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HomeMy WebLinkAboutSWG2023-00120 - SWG Application / Design - 3/31/2023 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584 eill, % SHELTON:360-427-9670,EXT 400 BELFAIR:360-275-4467,EXT 400 ,4 ? : Public Health & Human Services ELMA:360-482-5269,EXT 400 FAX:360-427-7787 On-Site Sewage System Permit: SWG2023-00120 APPLICANT Jenessa Ormdahl Phone: Address: 4350 E Agate Rd SHELTON, WA 98584 OWNER DAHL Properties LLC Phone: 1.360.740.0345 Address: 261 Hamilton Rd CHEHALIS, WA 98532 SEPTIC DESIGNER CINDY WAITE-Septic Designer Phone: 3607010205 Address: 80 E PICKERING LANE SHELTON, WA 98584 Site Address: 4360 E Agate Rd Primary Parcel Number: 320241290061 Permit Description: New SFR -3BR Pressure w/class b waiver Permit Submitted Date: 03/31/2023 Permit Issued Date: 04/27/2023 Issued By: Jeff Wilmoth Current Permit Fees Paid: $780.00 (additional fees may be required upon installation of system). Permit Expiration Date: 04/03/2026 (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/onsiteloss-inspection-request.php or call: 360-427-9670, extension 400. OFFICIAL USE ONLY--0,7,-.0,---- MASON COUNTY PUBLIC HEALTH DATE RECEIVED a_3 - 31 ONSITE SEWAGE SYSTEM APPLICATION AMO NT Ey�VED• RECEIV€1D v , 03 cn 415 N 6th Street,(Bldg 8) Shelton WA,98584 cv v 4 0 m Shelton:360-427-9670 ext 400 Belfair:360-275-4467 ext 400 L o(i p SWG �j2� - CZ 6 -. APPLICANT PHONE > > JENESSA OMDAHL 360-338-5792 m m MAILING ADDRESS-STREET,CITY,STATE,ZIP CODE r 4350 E AGATE RD SHELTON WA 98584 c SITE ADDRESS-STREET,CITY,ZIP CODE CO 4360 E AGATF RD SHELTON WA 98584 m NAME OF DESIGNER PHONE I co CINDY WAITE 360-701-0205 NAME OF INSTALLER PHONE I N CHECK ALL APPLICABLE ITEMS DRINKING WATER SOURCE 0 I 0 C lir NEW CONSTRUCTION ❑ RV HOLDING TANK ONLY ❑ PRIVATE INDIVIDUAL WELL I N ❑ REPLACEMENT SYSTEM El INSTALLATION PERMIT ONLY Ed PRIVATE TWO-PARTY WELL O(/� ❑ TABLE 9 REPAIR ❑ SINGLE FAMILY 0 COMMUNITY/PUBLIC WATER SYSTEM Z I ❑ TANK(S)ONLY 0 COMMERCIAL SYSTEM NAME 1 ❑ UPGRADE TO EXISTING 0 OTHER BEDROOMS LOT SIZE I ElEXISTING FAILURE "Record Drawing required 3 2531X2p1� 03 for all Installations" I N DIRECTIONS TO SITE-BE SPECIFIC AND ADVISE OF ANY NEEDED INFORMATION FOR ACCESS(ex locked gate) g 1 X ICO TURN ONTO AGATE ROAD AFTER DEER CREEK STORE, TAKE A LEFT AT AGATE STORE, TURN RIGHT ONTO EMILY LANE, FIRST DRIVEWAY ON THE RIGHT, SOIL I o LOGS ARE ON THE LEFT SIDE OF THE DRIVEWAY. O I I0) 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(tor reporting purposes) ❑VOLUNTARY ❑MAINTENANCE/PUMPING ❑BUILDING PERMIT El HOME SALE ❑COMPLAINT ❑OTHER: INSPECTOR SOIL LOGS COMMENTS/CONDITIONS i--)7 _, ) :, �� `jl_ ' SOIL CODES: V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS IN TOR SIGNATURE DATE APPLICATION EXPIRATION DATE (CATION APPROVED BY DATE '''' .1. ei tj il LA)'1—) 1 I 4 MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBS( REVISED 12/7/2015 DESIGN FORM-PAGE ONE Assessor's Parcel Number: 