511124i • \ S V i ClatiriliZFUGAL I 1 - ocl wi.,,,. pubiz,el44.,..,474m pump i 1 mm=143 I . =As Nail= i I , row.,\1 lgoick\- I Septic'ranks must meet sP....i.lae..zr.,:e re...qui.red Py',,/,:1/4C-,chapter 24-5-272e• - nOURE 2 I .- 11 and must de on tte Dept c.,,f HeaFtr: ?igr.CT rer;:sterc-ri sewage 1rk.s. i . ------- . I :....----- — • W'IVf.{itu V eptc r wig vim, V tfcr INSTALLATION & MAINTENANCE .0� vW A as Pressure Distribution Systems Y PAULA JOY JOHNSON 1. Install Laterals with contour of the ground. MIRES 2. Install trench bottoms level. -2 -Z- 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. 8. Install 1/8"mesh non-corrosive pump screen(min. 12 sq. ft. surface area,not to interfere with controls or floats.) Or pump screen may be substituted with Bio-Tube in septic tank and block under pump. Pull bio-tube every 6-12 months and flush back into tank. 9. Install anti-siphon valve above pump in pump chamber to prevent the pump chamber from siphoning into the drainfield. 10. Install check valve in pump outlet line to prevent system from draining back into the pump chamber. 11. 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. 12. 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. 13. 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. 14. Divert all storm water runoff away from on-site sewage system. 15.No curtain drains allowed within 10' of the up-slope edge or 30' of the down-slope edge of the drainfield and reserve area. 16. Have the septic tank and pump chamber pumped or inspected every 3 years minimum. 17.No vehicular traffic over drainfield area or tanks. 18. Inspect floats, clean filters, and test high water level alarm every 6-12 months as needed. 19. All materials and workmanship must meet County and State regulations. 20. Deviation from this design without prior approval from the Designer and Mason County Environmental Health Department will make this design null and void. 21. All manhole lids and access, sampling or inspection ports must have locking covers and be located at ground level. 22. 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 do 4 1• ��.. 23.All transport lines under driveways or parking 1 u b t • ;at crushing. 24. Homeowner is responsible for all property lin= :': • ea n s. b 8 t 8 MASON COUNTY ENVIRONMEN