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HomeMy WebLinkAboutSWG2023-00135 - SWG Application / Design - 4/13/2023 MASON COUNTY 415 N 6TH STREET,SHELTON, ,E 98584 SHELTON:360-427-9679670 EXT 400 r 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: SWG2023-00135 APPLICANT LEGGETT WILLIAM & HELEN Phone: Address: 10701 N 99TH AVE #96 PEORIA, AZ 85345 OWNER LEGGETT WILLIAM & HELEN Phone: Address: 10701 N 99TH AVE #96 PEORIA, AZ 85345 SEPTIC DESIGNER CINDY WAITE-Septic Designer Phone: 3607010205 Address: 80 E PICKERING LANE SHELTON, WA 98584 Site Address: 190 E Dogwood Ln Primary Parcel Number: 321045200145 Permit Description: New SFR-2BR Nuwater+ Oscar Permit Submitted Date: 04/13/2023 Permit Issued Date: 04/24/2023 Issued By: Jeff Wilmoth Current Permit Fees Paid: $780.00 (additional fees may be required upon installation of system). Permit Expiration Date: 04/24/2026 (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/onsite/oss-inspection-request.php or call: 360-427-9670, extension 400. OFFICIAL USE ONLY MASON COUNTY PUBLIC HEALTH DATE RECEIVED 4 ' ( 5 3 1 D ONSITE SEWAGE SYSTEM APPLICATION AMO IVE RECEIVE Y. CO Cn 415 N 6th Street,(Bldg 8) Shelton WA,98584 �0 < co Shelton:360-427-9670 ext 400 Belfair:360-275-4467 ext 400 C p'( �1b _66 IS5 O .7 1111 O xi z 6 Z D APPLICANT PHONE HELEN LEGGETT 360-490-2958 m X m MAILING ADDRESS-STREET,CITY.STATE,ZIP CODE r PO BOX 666 UNION WA 98592 3 SITE ADDRESS-STREET,CITY.ZIP CODE co 190 E DOGWOOD LANE UNION WA 98592 m NAME OF DESIGNER PHONE I W CINDY WAITE 360-701-0205 NAME OF INSTALLER PHONE I N TBD CHECK ALL APPLICABLE ITEMS DRINKING WATER SOURCE ❑ ` Id NEW CONSTRUCTION 0 RV HOLDING TANK ONLY 0 PRIVATE INDIVIDUAL WELL w I CI ❑ REPLACEMENT SYSTEM 0 INSTALLATION PERMIT ONLY 0 PRIVATE TWO-PARTY WELL Z ❑ TABLE 9 REPAIR 0 SINGLE FAMILY llr COMMUNITY/PUBLIC WATER SYSTEM I ❑ TANK(S)ONLY ❑ COMMERCIAL SYSTEM NAME: ALDERBROOK WS I t ❑ BEDROOMS LOT SIZE UPGRADE TO EXISTING 0 OTHER: C31 ❑ EXISTING FAILURE "Record Drawing required for all Installations" 2 117'X126'X16 ' coO I N DIRECTIONS TO SITE-BE SPECIFIC AND ADVISE OF ANY NEEDED INFORMATION FOR ACCESS(ex locked gate) C7 1 GO OUT MCREAVY RD, TURN RIGHT ONTO MANZANITA DR, TURN : - -ONTO $' I o JACK PINE, TURN LEFT ONTO E VINE MAPLE, LOT IS ON CO' '" Ft C5F VINE MAPLE I o AND DOGWOOD LANE ON THE LEFT. Q.\ f ..--, 1 •, 202 r- \lt kr;, ' L t o SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST H&I.ENUMBERS --- OFFICIAL USE ONLY BELOW THIS LINE UPGRADE/FAILURE SOURCE(for reporting purposes) ❑VOLUNTARY ❑MAINTENANCE/PUMPING ❑BUILDING PERMIT ['HOME SALE ['COMPLAINT ['OTHER. 0 I OIL LOGS �/ / COMMENTS I CONDITIONS 1N, l 0 C 5 j �' r( l SOIL CODES: V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS I CTOR SIGNATURE DATE APPLICATION EXPIRATION DATE LIGATION APPROVED BY DATE dtaA*-- (4,-q'):51 THI FO AY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSIT REVISED 12nr2015 `DESIGN FORM—PAGE ONE Assessor's Parcel Number: 3 2 1 0 4 — 5 2 — 0 0 1 4 5 A design will be reviewed when 3 conies 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 2e 2 3 cc 1 35' Designer's Name: CINDY WAITE HELEN LEGGETT Desi ner's Phone Number: 360-701-0205 Applicant's Name: g Mailing Address: PO BOX 666 Designer's Address: 80 E PICKERING LANE SHELTON WA 98584 SHELTON