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HomeMy WebLinkAboutSWG2023-00232 - SWG Application / Design - 6/8/2023 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584 SHELTON:360-427-9670,EXT 400 BELFAIR:360-275-4467,EXT 400 I • Public Health & Human Services ELMA:360-482-5269,EXT 400 FAX:360-427-7787 On-Site Sewage System Permit: SWG2023-00232 APPLICANT Zenith Group Phone: Address: PO Box 1708 ROCHESTER, WA 98579 OWNER STICE ZANE E Phone: Address: 4199 SE BEAR TREE LN PORT ORCHARD, WA 98367 SEPTIC DESIGNER PAULA JOHNSON -Arrow Septic Phone: 360-898-2255 Designs Inc. Address: 171 E VUECREST DRIVE UNION, WA 98592 Site Address: 31 E Carr PI W Primary Parcel Number: 220185100066 Permit Description: New SFR - 3BR Pressure Bed Permit Submitted Date: 06/08/2023 Permit Issued Date: 06/28/2023 Issued By: Jeff Wilmoth Current Permit Fees Paid: $525.00 (additional fees may be required upon installation of system). Permit Expiration Date: 06/22/2026 (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 C� DATE RECEIVED:- MASON COUNTY � - � I'�' ✓ cf,C � COMMUNITY SERVICES AMOU GCE( .� RECEIVES .t � o m - �` - Public Health(Community Health/Environmental Health) r 415 N.6-961e.e+-Shelton. n.WA 4467.ext.400 S W G �('1� — Ob 3 2. g o 415 N.6tA Street-Snetten.WA 9a5d4 Z 6 ON-SITE SEWAGE SYSTEM APPLICATION D > PHONE m rn APPLICANT Zenith Group NW, LLC (253)225-2808 Z MAILING ADDRESS-STREET:C)TY STATE.ZIP CODE co P.O. Box 1708 Rochester WA 98579 m SITE ADDRESS-STREET.CITY.ZIP CODE WA 98584 I N 31 E Carr PI W Shelton NAME OF DESIGNER PHONE (D I IV Arrow Septic Designs (360)898-2255 NAME OF INSTALLER PHONE O I O Bamford Septic Repair (360)790-2364 R PERMIT TYPE(select one) DRINKING WATER SOURCE O iiE RESIDENTIAL ass E COMMUNITY OSS F COMMERCIAL OSS E.PRIVATE INDIVIDUAL WELL 6 PRIVATE TWO-PARTY WELL Z I co 7 PUBLIC WATER SYSTEM I TYPE OF`HARK(select one) (!.) KNEW CONSTRUCTION i UPGRADES E REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) 0 TABLE IX REPAIR SUBMITTALS ; ❑ SURFACING SEWAGE 0 EXISTING FAILURE ❑SHORELINE W pp;; Q� r Lp;DESIGN FORM(REQUIRED) SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE WgIVER(S)(IF APPLICABLE) 3 BR .19 acres o o DIRECTIONS TO SITE AND SITE CONDIT:DNS'(eK locked gate) Go out Hwy 3 and turn (R) onto E Pickering Rd. Keep right onto E Pickering Rd. Go for 0.8 I o mi. Keep right onto E Pickering Rd. Go for 3.0 mi. Continue on E Agate Rd. Turn right onto r- I o E Timberlake Dr. Turn left onto E Timberlake West Dr. Turn right onto E Eastlake Dr. Turn o left onto E Carr PI W. Destination on (L). Yellow sign: 1131 E Carr PI W" I rn SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I a) OFFICIAL USE ONLY BELOW THIS LINE UPGRADE I FAILURE SOURCE(tor reporting purposes) ❑VOLUNTARY 0 MAINTENANCE/PUMPING ❑BUILDING PERMIT ['HOME SALE ❑COMPLAINT 0 OTHER INSPECTOR SOIL LOGS COMMENTS r CONDITIONS °—3 C7 Gjr /�� 6:1 � . • -30--‘13- vr4,6 or 40 kiii,..,_ 11 , 0'63/-3 . ____ _. _______ RECORD DRAWING AND INSTALLATION REPORT SOIL CODES: REQUIRED FOR FINAL APPROVAL V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C a CLAY E=EXTREMELY Y R a ROOTS I, P TOR SIGNATURE DATE APPLICATION EXPIRATION DATE PP e•TION APPROVED,ISSUED BY DATE G TH F iAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE REVISED 12/720 5 DESIGN FORM—PAGE ONE Assessor's Parcel Number: 2 2 0 1 8 — 5 1 — 0 0 0 6 6 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" " '''._ PARCEL IDENTIFICATION w %' ? (. -, -, ^ Desigier's Name: Arrow Septic Designs Permit Number: SWG n Applicant's Name: Zenith Group NW,LLC Designer's Phone Number: (360)898-2255 Mailing Address: P.O. Box 1708 Designer's Address: 171 E Vuecrest Dr Rochester WA 98579 Union WA 98592 City State Zip City State Zip . DESIGN.PARAMETERS Treatment Device ❑Glendon Biofilter ❑Sand Filter ❑Mound ❑Sand Lined Drainfield ❑Recirculating Filter,Type: ❑Aerobic Unit Make/Model 0 Disinfection Unit Make/Model Other: Drainfield Type 0 Gravity fi+'Pressure 0 Trench C 'Bed 0 Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class 40 Daily Flow:Operating Capacity 270 gpd Length 22.5 ft Daily Flow:Design Flow 360 gpd Diameter 1.25 in Septic Tank Capacity(working) 1,200 gal Number 8 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 40 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 (2)22.5 ft Schedule/Class 40 Elevation Measurements Length 7.5 ft Original Drainfield Area Slope 3 % Diameter 1.25 in New Slope,If Altered 3 % Preferred manifold configuration used? Cif Yes 0 No Depth of Excavation Up-slope 19 in Transport Pipe from Original Grade Down-slope 6-16 in Schedule/Class 40 Designed Vertical Separation 24+ in Length 40 ft Gravelless Chambers Required? 0 Yes Et No 0 Optional Diameter 2 in Pump Required? 56 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) 1,000 gal Pump controls:Please check those required. Uppermost Orifice Higher ❑Lower th n 6 Pump ShutoffTimer C�Elapse Meter Gd Event Counter Capacity @ Total Pressure Head 6 hours 7.71 ft If Time unp, inutesv,Pump off Calculated Total Pressure Head Comments JUN 2 E 2023 . DI "NMENTAL HEALTH • DESIGN FORM—PAGE TWO Assessor's Parcel Number:2 2 0 1 8 — 5 1 -- 0 0 0 6 6 Permit Number: SWG Cross-Section Sketch Scaled Plot Plan Scaled Layout Sketch El Test hole locations Q( Drainfield orientation and layout Reference depth from original grade: Iii Soil logs Iii Trench/bed dimensions and It Septic tank critical distances within layout 67! Drainfield cover id Property lines Reference depth from original grade wells Iii D-$O?c/Valve box locations O Existing and proposed Ed Septic tank/pump chamber and restrictive strata: within 100 ft of property locations ❑ Measurements to cuts,banks,and IR1 Laterals,trench/bed,top and surface water and critical areas Eir Observation port location 0 bottom drain collector Q Location and orientation of Clean-out location 0 Curtainand augmentation curtain drain