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HomeMy WebLinkAboutSWG2023-00365 - SWG Application / Design - 8/31/2023} at ': MASON COUNTY 415 N 6TH STREET,SHELTON, ,E 98584 SHELTON: ,S 42 TON, ,EXT 400 584 BELFAIR:360-275-4467, EXT 400 O. Public Health & Human Services ELMA: 360-482-5269,EXT 400 FAX:360-427-7787 On-Site Sewage System Permit: SWG2023-00365 APPLICANT Malissa Fyffe Phone: 360-277-7697 Address: 130 Sereno Circle Dr BREMERTON, WA 98312 OWNER Malissa Fyffe Phone: 360-277-7697 Address: 130 Sereno Circle Dr BREMERTON, WA 98312 SEPTIC DESIGNER PAULA JOHNSON -Arrow Septic Phone: 360-898-2255 Designs Inc. Address: 171 E VUECREST DRIVE UNION, WA 98592 SEPTIC INSTALLER Bamford Septic Repair, LLC Phone: 360-790-2364 Address: 301 E WALLACE KNEELAND BLVD SHELTON, WA 98584 Site Address: 41 E Rasor PI Primary Parcel Number: 122077500340 Permit Description: 3-bedroom pressure system repair Permit Submitted Date: 08/31/2023 Permit Issued Date: 09/06/2023 Issued By: David Anderson Current Permit Fees Paid: $780.00 (additional fees may be requ red upon installation of system). Permit Expiration Date: 09/01/2024 (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/onsiteloss-inspection-request.php or call: 360-427-9670, extension 400. 1.1111.14 <11) CEa SEP 0 62023 OFFICIAL USE ONLY-- RECEIVED DATE RECENED ".,:, MASON COU D . FT�1 COMMUNITY SERVICES �Eo- • RECEIVES r c co """ 0 m Public Health(Community Health/Environmental Health) C (n '1�.• 36042 7-96 7 0.eit 400 or 360-2754467,e t 400 415 N.6th Street-Shelton.WA98584 SWG4101 _ 0 , 5 x Q Z di ON-SITE SEWAGE SYSTEM APPLICATION D x n APPLICANT PHONE m m r Malissa Fyffe (360) 277-7697 c MAIUNG ADDRESS-STREET,CITY.STATE,ZIP CODE K 130 Sereno Circle Dr Bremerton, WA 98312 co SITE ADDRESS-STREET,CITY,ZIP CODE . 41 E Rasor Place Belfair, WA 98528 I NAME OF DESIGNER PHONE I Ni Arrow Septic Designs, Inc (360) 898-2255 NAME OF INSTALLER PHONE I iv Bamford Septic Repair LLC (360) 790-2364 < PERMIT TYPE(select one) DRIIN�NKING WATER SOURCE — - I O IYJ1 RESIDENTIAL OSS COMMUNITY OSS 57 COMMERCIAL OSS Pri PRIVATE INDIVIDUAL WELL 6 PRIVATE TWO-PARTY WELL Z I J TYPEPE OF WORK(select one) PUBLIC WATER SYSTEM u,NEW CONSTRUCTION/UPGRADES (p REPAIR/REPLACEMENT OTHER DETAILS(serest all that appty) ❑TABLE IX REPAIR I I SUBMITTALS 0 SURFACING SEWAGE 64 EXISTING FAILURE 0 SHORELINE MI W Lp1DESIGN FORM(REQUIRED) lif SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE I C)T 5WAIVER(S)(IF APPLICABLE) 3 6.11 Acres o I I DIRECTIONS TO SITE AND SITE CONDITIONS:(ex.locked gate) Take Highway 3. Turn left onto E Highway 106. Turn left onto E Rasor Rd. Turn left onto E 1 I o Rasor Ln. Turn (R) at E Rasor Ln, white sign under power lines. Turn left onto E Rasor PI, r I 0.)sign: "Slow 10". Home will be directly on the left. Tan manufactured home with ropes on o fence. Go in the gate by test holes. Don't let dogs out. (A) SITE SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I CI OFFICIAL USE ONLY BELOW THIS LINE UPGRADE/FAILURE SOURCE(for reporting purposes) ❑VOLUNTARY ❑MAINTENANCE/PUMPING ❑BUILDING PERMIT ❑HOME SALE ['COMPLAINT ❑OTHER: INSPECTOR SOIL LOGS COMMENTS!CONDITIONS TtUU : 0- 9 t F1S if+z . p 58ir FL5 ommuTEr- rli SEP 0 6 2023 i V RECORD DRAWNG AND INSTALLATION REPORT SOIL CODES: V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS REQUIRED FOR FINAL APPROVAL INSPECT NATURE DATE APPUCATION EXPIRATION DATE APPLIC TION APPROVED!ISSUED BY DATE 9(fIlz0z3 7/.tizoZLi 94(7a73 THIS ORM 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: 1 2 2 0 7 — 7 5 — 0 0 3 4 0 A design will be reviewed when 3 copies of each of the following are submitted: Completed design form that has been signed and dated. V Scaled layout sketch,including all applicable items on checklist Scaled plot plan,including all applicable items on checklist. Y 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. liaximum paper size: I1 ' N(1 7'. :..'b""�.