3 2 0 2 4 - 1 2 - 9 0 0 6 1 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 6,2-3 00 C->Q Designer's Name: CINDY WAITE Applicant's Name: JENESSA OMDAHL ___ _ Designer's Phone Number: 360-701-0205 Mailing Address: 4350 E AGATE RD Designer's Address: 80 E PICKERING LANE SHELTON WA 98584 SHELTON WA 98584 City State Zip City State Zip DESIGN PARAMETERS Treatment Device d ❑Glendon Biofilter 0 Sand Filter 0 Mound 0 Sand Lined Drainfield 0 Recirculating Filter.Type: ❑Aerobic Unit Make/Model 0 Disinfection Unit Make/Model Other: Drainfield Type 0 Gravity Ii21 Pressure RI Trench 0 Bed 0 Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class SCHEDULE 40 Daily Flow:Operating Capacity 270 gpd Length 66,61,38,35 ft Daily Flow: Design Flow 360 gpd ••i >er 1.25 g R 0 V E D 4 in Septic Tank Capacity 1200 a1 m Receiving Soil Type(1-6) 4 Sep�t•�;jpn 6 ft Receiving Soil Appl. Rate .6 gp t` likes ''K 2 7 2023 ifces Required Primary Area 600 ft2 MASON ggintiMWeN t. sHEALTH 42 Designed Primary Area 600 ft2 DiatnetA/BW 3/16 in Designed Reserve Area 600 ft' Spacing 60 in Trench/Bed Width 3 ft Manifold Trench/Bed Length 200 ft Schedule/('lass SCHEDULE 40 Elevation Measurements Length 2+/_ ft Original Drainfield Area Slope 8 % Diameter 2 in New Slope,If Altered % Preferred manifold configuration used? 0 Yes 0 No Depth of Excavation Up-slope 20 in Transport Pipe from Original Grade Do -slope 17 in Schedule/Cla - SCHEDULE 40 Designed Vertical Separation 12 in Length 60+/_ ft Gravelless Chambers Required? 0 Yes fii No 0 Optional Diameter q- 2 in Pump Required? VI Yes 0 No .Pof Pump Chamber Pump/Siphon Specifications Nun : tic s 6 Difference in Elevation Between Pump Shutoff and Uppermost D�*antif�- ON I ip'1/ 12 Orifice 5 ft !�� 5 tw4 i `p�C gal ternbeticoptc .13 1200 gal Uppermost Orifice 0 Higher Lower than Pump Shutoff if'um Lcon Sofs: RI.14 eck t e required. Capacity @ Total Pressure Head 24.78 Amami. ����"` �• %�� -- gpm 7- Nritteps',or F lapse Meter fig Event Counter Calculated Total Pressure Head _ 7 66 ftIf Timer: Pump on Pump off ��► 1 Comments ✓I�, CONCRETE TANKS REQUIRED, GRAVEL BASED DRAINFIELD REQUIRED. l MIMIMIIIMPI DESIGN FORM—PAGE TWO Assessor's Parcel Number: 3 2 0 2 4 -- 1 2 -- 9 0 0 6 1 Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch 66 Test hole locations lzf Drainfield orientation and layout Reference depth from original grade: Et Soil logs g Trench/bed dimensions and 64 Septic tank Ei Property lines critical distances within layout Qf Drainfield cover It Existing and proposed wells It D-Box/Valve box locations within 100 ft of property ItSeptic tank/pump chamber Reference depth from original grade and restrictive strata: ❑ Measurements to cuts, banks, and locations -pia rr ry, lif surface water and critical areas It Observation port location Laterals,trench/bed, top and bottom ❑ Location and orientation of Q1 Clean-out location 0 Curtain drain collector curtain drain and all absorption g Manifold placement 