and all absorption � Manifold placement Other cross-section detail: components Orifice placement Fii Location and dimension of El Lateral placement with distance 6� Observation ports/clean-outs primary system and reserve area to edge of bed_ Other Information iiii Buildings ,',,Audible/vis 41 referenced Yes No 121 Direction of slope indicator Q( Scale of d l• ,� ': •own on scale ef ❑Design staked out 0,'" 4 0 it Recorded Notices attached Waterlines bar �4� 0 Waiver(s)attached Fli Roads,easements,driveways, .� moo.Tr4.4,' i. 0 Pump curve attached parking ►.� l? (3-,‘Q,+(�, 0 [�Evaluation of failure North arrow and scale drawing .4 .4 1 • 510,349 Y Non-residential justification shown on scale bar ; 0 Waste strength t.LF..allci,JOH..NS0.1.:..fi 0 Q(Flow D�FIlIGC 1 N. DESIGN APPROVAL The undersigned designer must be n. by installer time of installation 66 Yes 0 No b - Signature of Designer Date Z3 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-site egulations:1:411 fEnvir. ealth Special st 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: ✓ 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,Health. unless prior authorization is obtained from Mason County Public An Installation Fee is re uired. This form may be scanned and available for public view on the Mason County Web site. Updated Date: 12/7/2015 /,' 4 + ice // M 4 . ,t, \7 , ?. A • •••-• 61. .4.- q "".....e. __ -.74-----.01°V '''''' 4."tft. Pi ..4.,... /' ' t. : jor .-4- : 1?\ _ ---"1/4- 1A.,v3,3c.i a, +, ' % r i Li "-\ , id i y L„ ' Y� F i a ` ,p •y' s ,, rnu1 J .. vi -Via.. .', -- .._. 0 ,-;;;,,_ r. 0) 03 <. _ •t ' „ a /^ ,�'"`r..,..,__t' r���. � !( _./ to — .'Ji ♦ v' k 1 ' x ail at t + v'N.P3 � m JF y? ' . ,\ -- , 4-h---,.- .4: czt, ''44k vi c :,— r. m .. t m ,,, A-- .4 „......;, , , z 4 ;► `..^ ` ode `o& .> - a i Z i N rn in tt. y'A ' �� ' /a t 1' • " • looltir �: � z '•e. ;�¢ !ram - li +CC , • NCt`— y. -a - t e' �y 10 , 1 , , N.. k 1,-,.. ,., f,„, . ,_ ,, , ..;,, , It , ___ w , kIN - . i 0________\ 1\ -: [ ,. / - -1--- i 4 '-1 t::\\ ON `' 1 ,•'gyp. I) . I`' !N!!Y J +.\ • • M4APPROVE N ppvJUN Z 8 ?D23tN V1RpN yEgLTy 28 �eHr -74• \\(,...,..< J ' L E-- l?j! l0`x 2z y" Bed ,/ rptZS• iv% e I PY,wear 1 "AZ geyawe_ 1 0 to V. 30 40 t0 Xaz.S' U— I L _ j o 'all 5 '© Z sJak. . iAtUV) DEJ iall o o ? QtZ2D1�-51-• 00/6, 'Q j D b Yb• -3 t t CAP& PS. Y t! -5 5'K .--91-, L. -Le- 13M4eksz— o . lre f ,41 � to, XZo, 1 -ti 3 : D - 33t` 4-et_-K-d dec.y- 33 -13" �a ey� a �r� ems--, /P K ti,..-9 �Z� l�� �Z�,S ?riwwery o'e s - p. � 3eot �i- A Cclorr1:? t Vv -- CZ1.D Z • '5e5 Ke a Audio-Visual Alarm r : -'A"A.% i- 0 Cleanout It `h, ( 1200 Gallon Septic Tank Ai-S.!, s'oo .ia • �4' A 2-Compar`J11ent with �d� PAULA JOY JOHNSON ••. Effluent Filter K. USA �ES1GN :1•• � c���c � c c exP+RES /1-6 - O1000 Gallon Pump Chprnber APPROVEA JUN 2 8 2023 mASON COUNTY ENVIRONMENTAL HEALTH 3 JBW D" r 510 e c5`��?�� t6A "wAQX. d .1 . InPe. P acr O .