`-.�` ? b:S--,4.11g l i ra-leg..•. l°..3 x7id`t itlet0Fii-40ENTI :ATIO ..; _ -.M T .. _ ... Permit Number: S\VG Designer's Name: Arrow Septic Designs, Inc Applicant's Name: Melissa Fyffe Designer's Phone Number: (360)898-2255 Mailing Address: 130 Sereno Circle Dr Designer's Address: 171 E Vuecrest Dr Bremerton, WA 98312 Union WA 98592 City State Zip City State Zip DESIGN PARAMETERS Treatment Device ❑Glendon Biofilter 0 Sand Filter 0 Mound ❑Sand Lined Drainfield 0 Recirculating Filter.Type: 0 Aerobic Unit Make/':Model 0 Disinfection Unit Make/Model Other: Drainfield Type 0 Gravity iki Pressure l 'Trench 0 Bed 0 Sub Surface Drip Septic TankiDrainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class 40 Daily Flow:Operating Capacity 270 apd Length (1)20' (2)40' (2)50' ft Daily Flow:Design Flow 360 gpd Diameter 1.25 in Septic Tank Capacity(working) exist. 1200 gal Number 5 Receiving Soil Type(1-6) 4 Separation 5 ft Receiving Soil Appl.Rate 0.6 gpd/ft- Orifices Required Primary Area 600 ft2 Total Number of Orifices 40 Designed Primary Area 600 ft` Diameter 3/16 in Designed Reserve Area — 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 3 % Diameter 1.25 in New Slope.If Altered 3 % Preferred manifold configuration used? [if Yes 0 No Depth of Excavation Up-slope 20 in Transport Pipe from Original Grade Down-slope 19 in Schedule/Class 40 Designed Vertical Separation 24+ in Length 30 ft Gravelless Chambers Required? 0 Yes 0 No ls'Optional Diameter 2 in Pump Required? 6ff Yes ❑No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 4 Duff. in Elevation Between Pump 8c Uppermost Orifice 10 ft Dosc quantity 90 gal Drainfield Squirt Height'Selected Residual (head) 2 ft Chamber Capacity (flood) new 1000 gal Uppermost Orifice gHigher 0 Lower than Pump Shutoff Pump controls: Please check those required. Capacity C Total Pressure Head 23.60 gpm EifTimer 13(Elapse Meter C 'Event Counter Calculated Total Pressure Head 13.43 ft If Timer: Pump on 2 Minutes ,Pump off 6 Hours Comments P F' .,- d if _ SCP-o & 2023 k(t-i- l MASON COUNTY ENVIRONMENTAL HEALTH DJA DESIGN FORM—PAGE TWO Assessor's Parcel Number: 1 2 2 0 7 — 7 5 -- 0 0 3 4 0 Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch E6 Test hole locations g Drainfield orientation and layout Reference depth from original grade: g Soil logs g Trench/bed dimensions and lei( Septic tank g Property lines critical distances within layout Cf Drainfield cover g 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: ❑ Measurements to cuts,banks,and locations G21 Laterals,trench/bed,top and surface water and critical areas g Observation port location bottom ❑ Location and orientation of 1f Clean-out location 0 Curtain drain collector curtain drain and all absorption lg Manifold placement 0 Sand augmentation components g Orifice placement Other cross-section detail: g Location and dimension of fg Lateral placement with distance g Observation ports/clean-outs primary system ndTe to edge of bed Other Information Buildings g Audible/visurm referenced Yes No 66 Direction of slope indicator lili Scale of dr • a trn on scale d 0 Design staked out 66 Waterlines bar N e. 0 l 'Recorded Notices attached g Roads, easements,driveways, „` ` A 0 C�Waiver(s)attached parking I '--err. g 0 Pump curve attached and scale drawing � �:t g ❑ Evaluation of failure g North arrow ,,,4� shown on scale bar :'c .. s,coaas 4,/' Non-residential justification j-tf. PAULA JOY JOHNSON' 'Q. . 