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SWG2023-00512 - SWG Application / Design - 12/4/2023
MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584 SHELTON:360427-9670,EXT 400 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: SWG2023-00512 APPLICANT WALDROUP AMELIA & TYLER Phone: 253-632-4427 Address: 121 W WIVELL RD SHELTON, WA 98584 OWNER WALDROUP AMELIA & TYLER Phone: 253-632-4427 Address: 121 W WIVELL RD SHELTON, WA 98584 SEPTIC DESIGNER PAULA JOHNSON -Arrow Septic Designs Inc. Phone: 360 898 2255 Address: 171 E VUECREST DRIVE UNION, WA 98592 Site Address: 121 W Wivell Rd Primary Parcel Number: 419033450031 Permit Description: 3-bedroom pressure system Permit Submitted Date: 12/04/2023 Permit Issued Date: 12/18/2023 Issued By: David Anderson Current Permit Fees Paid: $525.00 (additional fees may be requi-ed upon installation of system). Permit Expiration Date: 12/12/2026 (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.gov/health/environmental/onsiteloss-inspection-request.php or call: 360-427-9670, extension 400. OFFICIAL USE ONLY MASON COUNTY DATE RECEIVED _ CI — �� cn dl. COMMUNITY SERVICES AM E o- , R �. W � _ -- m Public Health(Community Health/Environmental Health) 360-c77-9670,e.t 400 or 360-i754467,est 400 //'\,\ ^/7 415 N.6th Street-Shelton WA 9858a S W G ( 1 1 jc ( LI) 53 ON-SITE SEWAGE SYSTEM APPLICATION D mo APPLICANT -0\E pim I— Tyler & Amelia Waldroup James Brazzell (360)742-9934 z c MAILING ADDRESS-STREET,CITY,STATE.ZIP CODE 3 121 W Wivell Rd Shelton WA 98584 m SITE ADDRESS-STREET.CITY•ZIP CODE z same 14" NAME OF DESIGNER PHONE Arrow Septic Designs (360)898-2255 NAME OF INSTALLER PHONE v I (c) I CD PERMIT TYPE,'select one) cc CC pp RI - DRINKING WATER SOURCE �� in OSS SCOMMUNITY OSS ,.I COMMERCIAL OSS 5 PRIVATE INDIVIDUAL WELL 64 PRIVATE TWO-PARTY WELL Z I W TYPE OF WORK(select one) Q PUBLIC WATER SYSTEM I NEW CONSTRUCTION/UPGRADES 5 REPAIR)REPLACEMENT OTHER DETAILS(select all/hat app(y) 0 TABLE IX REPAIR I W SUBMITTALS EZ ❑ SURFACING SEWAGE CI EXISTING FAILURE CI SHORELINE DESIGN FORM(REQUIRED) SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE Fl I •4, acres ° L1�WAIVER(S)(IF APPLICABLE) 3 BR 4.38I I x DIRECTIONS TO SITE AND SITE CONDITIONS(ex locked gate) Take the 1st exit at the traffic circle. Continue straight onto S 1st St. Stay to the (R) at the I o "Y" at the traffic light next to Toziers. Turn (L) onto Wivell Rd. Turn (L) at the "T" and see big o I sign at driveway: "121" -1 IW SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I r- OFFICIAL USE ONLY BELOW THIS LINE UPGRADE/FAILURE SOURCE(for reporting purposes) 0 VOLUNTARY 0 MAINTENANCE/PUMPING ❑BUILDING PERMIT 0 HOME SALE CI COMPLAINT 0 OTHER: INSPECTOR SOIL LOGS COMMENTS/C �,1S Tµs :a - ( ' y1�t. pis t L 0 fl [ ((Rif 3! v/ s/0/41.5 L-afer T =D -3�`' �� 2 DEC 04 2023 Z __A______± _ 4i4r1 �' 5.16,4475 L,ofeir By__ _ ) IIfi3:0-T 1 65L t✓/ pacb,15 rile r 5 a nPf F-q 3i" w/ s a v�otev, AI 4 �: - SOIL CODES: ' �aRECORp OF LL '�AWING AND INSTAATION REPORT V=VERY G=GRAVELLY S=SAND L=LOAM 5:=SILT C=CLAY E=EXTREMELY R=ROOTS REQUIRED FOR FINAL APPROVAL. �'..w• INSPEC OR SIGNATURE DATE APPLICATION EXPIRATION DATE APPLICATI PPROVED/ISSUED BY DA-.o -� i t.: .N;- I Z(/Z(707? I 7 ((7(Zo7C /Z(Voz) . THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE REVISED 12/7/2015 DESIGN FORM—PAGE ONE Assessor's Parcel Number: 4 1 9 0 3 — 3 4 — 5 0 0 3 1 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 'I Scaled plot plan,including all applicable items on checklist. 