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HomeMy WebLinkAboutSWG2025-00080 - SWG Application / Design - 3/13/2025 WA MASON COUNTY 415N6TH STREET,SSHEHE: TON, EXT7-967 ,EXT 584 400 SH ELTON L BELFAIR:360-275-4467,EXT 400 f Public Health & Human Services ELMA 360-482-5269,EXT 400 FAX:360-427-7787 On-Site Sewage System Permit: SWG2025-00080 APPLICANT Scott Vermillion Phone: Address: 171-19 Blanchard Rd CENTRALIA,WA 98531 OWNER VERMILLION ET AL MARK Phone: 360-269-6363 Address: SCOTT VERMILLION UNION, WA 98592 SEPTIC DESIGNER MICHAEL STATEN Phone: 360-275-9374 Address: PO BOX 984 BELFAIR,WA 98528 Site Address: 8520 E State Route 106 Primary Parcel Number: 322344490003 Permit Description: New 4bd pressure trench Permit Submitted Date: 03/13/2025 Permit Issued Date: 08/19/2025 Issued By: Jeff Wilmoth Current Permit Fees Paid: $720.00 (additional fees may be required upon installation of system). Permit Expiration Date: 07/23/2028 (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. rn �� ,�� 1� OFFICIAL USE ONLY MASON C• TY q DATEKLNED 03 ' ) 3- 2O2� FM n lF COMMUNI ., ci,RVIC S—_ AMOUNT SECENE RECEIVED BY m y p m publicHealth(Community- x Ire Env le al Health < coco .,.N.,R,,..I-.LT/e..,W.e,e; SWG 20Z - 00080 0 2 z to ON-SITE SEWAGE SYSTEM APPLICATION73 3 n m APPu..- PHONE RI S(OMM- ✓CAtn?r401� 30 - 29 • 6)36, 3 M L NO ADDRESS.STREET O.TY 5 ATE ZP CODE 3 cm o Box � 2 co S TE ADDRESS STREET CITY ZIP CODE �6$224 c SA b E / 2hl;0i,g1 iiiii k NAME OFDESGNER PEON_ ^\ ��II AA Ckea( S L,vl — VI y10 CI\ EIS 36J275 937'1 OFNeME INSTALLER �� PHDNIVA( a IN T TYPE rselec one l DRINK NO WATER SOURCE w PEgRESIDENTIAL O55 F COMMUNITY OSS IFCOMMERCIAL O55 fLl PRIVATE INDIVIDUAL WELL jicPRIVATE TWO PARTY WELL Z TYPE OF NORN sect one 0- PUBLIC WATER SYSTEM XNEW CONSTRUCTION/UPGRADES ft REPAIR I REPLACEMENT OTHER DETAILS(se ea all ILL appal 0 TABLE IX REPA R I-P SUPMrtTALS p 0 SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE m F DESIGN FORM(REQUIRED) 51SEPOIC DESIGN(REQUIRED) BEDROOMS LOT 912E r EWAIVER(S)(IF APPLICABLE) '-l- gs-o � ��NT 1,rr) 2 1,4, DIRECTIONS TO SITE AND SITE CONDITIONS lex Iockea gale) g✓aIV1 (22 o(l - &- ( y /� I CI S/� IOC Io WD/CS I�2. rTR1)5 - ` V'.y��g 52 Z C G2 106 33 o ICI SITE MOST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MOST BE FLAGGED WITH TEST MOLE NUMBERS I HI OFFICIAL USE ONLY BELOW THIS LINE UPGRADE I FAILURE SOURCE Ihr reryniy purposed 0 VOLUNTARY 0 MAINTE NANCE/PUMPING 0 BUILDING PERMIT ❑HOME SALE ❑COMPLAINT 0OTHER. NSPECTOR SO I LOGS y. 0 ;^6 v /ict Ott() COMMENTS I CONDITIONS Vs(A l caYt ccc$ I}{'3 5�^l �- I � 2` RECORD DRAWING 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 ECi R SIGNATURE DATE APPLICATION ERG(RAT I ON DATE LI CATION APPROVEOnARCED BY DATE T IB MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE REVISED 12/7/2015 tkiISIOtJ • DESIGN FORM—PAGE ONE Assessor's Parcel Number: 3 2 2 3 4 — 4 4 — 9 0 0 0 3 A design will be reviewed when 3 copies of each of the following are submitted: v Completed design form that has been signed and dated. v Scaled layout sketch,including all applicable items on checklist v Scaled plot plan,including all applicable items on checklist. v 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: I I"X 17" PARCEL IDENTIFICATION Permit Number: SWG zo25 -OV'D,7O Designer's Name: Envirotech Engineering PLLC Applicant's Name: Scott Vermillion _ Designers Phone Number: (360)275-9374 Mailing Address: PO Box 432 Designer's Address: PO Box 984 Union WA 98592 Belfair WA 98528 City State Zip City State Zip DESIGN PARAMETERS Treatment Device ❑Glendon Biolllter 0 Sand Filter 0 Mound 0 Sand Lined Drainfield 0 Recirculating Filter.l ype: ❑ Aerobic Unit Make/Model 0 Disinfection Unit Make/Model Other: Drainfield Type ❑ Gravity 91 Pressure lEr Trench 0 Bed 0 Sub Surface Drip Septic TanWDrainfield Specifications II 6le -_ aterals Number of Bedrooms 4 Schedule{tsc i 40 Daily Flow: Operating Capacity 480 gpd Length /��� Ka 33.33 ft 0 Daily Flow: Design Flow 360 gpd Diamet rrn N 1.25 in ❑1' n Septic Tank Capacity 1200 gal Numbe V —, 6 Receiving Soil Type(I-6) 3 Separa iY % �J� 6 ft Receiving Soil Appl. Rate 0.8 gpd/ft Orifices Required Primary Area 600 ft2 Total catiltficet 36 Designed Primary Area 600 ft2 Diameter 1/8 in Trench/Bed d ReservetArea 600 ft�pSpypiryn ® v E r 72 in TrenchBed Width 3 ft {f] I�r[1 � Manifold TrenchBed Length 200 ft SrJKquld(21as�2l[ 40 Elevation Measurements Length 77 Header ft Original Drainfield Area Slope 14-20 %' "`' tidmet@rgw 2 in New Slope, If Altered Not Altered % Preferred anit ld configuration used? 0 Yes RiNo Depth of Excavation upsI„pe 26 in Transport Pipe from Original Grade Dou.nslnpe 18 in Schedule/Class 40 Designed Vertical Separation 24+ in Length 180 ft Gravelless Chambers Required? ❑Yes 0 No g Optional Diameter 2 in Pump Required? Ea Yes 0 No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 12 Difference in Elevation Between Pump Shutoffand Uppermost Dose quantity 30 gal Orifice 70 ft Chamber Capacity 1200 gal Uppermost Orifice 0 Higher 0 Lower than Pump Shutoff Pump controls:Please check those required. Capacity (C Total Pressure Ilead 14.83 gpm ginner gElapse Meter fv'Event Counter Calculated Total Pressure Head 115.15 ft If Timer: Pump on 2 min ,Pump off 118 min Comments This is a previously approved design. SWG2010-00269. Field adjust timer for adequate dosing. DESIGN FORM—PAGE TWO Assessors Parcel Number: 3 2 2 3 4 — 4 4 -- 9 0 0 0 3 Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch 0 Test hole locations It Drainfield orientation and layout Reference depth from