�71' '---7--------. *, _ A �e�4 2 Qusin.6� 5 • tiro 4 ,30" "vv►•iv,,dQp 1.5 �'� • - 1l ►q d y Ec,0„ , lea. GAS ,; (Li)22 1 .25" Sched 40 Laterals (51 3/16" orifices 60"O.C. 36' / r 30„ �� per lateral. .. 1st & last orj i S" from end of bed. 1.1 Z« t VaSly 1--- , �Z l � 0 S' r�' (S' Zc' v /o SIoeQ. Te- a La - SCREW ON CAP 45 DEGREE ELBOW NOTE, LATERAL O=OBSERVATION PORTS--TO BE 4" o��PI C� PVC PIPE FROM BOTTOM OF TRENCH END OF TO FINISHED GRADE. REMOVABLE DITCH CAP SHALL BE INSTALLED ON DETAIL OBSERVATION PORT PIPE. ANCHOR ON y,,. CLEAN OCT et BOTTOM WITH GLUED ON TEE. r, MINIMUM OF 4 IN SYSTEM. NOTE, CLEANOUT TO BE FROM 0 TO �� INCHES BELOW FINISHED GRADE. tor »,. is MARK ENDS WITH REBAR. CLEAN OC �`: 0 REQUIRED AT END OF EACH LATERAL . ( ,..-„, -. ,;.,:, \ ...---;: -.. 5,00349 .-:gi, PAULA JUY JONNSON ': ExARES 09%15/ ' n , lk ' o q- 2- _G (0 -I(0 �� ,� 30` 72 3 0 �- o L• l iv+Q,(.1�uti.w` 1.1 by F lO , T tc 24 4- °PRO Vit N _.0 :a4 'co„Nr,, u 2023 PAGE OF 6 PAGES R�• NMfNT Jew AL yE4CTH Length Length Orifice # Distance from Distance from Lateral# (In.) (Ft.) Spacing Orifices Feeder Line (In.) Cleanout(In.) 1 270 22.5 60 5 15 15 2 270 22.5 60 5 15 15 3 270 22.5 60 5 15 15 4 270 22.5 60 5 15 15 5 270 22.5 60 5 15 15 6 270 22.5 60 5 15 15 7 270 22.5 60 5 15 15 8 270 22.5 60 5 15 15 'Total Lateral Length 180 I I GPM = 23.6 Total#Orifices 40 Dynamic Head Calculations Selected residual pressure: 2 ft. Length (Ft.) #Orifices Transport Pipe 40 40 0.40 ft. Feeder Total Lateral Line Length Lateral#1 22.5 4 26.5 5 0.04 ft. Lateral#2 22.5 2 24.5 5 0.04 ft. Lateral#3 22.5 2 24.5 5 0.04 ft. Lateral#4 22.5 4 26.5 5 0.04 ft. Lateral#5 22.5 4 26.5 5 0.04 ft. Lateral#6 22.5 2 24.5 5 0.04 ft. Lateral#7 22.5 2 24.5 5 0.04 ft. Lateral#8 22.5 4 26.5 5 0.04 ft. Total Elevation Lift 5.00 ft. G7N Total Dynamic Head ..4 k9) 7.71 ft. . b1O')349 1.%k :'= ' PAULA JOY JOHNSON Mai bsicNea•" E%P1R:S /13/ - APPR ova JUN 2 8 2023 �' �OOtiNTY ENVIRONME Jaw NTAL HEALTH 1371 133, 1 151, 152. r '1111s11111, 4111 ;J a�bh� Flow-Mate Dose-Mateo( e,tu In high head dewatering or effluent This is our fastest growing line of effluent applications where pumping pumps.The 1 50 series is truly a workhorse performance is critical, this robust designed for reliability under extreme family of pumps is known for reliability, conditions in an effluent environment.150 durability and performance. These series pump curves cover a wide range pumps are especially suited for harsh of applications. They are welt suited to environments.Zoeller's cool run design applications with low pressure pipe (LPP) and corrosion-resistant,powder coated and enhanced flow STEP systems.Zoeller's epoxy finish add up to a long-lasting, cool run design and corrosion-resistant, trouble-free product powder coated epoxy finish,in addition to the hermetically sealed,oil-filled motor and non-clogging vortex impeller add up to a A Wlong-lasting,trouble-free product. 8 _ -J MADE IN MADE INTHE A IVI Lain N.NI.I44mN0i�. U. MINA..