'I 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 ?,Q23-00511 Designer's Name: Arrow Septic Designs, Inc Applicant's Name: Tyler Amelia Waldroup Designer's Phone Number: (360)898-2255 Mailing Address: 121 W Wivell Rd Designer's Address: 171 E Vuecrest Dr Shelton WA 98584 Union, WA 98592 City State Zip City State Zip Treatment Device ❑Glendon Biofilter 0 Sand Filter 0 Mound 0 Sand Lined Drainfield 0 Recirculating Filter,Type: ❑Aerobic Unit Make/Model 0 Disinfection Unit Make,Model Other: Drainfield Type ❑Gravity ElPressure I 'Trench 0 Bed ❑ Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class 40 r Daily Flow:Operating Capacity 270 f gpd Length 50 - 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) 4 f Separation 9 ft Receiving Soil Appl.Rate 0.6 'gpd/ft- Orifices Required Primary Area 600 f ft2 Total Number of Orifices 40 Designed Primary Area 600 ft2 Diameter 3/16 in Designed Reserve Area 600 ,2 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 0 __% Diameter 1.25 in New Slope,If Altered 0 % Preferred manifold configuration used? l 'Yes 0 No Depth of Excavation Up-slope 7 in Transport Pipe from Original Grade Down-slope 7 in Schedule/Class 40 Designed Vertical Separation 24+ in Length 70 ft Gravelless Chambers Required? 0 Yes 0 No HIOptional Diameter 2 in • Pump Required? lif Yes 0 No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 4 Duff.in Elevation Between Pump&Uppermost Orifice 8 ft Dose quantity 90 gar- Drainfield Squirt Height/Selected Residual(head) 2 ft Chamber Capacity(flood) 1,000 gal Uppermost Orifice 0 Higher 0 Lower than Pump Shutoff Pump controls:Please check those required. Capacity @ Total Pressure Head 23.6 gpm fi 'Timer ❑Elapse Meter VEvent Counter Calculated Total Pressure Head 12.01 ft If Timer: Pump on 2 minutes ,pump off 6 hours Comments APPROVED • WC 18 2023 I 6 MASON COUNTY ENVIRONMENTAL HEALTF• - OJA . • . . DESIGN FORM—PAGE TWO Assessor's Parcel Number:4 1 9 0 3 — 3 4 -- 5 0 0 3 1 Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch Ed Test hole locations g Drainfield orientation and layout Reference depth from original grade: g Soil logs g Trench/bed dimensions and Ed Septic tank Property lines critical distances within layout lZ Drainfield cover lili Existing and proposed wells D Box/Valve box locations Reference depth from original grade within 100 ft of property g Septic tank/pump chamber and restrictive strata: 121 Measurements to cuts,banks,and locations g Laterals,trench/bed,top and surface water and critical areas 6g Observation port location bottom 0 Location and orientation of 6d Clean-out location 0 Curtain drain collector curtain drain and all absorption lig Manifold placement 0 Sand augmentation components 21 Orifice placement Other cross-section detail: fig Location and dimension of lif Lateral placement with distance gObservation ports/clean-outs primary system and reserve area to edge of bed .' Other Information 10 Buildings EilAudible/visual ferenced Yes No 10 Direction of slope indicator lig Scale of draw,AV. 1 n scale g 0 Design staked out g Waterlines bar ...J; ❑ [f Recorded Notices attached g Roads,easements, driveways, _ ' ,r, 0 It 'Waiver(s)attached parking . ,, „ 1 g 0 Pump curve attached El •'`o 0 [I Evaluation of failure North arrow and scale drawing 1, •, ' . �iy shown on scale bar y ��' . 