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HomeMy WebLinkAboutSWG2023-00232 - SWG Application / Design - 6/14/2023 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584 • SHELTON:360-427-9670,EXT 400 BELFAIR:360-275-4467,EXT 400 Public Health & Human Services ELMA:360-482-5269,EXT400 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 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. I OFFICIAL USE ONLY U.......)DATE RECEIVED: MASON COUNTY (-- , / C N cp m COMMUNITY SERVICES 'mOU I RECEN Y���� ?ubli7 Health(Community Health/En ironmental Health) ��� ��^ — �` 415 N.6N Sow :-Shelton.WA 98584 oZ N ON-SITE SEWAGE SYSTEM APPLICATION > I PHONE r APPLICANT (253)225-2808 z Zenith Group NW, LLC MAILING ADDRESS-STREET.CITY,STATE,ZIP CODE WA 98579 00 P.O. Box 1708 Rochester C 7J SITEADDRESS-STREET CITY,ZIP CODE Shelton WA 98584 i i" 31 E Carr PI W PHONE CD I IV OF DESIGNER PHONE Arrow Septic Designs I o NAME OF INSTALLER PHONE a(360)790-2364 Bamford Septic Repair Z DRINKING WATER SOURCE O PERMIT TYPE(select one) i RESIDENTIAL OSS COMMUNITY OSS 'COMMERCIAL OSS 5 PRIVATE INDIVIDUAL WELL S PRIVATE TWO-PARTY WELL Z 7 PUBLIC WATER SYSTEM TYPE OF WORK(select one) CW I (,n ®NEW CONSTRUCTION/UPGRADES f REPAIR/REPLACEMENT OTHER DETAILS;select an that apply) 0 TABLE IX REPAIR CI SEWAGE CIEXISTING FAILURE 0 SHORELINE co SUBMITTALS 0 �; LOT SIZE Lti DESIGN FORM(REQUIRED) LIyISEPTIC DESIGN(REQUIRED) BEDROOMS 3 BR 9 acres I o EWAIVER(S)(IF APPLICABLE) CONDITIONS (ex tocked gt D ITE DIRECTIONS Go out HwyN35and turn (R) ontoeE Pickering Rd. Keep right onto E Pickering Rd. Go for 0.8 ( o mi. Keep right onto E Pickering Rd. Go for 3.0 mi. Continue on E Agate Rd. Turn right onto 6 1 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: "31 E Carr PI W" rn 0' 0) CT)SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. OFFICIAL USE ONLY BELOW THIS LINE UPGRADE/FAILURE SOURCE(for reporting purposes) 0 VOLUNTARY 0 MAINTENANCE/PUMPING 0 BUILDING PERMIT 0 HOME SALE ❑COMPLAINT 0 OTHER COMMENTS:CONDITIONS INSPECTOR SOIL LOGS AA * (-30 CS (14001k.. 3U--•(S *4,6elp �, Alt r 2I?�0�� � �r By 0•'6 0. RECORD DRAWNG AND INSTALLATION REPORT SOIL CODES: REQUIRED FOR FINALAPPROVAL V=VERY G=GRAVELLY S=SAND L.LOAM S:=SILT C=CLAY E=EXTREMELY R=ROOTS DATE qPP TION APPROVED:ISSUED BY 1(1. TOR SIGNATURE DATE APPLICATION EXPIRATION DATE Il/� �n �/y�/ �f] /`--?j t `D JQ Vl 1, �l jil)tk iltf) , ,C TH F Y 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 Permit Number: SWG .. % 3 ~ Designer's Name: Arrow Septic Designs Applicant's Name: Zenith Group NW,LLC (360)898-2255 Designer's Phone Number: P.O.Box 1708 Designer's Address: 171 E Vuecrest Dr Mailing Address: Union WA 98592 Rochester WA 98579 State Zip City State Zip City DESIGN:PARAMETERS Treatment Device 0 Glendon Biofilter 0 Sand Filter 0 Mound 0 Sand Lined Drainfield ❑Recirculating Filter,Type: ❑Aerobic Unit Make/Model 0 Disinfection Unit Make/Model Other: Drainfield Type ❑ Sub Surface Drip El Gravity fi�Pressure 0 Trench C 'Bed Laterals Septic Tank/Drainfield Specifications 40 Number of Bedrooms 3 Schedule/Class Len h 22.5 ft Daily Flow:Operating Capacity 270 gpd g 1.25 in Daily Flow:Design Flow 360 gpd Diameter 8 Septic Tank Capacity(working) 1,200 gal Number 2 5 ft Receiving Soil Type(1-6) 3 Separation Orifices Receiving Soil Appl.Rate 0.8 gpd/ft 40 Required Primary Area 450 ft2 Total Number of Orifices 450 ft2 Diameter 3/16 in Designed Primary Area 60 in Designed Reserve Area 450 ft2 Spacing Trench/Bed Width • 10 ft Manifold40 Trench/Bed Length (2)22.5 ft Schedule/Class 7.5 ft Elevation Measurements Length1.25 in Original Drainfield Area Slope 3 % Diameter New Slope,If Altered 3 % Preferred manifold configuration used? lt�Yes 0 No Up-slope 19 in Transport Pipe Depth of Excavation 40 from Original Grade Down-slope 6-16 in Schedule/Class Length 40 ft in Designed Vertical Separation 24+ 2 in Gravelless Chambers Required? 