—,.>LCa T.i W a- APPLICATIONS: APPLICATIONS: 2 • STEP or onsite applications • STEP or onsite applications 2 • Water transfer • Light commercial dewatering LIJ • Light commercial dewatering SPECIFICATIONS: SPECIFICATIONS: • 1-1/2"NPT discharge • 1-1/2"NPT discharge • 3/10 HP through 1/2 HP • 1/2 HP through 1 HP • Available in nonautomatic or with a variable level • Available in automatic or nonautomatic piggyback mechanical switch • Model 137,139,140:1/2"(12 mm)spherical solids • 1/2"(12 mm)spherical solids capacity with vortex capacity with vortex impeller thermoplastic impeller • Model 145:3/4"(19 mm)spherical solids capacity with For more information,see Technical Data Sheet FM2784. vortex impeller • Bronze construction available(139 series) • High head version available(145 series) • Double shaft seal versions available for added protection on models 140/145. For more information,see Technical Data Sheets FM2782,FM2783. lz W W PUMP PERFO ANCE CURVE ?E LL MODEL 151 152/153 PUM? R FORMA":CE C..RJE MODEL 137114CJ'45 50 , ,• ,■■■■■■■■■ 14— 45 153 :o m ,■■■■■■■■■ s ■,■■■■■■■■ 12— 40 ., x ■,■■■■■■■■ N. 35 ■■„■■■■■■■ cc, 10— 152 w ,"■■■■■■■ a 8— 151 44 ■■\1\■■■■■■ 25 yv ■■■`■■■■■■ '- 6— 20 1" ■■■..MI.= F 15 f n .■■■,,,■■■■ 4- j ■'''..,■■■ 10 I ' ■■■■■i',`■■ s 13 ■■■■■1I■�S■ u ■■■■■®■■.■ A so 60 70 80 90 100 o"RS x x . w w P w n w j ITE 0 Po0 E 200 240 2Et0 320 360 uu.as J`J JI -B>, m » M N 2 8 2/�73 MINUTE 014530 .® �crw�• 1s2658 Q� V (0� 6 8 ©All rights reserved. ZOELLER PUMP CO. 1501 77gI Pf'7 tro 7 67 1 z mps.com A JB j NTq�HEALTH , • _• ..__ .— _ ------------- . , • SECURED LID WITS GAS TWIT SEAL I . 1 24'DIMMER \ . / ACCESS RISS% I i * f..............••••''ti maw stag .- . . _ . _,-_-_------ —...r_____7.=7,= --7-1 — r- ....i i ,---1 '—...1.... .... TO PUMP -r--•-f : •• . - ,.--------, • •- 1 ;,_-.--__..=-1----- f • , ; i r-T ! i 1 i FROM SEWAGE i 1 I FLOATING MAT I i SOURCE 1 1 L-3 i 1 ; I i I . I f APPROVED •! ---$4-77-1 EPROM i • 1 I ......: : 1 1 I 1 , FD.TER I SEDINENTS \\k.)."`,r*L IT N•I\Ps.A•&,‘4 A 1 r-----—--./_.___...____...:IN i tiv..... 1 . i : 1 1 • • . C •ic)'&c;‘-k-i-at ' .•• SEPTIC TANK ' . . (TYPICAL .• SECURW LID MTN GAS TIGHT SEAL i ....., THREADED UNION •• 24'DIAMEM \..._,L, sue= * ACCESS RTSER . . : =SE GRADE • i MOM SEPT= .: TANK ' . 1115 rt rej• ; • ‘, rPL, ., — r 1 ,.a f --lb,TO DRADIFSELD it--1 • 1 !! 1 X 1 ---r-r- akt ! ERGamorsroRma •: i 1 • I i ANTT SZPRON MON WATER ALARN LEVEL -H-O- I I I VALVE* f I I A 71::: 1 i 1 NOW TIMER OFF LEVEL i 1• Weggna VOLUME . !*--.....74,_44 . INDEPENDENT ' i , 1 f 1 .: --•: FLOAT STSE FOR FLOAT . i sio.osED PUMP • .: .....' , I MOUNTING i SEDIMENT SFIRCAID z T.Z1111 *--;i"; CHECK VALVE z 1 1 1 cetr0 G-d-‘ , i • -=i 1 = ! • %\l' f\- • . -'ePe()\ 1 ' •- ( 1 51.11514tERSZSLE - 03MUFUGAL PUMP CAD.c'-c•—'16 (TYPCAL.) PPR oak Jpg2i8 "Note: Septic Tanks must meet standarcis required by WAV r 2&--- • 2 •• th and manufacturer must be on e Dept of Health i3st of registered se on** - AliiiEN 4.134se 7AL IIPAT0 . . . . • --1 of F ' DIST_ LLATIO719NsON Pressure Distribution Systems -Bed 8, L+CEtJS� f'aSiGNE'fi" �EXA�aa�1 1. Install Laterals with contour of the around. 