00349 '„,, Non-residential justification 0, PAULA JOY JOHNSON ‘ LtCEX(SniYiESiGNE'g'• 'I 0 lif Waste strength ` „i `"❑ Ri Flow DESIGN APPROVAL The undersigned designer must be j1d by instal r at time of installation g Yes 0 No Signature of Desi ner DaA2f3 P RO M E D The undersigned has reviewed this design on behalf of Mason County Public Health and deteti d1itdoMi compliance with state and local on-s. regulations: / UUCC�� 00 I 7/ ��ZCi3 MASON COUNTY ENVIRONMENTAL HEALTI- En ironmental Health Specialist Date DJA CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved"by Mason County Public Health.✓ z(/Z(z The Onsite Sewage Permit has not expired,the Permit Expiration Date is: � ✓ 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 J a X g _ .a Aeg € § d 4; c ZY CC aP. _ g a a on, vx'" s W z 1. z o R R dt ! 1li ! W 2! g W i ! 1 a„N3o rx �ZQ Y -g1JIHIJii of IU < 1= F as so S S E 2 s gi'a3 m 3ffi eels @ Y yy <W 1 ze 7 6S E 1I! laF o G n U> < g W 42 d ;1 1 qqqq k __A oorowt a_a___•-/ -�R�- - __ __ __ 00'DWi M.94,L540 5_ z '( 8 �' O'O/C A A►r12p s , 09'604 , OS'Sll _ \� al o Wust L1}�j,�y}} M-L254.00 5 M•(l.4*Z0 5 02'V � Fll J1a Ii .„...i l\E i‘ng::),,,, _;,,,;x: _ _s41 �!w =.`, 1 : -ice w b( i W 9 O\,i 21 3 3 3 ��� •Rgt`` e�` x l n z,, 1.▪ s �oE J ' 'Sp�9 , ^ - �g3§ aV ,H o z ,(CW.7 W F F a P. jui \ _. 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W3333W..+W33;33 7S73k aSt-' 14 {g^o_„„ SR- i c1 VI R7Ss Z o o g%� maA,fi:etfaskd~$ngetati..�.sn,.,^ y1< x� PI sznNNNNZNNNNNNZNNNNNNN22: glingglinilllint 2; �2-I•Vd O.•I0A LILB°II�-4d VM 03 NOSVW LIL89 Z I I \ Key: X O Audio- isual Alarm T. �, 1 0 Cleanout S T 03 1200 Gallon Septic Tank T. 2-Compartment with Effluent Filter WELL O 1000 Gallon pump Chamber H OValve Control Box Rhe , .' iVitty . vJ f i 1 0 7._--- ' G< °� 07.P �7 5�xb, , sgseat.- SLo E' . , a, 36R �o�s� N� iii.‘ , . , AO / ./C:4);/1 iiir , a G R,E Eli '�/ / / �,' \5° SE't$P(CK (4 1 3 X So' pr 1 rno r / / �. .(�`y Cif 4 rr'c .t /cii O.C,. w( r-ese�f / ,, t: `"\ • 5'00349_,,,,.• ... . � f in b iVJaYN• / / '"'p~ �'AULA JOY JOHNSON ��( '// e;/°.1. / 3a .b8• S GALE: 1'�=5�' 4 0=��sT o o 1.5-3-jo -,b ,so P��r 4t-r 3t��gskm-"o\s APPROVED 9V yler-' is Watctxtty 2^' 3 5s1 S DEC 1 8 2023 •p li4t•tao3-34-Soot +0 t-t 2,a. `,11 V•I VI i vtU 43N 2 J)-„5S I tS MASON COUNTY ENVIRONMENTAL HEALTH DJA 0 f Valve Control Box with 125• Bail Valves ---,,,N, /1 2 Transport L e 3 Of . .t 9'o,c. / 0 . . • . / i( 6 be-k-oecut Typical Cka>ovt • /11P . Nr, 1 / t 25' Cetera 125• Feeder Lanes Typical Observation Port 30 • ` 0 I I I I 1 i : (i 60. APPROVED -7\04-'‹ b 5a DEC 1 8 2023 MASON COUNTY ENVIRONMENTAL HEALT Thal Oboerrotion ter DJ A. Detailed Drainfield Layout 1"inQ\ G►a.Ae Scei 1• - 10. (,i_1 Z.scnlY An Filter Fabric 0' 10' 20' D r i�i Y>c� G.-acte a/4. to Z" ,G CS) 50' 1 .25" Scher. 40 ..Laterals 4.2-1/2• Cam-- t25 Lateral r, ( 1 0) 3/ 1 6" Orifices @ 60 0.C. � — — s• Per Lateral. 1st & Last Or.fice . y / 30" from End of Trench. /I 21.- 1- (,,.. , '�, Serew-On Cep 45 Degree Elbow Drainfield Cross-Section View L, Nerd Not To Scale End of Ditch P..4) Det a1 - goal Out • Noce 0 Observation Port To Be 4• PVC Pipe from Bottom of Trench o� w Note: Gleawttt to be from 0 to 6 incxs odow To Finished Grode. Removable Cap shall be , �'�y`?j� Finished Grade. Mark ends with Reber. Clem Out •a � Installed on Observation Port Pipe. Anchor t` g �'` . • 4v+ Reed at the End of Each Lateral. On Bottom with Glued-On Tee. N��� Minimum of 4 Total Rec;ured.in System 4 .PAULA JOY 3JOHNsoN.-."