WA 98584 City State Zip City State Zip DESIGN PARAMETERS Treatment Device ❑Glendon Biotilter 0 Sand Filter ❑Mound 0 Sand Lined Drainfield 0 Recirculating Filter,Type: lt'Aerobic Unit Make/Model BNR500 ❑Disinfection Unit Make/Model Other: OSCAR Drainfield Type ❑Gravity 0 Pressure 0 Trench 0 Bed 0 Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 2 Schedule/Class NETAFIM Daily Flow:Operating Capacity 180 gpd Length 100 ft Daily Flow:Design Flow 240 gpd Diameter in Septic Tank Capacity 8NR 500 CONCRETE TANK gal Number 3 Receiving Soil Type(1-6) 4 Separation .5 ft Receiving Soil Appl.Rate .6 gpd/ft2 Orifices Required Primary Area 400 ft2 Total Number of Orifices 100X3=300 Designed Primary Area 460 ft2 Di eter EMITTER in 4.4 Designed Reserve Area 460 ft2 ,c,lt 6 in Trench/Bed Width 20 ft ti Manifold r Q. A f Trench/Bed Length 23 ft ;`‘5ochjdu �1�.•• 411 SCHEDULE 40 Elevation Measurements „ifo " .. . �' �• t0 v 66 ft Original Drainfield Area Slope 1 Y,44 '•'( er 1 in New Slope,If Altered ' mrrptani• i11 onfiguration used? 0 Yes 0 No IC SED DESIGNER 41 Depth of Excavation Up-slope 0 =`.�� ` �� ��it�� �� T. Transport Pipe from Original Grade Down-slope n E ' .: ,•I Ta. /I r:s•` -';'''ci NA Designed Vertical Separation fit{ ' AP e ii. ft . + 2023 f Yes�,N �?�'� Diameter �" in ' OUNTY ENVIRONMENTAL sildg and Pump Chamber Pump Required? El Yes 0 No Ruu Pump/Siphon Specifications ' WT of doses/day 360 Difference in Elevation Between Pump Shutoff and Uppermost Dose quantity .77 gal .01, Orifice 5 ft Chamber Capacity 1000 gal Uppermost Orifice El Higher 0 Lower than Pump Shutoff Pump controls: Please check those required. Capacity @ Total Pressure Head gpm ElTimer l 'Elapse Meter l 'Event Counter Calculated Total Pressure Head U . ft If Timer: Pump on 22sec ,Pump off 3.63 min Comments 44Concrete tanks required, stumps to be left and cut off at ground level, after clearing, designer will stake :3, out drainfield. 1,4 b For„ tee, 4.0 se, c, hr j 44o4pr ciAjj p ei 4 • DESIGN FORM—PAGE TWO Assessor's Parcel Number: 3 2 1 0 4 — 5 2 -- 0 0 1 4 5 Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch 0 Test hole locations l21 Drainfield orientation and layout Reference depth from original grade: Soil logs if Trench/bed dimensions and g Septic tank 66 Property lines critical distances within layout l Drainfield cover p( Existing and proposed wells t� �, eetibrrs Reference depth from original grade '-Within 100 ft of property g Septic tank pump Cha ber and restrictive strata: 4 j easurements to cuts,banks,and locations p/a, /lia, 121 Laterals,trench/bed,top and surface water and critical areas gi Observation port location bottom qA Location and orientation of el.-Clean-out location 0 Curtain drain collector curtain drain and all absorption Manifold placement 0 Sand augmentation components Orifice placement a 4,,,, Other cross-section detail: Pi Location and dimension of It Lateral placement with distance Iif Observation ports/clean-outs primary system and reserve area to edge of bed g Other Information i Buildings RI Audible! isual alarm referenced Yes No Direction of slope indicator I1 Scale of drawing shown on scale 0 0 Design staked out 0 Waterlines ❑ 0 Recorded Notices attached It Roads,easements,driveways. APROVED ❑ 0 Waiver(s)attached parking ❑ 0 