original grade: It Soil logs Hi Trench/bed dimensions and Fd Septic tank Hi Property lines critical distances within layout PI Drainfield cover It Existing and proposed wells It D-Box/Valve box locations Reference depth from original grade within 100 ft of property Hi Septic tank/pump chamber and restrictive strata: HI Measurements to cuts, banks, and locations Gd Laterals, trench/bed, top and surface water and critical areas HI Observation port location bottom O Location and orientation of It Clean-out location 0 Curtain drain collector curtain drain and all absorption Hi Manifold placement 0 Sand augmentation components It Orifice placement Other cross-section detail: • Location and dimension of C� Observation ports/clean-outs Hi Lateral placement with distanceP primary system and reserve area to edge of EZIBuildings g Other Information It Audible/visual alarm referenced Yes No 61 Direction of slope indicator Et Scale of drawing shown on scale 0 It Design staked out It Waterlines bar yy ❑ RI Recorded Notices attached Et Roads. easements.driveways, A p p p A tl V E `n ❑ lis Waiver(s)attached parking 't 6Y 61 0 Pump curve attached O North arrow and scale drawing AUG 1 9 2025 ❑ 64 Evaluation of failure shown on scale bar . - Non-residential justification ASOI+CCU i-UIY'ES,. X.7: 0 Waste strength .IP3 0 EfFlow DESIGN APPROVAL The undersigned designer must he notified by installer at time of installation It Yes I t.s 08/12/2025 i Signature of Designer Date 2 The undersigned has reviewed this design on behalf of Mason County Public Health and c v. compliance with state and local -site regulations: (nit�,6� 1 Vl'ZS nvi ental I Iealth Specialist Date CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: V The design is stamped "Approved" by Mason County Public Health. pp ✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is: 3 i t p -?p ✓ 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: I2/7/2015 HOOD CANAL 20 N 151.7FTi SCALE, I INCH = 90 FEET ST An ‘IC' PY 106 N DRAINAGE 0 2lado 4 8ITCH R 100' ` ORELINE _ 0 SETB•CK �100' WELL RADIUS 40 �w-� 50' WELL RADIUS PROPOSED 1200 4g3 EXISTING WELL -60 GALPTIE'TANK) PROPOSED 1200 rRR �� GAL PUMP TANK `� ( - 80 fill ‘ I CLEANOUT PORT J. - 4' DIA SEWAGE PIPE ■`el ) --- 100 CLEANOUT ■ INSTALL AUDIO/ ®IN "'OPUSE➢ WATER LINE __.. _ 120 VISUAL ALARM ( VP> _. . p1 ENCASE TRANSPORT W/ _ - 1n LARGER DIA PIPE WITHIN ( _ c -OPO$ED 4 BO SINGLE - 140 IO' OF_DRAINAGE .M1LY RESIDENCE _. _. 