�( Arrow Septic Designs zh, E, L ,s>`bb8s►oN �`� (360 ) 898-2255 EXPIRES 09/1�i � Length Length Orifice # Distance from Distance from Lateral# (In.) (Ft.) Spacing Orifices Feeder Line (In.) Cleanout30 (In.) 1 600 50 60 10 30 2 600 50 60 10 30 30 3 600 50 60 10 30 30 4 600 50 60 10 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 70 40 0.70 ft. Feeder Total Lateral Line Length Lateral#1 50 2 52 10 0.29 ft. Lateral#2 50 7 57 10 0.31 ft. Lateral#3 50 12 62 10 0.34 ft. Lateral#4 50 17 67 10 0.37 ft. Total Elevation Lift �, , 8.00 ft. ) 12.01 ft. Total Dynamic Head �t r ': 51•iU3:9 PAULA JOY JOHNSON .?r IXPf %1 APPROV ED DEC 18 2023 MASON COUNTY ENVIRONMENTAL HEALTH LIJA 137, 139, • 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 PUMP PERFORMANCE CURVE performance is critical, this robust c_= n` _ ,MODEL13714on45 family of pumps is known for reliability, ^ '.■■■■■■■■ durability and performance. These `_ ,■■.■■■■■■ pumps are especially suited for harsh environments. Zoeller's cool run design ligill1111111.111.1. En and corrosion resistant powder coated `° ,■■������ C epoxy finish add up to a long-lasting, _■„■■■.■■■ trouble free product. A " ,"■■■■■.■ m ' n21►1���11�11 APPLICATIONS: r" • STEP or onsite applications .■M■■111.11111 C • Water transfer I' . ...10.11u UU Z • Light commercial dewatering - , .■■.,,,■■.■ --I SPECIFICATIONS: Ô • ■■■' .■■ • i 112"NPT discharge _ .. ■■■■■t,,`■■ • 1/2 HP through 1 HP r MADE IN THE HEM ■����„�',� • Available in automatic or nonautomatic s • Model 137,139.140:1/2"(12 mm)spherical solids ■■■■■®.MISI® capacity with vortex impeller C.4.5 • Model 145:3/4"(19 mm)spherical solids capacity with IBM ° w '" "' "` non,+w..n 152656 vortex impeller 11511:�2 ' .x ii r ''--� '1 - PUMP PERFO. '•NCE CURVE Dose-Mate or e��;t)c>rkAi SO— . MODE 151/1.2/153 This is our fastest growing line of effluent 14 as 153 pumps.The 150 series is truly a workhorse designed for reliability under extreme 12- 40 conditions in an effluent environment. 150 series pump curves cover a wide range o 10- 35 152 of applications. They are well suited to • f 30 applications with low pressure pipe(LPP) > 6- 151 and enhanced flow STEP systems.Zoeller's o 25 cool run design and corrosion-resistant, 0 6-. z° powder coated epoxy finish, in addition to the hermetically sealed, oil-filled motor 15 i and non-clogging vortex impeller add up to 4— a long-lasting,trouble-free product. 10 gi I 2— APPLICATIONS: �� 6 • STEP or onsite applications MADE IN o 10 20 30 40 50 60 70 80 90 100 • Light commercial dewatering USIA6AYAJUhll1'ODU.SWUTl11 GALLONS LITERS 0 40 g° 120 160 200 240 280 320 360 SPECIFICATIONS: �F FLOW PER MINUTE 014508 •• 1-1/2"0 throughPT discharge1 ©F� APPROVED 3/10 HP 1/2 HP • Available in nonautomatic or with a variable level piggyback mechanical switch • 1/2"(12 mm)spherical solids capacity with vortex 8 2023 thermoplastic impeller MASON COUNTY DECnCn For more information,see Technical Data Sheet FM2784. ENVIRONMENTAL HEALTH' ©All rights reserved. ZOELLER PUMP CO. 1502-778-2731 1800-928-7867 I zoellerpumr. 11 9 . . -_- - - -_ __, _ _ • . SECURED LW WM GAS TIGHT SEAL i \ . 1 i 24'DIAPIETER \ , r- ACCESS Ea .-------"t ....,_ -..--. 1....= . 1 ' • • i TO PUMP I • FROM igeneg . 1i i 1 i 1 1 1 1 ; souncE 1 I I FLOATING MAT I ,....1 i i I 1 1 1 , 1 1 t44 . . • L......: t i .L..• APPIWNED :,. .: • I ocusarr ;s 1 ' ft \ I I I t 1 FILTER . APPROVED erzenat,,,,,,,A k------ SgC3345KTS -1............... ----.-14•L' 1 \t...N,7\\N-"." (1,„\.