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HomeMy WebLinkAboutSWG2025-00060 - SWG Application / Design - 3/13/2025 416 N eTH 61REET,SH ELT ON.WA 9a684 MASON COUNTY aHELTON:390-VSA470,EXT 400 BELFAIR:380-2Tadde7,EXT 400 360d825269,EXT 400LMA: Public Health & Human Services E FAX:360-427-7787 On-Site Sewage System Permit: SWG2025-00060 APPLICANT Hunter,Adam Phone: 360753-1226 Address: 2201 93rd Ave SW Olympia,WA 98512 OWNER DAHL PROPERTIES LLC Phone: 1,360,740.0345 Address: 261 HAMILTON RD N CHEHALIS, WA 98532 Site Address: UNKNOWN Primary Parcel Number: 520241350040 Permit Description: New 3BR SFR pressure permit Submitted Date: 02120/2025 Permit Issued Date: 0311712025 issued B Jeff Wilmoth y' $825.00 (eddiliaral fees may to reeulred upaa installation of ayalam). Current Permit Fees Paid: Permit Expiration Date: 0311312028 (cased oo data of I-P-Wn) Permit Conditions: 1 Proposed development subject ro zoning requirements and approval by the planning department staff per Mason County Title 17. 2 Permit most be Installed by a Mason County Certified Installer unless prior written authorization from Mason County is obtained. 3 Dralnfreld Installation not to exceed designed upslops and downs/ope 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 baci 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: masencwntywa.gov/healthionvironmental/onsite/oss4nspoction-mquest.php or call: 360-427.9670,extension 400. ® OFFICIAL USE ONLY MASON COUNTY PUBLIC HEALTH ESW( ONSITE SEWAGE SYSTEM APPLICATIONalsxbmslreeL(eMyB) sneuanwa9ase+Shehon:BNl-017-96TBext400 AENaic3E4n54ME7ext4W ZVZS — 00010 = pn APPLICANT PN 6 0 CALVIN DAHL 3607400345 m m ANIL INL ABDRESB-STREET Lm.SNTE 71P LGDE 261 N HAMILTON RD CHEHALIS WA 98532 a eREAooRFaR.SmEEr.cm,p»ccoE MF XX HIGHLAND RD (AF2205952 LOT 4) SHELTON WA 98584 NwEaf DESIGNER PHONE I ADAM HUNTER 360,7531226 PHONE NAMEOF WSTALLER TBD c LNECKAU-MMKIABLE ITEMS DRIM(NO WATERSgMCE d NEW CONSTRUCTION [] RVHOLDINGTANKONLY [] PRIVATE INDMDUALMU- f%1 E3 REPLACEMENT SYSTEM ❑ INSTALI TIONPERMITONLY Lg PRIVATETWO�PARTYWELL [7 TABLES REPAIR ❑ SINGLE FAMILY M( COMMUNTTNPUBUC WATER SYSTEM IZ 0 TANK(S)ONLY ❑ COMMERCIAL SYSTEM NAME I A W UPGRADE TO EXISTING ❑ OTHER: BEOROOMS LOTSUIE w [3 EXIS71NOFMLURE 3 5.26 I N Mar ANHUMNAKon • Cl gRELTIOHb TO SfTEBE 9PECIFILNI0ADN5EOFPNY NEEDED IHFOflANTIOX FORACGEBB(u bMMpLM) � I g HIGHLAND RD SOUTH TO SUBDIVISION ROAD ON THE LEFT FOLLOW TO THE END. of Pee &iEMWi/EHALLED FROM MAINROADAND iESI NOLES MUBI BEFtADLEO NRH KIiTNOLF NUMICMd ��L. �O`S OFFICIAL USE ONLY BELOW THIS LINE UPGIUDE/FAILURE BWNLE(bnpp4rilpWofn) [3VOLUNTARY E]MNNTENANCEIPUMPING E7BUILDINGPERMIT [1HOMESALE EICOMPLAMNT E]OTHEFL INEPEG10R8gLLOGb � � COMNFIRS/COIWRKRIB SgLL(XICS: y=yERT p.OMY£LLY 6=SV10 L-LONM &=81LT L=CIAY E•EMPEMELT R=R0OT6 IRS PFL I[iNATURE DATE APPLNanaN EXPIRAnoNwTE MVLICATIONAaPPOVEDBY DATE � THISAOIBW BE SCANNEOANO AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBS IT REVISED IMM15 DESIGN FORM—PAGE ONE Assessor's Parcel Number: k2O24-13-60040____ A design will be reviewed when 3 caries of each of the following are submitted: Completed design forth that has been signed and dated. 0 Scaled layout sketch,including all applicable items on checklist Scaled plot plan,including all applicable items on checklist. 