0 C�Waste strength n-as onvc ❑ g Flow DESIGN APPROVAL The undersigned designer must be 'fled , in ller at time of installation lg Yes 0 No &—(.') `Z3 Signature of Designer Date A Pp 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: / SEP 0 6 7 6(/ C ?0Z3 MgsoN 2023 v ro ental Health Specialist Date OUN�E J�NMfNiq�HFA: CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved"by Mason County Public Health. 7///?0 V The Onsite Sewage Permit has not expired,the Permit Expiration Date is: zy V 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 1 . • Arrow Septic Designs . 171 E. Vuecrest Dr. Union,WA 98592 August 4,2023 Mason County Department of Health Services 415N6thSt Shelton,WA 98584 RE: Malissa Fyffe(Parcel#12207-75-00340)Evaluation of Failure Dear Inspector: Attached is a repair/upgrade septic design for a property located at 41 E Rasor Place, Belfair,WA 98528. There is an existing 3-bedroom manufactured home installed in 1992 that ties into a gravity septic system of the same era. The existing system has a 1,200-gallon 2-compartment concrete septic tank followed by a gravity drainfield. The septic system was recently serviced,and it came back deficient. The drainfield is not taking water the way it should. The owner has been fighting slow drainage and is ready to move forward with a replacement septic system. Because of its age and condition,the old drainfield will be abandoned. The installer can keep the existing 1,200 gallon 2-compartment septic tank if it is in acceptable condition and add risers and lids to the surface and an effluent filter. The septic tank is to be followed by a new 1,000- gallon minimum pump chamber. The new drainfield consists of 600 s.f. of shallow pressure trenches using an application rate of 0.6. The system will also have a control panel including timed dosing,a counter and elapse meter to prevent overuse and facilitate ongoing operation and maintenance. There are no surface water or well setback issues. The property owner's contact information is as follows: A P/�RO Malissa Fyffe I" VEC Sereno Circle Dr EC. Bremerton,WA 98312 SEP 0 6�423 (360)277-7697 MgSON�OUNTy f If you need further information,please contact my office at(360) 898-2255. D A NMENTkL Hp NA Sincerely,A ..,..t. ....,,,,,, r•-' .01r4 . opf si it < '•.a+ 5100349 ,� Y "-tr. 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Mg1iSSa .F-e ,Nrn Vc,Marce I 1224 7-�5-oo 3y o 141 Race r PlaCf _ / SCaIr. t 3o E, 1 I I 1 too' a 15 30 95 (vO = -Te s-f Ho l e # I ^' 1-14" LS +o wit 4 2 ti S S FL S ro o-f-S \`', � E ; s+;1, d rasr\T-;4 l d o be jaborlo liked, 3 ExiSTiNb 3 BR. 7 ' PROVED P (00' . �6, eas rvu)1i- SEP 6 2023 , ;,O o MASON COUNTY ENVIRONM TAL HEALTH u o DJA �0,y srOAuK ri N dio-visual Alarmv. �p 0 Cleanout Ex;S+;v\qq • I 0 1200 Ga71on Septic Tank /\ a'.r 2-Compartment add Effluent Filter,r;5?IS +1:dS '0i 0 1000 Gallon Pump Chamber d aC OS Valve Control Box ` W Sy' ti (I) 3 xz '� 4v E Rasor LN (2) 5'x40 .,4. ..4 (2)3'x 56 e R,I m f\( ,`i .