Pump curve attached It North arrow and scale drawing • APR 2 4 2023 o ❑ Evaluation of failure shown on scale bar Non-residential justification MASON COUNTY ENVIRONMENTAL HEALTH ❑ 0 Waste strength JBW ❑ ❑ Flow DESIGN APPROVAL The undersigned designer must be(dried by ' staller at time of installation It Yes 0 No ecAlti / 11/i 2r./2-7 Signatte4of 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 - .te regulations: E iron al Health Specialist Date CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved"by Mason County Public Health. 0 ✓ The Onsite Sewage Permit has not expired, the Permit Expiration Date is: ` — 2. l 4' ✓ Drainfield site conditions have not been altered to adversely affect conditions of design approval. _yt 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 , AAPPROVER APR:2 4 2023 MASON COUNTY ENVIRONMENTAL HEALTH • JBW 1 1 1. Residence one bedroom 2. Casitan one bedroom ' 1 3. BNR 500 in concrete tank 1e-\ 4. 1000 gallon concrete pump tank (' J 5. Audio/visual alarm 6. Clean outs(2) 7. 23'x20' Oscar primary 8. 23'x20' Oscar reserve f 4 9. Manifold 1" Sejr2,3 O''2-1( " S L , 10.Waterline _ e, rr cp/ is'me al� 0 (- 0- > ', Lir 0A 1'4 1 lip t • • `? /19 , ‘1:1. . ."44 's 11''''\-bi,11 . k' v /e ,DY E. AITE 1 // Al ., I _.SED DESIGNER I if / i. __ EXPIRES°SIM C 13,E . , 0 , \\ , ,A,A . , . 4, ., .. \ \ \ , , ,, ,,s . / to\I \\ , \ 6, \ \ t. ,.. , . e.,.. __ ..„ _, . ----"--- .-''''''-'%- ------"".."----------------------ii.?, 1"..., .,..,.,. / 70; ....„ .......„....,,, ,.._._. ,fit aeaad Lo i J G--- a____2 ' ..A r":/ 32 /0V- 52_ 00 i5,s— Mason County WA GIS Web Map i 1 1 ,:- ir 111111111 f Yf. i4 111)1111111419 _ .'1 Cr III4/e ' Ilk !f - •ri IIV I ti ��: f \ # v • c/ • .. • ` �7t...-', Yam. 1\J/ yt f ti 71 * 4 ,,, I (1 J ,,. * // \ , -, �, \ 4/11/2023, 10:52:55AM 1:3,065 0 0.03 0.05 0.1 mi L' A' County Boundary \\A fill r ri 0 0.04 0.08 0.16 km Li No Filled 0 Tax Parcels (Zoom in to 1:30,000) Sources.Esri,HERE.Garmin,Intermap,increment P Corp..GEBCO,USGS, FAO, NPS. NRCAN, GeoBase. IGN. Kadaster NL. Ordnance Survey, Esn Japan.METI,Esri China(Hong Kong),(c)OpenStreetMap contributors,and the GIS User Community Mason County WA GIS Web Map Application a 3 c v o >n C' UT coa) F. In o 2 Q Q. U Q. 0 c.„,„ "---lei■ 7 PS \ i icR Se tcS \ :—''' CO oa <-' CO D 7s IO w ` J :U w_Iw D . 0_3 . ..._... CO L' / w vr LL j U HIQIM 1VSVEI ° w of lia a" to 1air cc o.. Okl iir it �* 04/14!Sy T 11 of / 6, NV.- ,, 1 ,Al; s O CI 5Y 4WAIF� 44 019 r� L SE ESIGNER\ + ....1.0.0110.8.' p E 0 il E EXPIRES 05'10V `: ,, .446,1 APR 2 4 2023 ;. C ^,^nI;NTV EA1.14GNMENTAL+IEA..- � �f TABLE II Hydraulic Layout OS-100 coils Design Total # of Coils Dose Flush Excess Flow Coils •-ts. 'er lat. GPM GPM TDH . 6) 300 3 3 1 2.1 12 50' • 360 4 4 1 2.8 12 50' 450 5 5 1 3.5 12 ft 480 5 5 1 3.5 12 t:0' Ift 600 6 6 1 4.2 12 6001 AF 41 ièQ 0 -41 CINDY E.WAITE a. LICENSED DESIGNER e/ EXPIRES Us/t0# TABLE III Minimum Shoulder Lengths OS-50 Design Flow Minimum Shoulder LeAlgth in Feet 240 •8 14 300 3 ' .5 t1 360 " . • 450 50 480 55.5 600 66.5 \ The dimensions in Table III represent the minimum re�} ired length of the outer shoulder which include coils, spacing between coils, an ,shoulders. These lengths can be extended to match site conditions. Minimum shoulder spacing is 6". See illustration below for example of shoulder length. i p p R ® V E ;.,, it ::k. tar t'4 # APR 2 4 2023 MASON COUNTY ENVIRONMENTAL HEALTH JBW r F TABLE IV Minimum Shoulder Lengths OS-100 Design Flow q hiimum Shoulder 240 21' 3" 300 21' 3" 360 28' 4" 450 35' 6" - 480 35' 6" i �ia 600 42' 6" �1 The dimensions in Table IV represent the minimum required length of;A- sh.