0 Cross-section sketch,including all applicable items on checklist. This form m be maned and avallsblefor public vies,on the Mown County Web site.Maximum E4,Per size: PARCEL IDENTIFICATION Permit Number: SWG Designer's Name: ADAM HUNTER CALVIN DAHL 360-753-1226 Applicant's Name: Designer's Phone Number: 261 N HAMILTON RD PO BOX 162 Mailing Address: Designer's Address: ® CHE IS WA 98532 OLYMPIA WA 98507 City State Zip city State Zip DESIGN PARAMETERS Treatment Device ❑Glendon Biofiller Cl Sand Filler ❑Mound ❑Sand Lined Grainfield ❑Recirculaling Filter,Type: ❑Aerobic Unit Make/Model ❑Disinfection Unit Make/Model Other: Drainfreld Type ❑Gravity &(Pressure I521"Trench ❑Bed ❑Sub Surface Drip Septic TanWDrainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class 40 Daily Flow:Operating Capacity 270 glad Length 40 ft Daily Flow: Design Flow 360 gpd Diameter 1.25 in Septic Tank Capacity 1200 gal Number 5 Receiving Soil Type(1-6) 4 Separation 6 ft Receiving Soil Appl.Rate 0.6 gpdlW Orifices Required Primary Area 600 It, Total Number of Orifices 65 Designed Primary Area 600 ft' Diameter 3/16 in Designed Reserve Area 600 ft1 Spacing 36 in Trench/Bed Width 3 ft Manifold Trench/Bed Length 200 ft Schedule/Class 40 Elevation Measurements Length 30 R Original Dminfieid Area Slope 2 % Diameter 125 in New Slope,If Altered N/A s% Preferred manifold configuration used? E2(Yes O No Depth of Excavation Up-slope 12 in Transport Pipe from Original Grade Down-slope 10 in Schedule/Class 40 Designed Vertical Separation 24 in Length 75 ft Gmvelless Chambers Required? []Yes O No MtOplional Diameter 2 in Pump Required? Of Yes O No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 6 Difference in Elevation Between Pump Shutoff and Uppermost Dose quantity 60 gal Orifice as ft Chamber C410114. 1200 gal Uppermost Orifice If Higher O Lower than Pump Shutoff Pont o e check those required. Capacity®Total Pressure Head 36.102 gpm Afh her �,r Elapse Meter Event Counter Calculated Total Pressure Head s.raz fl Winer ymp PPv 60 GAL ,pump off 4 HRS Comments ,pC� DESIGN FORM—PAGE TWO Assessor's Parcel Number:___ 52024-13_50040 ____ Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch 12f Test hole locations 19 Drainfeld orientation and layout Reference depth from original grade: If Soil logs 12f Trench/bed dimensions and d Septic tank EZ Property lines critical distances within layout lZ Drainfield cover fZ Existing and proposed wells 9 D-BoxfValve box locations Reference depth from original grade within 100 ft of property 9 Septic tank/pump chamber and restrictive strata: IZ Measurements to cuts,banks,and locations ❑ Laterals,trench/bed,top and surface water and critical areas 69 Observation port location bottom O Curtain drain collector Location and and all abs absorption � Clean-out location ❑ Sand augmentation curtain drain and all absorption 5� Manifold placement components FZ Orifice placement Other cross-section detail: l( Location and dimension of 9( Observation ports/clean-outs � Lateral placement with distance primary system and reserve area to edge of bed Other Information 19 Buildings d Audible/visual alarm referenced Yes No 1Z Direction of slope indicator Sc le of drawing shown on scale Ef ❑Design staked out E9 Waterlines y a P (�1� ® I/ ❑ ❑ Recorded Notices attached r ❑ ❑ Waiver(s)attached E3 Roads,easements,driveways, ❑ El Pump curve attached parking MAR 17 M5 ❑ ❑Evaluation of failure North arrow and scale drawing ASON COUNTY ENVIROWENTAt HEALTH shown on scale bar C. Non-residential en ttOcation JB1lll ❑ ❑ Waste strength ❑ ❑ Flow DESIGN APPROVAL The undersigned designer outqSj d by installer at time of installation ItYes ❑ No 771—_ 2/20/25 e of 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 or its regulations: W 3- _ zS EVir&A&nml Health Specialist Date CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved"by Mason County Public Health. 7 I I� ✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is; 7 ✓ 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: 121V2015 MASON COUNTY HEALTH DEPARTMENT ON-SITE SEWAGE DISPOSAL SYSTEM DESIGN SITE%: PARCEL%: 13526310601 DATE SUBMITTED: 2202025 LEGALA.OT%:1_1_161D3415 LOT 1 SUBMITTED BY: ADAM HUNTER APPLICANT: CALVIN DAHL ADDRESS: I.CALCULATIONS NUMBER OF BEDROOMS- 3 RESIDENTIAL GPD FLOW= 360 IF NON-RESIDENTIAL-GPD FLOW WILL BE AS FOLLOWS: GPD= APPLICATION KATE= 0.6 GPD/FT2 REDUCTION=LEAVE BIANN IF NOREOUCDON TAKEN GRAINFIELD SIZING ABSORPTION AREA 6W FT2 TRENCH LENGTH OR BED CONFIG.= 5-40FT TRENCHES II.WATERPROOF SEPTIC TANK COMPOSITION AND SEE= 120D GAL.CONCRETE NEW OR EXISTING NEW 11.DRAINFIELD CROSS SECTION DEPTH TO DRAINROCK BOTTOM= 1 -P ROCK DEPTH BELOW PIPE= 0'-e' SEPARATION FROM TRENCH BOTTOM TO IMPERMEABLE >2' 0' MATERIAUSEASONAL SATURATION= 1' 0' FILL DEPTH= 3'-0' TRENCH WIDTH= IV.PUMP REQUIREMENT DOSING VOLUME IN GALLONS= NUMBER OF DOSES PER DAY= 6 V.PRESSURE CALCULATIONS U PE CLASS 40 ORIFICE 306 2/20125 �O �` `pJ .. .. ....:26 LATERAL#1 2.00 SQUIRT HEIGHT(FT) (NpTE(2C 01WICE DISCHARGE RATE=(11.TB)X(ORFICE DIALIETOD) % SO ROOTOF(YOTAL PRESBURE HEAD) 0.68818 ORIFICE DISCHARGE RATE= 40.00 LATERAL LENGTH IN FEET= 3'0' ORIFICE SPACING= T IF DISTANCE FROM END CAP= 13 NUMBER OF HOLES= 7.620 LATERAL DISCHARGE RATE_ LATERAL#2= ZOD SQUIRT HEIGHT(FT)= 0.56518 ORIFICE DISCHARGE RATE= 40.00 LATERAL LENGTH IN FEET= 3'0' ORIFICE SPACING- p 0• DISTANCE FROM END CAP= 13 NUMBER OF HOLES= 7820 LATERAL DISCHARGE RATE_ LATERALM3= 2.01) SQUIRT HEIGHT(FT)= DESSIS ORIFICE DISCHARGE RATE= 40.00 LATERAL LENGTH IN FEET= 3'0' ORIFICE SPACING= 2-0. DISTANCE FROM END CAP= 13 NUMBER OF HOLES= 7.620 LATERAL DISCHARGE RATE_ LATERAL RA= 2.00 SQUIRT HEIGHT(FT)= 0.58818 ORIFICE DISCHARGE RATE= 4000 LATERAL LENGTH IN FEET= To, ORIFICE SPACING= T D• DISTANCE FROM END CAP= 13 NUMBER OF HOLES= 7620 LATERAL DISCHARGE RATE= LATERAL n= 2.00 SQUIRT HEIGHT(FT)= 0.68618 ORIFICE DISCHARGE RATE= 40.01) LATERAL LENGTH IN FEET= TV ORIFICE SPACING= 2-0- DISTANCE FROM END CAP= 13 NUMBER OF HOLES= 7.620 LATERAL DISCHARGE RATE_ o UN�oUryTyR� ��1p�5SIM Jew MFNrq/HF�(� 2/20/25 4 Aau.I I xl6x�" 1 1 ii 1 LENGTH DIAMETER FLOW FRICTION LOSS SECTION (FT) (IN) (GPM) (FT) AS T5.00 2,00 38.102 1.8187 SC 1.D0 2.00 22.881 0.0094 CO 1.00 2.00 15.241 0."5 DE 30 00 2.00 T.820 D 0370 EF 40.00 125 7SX 0.3528 TOTAL= 2.2224 "TOTAL HEAD LOSS " 1)FRICTION LOSS THROUGH SYSTEM= 2 n2 2)ELEVATION DIFFERENCE = 5'5M 3)RESIDUAL = 2'OOO TOTAL= 9.722 © tiP � Q 2120125 yo c 26 MYERS ME3 Capacity liters per minute 0 50 100 150 200 250 60 12 i .i4 10 H� i 30 �'He w 6 20 i 0 v s ! 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