0 Yes lid No 0 Optional Diameter Pump Required? lif Yes 0 No Dosing and Pump Chamber 4 doses/day Pump/Siphon Specifications Number of90 gal Diff.in Elevation Between Pump&Uppermost Orifice 5 ft Dose quantity 2 ft Chamber Capacity(flood) 1,000 gal Drainfield Squirt Height/Selected Residual(head) Pump controls:Please check those required. Uppermost Orifice 131Higher 0 Lower than 23 6 p Shutopm Timer l�Elapse Meter Q'Event Counter Capacity @ Total Pressure Head inutes ,pump off 6 hours Comments Calculated Total Pressure Head 7.71 ft If TimeE Z 8 2023 � � LnciN "fNvrKUNMENTAL riEALTH JBW VvV DESIGN FORM—PAGE TWO Assessor's Parcel Number:2 2 0 1 8 — 5 1 -- 0 0 0 6 6 Permit Number: SWG -- DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch Fid Test hole locations Drainfield orientation and layout Reference depth from original grade: lid Soil logs El Trench/bed dimensions and B( Septic tank critical distances within layout Drainfield cover lg Property lines121 Reference depth from original grade ❑ Existing and proposed wells D-Box/Valve box locations within 100 ft of property Gil Septic tank/pump chamber and restrictive strata: ❑ Measurements to cuts,banks,and locations gi Laterals,trench/bed,top and surface water and critical areas RI Observation port location 0 Cuttattom in drain collector ❑ Location and orientation of Q( Clean-out location 0 Cand in augmentationco le curtain drain and all absorption Eg Manifold placement Other cross-section detail: components Eg Orifice placement Eg Location and dimension of g Observation ports/clean-outs Eg Lateral placement with distance primary system and reserve area to edge of bed_ Other Information RI Buildings lid Audible/vis , jl4rm referenced Yes No EZi Direction of slope indicator Scale of d -, own on scale sf l6 0 Designstaked out bar i�° 0 lg Recorded Notices attached !� Waterlines e' •'•: .� 0 [�Waiver(s)attached lid Roads,easements.driveways, ti�0, wik,h '.�� El Pump curve attached parking •,�/L-% 0 g Evaluation of failure id North arrow and scale drawing .t. r �' S1G saa �'• Non-residential justification shown on scale bar s�a' PAULA JOY JCHNSON ; ❑ l�Waste strength 'Lft t4 > •1U 'i N 'V 0 g Flow DESIGN APPROVAL The undersigned designer must be n.jj by installer t time of installation El Yes ❑ No •- 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 on-site regulations: II 0 ) (NiI( n 2 2 3 Emir. 411 ealth Special Date CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved"by Mason County Public Health. ✓ /' — _2 v1 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. Web site. This form may be scanned and available for public view on the Mason County Updated Date: 12/7/2015 / • • ,t 'a_* �3 ; V-. jAme� rI` o-y y , / • ' r a � e/ • E` y • ,. ,- .. It,/ . 1. SAllifl {T L ti a!+ 4 .' t ^rye j<�! • ',a A. �▪i▪ {*.,. 0� a ""• i•• f�../ , ,'may/• `S • l• •`•v Jy: 10 t ^• �, <~ 14 D (� y . !fir. t N '^,'.19'..'• P.`e`-_ �/ (A — W i _2 °�\ R,, t ' � z R i n t ,, . 