-A er which include coils, spacing between coils, and shoulder. These lenfi ti•. i ,:•��►, extended to match site conditions. Minimum shoulder spacing is 6 f/ �`:. o ,,fs�v illustration below for example of shoulder length. i��v 4/2 51 41 O N E AITE '7.v 0 LICE SED DESIGNER 1�/ ExPiRES J5.10 N MIN. SHOULDER LENGTH -1 or 1 . II . II . IIelIV • 1) • II-:-. sql --.i ii 11 . hLIAO iiii it I ��>,.__III ili7jt ilk ,,11� 11::: INSPECTION PO T : -: - :•-• :: : •- � r I INSPECTION POR e. PROVE1j 4,:., . APR 2 it 2023 MASON COUNTY ENVIRONMENTAL HEALTH JBW ` 9,2 1 DUAL PORT AERATOR WATERTIGHT —, LID VENT(typ) RISERS(TYP) \� r_\_i1-1 36"MAX.I 1"PVC(TYP) -.__ ° RPVC - MASTIC \ ‘L a 4 J �r1 `{f 2'COUPLING \ ! }( 16 REDUCER \ 6' 2'TEE 1'PVC SLUDGE 12" RETURN LINE 2"PVC �_ TRASH CHAMBER DIGESTER CHAMBER CLARIFIER OPERATING CAPACITY:417 GALLONS I CAPACITY:421 GALLONS CHAMBER FLOOD CAPACITY:490 GALLONS I FLOOD CAPACITY:494 GALLONS 160 GALLONS FLOOD:191 GAL. 58" i, ' (------'\\\. /f 1 50• 54 s ,, r 53" of / ? " ' ° 9 /11...!.‘ P P R OVI + I ° - ° �/ r x 1/2'_ ....._.ij TEE Ilk 0 °\ APR 2 4 2023 ,��.P -- �_,�•r 7.",2A1��4 v tot •: .. ? 12' : RCN COUNTY ENVIRONMENTAL.�.o ,I Na4: . l'4 USER BARS(2) JBW LIC NSE/ ER P �+ EL TO TANK WALL / 4" — ����� ���— ���� \ 3* E.K 'rrt_ u5'0 SLUDGE RETURN \ y \ // 1.5"TAPER j'/ SIDE VEIN 1"=1•4 it. STONE-FREE NATIVE SOIL OR COMPACTED SAND OVER STONY SOIL INSTALLATION INSTRUCTIONS 1)Excavate tank hole with vertical walls to 1 foot larger than tank on all sides. g_2. —,� 2)If bottom of hole is stony,install 3"of compact sand&level out with screed. �- r---_ 3)Install tank in center of hole,keeping 1 ft.void space on LLLL all sides. I 24"RISERS'()TYP) 24"BLOWER 11 4)As tank is filling with water,fill in void space with compact I I HOUSING CAST 1 pnr TOP OF Li granular(sandy)soil free of large clumps of clay. 1 I I \ 5)Install rest of system,&affix risers to adapters with I I 3 waterproof adhesive. II I 4'-8" I li 6)Perform watertightness test in field as required by local I jurisdiction. I I I 12"RISER 7)Upon approval to backfill,carefully backfill with native soils over top of tank. I TRASH CHAMBER I I DIGESTER I I L4RFIER 8)Final grade the surface to avoid chanelling surface L __ __ _ __J I _ _ _ __ __ _ __1 L_ _J water toward tank. TOP VIEW 1 U� I'\A '=2.8 R. „y' : TREATMENT TANK DETAIL FOR „„..»�;h AEROBIC ♦t,�� • _ NuWATER BNR-500 TREATMENT UNIT Iv tar iliw ammg I,,` E -r}-.. ENVIRO-FLO, INC. REVISED: . I- , Wastewater Treatment Technologies 3/01/12 ,.,"tw "' • P.O. BOX 321161, Flowood, MS 39232 SCALE: (877) 836-8476 (601)845-4716 fax 1" = 1.4 ft. www.enviro-flo.net rn O N Ln O, I— N Z O W z J W U Q V1 0 ' 6:, :de:I.`6:-. a:;.4•'T";:.. . . :CI::G 4.v.;:•:%E:'i'r,."..,...;vv".« • 6. la) }—C It 5,y_ • 3 oL.�iy.- D • U U 11 v N { V L_ • If�;�.[il c c p I 9 o .,l 3 _ 0v EV 0 at v1 2 N t ' r Q � c J O 0III r r,-.t:.,r,'.t: `r4:7.