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Home My WebLink AboutSWG2025-00003 - SWG Application / Design - 1/6/2025 ® MASON COUNTY 415N6THELTON. SHELTO70,EXT 504 6H STREET 30HELTON, EXT5M 400 BELFAIR.360-275-4467,EXT 400 Public Health & Human Services ELM 360482L269,EXT 400 FAX 360427-7707 On-Site Sewage System Permit: SWG2025-00003 APPLICANT THOMPSON MICHAEL L&TIFFANY A Phone: 360-522-2597 Address: 11 W KILLION CREEK RD SHELTON.WA 98584 SEPTIC DESIGNER Hunter,Adam Phone: 360753-1226 Address. 2201 93rd Ave SW Olympia,WA 98512 Site Address: 170 W Killion Creek Rd Primary Parcel Number: 620122100010 Permit Description: New SFR-4BR Sand Lined Pressure Bed Permit Submitted Date: 01/06/2025 Permit Issued Date: 01/23/2025 Issued By: Jeff Wilmoth Current Permit Fees Paid: $825.00 Own.re f.ovye n UoW upon lnNWlttien a gW.no Permit Expiration Date: 01/09/2028 (5emd on doe almFaeloN Permit Conditions: 1 Proposed development subject to zoning requirements and approval by the planning department staBper 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 Drainfreld installation not to exceed designed upslope and downslope depth specified on design farm. 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 back ill of system components. 6 Mason County Asbuilt Form, Record Drawing, and Installation fee must be submittedfor final installation approval. THIS PERMIT MUST BE ONSITE DURING INSTALLATION OF OS& 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 SUE WAS INSPECTED AND DESIGN APPROVED. FINAL INSTALLATION APPROVAL IS REQUIRED PRIOR TO TEMPORARY OR FINAL OCCUPANCY OF ANY RELATED STRUCTURES. For Final Inspection visit: masoncountym.gov/health/environmental/onsite/o"-in3pec0on-requestphp or call: 360-427-9670,extension 400. OFFICIAL USE ONLY C— MASON COUNTY PUBLIC HEALTH DARK B.o. ` b Z , ONSITE SEWAGE SYSTEM APPLICATION MWMRfCND. n^ SPUNEDW `a y yVLG ohllh 415 N6BI SIree418k1g el Shelton WA9B504 < y Shehon:360-427-967OeM400 Be1fair:3W275A457eM400 SWG 2 f1�J Cam_Q 0003 Z y 7YY Z D PHONE > APPLICANT _MIKE THOMPSON 3605222597 m m r MASINGAnORESS-STREET,cm,STATE,ZIP CODE 11 W KILLION CREEK RD SHELTON WA 98584 3 SUEAODRESS-STREET,CITY ZIPCODE 170 W KILLION CREEK RD SHELTON WA 98584 IT EEE PHONE 3807531226 PHONE TBD N CHECK ALLAPPLICABLE ITEMS DRINKING WATER`SOURCE I N NEW CONSTRUCTION [3 RV HOLDING TANK ONLY Ef PRNATE INDNIOURL WELL O I� NEW 0 INSTALLATION PERMIT ONLY E3 PRNATE TWO�PARTY WELL p TABLE9REPMR [3 SINGLE FAMILY [3 COMMUNITYIPMUC WATER SYSTEM I IQ 0 TANK(S)ONLY ❑ COMMERCIAL SYSTEM NAME: [3 UPGRADE TO EXISTING 0 OTHER: BeDnOOMS LDi SUE [3 EXISTING FAILURE O1Uaev1nS�uMW 3 10 nr Mr m.edmm.^ O DIRECTIONS TO SUE.BE SPECIFIC AND ADVISE OF ANY NEEDED INFORMATION FORACCESS I—M4N paY) I I SHELTON MATLOCK RD TO A RIGHT ON KILLION CREEK RD FOLLOW SIGNS TO 170 AT THE END. I o SUE MUST BE"GGEB F SIANRDADAND TEST M04ES YUSTBE RAGGED NTFM TEBT MOLE NUWEIIS OFFICIAL USE ONLY BELOW THIS LINE VPoRADEI FAILURE SOURCE LRll npamed puryaesl []VOLUNTARY [3LMINTENANCUPUMPING DBUILDINGPERMIT OHOMESALE E3COMPLAINT OOTHER: INSPECTOR SOIL OSS COMMENTS I CONDMONS SOIL CODES. V=VERY G=GRAVELLY S=SAND L=LOAM S,=EST C=CIAY E=EXTREMELY ft=ROOTS pfACTOR$KWANRE DATE MPLICNDONEXRRATIONOATE ICAT NAPPROVED BY DATE I-a 2 f-a - 2 („) t23- 5 / THI F R M YBE SCAN NED AND AVMLABLE FOR FUEL.MEW ON THE MASON COUNTY WEBSIT U U RDnSFD 127ODIS DESIGN FORM-PAGE ONE Assessor's Parcel Number: 62012-21-00010 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 O Cross-section sketch,including all applicable items on checklist. This form maybe scanned and available for public view on the Mason County Web site.Maurimum paper sure.