4... 4 ,. f�, i 1r • , • t, O co r rZm i _ m — \ • .� ` a +f 9 S Q ! ' I 'i IA,'. 't,;, ' ."-,, 2.Y. i'}... 4 l'' '''''•••••"n ''`.*...s. 7.:.. •‘/‘ • liesimmir t --•• i' NM 1 P lit 2.''' 111. :: ..i iY.7''' 11+4 i.. I.t ,PC:7( -weers I\ — 0 I� I' APPROVE MASONcav3�N 2 8 4023 T ENV rRaNMENTAL HALT 28 JBLy ti miiiimmomimmor \N(1 ,<\,..) 74 2 V �o�x 2z� �-- I ' icy xZz. $eta y" / to° � itse,o}e y Pr;w'ar^Z gx'� tr ` 1.� \ a3%. 2z•S' •' 0 0 'V 40 10 X L_ L ' st,, . =',0_,4,,, sii 0 0 _ ? Qt22O1q)-5H OOYD(dc P Pos ) WA" Rg58i 1 . *,, t 33 —z3 4 ,,,D a'-.ems-.)I� D r; � --r /Fcw K.t v,g (2) i 0 I 0-2-,S j ?r i onaf )D`eu-S 2c.1 V.). g . 4 (.2) 7 .•51 F,e5ev.1.-e cox r -1? t .5 J 5 A Hey: 0 Audio-Visual Alarm =' A . h Cleanout 02 Compartment with 1200 Gallon Septic Tank 4°� 5100;49 •••s�'� Ale' PAULA JOY JOHNSON •". Effluent Filter o-ccx- -t$tr LEgiGN a 0 1000 Gallon Pump Chamber AppRovE JUN 2 8 2023 ,MASON COUNTY ENVIRONMENTAL HEALTH JBW _ 3 cgfi . atl r., • T S,Q ��ct ?p� lq ��w1etX. al sleep fle a<< 0 C Bed 2 ,,,, ,,,,A�0cr C'QavL,tiA�7K -�Qs Prt 40 'AO 30', co`'w►�.i.dep 1 5' k-k Lea . 6e.a. has 1` --letd ven 'MIX (�)2�'1.25" Sched 40 Laterals B ib" / • (S 13/16" orifices 60"00.C. per lateral. . . 1st & last on t� /as. 30� /0 /5 n from end of bed. ,- i,s Z" V�Q.v -- �i(Dee I `o s' (0' (S' Zc' 3 `oSleP¢ _ e LQ SCREW ON CAP 45 DEGREE ELBOW NOTE, LATERAL �O=OBSERVATION PORTS--TO BE 4" END OF oe(FiCE PVC PIPE FROM BOTTOM OF TRENCH TO FINISHED GRADE. REMOVABLE DITCH DETAIL CAP SHALL BE INSTALLED ON CLEAN OUT OBSERVATION PORT PIPE. ANCHOR ON ,, , 0 BOTTOM WITH GLUED ON TEE. `( CLEANOUT TO BE FROM 0 TO MINIMUM OF 4 IN SYSTEM. ' NOTE, ; `���, INCHES BELOW FINISHED GRADE. IMARK ENDS WITH REBAR. CLEAN OL ,i''' .^ REQUIRED AT END OF EACH LATERAL ' ( i.AN -- wA \ ..::?...?.:' 510034g � PAULA JOY JOHNSON .?� '____,..\ �' of f 8s g-[L i s� (0 —110 /S` .�O 04 tth, Y 3 c .? Do t. I 'l Ma ��LkILW` O e �_, iskiA' af 0(' a is — �� b . ,.. • A I , 24 „ J vt • . ,q,,„ c�N UN ? 23 PAGE4 OF S WAGES J,, e�R0NMENI.. IL y 1�V s4[Ty Length Length Orifice # Distance from Distance from Lateral# (In.) (Ft.) Spacing Orifices Feeder Line (In.) Cleanout1 (In.) 1 270 22.5 60 5 15 5 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 ITotal Lateral Length 180 I l Total# Orifices 40 GPM = 23.6 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 j 5.00 ft. /1 ). Total Dynamic Head 7.71 ft. 4IP-. .-14. I .. .,. , •4.._15$.....1,,. c,), _ -,.Y 51349 ' , 00 ' PAULA JOY JOHNSON .; A' L,c fJsl= i r),SiaiVI ' � PROVE JPPR UN 2 8 2023 M QN C0tUNTY ENVIRONMENTAL HE Jaw ACTH 137 139 14 y '' 151, 15s 0 -.14.1. Flow-Mate —waist Dose-Mateer eta.'"lehk In high head dewatering or effluent This is our fastest growing line of effluent applications where pumping pumps.The 150 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 well 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 motorand Z non-clogging vortex impeller add up to a W a long-lasting,trouble-free product.IlleLjetAe E INTHE USA l.L. �i. I MADE INTHEE USA n W a APPLICATIONS: APPLICATIONS: a • STEP or onsite applications • STEP or onsite applications M • Water transfer • Light commercial dewatering N • 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. is E PUMP PERFO:, ANCE CURVE li PJMP PERFORMANCE C. E MODEL 151 152'153 MODEL 137/140/145 50 n ,...... .■ . 14— 45 153 m ,......... m OS .,........ 12_ 40 m ■......... i 35 152 ' w ..,'....... U 10-, 30 9 "■.....