� , ,,:z1 - ma ._ cG•l<t:•,:'darA::(Y;P:a ::•Jtr. C VI Q Ly 40. O _ • Y Ilk E O 3 w N ti inwl/ 2 ` v.j i, S. t: C9Z Q C C a C A 2' , ' A. X oo . a $ t > ItH L / � 0 /'‘`.1 A pPROV =+.j 51 418` p N m �� INDY W EE�� �� Z p • ' LIC DESIGN h/, 0 APR242 ... . ....�� on } X:3IK E.S u5dta a Z ;,ASC,�COUNTY ENVIRONMENTAL hEAL JBW o . F=L(Q/K0)^1.85 1 CALCULATION --- --------- F=friction loss through pipe I feet of head DO NOT CHANGE ____ L=length of supply line in feet — FILL IN — Q=Flush GPM - - -- K=47.8(1'SCHEDULE 40) __ LENGTH 66 Q FLUSH GPM 12 K (1" SCHEDULEN 40) 47.8 FRICTION LOSS 5.117851 TOTAL HEAD — - — FRICTION LOSS 5.117851 ELEVATION FROM PUMP 1 TANK TO OSCAR 5 TOTAL HEAD 10.11785 <50 EXCESS TDH j --- I i GMP DISCHARGE AT DF — EMITTER GPH 0.42 .42 GALLONS PER EMITTER MINUTES PER HOUR 60 L #EMITTERS 100 #COILS GPM PER COIL 0.7 P-R-0-iti GPM PER TOTAL COILS 2.1 . ■ -- -1 1 --- — .. -. ANT. .MENTAL :1DOSE VOLUME 1 GPM PER COIL 0.7 ` .- INTYENVIROA HEA H COILS - — 3 —_� __ ---, J B W - SECONDS IN MINUTES 60 C SECONDS ON 22 GALLONS PER DOSE • 0.77 ____ —CALCULATION TIMER SETTING DO NOT CHANGE TIMER SETTINGS GPD 77 FILL IN _ GP DOSE 0.77 DOSES PER DAY 360 1- „if ci f e YtAs,,F"%GO V10 \O �� %_.r 4, = 6)_11A V 02 51 is 11s ( CIN E WA TE"• 0 LICENSED DESIGNER I� ZWIWIN IA& gib 417%. Ili 1\........ A EXPIRES 05,10, /O x.-\ o-r1 r 0 07 r ili 0 a U o i) 0 M = 2 0 * it)a) f(160 e- 3 0 I- :: r 3 z --1 (1,---7i 5 'a —‘1 * o \,...._ _, v 1 0 , 0 -o U (SID .C°. , _, _ ,_._,,,,, . FVE 0 , . 1 . ... , mg { � � 0 - 24Z023 .„ , � C� r. t APR 0 0\ 50 ti COUNTY E����IRONh4ENTAL HCHLT - / Q JBW ,F0 i ,, /�VS,P Of Sh •y / 7D I \\\\4 s •q 100418 TF`_41 0 CIN Y C. AIT , b r U 10ENS SIG ER , EXPIRES 05;10, Headworks:II HWN-.7-RF • 3/4" Arkal disc filter, mesh, 130 micron • 3/4" Arad flow meter • Three oil filled pressure gauges • 5 Netafim normally closed throttling solenoid valves OSCAR-II Parts list. 6 p � I� Zie, n-, Each OSCAR-II unit will include: • LF1P-RF-BLWRR control panel )�� • 1 /2 hp, 30 gpm Lowridge Onsite Technologies / • pump • 05-50 or OS-100 Coils • PVC fittings and drip tubing adapters • HWN-.7-RF automatic headworks • Solid 1/" poly tubing for connections • 2 float switches i of I or f1 OSCAR-il coil Connections %``, •e0f fr s _` /aQ� a Q_ o , a, �QI�' Lam. O= C DY WA TE v\ , "..,- _ l d'A\L'Ais;1" r : '. LICE D DESIGNER �+ / -,,i,..7.=----.4—: - ./ . "^�`" =.sn EXi>ItiLS 05!10, \\A Manifolds and supply lines are 1" Sch 40 PVC 11 . L APR 242023 ME ASOrd COUNTY ENVIRONMENTAL HEALTH J8 W Installation Notes Nuwater BNR500 to an Oscar Distribution 190 E Dogwood Lane 32104-52-00145 sr 1. Extreme care to be taken when clearing. Do not pull stumps in drainfield area, cut as close to the ground as possible. 2. Installer and designer must meet on site prior to installation. ,cn '. Oscar drainfield: ASTM C-33 sand media as per Washington Department of Health's Recommended Standards and Guidance for Intermittent Sand Filter. *4. Order NuWater-o kit that does not come with control panel, control panel comes with Oscar Kit to serve both the NuWater and the Oscar 5. The prepared site plan is not a survey. It's the owner's responsibility to verify property lines, utility lines (water. sewer. power, phone and gas) prior to installation. Minimum of 6" of sand throughout out the lateral area, must be level. . Septic and pump tank must be concrete 8. The tanks may be moved as necessary to accommodate building requirements. Septic tank location must meet all required setbacks. 