0 Sand augmentation components It Orifice placement Other cross-section detail: lt Location and dimension of 64 primary system and reserve area Lateral placement with distance l Observation ports/clean-outs to edge of bed Iii Buildings Other Information g Audible/visual alar a erenced Yes No 61 Direction of slope indicator /t •IN fid g Scale of drawing shown on scale d 0 Design staked out Waterlines AbPROVED ❑ ❑ Recorded Notices attached Roads,easements, driveways, RI ❑ Waiver(s)attached parking ❑ 0 Pump curve attached It North arrow and scale drawing APR 2 7 2023 o ❑ Evaluation of failure shown on scale bar MASON COUNTY ENVIRONMENTAL HEALTH Non-residential justification LBW ❑ 0 Waste strength ❑ ❑ Flow DESIGN APPROVAL The undersigned designer must be notified installer't time of installation 64 Yes 0 No (by. dredtSignature of esigner 7 ?1 Date j The undersigned has reviewed this design on behalf of Mason County Public Health and determined it to be in compliance with state and local o -sit reg ations: V-z7-2 Env' on Healt pecialist 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: Y ' ---2-(1 ✓ Drainfield site conditions have not been altered to adversely affect conditions of design approval. ^>.-v/ 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. 0 This form may be scanned and available for public view on the Mason County Web site. Updated Date: 12/7/2015 M Mason County WA GIS Web Map L C C 14,,fr ' _ ______.-rr —� --- --— ! lad.• rid ir______-1 MI _ IF:I L _ .. 1---- ) i r- f I l— ter' L.-----------1-2--/1(---/ — \>\\_ V 3/27/2023, 7:15:56 PM 1:6,143 00 0.05 0.1 ' 0.2 mi \t,..V County Boundary l r r , 5 , r , r , , t 1 0 0 0.07 0.15 0.3 km /3 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,Esri Japan,METI,Esn China(Hong Kong),(c)OpenStreetMap contributors.and the GIS User Community Mason County WA GIS Web Map Bureau of Land Management Esri Canada.Esri,HERE,Garmin.INCREMENT P.Inte Application rrmap,USGS.METI/NASA,EPA. •• - - ..,.. . . , .4._ 4 . 04 ri <7.) , -I . N 4 .. ., e. M 3 C CNf . a Cn:o :0 G • ° O i . _ 1 •, , ,.1 ,..1 \€) a .,„„.. •__.__-- . , .._ . . . / 0 . ate!--- � ' ✓ - . w Ww > > > p Y F- f- U Z UUY �� Q Y D' _ ,0, ~ ZW F- HH s !` Q LL W W W Q D_ 0_ Z_ CC CC ppROVER iP p� ,� 4 W2Q W + +is) in ��ofti, 9� '► � � Q0 < Z � � APR272023" N . .1 ,,fr, uj W a o o o Y ENVIRONMENTAL HEALTH s , �"" W U o � Q — Q F cf x z _ SONCOtjNT ,•+ DY A� �; 1f U U _ JBW f" 1SE DE �V\,' Z Z Z D_ > Z 0 4. 0 J M M M B r. �.. . . SIG �j Y, � p_ OU OU o Z p Z cn W w o 0 o s os,o. -_.. cn � , XcnW � QZ > � � NM E W ONNinW � D � CLQQ JLI cc ,- N D= Q Q U > > (n (n u) e — Ncn � Lci (pf� C0pi0NM �1 • x 1 ,'t •Lateral# Length Length Orifice # Distance from Distance from end Length# # (Feet) (Inches) Spacing" Orifices feeder line of end of lateral 1 66 792 60 14 0.5 0.5 66 2 61 732 60 13 0.5 0.5 61 3 38 456 60 8 1.5 1.5 38 35 420 60 7 2.5 2.5 35 • Total 200 42 200 • TRANS LENGTH 60 GPM 24.78 K (2"SCHEDULEN 40) •284.5 FRICTION LOSS 0656427 Squirt 2 Elevation difference 5 • TDH 7.656427 /bU,' , 0 V 6�r 6 j. Lp r 6G'_� _._. ._�. _...