2-INCH SCHEDULE 40 iP1 PVC TRANSPORT LINE - - 160 PROPOSED 12` DIA ', 'DPg3ED PRIMARY ISO CPEP CULVERT\WITHI •TP2 • D'AL$EIELD.;6 LATS 30' OF DRAINFIELD ; u ,_I e ,33'-4' EA. - 200 - -1 P3 •ESERVE - CPRO ONTROL➢BOXLV � Y�P4 4REA C a �w 220 _ tnaj 0' (1 n _ I G; 1\.. PROPERTY LINE ® ®q�(p 240 - EXISTING AP PRO d Y ( ° - SEASONAL DRAINAGE AUG , 9 2075 FLOW PATH - ' 0Rn{j ISO.00FTk PROJECT/ OVNER/ LOCATION SEPTIC SYSTEM DESIGN SCOTT VERMILLION 36D-269-6363 8522 STATE ROUTE 106 PARCEL 16 32234 44 90003 MASON COUNTY, VASHINGTOI DESIGNED RP MICHAEL STATEN SOIL LOGS _yT. a ' ENVIROTECH ENGINEERING TPI (0 50't) GRAVELLY MEDIUM AND COARSE SAND, TYPE E �.Wa'//� PO 984 TP2 (0 50' GRAVELLY MEDIUM AND COARSE SAND, TYPE 2 360FAI2I5, VASNINGTON 90528 �1 TP3 (0 50•+) GRAVELLY MEDIUM AND COARSE5A UM SAND. TYPE 2 ^ k 360-275-9374 TP4 (0- •N GRAVELLY MEDIUM AND COARSE SAND, TYPE 2 -- PLOT PLAN . . , :;§|! lwzR�f» ) \o §{! }; \-/ ®§//!\� ° ' ` `!! \r a4/ I ,\ az� . �. . ,; . ra ata Mrz. ' _ ' 1 :,,. ,,,;. .. A_;. , . , 0 T r= ))gam;b; § // N N« . '-.cxz r e •Q; \ § ! ; \/§}!R# : © m \ < #§ 4 Z ; ;\. § } \ #&< 2 / ° §t| ® ® \ ; 44/ g % ` J � \ \ , - 0 gm - } : /\� tc= / - ~ \ - /! F. : a /�.... . \ T C. E : \ \ } \ m -4 e x , � � RO � f } § �.��� TIINNNI ; { AL ® B; B \, N; < - # ,§ § ; , Fin , \x \ , ; E. 02 gA \ ; , : , \ ) I9us„N4 s N tRU® - ' z k ` \ ; ; § [ } 2 \ \ \ _ 2 } ( ( ( / : | . o-xo z =Poo' m § ■A ( ; { §( \§! ) : . 11 f \ £„ \ ! ° § ; ; /! / 2r § ! . x - § ^ 2 . )� } A LIMITS OF DRAINFIELO TRENCH MP) S' ED TRANSPORT PIPE GYP) 1.25• DIA. LATERAL <ixPo 2 0IA 40 PVC SCHEDULE 40 PVC PIPE OBSERVATION AND CLEANOUT PORTS (TYP) Iiiil FT GYP) iiiiiilliglillin 1.25' FEEDER LINE arm. 6 FT (TYP> iii VALVE CONTROL BOX 33 FT - 4 IN (TYP) RESERVE DRAINFIELD rI) " `i, "it T 7g PROJECT/ OWNER/ LOCATION. DRAINFIELD-PLAN VIFW SEPTIC SYSTEM DESIGN .=laFr SCOTT VERMILLION 360-269-6363 CL)UF 0322 STATE ROUTE 106 S1 PARCEL ISO 32234 H 90D03 [` ) r MARCE COWTY, VASHBl9000 y DESIGNED AT SENVIR L CH ENGINEERING DESIGNED B ENGINEERINGPO BOX 9B4 BELFAIR, WASHINGTON 9852E 360- 75-9374 :115 1DRAINFIELD DETAILS 82 ) _ — - ^ \ ,. ., ; 3 : An \ \ . a = \ _ ■ § . § § - : ; # �; \ § ) 2 ' 2 4 . . \ \ • ) - ; \\ R / u 8 . \ • a p ; ° „ , \ r { � �� c j § - § -' + ' 1 ° \ \ \ k - , ` ( ; r - 14- : ,0 \y 2) ° rn 6 ` / ( \ . d \ �■ lila ®/ \ ! ( �� �. »/ ^ - PPROVE � \ - \ I.; - J G2 r , cam x« © : )] a ' - lei \ ()\ ® 4C ! ' -h- ! ; ; , §a ,w ;E7 tA 113 \ Cr 7 \ ) - / \. \ � | =J} g / rii fn § R; 0 § z ; » 9 r N !/:! { NOTES FOR ON-SITE SEWAGE PRESSURE DISTRIBUTION SYSTEM SEPTIC TANK AND PUP CHAMBER 1. INSTALL ALARM SYSTEM TO WARN EF HIGH WATER LEVEL. 2. INSTALL ANTI-SIPHON VALVE ABOVE PUMP IN TIE PUMP CHNIBER. 3. INSTALL A 1/9 INCH MESH, NON-CORROSIVE PUMP SCREEN OR BID TUBE. IF PIMP SCREEN IS UTILIZED, MIST CONFORM TO INDUSTRY AND/ OR WASHINGTON/ COUNTY STANDARDS. A. FOR INSTANCES WHEN THE PUMP CHAMBER IS AT A HIGHER ELEVATION THAN THE DRAINFIELD, A 1/8' MALE SHALL BE DRILLED IN THE DISCHARGE PIPE ABOVE THE PUMP IN ORDER TO DECREASE SIPHONING. 5, SEPTIC TANK SHOULD BE LOCATED AS CLOSE TO THE HOUSE AS MINIMUM SETBACK REQUIREMENTS WILL ALLOW (10 FT). THIS WILL MINIMIZE THE NEED FOR STEP DOWNS. 