9. Keep wheeled vehicles off the drainfield area before, during and after installation. Tracked equipment only. 10. All ground, surface water and roof drains must be diverted away from the septic tanks and drainfield. Ensure the final grade slopes away from these areas and water doesn't collect on or around them. Use swales, berms, catch basin and tight lines, curtain drains, etc. to divert all waters. 11. Curtain drains can be no closer than 10' upgradient and 30' down gradient of the drainfield 12. Exposed restrictive layers. cuts, banks, etc. can be no closer than 50' downhill from the drainfield. 13. Install access risers on the septic tanks, valve box and ends of laterals. 14. Make sure septic tank risers are epoxied or caulked to cast in riser rings on tank. 15. Lids must form a water and gas tight seal with the access risers 16. Install effluent filter specified in this design at the septic tank outlet. 17. This system must be installed by a Mason County Certified installer. 18. Deviation from this design without prior approval from the designer and Mason County Health Department will make this design null and void. 19. This design was sized per Washington Administrative CodeWAC246-272A-0230. The operating capacity is based on 45 gallons per day per capita with two persons per bedroom. The minimum design flow per bedroom per day is the operating capacity of ninety gallons multiplied by 1.33. This results in a inimum design flow of one hundred twenty gallons per day. This creates a surge fact2,00:f 33% but anticipated flow is ninety gallons per bedroom per day. If 20. Install laterals with cpcitpurblik ground e- �\ 21. Install ipcatgr tape br top ot'alI4rainfield lat��• Sti •TA k 14 • PR242021 s�� \()P L7" „re, 5,�0 , *` �Y ENVIRONMENTALhEA, a CI or WAITS �`\V Qiv Cp�N LICEN DESIGNER • MAS 1 JgW ARM ��W1�� ••/ EXPIRLS US•t°' System Owner Responsibilities: 1. Operation and Maintenance is required by Washington State Department of Health and Mason County Health Department. 2. The septic tank and pump tank should be pumped every three to five years or as needed. 3. System owners are responsible for having maintenance performed annually. 4. System owners are responsible for responding to septic issues in a timely manner. 5. System owners shall not at any time change or alter settings in the control box. 6. System owner agrees to read and abide by information regarding their system in the User Manual provided by Mason County Public Health. 7. Keep the flow of sewage at or below the approved design operating capacity. 8. Keep waste strength at residential waste strength parameters. 9. Spread loads of laundry through the week. 10. Do not use excessive bleach or detergents with added whiteners. 11. Do not shower, do laundry and dishwasher at the same time 12. Antibiotics can kill or impair the biological process in the septic tank. 13. Leaky plumbing can hydraulic overload your on-site septic system. APR 2 4 2023 MASON COUNTY ENVIRONMENTAL HEALTH PPROVE JBW Alr _ .4 ,�la • Air `er o CIN E.WAITE .iS1 I/, LICENSED DESIGNER O ♦\M% V ♦\♦ ♦ ♦♦\V. EXNiREs 05,1 0 I