__O G . D" (.u'r (CI' b �� I d 'V / v _w_._e / y _v t L._---! el' -_..._ v, 31 ... 1 'I !vimoA-11:1V 0 Q N� Q► .\Nk -°�44 �! :� / 0/ We- - l, S Si I ' p i• 2AV LICE'. . :DER 1c, Ens , .- .t#4-eiJ Lqa / a23, 6 ' 1 ii 2- - 3. 1 '':. Li _I i //IL. , __FA 7 3- ' :rel ___j, ,- •,-, • (v.„, , •„.... ii!___.--__-._:_._- 1--T' di, olls ldeay. P"*('7> AP obr fvt/r i ,, /d (la.Ove at aA's PAPpRR2 7 1 U2 E .;,i' ...,________awiLdia,, „... ,.., C ' ,. 3 COUNTYNVIR0NMEN T A L HEALTH tr . N JBW. Bw 4- Z1• 1 C1 M 0 DIY vq "l Ae70 cli dl'1" _l q 4 " ; ?or.1 1 , 1 4� NO Se&It ç\ l/sor ,• • , rl • � y 5100418 .' Ica DY A o ' • � ' � r LIC ES ER EXPIRES 05110! - I yy Y�� c1/V4. evA _ 1 RISER MTH LOCKING LID TO DRAINFIELD PRESSURE LATERALS A I A I I o'i' tom-'-' gl,,t 4 FLOW CONTROL VALVE �'" O. SLOTS AS 1 REQUIRED ` - _ i' FLAP CHECK Jtl ' • L _ ; VALVE LONG SWEEP 90 i J" ,"G�, DEGREE ELBOW • - • " 4 SECTION A-A WASHED ROCK DRAIN SUMP TRANSPORT PIPE FROM PtC1IAMSER of•r,S, TA �k alp,% 4 ;V DRAINFIELD CONTROL BOX o� ur 5 wAIT a Z� (SLOPING GROUND;-MANIFOLD BELOW LAT L ENS DESIG l- �c�1lzcrn EXPIRES 05110- PPROVE APR 2-7 2023 MASON COUNTY ENVIRONMENTAL HEALTH 1 kir JBW I____. APPROV E APR 2 7 2023 MASON COUNTY ENVIRONMENTAL HEALTH JBW THREADED CAP OR PLUG P(-- ✓a.c (--I- 6"PVC LAST ORIFICE;WITH ORIFICE SHIELDS IF ORIFICE ORIENTATION IS BACKFILL \k\ UPWARD MATERIAL Ns'�\��\�\\ -. ) "\ �\ -\ 1Y/ /,. /A \\ .:: r. \\� 00o O�i 0 0000 �-- PRESSURE LATERAL °o o °o° °0O AS SPECIFIED PVC HOSE OR \�\\ ° o• p 000 LONG SWEEP / oto. 0000I\ ELBOW DRAIN ROCK; 6"MIN. BELOW PIPE UNDISTURBED SOIL 6"PVC WITH DRAIN HOLES; EXTEND TO BOTTOM OF GRAVEL TO MONITOR PONDING INFILTRATIVE SURFACE q- MONITORING/CLEANOUT PORT F Sy (EXAMPLE) • e 44 AV11-) O CIN WAITE LICENSED DESIGtjFR QA* ExPIREs os.,o/ 0., .,-�I,:. 6 ill re" c� d t. SECURED/ LID WITH GAS TIGHT SEAL 1 24"DIAMETER ACCESS RISER Immommol FINISH GRADE 122 /l6 . i�_ ids---___T U / I 1-1 TO PUMP CHAMBER FROM SEWAGE SOURCE FLOATING MAT ' APPROVED EFFLUENT FILTER — SE ., ppRovE DIMENTS SEDIMENTS --~ ______ APR 21 2023 a STLTANK MASON COUNTY ENVIRONMENTAL H ALTH (TYpivAL) J BW SECURED 41D WITH GAS TIGHT SEAL THREADED UNION 24"DIAMETER FINISH GRADE __.. ,,ACCESS RISER SERVICE ��� VALVE* 1I FROM SEPTIC IZ°� /$ 'pi It. TANK mid m*m_..• TODRAINFIELD II 1 --�•.-- EMERGENCY STORAGEi I if II HIGH WATER ALARM LEVEL ANTI SIPHON VALVE* WORKING VOLUME 1 `� INDEPENDENT NORMAL TIMER OFF LEVEL ill FLOAT STEM - --0 FOR FLOAT ENCLOSED PUMP MOUNTING SEDIMENT SHROUD• —�- • ' 4 °I— CHECK VALVE• I d 4, �Ne SEDIMENTS 11_IM=� SUBMER818LE /�� pF a, CENTRIFUGAL /�� of tipsy 9� , PUMP rQ4 ' c ���O U PS'►HAMB �; 2 Z��6 cPiQALJ I P" &'L�,le • /� 51004t '/ 034 /, "I�'V�%3 *AS NEEDED off 0 0 DY T 1 rr LICE DESIGF /��,, ,��y ...7." 