(Z 11 N FIE L(J :-.F,.?. -1-R,ENCHES 0 � OC.), r g. :.! 5,Cf,3..0 Ntk }' PAULA JOY JOHNSON _ 'c s'Lcu "i�r��a.� 4- ?t � bo" �20�' �-u �`�- . U ' T is l • T `l astk- Clf G y p 30 11 Z Qp^it(tkiiric 7;6 0 14c0 v&A1n, t '9/k-t 1-° I , cre%. 1/ ' -M f rew 1 1 a,to ye.l 5 ��,, o G '� 3. ` i°71•' • t r . • _ L,c,o J - I-- 3d . A .4 gc •.1 (c=/O :I m •S . to Is 2 . ,:. , '• "OU3d9 } `,'� PAULA JOY JOHNSON T '�'°•cic rsrtit�iemi a. ExPIRSS 11 / 0%osQr .tekA n+� i70 0 rMN•ak • I "lsea0..Cmk4- I. 61,14rEldesN iciti f Aiih, ../ V 2_0" SEP 2023 i . a \..i -__ C4t: /.24111-94"JL IN COUNTY ENV'IRON',iEJ,.�y}I:I L¢� _ G.IA ,Y . 3 L� -x- • co-----SCREW ON CAP S Cie.a .. ;•1= i 1y �( © ' �'� z1 214 -k- 45 DEGREE ELBOW �.�,k _Sec, K TERAL END OF Not=. (Typical Trench Layout) DITCH-tof DETAIL Observation Port—m par8otatod CLEAN OUTPVC p foam bottom alma to flubbed grade. A removable cap shall be installed on • observation NOTE, CLEANOUT TO BE FROM 0 TO 6at Cie at bottom INCRFS BELOW FINISHED GRADE. snPm�� �' M MARK ENDS WITH REBAR. CLEAN OUTof 5ia system.at end of each trench Lateralsare to be ceatzred in Melia. REQUIRED AT END OF EACH LATERAL. Length Length Orifice # Distance from Distance from Lateral# (In.) (Ft.) Spacing Orifices Feeder Line (In.) Cleanout (In.) 1 240 20 60 4 30 30 2 480 40 60 8 30 30 3 600 50 60 10 30 30 4 600 50 60 10 30 30 5 480 40 60 8 30 30 Total Lateral Length 200 Total#Orifices 40 GPM = 23.6 Dynamic Head Calculations Selected residual pressure: 2 ft. Length (Ft.) #Orifices Transport Pipe 30 40 0.30 ft. Feeder Total Lateral Line Length Lateral#1 20 2 22 4 0.02 ft. Lateral#2 40 7 47 8 0.17 ft. Lateral#3 50 12 62 10 0.34 ft. Lateral#4 50 17 67 10 0.37 ft. Lateral#5 40 22 62 8 0.23 ft. Total Elevation Lift may, 10.00 ft. Total Dynamic Head .0' % 13.43 ft. Nor St UU349 ���`�.} APPROVED 'gl 4 PAULA JOY JOHNSON \ SEP 0 6 2023 MASON COUNTY ENVIRONMENTAL HEAL Ti' DJA 0• E@ AIVAL NT i"�3 137l,� !. . - 151,, 15 ; f..-- Flow-Mate _-•. Dose-Mate • 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 i 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 f- ` 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 H ..................--.7: the hermetically sealed,oil-filled motor and Z non-clogging vortex impeller add up to a a long-lasting,trouble-free product. 04' _1 ....... 10 U- MADE INT*E USA o -rarsnr,u°ra•an I MADEINTHE USA ` cwoe.n W C APPLICATIONS: APPLICATIONS: te •• STEP or onsite applications • STEP or onsite applications pa %., v Water transfer • Light commercial dewateringtJJ �r • Light commercial dewatering (BCD Q SPECIFICATIONS: JCr U 2023 SPECIFICATIONS: • 1-1/2"NPT discharge MASON • 1-1/2"NPT discharge • 3/10 HP through 1/2 HP ONNrYavir, • 1/2 HP through 1 HP • Available in nonautomatic or with a variabl,jet ENT'IL HEALTH • 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. W ELL PUMP PERFO' •ANCE CURVE lPOMP PERFORMANCE CURVE MOD 151/152/153 MODEL 137114C1145 50 • n ,......... 14- 45 153 :c a ,......... w .,........ 12- 40 u „ .,........ 2 35 152 " 111M111111..111.11 10_ L.)f° ,"....... 'C 30 ..,,,...... }0 8- 25 151 11 » ...\...... o 8_ 20 M...M..... ,, ....1M11... 4_ 15 m .'''..,... 10 ` ■■■.M\\\■. 2- .■■ ..1I►\.. 5 • r ■..■.II■\IN ........®® GALLONS 10 20 30 40 50 60 70 80 90 100 LITERS CAL.CNS 0 40 80 120 160 200 240 280 320 360 : AO •A m 5 ONKP WWMR• 152656 FLOW PER MIND-E 0-45C8 8 ©All rights reserved. ZOELLER PUMP CO. 1502-778-2731 1800-928-7867 I zoellerpumps.com . - -- - -- . — - ------ Prfk5ECURIN)LW wrrn GASTIGHT SEAL 1 A41,24.DIAMEn3t .. - i 4 • ACCESS RISE% MESH GRADE 1 ,...