6. THE PUMP CHNIBER SWILL BE WATERTIGHT PER PREVAILING WASHINGTON STATE OR COUNTY STANDARDS. T. A MINIMUM OF 18 INCHES REWIRED BETWEEN BOTTOM OF PUMP CHAMBER AND PUMP INLET. TRENCH 1, TRENCHES SHALL BE GENERALLY EXCAVATED ALONG THE CONTOUR OF THE EXISTING GRADE. 2 TRENCHES SHALL BE EXCAVATED SO THAT THE TRENCH BOTTOM IS LEVEL Y0.5 INCHES. 3. INSTALL OBSERVATION PORTS AS SHOWN IN THE DRAINFIELD DETAILS /, THE BOTTOM AND SIDES OF ALL TRENCHES MUST NOT BE SMEARED. INSTALL DRAINFIELD DURING DRY WEATHER. ANY SOIL SMEARING MIST BE REMOVED BY HAND TES DRAINF[ELD LATERALS AND TRANSPORT LINES 1, INSTALL LATERALS PARALLEL TO THE TRENCH BOTTIP 2 PLACE LOCATOR TAPE ABOVE ALL LATERALS. 3. INSTALL CLEAN-OUT PORTS AT ALL DISTAL ENDS OF TIE DRAINFIELD. SEE THE DRAINFIELD DETAILS. I. TRANSPORT LINES BENEATH DRIVEWAYS OR OTHER TRAVELLED VATS SHALL BE ENCASED WITH LARGER DIAMETER PIPE OR SLURRY. 5 INITIALLY PLACE LATERALS, MANIFOLDS AND ALL CONNECTIONS WITHOUT CLUEING, WITH THE ORIFACES IN THE 12 O'CLOCK POSITIOIN. AFTER PRESSURE TESTING AND HEALTH DEPARTMENT APPROVAL, ROTATE LATERALS SO THAT ORIFACES ARE POSITIQED AS SHOWN IN THE CRAIKIELD DETAILS, THEN PERMANENTLY ATTACH. 6. ASTM 3034 PIPE AND FITTINGS SHALL BE TIGNTLINED TO AND OUT OFTHE SEPTIC TANK. FILTER FABRIC I. PLACE FILTER FABRIC OVER DRAIN ROCK PRIOR TO BACKFILL. 2. FILTER FABRIC SHILL CONFORM TO THE FOLLOWING SPECIFICATIONS, AND AT LEAST MEET WASHINGTON STATE ANO/ OR COUNTY STANDARDS. PROPERTY REQUIREMENT TEST METHOD GRAB STRENGTH BG LBS ASTM 04632 PUNCTURE STRENGTH 25 LBS ASTN D4033 TRAPEZOID TEAR 25 LBS ASTM D4533 APPARENT OPENING ADS < 0297 nn, OR 1150 US STANDARD SIEVE ASTM 04751 SIZE ) R0 US STANDARD SEEVE PERMEABILITY BA CM/SEC FOR SOIL TYPES 1 AND 2 ASTM D4491 OOW CM/SEC FOR SOIL TYPES 2, 3, 4, 5 AND 6 INSPECTION AND MAINTENANCE 1. IF BID-TUBE IS USED, REMOVE AT LEAST ONCE PER YEAR AND FLUSH INTO TANK. 2. IF A PUMP SCREEN IS UTILIZED, INSPECT EVERY 6 TO 2 MONTHS, AND CLEAN AS NECESSARY. 3, SEPTIC TANK AND PUMP CHAMBER SHALL BE PUMPED OR INSPECTED BY A PROFESSIONAL EVERY 2 YEARS. 4. INSPECT ALL FLOATS, AND TEST HIGH WATER ALARM EVERY 6 TO 12 MONTHS 5. A CERTIFIED MAINTENANCE SPECIALIST SHALL INSPECT AND MAINTAIN. IF NECESSARY, THE ON-SITE SEWAGE SYSTEM WITHIN THE FIRST SIX MONTHS LW SEPTIC SYSTEM INSTALLATION, AND EVERY 3 YEARS THERE AFTER. MISCELLANEOUS 1, ENCASE ALL WATER LINES WITHIN IU FEET 6 SEPTIC AND DRAINFIELD AREAS. 2, STORMWATER RUNUMF SHALL BE DIVERTED AWAY FROM THE SEPTIC AND DRAINFIELD SYSTEM. 3. CURTAIN DRAINS SHALL NOT BE PERMITTED WITHIN 10 FEET UPSLOPE AND 30 FEET DOWNSLIDE FROM THE EDGE OF THE DRAINFIELD AND 4. ALL MANHOLE LIDS AND PORTS FOR ACCESS, SAMPLING OR INSPECTION MUST HAVE LOCKING COVERS, 5. FOR MULTIPLE TRENCHES THAT ARE EXCAVATED AT DIFFERENT ELEVATIONS, DECK VALVES SHALL BE INSTALLED BETWEEN LATERALS. 