- 11-X IT' IDENTIFICATION Permit Number S WG Designer's Name: ADAM HUNTER Applicant's Name: MIKE THOMPSON Designer's Phone Number: 360-753-1226 Mailing Address: 11 W KILLION CREEK RD Designer's Address: PO BOX 162 SHELTON WA 98564 OLYMPIA WA 98507 City State Zi City State Zip RS _ Treatment Device ❑Glendon Biofilter ❑Sand Filter ❑Mound "Sand Lined Draimii ❑ Recirculating Filter,Type: 0 Aerobic Unit Make/Model ❑Disinfection Unit Make/Model Other: Drainfield Type ❑Gravity dpressure 0 Trench dBed ❑ Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 3 Schedule/Clam 40 Daily Flow:Operating Capacity 270 gpd Length 36 ft Daily Flow: Design Flow 360 gpd Diameter 1.25 in Septic Tank Capacity 1200 gal Number 4 Receiving Soil Type(1-6) 1 Separation 2.5 ft Receiving Soil Appl.Rate 1.0 gpd/ft2 Orifices Required Primary Area 360 fir Total Number of Orifices 60 Designed Primary Area 360 fir Diameter 3116 in Designed Reserve Area 360 fl2 Spacing 28 Trench/Bed Width 10 ft Manifold Trench/Bed Length 36 ft Schedule/Class 40 Elevation Measurements Length 7.5 p Original Drainfield Area Slope 2 a/ Diameter 2 m New Slope,If Altered NIA % Preferred manifold configuration used? VYcs 0No Depth of Excavation Upalope 48 in Transport Pipe from Original Grade Dowvslope 42 in Schedule/Class 40 Designed Vertical Separation >18 in Length 70 ft Gmvellcm Chambers Required? 0 Yes Cl No I1f0ptional Diameter 2 in Pump Required? IfYes 0 No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 6 Difference in Elevation Between Pump Shutoff and Uppermost Dose 60 gal Orifice °' it ChtliNg �y�,�,>�`�se 1200 gal Uppermost Orifice an Higher 0 Lower th Pump Shutoff �controls:la check those required. Capacity @ Total Pressure Head 12.189 spin �(`." S Elapse Meter O'Event Counter Calculated Total Pressure Head 35171 tt , itnjr. on 60GAL Pump off 4HRS Comments S Q J� VO 50 �P DESIGN FORM—PAGE TWO Assessor's Parcel Number: __ 62012-21-00910 ____ Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch d Test hole locations 1l Drainfield orientation and layout Reference depth from original grade: 12( Soil logs E� Trench/bed dimensions and Ed Septic tank 12 Property lines critical distances within layout 19 Dminfield cover 19 Existing and proposed wells 9 D-Box/Valve box locations Reference depth from original grade within 100 ft of property Eg Septic lank/pump chamber and restrictive strata: ❑ Measurements to cuts,banks,and locations ❑ Laterals,trenchlbed,top and surface water and critical areas 11 Observation port location bottom FI Location and orientation of E9 Cleanmu location ❑ Curtain drain collector curtain drain and all absorption Rf Manifold placement ❑ Sand augmentation components EZ Orifice placement Other cross-section detail: 19 Location and dimension of Lateral placement with distance 19 Observation ports/clean-outs primary system and reserve area to edge of bed Other Information M Buildings Audible/visual alarm referenced Yes No E9 Direction of slope indicator Rl' Scale of drawing shown on scale d ❑ Design staked out E9 Waterlines bar ❑ ❑ Recorded Notices attached 19 Roads, easements,driveways, P � ,�a o y y ❑P mP cur attached panting (S u Y curve attached 19 North arrow and scale drawing Evaluation of failure JAN 13 ZUiS residential justification shown on scale bar MASON COUNTY ENVIRONMENTAL ❑Waste strength JBW T"❑ Flow DESIGN APPROVAL The undersigned designer Jo - a staller at time of installation KI f Yes ❑ No 1/6/25 re of Designer Date The undersigned has revien on behalf of Mason County Public Health and determined it to be in compliance with state andgulations: E eal Specialist Date CAUTION: DESIGN APPRO AL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved"by Mason County Public Health. 1 Z d ✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is: 0 ✓ Dramfield 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: 12n/2015 PAGE 1 MASON COUNTY HEALTH DEPARTMENT ON-SITE SEWAGE DISPOSAL SYSTEM DESIGN SITE R PARCEU I: 820122100010 DATE SUBMITTED: 011ON26 LEGALAOTN: SUBMITTED BY: ADAM HUNTER APPLICANT: MIKETHOMPSON ADDRESS: 11 MILLION CREEK RD SHELTON,WA SSSS4 I.CALCULATIONS NUMBER OF BEDROOMS= 3 RESIDENTIAL GPO FLOW= 3B0 IF NON-RESIDENTIAL-GPD FLOW WILL BE AS FOLLOWS: GPD= APPLICATION RATE= 1 GPD/FT2 REDUCTION=LEAVE BUNK IFNOTUSED DRAINFIELD SIZING ABSORPTION AREA W FT2 TRENCH LENGTH OR BED CONFIG.= 1OFT X 38FT SAND LINED BED IL WATERPROOF SEPTIC TANK COMPOSITION AND SIZE= 1200 GAL.CONCRETE NEW OR EXISTING= NEW III.GRAINFIELD CROSS SECTION DEPTH TO DRAINROCK BOTTOM= Y-0' ROCK DEPTH BELOW PIPE= 0-6' SEPARATION FROM TRENCH BOTTOM TO IMPERMEABLE MATERIAU EASONAL SATURATION= =1..8. FILL DEPTH= 1--3' TRENCH WIDTH= 10--0' N.PUMP REQUIREMENT DOSING VOLUME IN GALLONS= 60 NUMBER OF DOSES PER DAY= 6 V.PRESSURE CALCULATIONS USING PIPE CLASS= q0 ORIFICE DIAMETER 311g 'fr ® Fy T N> g 9w vr2/za Q � z r ":rPI°t..i.....w + 26 PAGE LATERAL N1= SQUIRT HEIGHT(FT): E.W (NOTE(1)1 ORIFICE OISGARGE RATE-(1t.T)X(GRIGICEONMETEMS02X SO ROOT OF(TOTAL PRESSURE HEAD) ORIFICE DISCHARGE RATE= 0.58818 LATERAL LENGTH IN FEET= 38.0 ORIFICE SPACING= 2'r DISTANCE FROM END CAP= 1'r NUMBER OF HOLES= 15 LATERAL DISCHARGE RATE= 8.T9.3 LATERAL M= SQUIRT HEIGHT(FT)= 2.0 ORIFICE DISCHARGE RATE= 0.56618 LATERAL LENGTH IN FEET= W.W ORIFICE SPACING- z C DISTANCE FROM END CAP= 117 NUMBER OF HOLES= 15 LATERAL DISCHARGE RATE= 8.70 LATERAL N= SQUIRT HEIGHT(FT)= 2.W ORIFICE DISCHARGE RATE= 0.58818 LATERAL LENGTH IN FEET= W.W ORIFICE SPACING= 2W DISTANCE FROM END CAP= VT NUMBER OF HOLES= 15 LATERAL DISCHARGE RATE= 8.793 LATERAL p9= SQUIRT HEIGHT(FT)= 2.W ORIFICE DISCHARGE RATE= 0.58618 LATERAL LENGTH IN FEET= W.W ORIFICE SPACING= T 4' DISTANCE FROM END CAP= 1'T NUMBER OF HOLES= 15 LATERAL DISCHARGE RATE= 8.793 LENGTH DIAMETER FLOW FRICTION LOSS SECTION (FT) (IN) (GPM) (FT) AS TOAD 2.W 35.171 1.480 BC 1.25 2.W 17.585 O.WT CD 2.50 2.W B.793 0.009 DE W.W 1.25 B.793 0.419 TOTAL= 1.889 "TOTAL HEAD LOSS ^ 1)FRICTION LOSS THROUGH SYSTEM= 1.869 2)ELEVATION DIFFERENCE = 8.300 3)RESIDUAL = P 2oW0 1/624 �•� �� 14 AN 13 O �- M'�CNCOUNTYENVIRONTAI &As"J JBw NEA(Ty .. .,, 26 MYERS ME3 Capacity liters per minute 0 50 100 150 200 me {0 12 I 'yF,y 10 30 '�yA R N N e E 20 L 0 r 10 2 0 0 10 20 30 40 5o 6o 70 Capacity gallons per minute Q M o � Inc H 4Q � m 116/24 O` ow4..v..c, ' rnztiv� u 26 ' |..;| [ • . _. . 6[ ( | � • _� : « ; . . « PP)? 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