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Home My WebLink AboutSWG2025-00278 - SWG Application / Design - 7/10/2025 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584 SHELTON:360-427-9670,EXT 400 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: SWG2025-00278 APPLICANT Hunter,Adam Phone: 360 753-1226 Address: 2201 93rd Ave SW Olympia, WA 98512 OWNER JOHNSON ALLAN H &JUDITH A Phone: 360-275-6323 Address: 13591 E STATE ROUTE 106 BELFAIR, WA 98528 SEPTIC DESIGNER ADAM HUNTER" Phone: 360-753-1226 Address: PO Box 162 OLYMPIA, WA 98507 SEPTIC INSTALLER SCOTT JOHNSON* Phone: 360-490-5408 Address: 8639 Salty DR NW OLYMPIA, WA 98502 Site Address: 13591 E State Route 106 Primary Parcel Number: 222212300080 Permit Description: Repair: 3-bedroom SFR pressure system with sand-lined bed (no designated reserve drainfield) Permit Submitted Date: 07/10/2025 Permit Issued Date: 08/20/2025 Issued By: David Anderson Current Permit Fees Paid: $825.00 (additional tees may be required upon installation of system). Permit Expiration Date: 07/22/2026 (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 Asbuill 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 Herim, •: MASON COUNTY DATE RECEIVED: I ) ot— c C � AMOUNT RECEIVED. RECEIVED III --l-� Public Health & Human Services c� `� (�� jy�, v_ m i Environmental Health 360-427-9670,ext.400 or 360-275.4467,ext.400 C Cn SWG — ��.79 3 ° 415 N.6th Street-5heiton,WA 98584 O o Z (n CLEAR FORM ON-SITE SEWAGE SYSTEM APPLICATION z 13 n APPLICANT PHONE m m SCOTT JOHNSON 3604905408 z c ).TAILING ADDRESS-STREET,CITY,STATE,ZIP CODE 8639 SALTY DR NW OLYMPIA WA 98502 m SITE ADDRESS-STREET,CITY,ZIP CODE • 13591 E SR 106 BELFAIR WA 98528 I N NAME OF DESIGNER PHONE I N N ADAM HUNTER 3607531226 N NAME OF INSTALLER PHONE 0 I ' AFFORDABLE SEPTIC 3604905408 < o (n I (PERMIT TYPE(select one) DRINKING WATER SOURCE O gRESIDENTIAL OSS &COMMUNITY OSS IE IN COMMERCIAL OSS iJ PRIVATE INDIVIDUAL WELL h-PRIVATE TWO-PARTY WELL Z I O TYPE OF WORK Wed ono) PUBLIC WATER SYSTEM PF FA'R I 6"NEW CONSTRUCTION/UPGRADES LN p REPAIR/REPLACEMENT OTHER DETAILS(seed cfli that eppF/) 0 TABLE X REPAIR I SUBMITTALS Elf SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE W b DESIGN FORM(REQUIRED) !El SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE WAS LOT CREATED AFTER 4/1/2025? O r I b WAIVER(S)(IF APPLICABLE) 3 0.15 ❑ YES ElNO 0 I I DIRECTIONS TO SITE AND SITE CONDITIONS:(cr.locked gale) I STATE ROUTE 106 NORTH EAST TO SITE NUMBER 13591 ON THE RIGHT. I r I O I SITE MUST BE FLAGGED FROM F.?AIIJ ROAD AND TEST HOLES MUST RE FLAGGED WITH TEST HOLE NUMBERS. I OFFICIAL USE ONLY BELOW THIS LINE UPGRADE/FAILURE SOURCE(for reporfiny purposes) ❑VOLUNTARY 0 MAINTENANCE/PUMPING 0 BUILDING PERMIT ['HOME SALE ['COMPLAINT ['OTHER: INSPECTOR SOIL'"GS COMMENTS/CONDITIONS `(tfZ:d -?b• .(e,c/ Coap(JOrd ` e/3) 'o" < r Coac -tv bo i (iypel) SOIL CODES: RECORD DRAWING AND INSTALLATION REPORT V=VERY G=GRAVELLY S=SAND L=LOAM SI=SILT C=CLAY E=EXTREMELY R=ROOTS REQUIRED FOR FINAL APPROVAL. INSP T SIGNATURE DATE APPLICATION EXPIRATION DATE APPLICATION APPROVED/ISSUED BY DATE "22/ s 7(i Z I Zo Z� 7, - �/?o (7o7$ THIS FO M MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025 DESIGN FORM—PAGE ONE Assessor's Parcel Number: 222212300080 -- -- A design will be reviewed when 3 conies of each of the following arc submitted: `'Completed design form that has been signed and dated. '1 Scaled layout sketch,including all applicable items on checklist. '1 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: II"X 17" PARCEL IDENTIFICATION Permit Number: SWG ?CnJ—COZ1,52 Designer's Name: ADAM HUNTER Applicant's Name: SCOTT JOHNSON Designer's Phone Number: 3607531226 Mailing Address: 8639 SALTY DR NW Designer's Address: PO BOX 162 OLYMPIA WA 98502 City State Zip OLYMPIA WA 98507 City State Zip Designer's Email JHANDASSOCIATES@HOTMAIL.COM DESIGN PARAMETERS Treatment Device ❑Glendon ❑Sand Filter 0 Mound C1 Sand Lined Draintield 0 Recirculating Filter 0 ATU LJ Other Treatment Level(check all that apply): J A J B J C J 131,1 J BL2 J 131,3 - I E A N Drain field Type ❑Gravity I 'Pressure 0 Trench 12/Bed ❑ Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class 40 Daily Flow:Operating Capacity 270 gpd Length 30 ft Daily Flow:Design Flow 360 gpd Diameter 1.25 in Septic Tank Capacity(working) 1200 gal Number 4 Receiving Soil Type(1-6) 1 Separation 3 ft Receiving Soil Appl. Rate 1.0 gpd/ft2 Orifices Required Primary Area 360 ft2 Total Number of Orifices 60 Designed Primary Area 360 ft2 Diameter 3/16 in Designed Reserve Area NO ROOM ft2 Spacing 24 in Trench/Bed Width 12 ft Manifold Trench/Bed Length 30 ft Schedule/Class 40 Elevation Measurements Length 9 ft Original Drainfield Area Slope 0 % Diameter 2 in New Slope,If Altered 0 % Preferred manifold configuration used? I 'Yes ❑No Depth of Excavation Up-slope 48 in Transport Pipe from Original Grade Down-slope 48 in Schedule/Class 40 Designed Vertical Separation 18 in Length 15 tt Gravel-based Drainfield Required? ❑ Yes Elf No Diameter 2 in Pump Required? f 'Yes ❑No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 6 Diff. in Elevation Between Pump&Uppermost Orifice 3.9 ft Dose quantity 60 gal Drainfield Squirt Height/Selected Residual(head) 3 ft Chamber Capacity(flood) 1200 gal Uppermost Orifice 12/Higher ❑ Lower than Pump Shutoff Pump controls: Please check those required. Capacity @ Total Pressure Head 43.075 gpm 'Timer G"Elapse Meter 41 Event Counter Calculated Total Pressure Head 7.778 ft If Timer: Pump on 60GAL ,Pump off 4HRS Comments Revised:4/14/2025 DESIGN FORM—PAGE TWO Assessor's Parcel Number: 222212300080 -- -- Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch Test hole locations 9' Drainfield orientation and layout Reference depth from original grade: 9 Soil logs 61 Trench/bed dimensions and 9' Septic tank 9' Property lines critical distances within layout 12' Drainfield cover El Existing and proposed wells f ' D-Box/Valve box locations Reference depth from original grade within 100 ft of property I' Septic tank/pump chamber and restrictive strata: D' Measurements to cuts, banks,and locations ® Laterals, trench bed,top and surface water and critical areas 9' Observation port location bottom 9' Location and orientation of ®' Clean-out location 0' Curtain drain collector curtain drain and all absorption Ed Manifold placement 0' Sand augmentation components ®' Orifice placement Other cross-section detail: 9' Location and dimension of it Observation ports/clean-outs primary system and reserve area 9' Lateral placement with distance to edge of bed Other Information Ef Buildings g Audible/visual alarm referenced Yes No 12i Direction of slope indicator [a' Scale of drawing shown on scale g� ❑ Design staked out 9' Waterlines bar 0 0 Recorded Notices attached 9' Roads,easements,driveways, 0 Elevation benchmark and relative ❑ ❑ Waiver(s)attached parking elevations of system components (' 0 Pump curve attached 9' North arrow and scale drawing 0 0 Evaluation of failure shown on scale bar Non-residential justification ❑ ❑ Waste