6. A SURVEY WAS NOT PERFORMED BY THE SEPTIC DESIGNER. IT IS THE OWNER/ CONTRACTORS' RESPONSIBILITY TO LOCATE ALL EXISTING AND PROPOSED PROPERTY LINES, WATER LINES, WELLS, BUILDINGS, SURFACE WATERS, DRAINAGE FEATURES, CUTS AND EMBANKMENTS. THE SEPTIC SYSTEM SHALL BE INSTALLED AND LOCATED BEYOND MINIMAL SETBACKS FROM THE AFOREMENTIONED FEATURES PER APPLICABLE WASHINGTON STATE ANDY OR COUNTY REQUIREMENTS. Z, ALL SEPTIC SYSTEM COMPONENTS, MATERIALS AND WORKMANSHIP MIST MEET OR EXCEED WASHINGTON STATE AND/ OR COUNTY REQUIREMENTS. 8. DEVIATION FROM THIS DESIGN WITHOUT PRIOR WRITTEN APPROVAL FROM THE SEPTIC DESIGNER AND THE COUNTY HEALTH DEPARTMENT WILL INVALIDATE THIS ON-SITE SEWAGE DESIGN SYSTEM. 9. SOIL CONDITIONS MAY BE DIFFERENT. SUCH AS DIFFERING VERTICAL SEPARATIONS OR CHANGE IN SOIL TEXTURE. WITHIN THE SUBGRADE MEDIATELY SURROUNDING THE EXCAVATED TEST PITS. THIS COULD EFFECT THE DESIGN AND OPERATION OF THE ON-SITE SEWAGE SYSTEM. ENVIROTECH SHOULD BE NOTIFIED TO RE-EVALUATE THIS DESIGN, IF SIGNIFICANT SOIL CHANGES OCCUR. APPROP DESIGN SOIL n f 100X TYPE 2 AUG 1 9 �'h PROJECT/ OWNER/ LOCATION APPLICATION RATE MASS:N C ) . ! SEPTIC SYSTEM DESIGN 0.8 gpd/sf �$V` SCOTT VERMILLION DESIGN FLOW cLYbe 360-269-6363 Si 8522 STATE ROUTE 106 ASSUME 12 BEDROOp0n/tloY. byO PARCEL C. Y, HI 90003 GTON CRITERIA.t 4 BEDROOMS Y, MASON COUNTY,32234 44 WASHINGTON <1200ADU bedrooms) = 480 pptl a DESIGNED BY. DRAINFIELD AREA A, ��n MICHAEL STATEN ENVIROTECH ENGINEERING A = (DESIGN= (480 0pd/LOB/(9M/ft TZON RATE) sf x-SAT.„‘4 ' BELF PU FAAIRX 984 WASHINGTON 90529 360-2T5-9374 FOR 3 FT WIDE TRENCH, (600sf/ 3ft) - 200 LF OF LATERALS DESIGN NOTES Pump Curve, Capacity &Total Dynamic Head xo I 1 P30 Series ,_. . _ f 1/2 hp tot-1/2 hp an _w _.-_ 1—. F. _ I an .1'e3? 1 0 1 I • r i 0 t k .{ .t t i ' I I1 $ 150 P3007 + }li _ .p'_ O Pmos�' -I o wo , 1 1 , 50 r .—IN 1 1 . I ., , I 0 5 10 15 20 25 30 35 10 Galan per Minute(gµm) Capacity Oriface design=t orface/6 linear ft for a total of 36 orifices @ 1/8 in diameter Q„= 1 L79d2hilS gpm.where d=oriface diameter(in).h=residual head(5 fl) =0.412 gpm Qr=Q0(no.of orifices)=(0.412gpm)(36) Qr=14.83 gpm Total Dynamic Head Hn =55 ft Hs =5 ft 1=L(Q/K)'8s It for PVC confirming to ASTM D-2241 or 11-1785 L=length of pipe(t) Q=now(gpm) K=constant in relation to nominal pipe diameter and schedule/class of pipe Total Dynamic Head(Hr)=Elevation Head(Hr)+Residual Head(HR)+Friction Loss(f) Hi =55ft+5ft+55.15ft HT= 115.15 ft «,nrTr, APPPAVE Al � �- - AUG 192125 ` E\s:45y, !h5O CGLAI feJ r1L, ri,i-. +srgs erc>•' WI2/25 .J8w Envirotech Engineering Vermillion PO Box 984 8522 State Route 106 Belfair,WA 98528 Parcel 32234 44 90003 360-275-9374 Mason County,Washington