-6,. ...--. - , , • ( i : . ._ ; -7----- N) - i 1; =t /-1-- , , -I, t ' t i , TO PUMP I .,_.,„_1--r... I i i -71-P7S----.4 I ? ,..... ,....... i . 1 I FROM SEWAGE 1 i i 1 1 FLOATING MAT ii , il 1 .1 1 i I 1 i Ne.mo , I •I i I 1 APP4VED . I 1 1 ; i 1.....: 1 r4-1.1--- ...... , 1 \ 2c G4 sao 1 1 FILTER I 1 r i i 1 1 i I • i I() Thrt ' SEDDIBITS 1 I I Ck4rk_Q-j\--tio ' H.----"...---------/- -.........,.........N.,.........._................A1 PpR 1 OvED , 1 ‘..k.„\--.....;;.(.....A.„,w, • 1 ______.i 1 l ,;\ 1 I• SEp 0 c - SEPTIC TAN COON023K MASON i . rTYPICALI TY ENV/ I - n RCINME I /\ sa_Q_Csly \s-O\JoIL C.Jn`c44--k-. _J A NrAL HEALTH f =mixt LID WITH GAS TIGHT SEAL THREADED imam i 24'DUMBER ACCESS RISER. i • . Foam GRADE . - VALVE* • •m.m..•............. .... .....=.1. = e / FROM SEPTIC -=; /1 TA \NK i • --ob.TOAD * : i if- • i 1 EMERGENCY SFCRAE • : if ; 1 I 1 ANTI SIPHON WM WATER ALARM LEVEL ii , Alt i i A i I 1 NORMAL TIMER OFF am ' woRaNs voLLN4E , i - INDEPENDENT : -.......„..... — I FLOAT STEM i ENCLOSED PtD4P • ; „ , ANR FLOAT MOUNTDIG • -4----, i ) , ,3_,. .0 &a_0_,4_ 1 SEDDIENT SHROUD z a= t CHECK VALVE Cgc % ' succrmarcfs i ------- 7-=',. suBmEnsmiu 1 \\Nd\ A,VA/\ cermwtscau. PUMP - MffectiAMBIER. . i i eTYPT.cAL) k =As NEEDED **Note: Septic Tanks must meet standards required by V,i ,C chapter 246-272C • FIGURE 2 .• and manufacturer must be on the Dept of Health list of registered sewage tanks.** . . . . • rile ofl . . _ av Septic Deis t:.. - 744,E�, , .14_ f ?�r3..`LtiSTALLATION & =VIAL�i TEi '�C �� Pressure Distributon Systems r "�= '` ,} "• 51JU349 �.y1' ` .. PAULA JOY JOHNSON•• ' ‘% g6 �5� 1. Install Laterals with contour of the ground. ��. - p'ogkoisl 15/ 2. Install trench bottoms level. 3. Tnstall locator tape or rebar at each end of all dra.nfield 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 drainrockinative soil interlace. Glue "T"to bottom so Observation Port cannot be easily removed from Bound. Instal' 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 band 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(rein. 12 sq. ft. surface area, not to interfere with controls or floats.) Or pump screen may be substituted with Bio-Tube in septic rank. 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 i 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 fiiling. If the drain roc extends above natural grade, run the filter fabric at least 2 inches down the trench walla _ 13. Encase all waxer lines within 10' of dra.infieid and under any driveway/parking 14. Divert all storm water runoff away from on-site sewage system. �Eub 15.No curtain drains allowed within 10' of the up-slope edge or 30' of the down, e 1 of the drainfield and reserve area. M4,504/ p�U��r ,. /O23 6. Have the septic tank and pump chamber pumped or inspected every 3 too 34 NVI • 17.No vehicular traffic over drainfield area. p JR�44iel 1E•'tqz 18. Inspect floats, clean filters, and test high water level alarm every 6-12 months as needed. f�`'4CTr 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, san-ipling or inspection pots must nave locking covers and be located at ground level. 22. 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. 23.All transport lines under driveways or parking areas must be encased to prevent crushing. 24. Homeowner is responsible for all property lines.