strength ❑ 0 Flow DESIGN APPROVAL The undersigned designer must be no fled b 1 sr at time of installation 0 Yes COY No 7/10/25 Sig is e .f Designer Date ,s '••p-i3 . • The undersigned has reviewed this sesi n on behalf of Mason County Public Health and determineAta��l'f`_`l•:,, compliance with state and local on-sere n �6 ations: q !, 2 0 PO I Zoz 5 �'�'�;tiry �oZS Environmental Health Specialist Date C��O,y;IFNj4j H�c CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: A_di ✓ The design is stamped"Approved"by Mason County Public Health.✓ The Onsite Sewage Permit has not expired, the Permit Expiration Date is: (77 airizo Z( ✓ 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. Revised:4/14/2025 PAGE 1 MASON COUNTY HEALTH DEPARTMENT ON-SITE SEWAGE DISPOSAL SYSTEM DESIGN SITE#: PARCEL#: 222212300080 DATE SUBMITTED: 07/10/25 LEGAULOT#: SUBMITTED BY: ADAM HUNTER APPLICANT: SCOTT JOHNSON ADDRESS: 8639 SALTY DR NW OLYMPIA,WA 98502 I.CALCULATIONS NUMBER OF BEDROOMS= 3 RESIDENTIAL GPD FLOW= 360 IF NON-RESIDENTIAL-GPD FLOW WILL BE AS FOLLOWS: GPD= APPLICATION RATE= 1 GPD/FT2 REDUCTION=LEAVE BLANK IF NOT usEo DRAINFIELD SIZING ABSORPTION AREA= 360 FT2 TRENCH LENGTH OR BED CONFIG.= 12FT X 30FT SAND UNDER BED II.WATERPROOF SEPTIC TANK COMPOSITION AND SIZE= 1200 GAL.PLASTIC NEW OR EXISTING= NEW III.DRAINFIELD CROSS SECTION DEPTH TO DRAINROCK BOTTOM= N/A-GRAVELLESS CHAMBERS ROCK DEPTH BELOW PIPE= N/A-GRAVELLESS CHAMBERS SEPARATION FROM TRENCH BOTTOM TO IMPERMEABLE MATERIAUSEASONAL SATURATION= >1'-6' FILL DEPTH= 1'-0' TRENCH WIDTH= 12'-0' IV.PUMP REQUIREMENT DOSING VOLUME IN GALLONS= 60 NUMBER OF DOSES PER DAY= 6 1"-* . 31! : • . • I f. — j V.PRESSURE CALCULATIONS &'I @ r) �s USING PIPE CLASS= 40 'l ORIFICE DIAMETER= 3/16 AUG 2 0 ?n2 J "SD,V COtiNrYflrVlROlr'I,fU DJA '`HEALTH 7/10/25 `�:�C f-. `Z i:air • t AMU..uovreK PAGE 2 LATERAL#1= SQUIRT HEIGHT(FT)= 3.00 (NOTE(1):ORIFICE DISCHARGE RATE_(11.79)X(ORIFICE DIAMETER)SO2 X SO ROOT OF(TOTAI.PRESSURE HEAD) ORIFICE DISCHARGE RATE= 0.71792 LATERAL LENGTH IN FEET= 30.00 ORIFICE SPACING= 2'0' DISTANCE FROM END CAP= 1'0• NUMBER OF HOLES= 15 LATERAL DISCHARGE RATE= 10.769 LATERAL#2= SQUIRT HEIGHT(FT)= 3.00 ORIFICE DISCHARGE RATE= 0.71792 LATERAL LENGTH IN FEET= 30.00 ORIFICE SPACING= 2'0• DISTANCE FROM END CAP= 1'0• NUMBER OF HOLES= 15 LATERAL DISCHARGE RATE= 10.769 LATERAL#3= SQUIRT HEIGHT(FT)= 3.00 ORIFICE DISCHARGE RATE= 0.71792 LATERAL LENGTH IN FEET= 30.00 ORIFICE SPACING= 2'0' DISTANCER FROM END CAP= 115 A r��t `0 NUMBER OF HOLES= `��J a LATERAL DISCHARGE RATE= 10.769 a = fp LATERAL#4= (� SQUIRT HEIGHT(FT)= 3.00 AUG 2 O 2025 ORIFICE DISCHARGE RATE_ 0 LATERAL LENGTH IN FEET= 30.002 ��!ASON CONNTY ENv ORIFICE SPACING= �,5: p j�1titi,C TAL HEAL T DISTANCE FROM END CAP= NUMBER OF HOLES= 15 LATERAL DISCHARGE RATE= 10.769 LENGTH DIAMETER FLOW FRICTION LOSS SECTION (FT) (IN) (GPM) (FT) AB 15.00 2.00 43.075 0.456 BC 1.50 2.00 21.538 0.013 CD 3.00 2.00 10.769 0.007 DE 30.00 1.25 10.769 0.502 TOTAL= 0.978 "TOTAL HEAD LOSS " 1)FRICTION LOSS THROUGH SYSTEM= 0.978 2)ELEVATION DIFFERENCE = 3.800 3)RESIDUAL = 3.000 7/10/25 TOTAL= 7.778 <. ADM.IJ INVTER .114 MYERS ME3 Capacity liters per minute 0 50 100 150 200 250 �oI i i I I I ---12 • 1 — -1 —� -- — . y� I — 10 30 — '4 [ ,_14 CU - -- o E 20 e —G V/ s 4'F i b sib• I aJ l;, —F — - —;.—.._. tip .� 1 —4 0 10 I i l ' 0 10 20 30 40 50 60 70 Capacity gallons per minute AUG 2 0 2025. r,-Aso,r oowyl-yaV1R OA.,41C-,/rill�,., n1A 7/10/25 ......:314.ri...-::-.':....:„ t AD.I/JJ IIUYICN .•I'i'I7.`1:ti1V?:7:9i'-',"'