■ z 8 T5 151■.,,,...... ''a „ ...`.....■ [ F-MIIMM.V111.11.1111 I-- 6_ 20 .._..",.... B1 4- 15 ' r. ■'''■.,■.■ �'. 10 ,,..�� ...MEMEMII. 2- LJ ' .. .....RI.... ApoLL0R , 5 ■■■■■.i■.•■ ■■...®.■11® 50 60 70 80 90 100 o w , u 0 ti '� TER$ 0 40 . 00 240 200 320 360 ��, N,rtms o lei �w NC +-^ 2�23 MINUTE O'4508 na.r•n•wrt '.52e56. 8 UL•.17 r_ p ©All rights reserved. ZOELLER PUMP 150 - _ _,_,'EJ��94?-786 I z mps.com �2 v Jays, AL HEALTH . . - --- - - _—:-----7--------_ ------------. . *WM LSO wrni cos Twin"SEAL, i • i \ •- fi 24'DI/4MM .1. AftEiS -------- Foam Gum ,--------- '-.-- ---—_ \. . .- 1 ____-- -------_ 1 --__-_ °—= • i ----..., ---..-I------T.- r"--'4- , . ..agszo 1 3 ‘ri........ dmm•NE. i I r....n •••10. . TO PUMP 7------747, 4--(177\7;-----4. 7 --1 1 ' ------1 ' *I '- 1 i 1 ' ! • I i • , I FRO*SEWAGE i 1 i 1 FLOATOJE MAT „ • • : 1 i f---, H " I i 1 I i i • • t 1 i 1 1 i4.1„. APPROVED -...1 i EMMET - I 1 1 -- z 1 1 i FILTER Vt.,erk0 C_,C1/4K,, ! 1 ; SEDVIDETS 11 II V.k.);•••&k.--"V\NAA.,‘AA er-rk9-\-1) , I 1-----------1 i 1 . SEPTIC TANK • . . . (TIMM) : 1 SEZEMED UP 1Nini GA5 TIGHT SEAL THREADED unzon 24'=MEM • ACCESS . SOMME FINISH GRADE - N‘. 1 2. VALVE a _ 1 = San= ..s . 1 PROM • t7f - —*To DRAnamELD , .4 . TANK ri - 1 11-. . Ili I --.-7-r- akteReartcr, STORAGE ! . 1 I • i i - I • 1 1 1 I AIM I NM WATER ALARM LEVEL ' I i 1 i• i I VA SPHON LVE* f i " "C 4 / NORMAL TIMER OFF LEVEL1 1 WaRiaNG 71/24•UKE : <.-.....+__44, INDEPENDENT . -------"0- i• Li f i R.CAT MEM , ,...j • ! I FOR FLOAT 1 i ENCLOSED PUMP POLTt -; SEDIMENT z • .'i--,-) P SHROUD i VALVE v ,- 1 i -= ser0 G-Q1. • ' -..-.- 1 g" I - I l I - SEDDIUNTS • Y SULSIMERSZBLE • • kf\ . ' -e546k 1 . ( i COMM:MAL 1 - 1?5 MbieleilakitinER P p ern:mama A R 04 , , "Note: Septic Tanks must meet standards required by WA r 2 64c-zvar.. 20,16 .. and manufacturer must be on the Dept of'Health iIst of registered tip***-"r • Nit4EA, z8w A HEALT0 - sk a t vary+'" V f tk DV✓ � •-o' ~A.,,, �!\ D STALLATION & 1vL fiE_�jAI�ICE ••. PA LA JOY JOHNSON ';� Pressure Dis*=i bution Systems - Bed a L'�C YLA O HNSO EXPIRES PI I. Install Laterals with contour of the ground. 2. Install bed bottom level. 3. Install locator tape or rebar at each end of all drain-Feld laterals.m of 2 required in each 4. Install observation ports as indicated on the plot plan.=Minim interface. Glue"T"to bottom so bed with bottom extending t�e ara�ooca�����o� ��l removable cap on top of Observation Port cannot be y port at final grade level. a must be Install5. dra infield during dry weather and soil conditions; any soil smearing eliminated by hand raking. 6. Install threaded clean-outs at the end of all later als (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 required. 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. Pull bio-tube every 6-12 months and fflushback into tank. Q back into the 9. Install check valve in pump outlet line to prevent system from draining pump chamber. 10. 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. 11. 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. 12. Encase all water lines within 10' of drainfield 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. 21. 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. 22. All transport lines under driveways or parking areas must be encased to prevent crushing. 23. Homeowner is responsible for all property lines. APpRovE MASON, JUN 2 8 2023 NTYENVIRO g 9-6-6 JBw MENTAL HEALTH