2. Install bed bottom level. Laterals. 3. Install locator tape or rebar at each end of all drain-meld um of 2 required in each soil • �rface. Glue"T"to bottom so 4. Install observation ports as indicated�°�ock/nati e the plot l inian. �m bed with bottom extendmD .o � 1 removable cap on top of Observation Port cannot be easily removed from ground. Instal port at final grade level.5. Install drainfield during dry weather and soil conditions-, any soil smearing must be eliminated by hand raking• o must extend to within six inches 6. Install threaded clean-outs at the end of all laterals (cap of finished grade and be marked with locator tape or rebar). 7. Install audio/visual high water level alarm. Redundant offs surfaceitch re aquirea, not to interfere red. 8. Install 1/8"mesh non-corrosive pump screen (min. 12 sq. - with controls or floats.) Or pump screen may be substituted with Bio-Tube i_n septic tank. Pull bio-tube every 6-12 months and flush back into tank. aback into the 9. Install check valve in pump outlet line to prevent system from draining pump chamber. orifices 10. Tee to Tee constnzction between laterals and manifoldo'clock, 1 C�k(do not glue), after pressure riented at 6 o'clock. Install laterals to the manifold with the orifices at 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. 11. Filter fabric required over drain rock priorttonback f ilin the ric the h in rock extends above natural grade, run the filter fabric at least_ 12. Encase all water lines within 10' of drainf.eld and under any driveway/parking areas. 13. Divert all storm water runoff away from on-site sewage system. 14.No curtain drains allowed within 10' of the up-slope edge or 30' of the down-slope edge of the drainfield and reserve area. 15. Have the septic tank and pump chamber pumped or inspected every 3 to 5 years. 16.No vehicular traffic over drainfield area. 17. Inspect floats, clean filters, and test high water level alarm every 6-12 months as needed. 18. All materials and workmanship must meet County and State regulations. 19. Deviation from this design without prior approval from the Designer and Mason County Environmental Health Department will make this design null and void. 20. All manhole lids and access, sampling or inspection ports must have locking covers and be located at ground level. chamber outlet higher than the drav�-ifield must have a. 21. All pressure systems with a p"n'p pump prevent siphoning. 1/8"hole drilled in the discharge pipe above the rim to p g. 22. All transportunder lines under driveways or parking areas must be encased to prevent crushing. 23. Homeowner is responsible for all property lines. PROVE ��N 18 2023 MASON CONNTYENVIRON g � Jaw MENTgL HEALTH