• - . MASON COUNTY ENVIRONMENTAL HEALTF ' •1 . SEPTIC TANK (TYPICAL% DEC 1 8 2023 i r)J A 1 SECUP.ED LID Van GAS TIGHT SEAL. THREADED UNZON 24'Bum= I— . ' ACCESS RISER i I F =GRADE i sae= • 1111111=11.1!1.1. . VALVE s .,----- -,---v- ---pe:--... PROM SEPTIC -7 11 ct . 4W , TANK • -.: ? 1.. ib------ TO--41. DRARNIVELD \ I -r-i- EMERGENCY STORAGE 1 1 ANTI MINION . KM WATER.ALAPM LEVEL ! 1 0- f i. i • •. I 1 1 VALVE z • 1 * il-C7 1 1 I I . . NORMAL.TIMER OF 1LEVEL i WORlawc4----t t— i--- INDEPENDENT ; 1 I mom.STIEM -- 1 PON FLOAT I ENCLOSED PUMP • '; C MOUNTING I 1Z- G.4.kkbf\ I =DW SHROUD z • 1-4-' .1 . 1 CHECK VALVE s CostrsAr-n. _ 1 1:TIT-4, 11, . SEDIMENTS i ..1: i SUBMERSZSLE . . 1 ' 1\-kki\11.W.A.N.A.AA. , I CENTICOUGAL ME, MEME-CEAMBER CrIPICALI 1 . 1 z AS NEEDED . "Note: Septic Tanks rriu..t meet standards required by WAC chapter 246-272C • FIGURE 2 •- i and manufacturer must be on the Dept of Health list of registered sewage tanks. Pcf —1 of- E • . a Sept DoI �, •4�� 0 INSTALLATION & MAIh TE E • �,,,9 :�� S , • pTeJSure Disc but=on Systemsc PAULA JOY JOHNSON �'�� ground. q /1 1/ 1. Install.Laterals wit1 contour o=`fie 2. Install tench bottoms level. v �'- Field laterals. . 3. Install locator tape or rebar at each end of all dr^ o jjre� plan. One �,_._„�at distal end of each 4. Install observation ports as indicated on the plot plan. rf Glue k tt m ding t,o the dra_nrock:'naave soil inte__ace. lateral n drainfield with �.a..e� ext.,n �, ti. "T"to bottom so Observation Port cannot be easily removed om ground_ 'LStaL removable cap on top of port at final wade level. 5. Install drainfield during dry weather and soil conditions; any soil smearing must be by hand raking. eliminated ^ - . 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 all_ ^ 8. Install 1/8"mesh non-corrosive pump screen (min. 12 SG. ft. surface area, not tointerfere with controls or goats.) Or pump screen may be substituted with Bio-Tube in septic tank. 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 dra'rafeld. to prevent -from draining back into the 10. Install check valve in pump outlet line ,.,_e ` system � 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, urn 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. ilter fabric required over drain rock prior to back filling. ±=the drain rock extends above natural grade, run the filter fabric at least 2 inches down the trench wall. 13. Encase all water lines within 10' of drainfeld 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 infeid and reserve area. 16. Have the septic tank and pump chamber pumped or inspected every 3 to 5 years. • 17.No vehicular t_rac over drainfield area. 18. Inspect floats, clean filters, and test high water level alarm every 6-1 2 months as needed. 19. All materials and work-nanship must meet County and State regulations. 20. Deviation from this design without prior approval from the Desiorer and Mason County Environmental Health Department will make this design null and void. 21. All rnaphole lids and access, sampling or inspection ports must have locking covers and be located at ground level. 22. All pressure systems with a hump chamber outlet higher than the d_rainfield must have a • 1/8"hole drilledthe discharge pipetheprevent siphoning "r, 1in abovep'..�p to b• 23. All transport lines under driveways or parking areas must be encase' to prevent crushing, 24. Homeowner is responsible for all property Lines. P DEC 18 2023 DJA MASON COUNTY cNVIRONMENTAL HEALTH