1.41 v. U5•'J• tV . • c.. • LbPuinps ° '� ftiorP-- f#:" ::_ir, Pump Specifications Ii , .250-Series Submersible 1' �%Sum �� ! p / Effluent Pump \r. LITERS PER MINUTE 0 20 40 60 80 100 120 140 160 180 25 if I I , i I I , I — ._.-_- -- -i 7 PPROVE A?R 212023 �q }£ptts TY ENVRQNMENTAL HEALTH [ J�UV i 15 in w I— w w -_ I- w w u_ i z —4Q3 2W • x a J J 10 0 g_ ! 3 j OAP - X 2 Is, o �tqs I 1,4, p I Aye, 1°\(1/ O C E VIg1ITE ‘•1 10 20 30 4050 0 an, or LICENSED DESIGNS' ` 1 `my.% ����n'm. 1k ���my GALLONS PER MINUTE EXPIRES U5i10, 250_PI RI/17/2018 °Copyright 2018 Liberty Pumps Inc. All rights reserved Specifications subject to change without notice Pum` ppsr Installation Notes Pressure Distribution System 4360 E Agate Rd 32024-12-90061 1. 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. 2. Gravel based drainfield required. 3. Septic and pump tank must be concrete. 4. The tanks may be moved as necessary to accommodate building requirements. Septic tank location must meet all required setbacks. 5. Keep wheeled vehicles off the drainfield area before, during and after installation. Tracked equipment only, 6. 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. 7. Curtain drains can be no closer than 10' upgradient and 30' down gradient of the drainfield 8. Exposed restrictive layers, cuts, banks, etc. can be no closer than 50' downhill from the drainfield. 9. Install access risers on the septic tanks. valve box and ends of laterals. 10. Make sure septic tank risers are epoxied or caulked to cast in riser rings on tank. 11. Lids must form a water and gas tight seal with the access risers 12. Install effluent filter specified in this design at the septic tank outlet. 13. This system must be installed by a Mason County Certified installer. 14. Deviation from this design without prior approval from the designer and Mason County Health Department will make this design null and void. 15. 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 minimum design flow of one hundred twenty gallons per day. This creates a surge factor of 33% but anticipated flow is ninety gallons per bedroom per day. 16. Install laterals with contour of the ground 17. Install trench bottoms level and always maintain a minimum of six inches into native soil 18. Install locator tape on top of all drainfield laterals. 19. Install threaded clean outs at the ends of all laterals (caps must extend to within six inche of finish grade and be in a valve box as shown on diagram. 20. Inst dio/visual alarm 21. Fil fa 'c required over drain rock prior to backfilling. If the drain rock extends above t „prigir, grade, run the filter fabric at le t 2pco h w VEeall. /� � c J_ ) V y� 5,0 • �� %vAPR 2 7 2023 ‘k o� CI E vup�irE MASON COUNTY ENVIRONMENTAL HEALTH LICENS GDE3IGNER Jew `.x•'i'iLS .,•,to 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. ApPRO V E �' ��� APR 212023 •P .Al. MASON BOUNTY ENVIRCNMENTA1 dr c, of riy 9A • HEALTH '• 4� 1,, � 0-IA .1BVU �� 5100418 SA `1, O CINDY E.WAITE �?i,,1 v f: LIC�SE,� � ENSED DESIG NER ek . tom`E; &�-�-:" . M