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HomeMy WebLinkAboutSWG2026-00281 - SWG Application / Design - 9/16/2026 EET,SHELTON,WA 98584 MASON COUNTY 415 6TH R SHELTON:360-427-9670,EXT 400 7,EXT 400 Public Health& Human Services BE ELMA:3LFAIR:604882-5269,EXT 400 FAX:360427-7787 On-Site Sewage System Permit: SWG2026-00281 APPLICANT Hunter,Adam Phone: 360 753-1226 Address: 2201 93rd Ave SW Olympia, WA 98512 OWNER JOHNSTON DANIEL J &BRITTNEY D Phone: 360-463-0615 Address: 21 E WRANGLER RIDGE RD UNION,WA 98592 SEPTIC DESIGNER ADAM HUNTER` Phone: 360-753-1226 Address: PO Box 162 OLYMPIA,WA 98507 Site Address: 21 E WRANGLER RIDGE RD Primary Parcel Number: 321053490010 Permit Description: New 2bd ATU to Oscar II(proposed ADU) Permit Submitted Date: 08(24/2026 Permit Issued Date: 09/16/2026 Issued By: Rhonda Thompson Current Permit Fees Paid: $570.00 (addmonal fees may be required upon ir,smnauon ofsysmm). Permit Expiration Date: 0911412029 (based on data of nspounm) Permit Conditions: I Approval of this septic permit does not approve the building location. Building location is subject to approval from all applicable departments and regulations. 2 Proposed development subject to zoning requirements and approval by the planning department staff per Mason County Title 17. 3 Permit must be installed by a Meson County Certified Installer unless prior written authorization from Mason County is obtained. 4 Dralnfield installation not to exceed designed upslope and downslope depth specified on design form. 5 Installer is responsible for obtaining Mason County installation approval prior to backfill of system components. 6 Installer is responsible for obtaining Septic Designer/Engineer installation approval prior to backfill of system components. 7 Mason County Asbuilt Form, Record Drawing, and installation fee must be submitted for final installation approval. 8 This planning review is for septic installation only. No review of the proposed ADU was done at this time.ADU permit is required. 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 MASON COUNTY DARRE6ND 08 /as ao (a N AMOUNT RECEMFR RF@AD aF. 10 m Public Health & Human Services 57o OtUu NC En4rpnmental Health 3604219670,ext 400 or 360-275-4467,ext.4 415 N.6th 5treet-Shelton,WA 985&4 SWG �( — ' ' I O A �� Z to ON-SITE SEWAGE SYSTEM APPLICATION D p 3 0 APPLIGNT PHONE fl Britney Johnston z NAMING ACORESS-STREET,GTY.STATE.ZIP CODE 21 E Wrangler Ridge Dr m Union WA 98592 IT SITE ADDRESS-STREET CT..aP CODE N 21 E Wrangler Ridge HL ArT Union 98592 NAME OF DESIGNER PHONE I LD ADAM HUNTER 3607531226 0 MME OF INSTALLER PHONE O TBD ( c-j M TBD G I o PERMIT TTE(--•one) DRINKING WATER SOURCE C � IRESIDENTIAL OSS IJ COMMUNITY OSS QCOMMERCNL QSS ❑ PRIVATE INDNIDUAL WELL O PRNAT£1WOfARTV WELL Z TYPE OF WOMK(xJsloe) O PUBLIC WATER SYSTEM �✓ NEW CONSTRUCTION I UPGRADES IlIREPAIR)REPLACEMENT OTHER DETNLS(aebGBOBW MP4 O TABLE X REPAIR SUBMITTALS O SURFACING SEWAGE O EXISTING FAILURE O SHORELINE a a DESIGN FORM(REQUIRED) ASEPTIC DESIGN(REQUIRED) BEDROOMS LOTSITE WAS LOTCREAIED AFTER al1R0P54 0 I ❑ WANER(S)(IFAPPLICABLE) 2 4.90 YES NO O xl OIRECTIp1S TO SITE AND SITE Lp1DffION5:(ex.b[ke0pM) MCCREAVY TO A LEFT ON WRANGLER RIDGE, STAY RIGHT AT FORK TO SITE AT THE END. r -I &TE MUST BE FLAGGED FROMWNROADAMO TESTMD1ES MUSTBE FLAGGED 147Th TESTHOIENIMIBERS. OFFICIAL USE ONLY BELOW THIS LINE UPGRADE IFALURE SOURCE fornpalkq pzpam) ❑VOLUNTARY ❑MAINTENANCEPUMPING❑ BUILDING PERMIT❑HOME SALE❑COMPLAINT ❑OTHER: INSPECTOR SOIL LOOS COMMENTSICdNDRIONS fl\ 2 -mss= oc? t7t hI BOIL OWES, RECORD DRAWVIGN O NSTMIATION REPORT V=VERY G=GRAVELLY B•SWD L•LOAM Si SIX C•CLAY E-EMREMELY R•ROOTS REWIRED FOR FNMNWROVAL INSPECTOR SIGNATURE DATE APPLICATGN EdPATICN DATE APPlICATIONA P1 OVE0165VED BY DATE i'rnqn 9h" `hIIK129 'c}v% gJI'(z6 THIS FORM MAY BE SCANNED AND AVALABLE FOR PUBLIC VIEW ON 11E MASON COUNTY WESSRE Revised:01109/2028 DESIGN FORM—PAGE ONE Assessor's Parcel Number: 321053490010 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. "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•'117' PARCEL IDENTIFICATION PermDesigner's Name: ADAM HUNTER Applicant' Na SWG nson TY�'�� Designer's Phone Number: 3607531226 Applicant's Name: Britney Johnston � Designer's Address: 2201 93RD AVE SW,STE A Union W Mailing Address: 1 io Wrangler dge Dr OLYMPIA WA 98512 WA 98592 City State Zip ADAM@HUNTERSEPTICDESIGN.COM City Slate Zi Designer's s Email DESIGN PARAMETERS Treatment Device JO ATU BNR500 ❑other OGlendon OSand Filter ©Mound OSand Lined Drainfield �ecnculating Filter Treatment Level(check all that apply): ❑A 0 B Itl C ❑BLI 19 BL2 46 BL3 WI E WI N Drainfield Type OSCAR 11 p Gravity ❑Pressure ❑Trench ❑Bed 0 Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 2 Schedule/Class DRIP Daily Flow: Operating Capacity 180 gpd Length 08100 ft Daily Flow:Design Flow 240 gpd Diameter 85 in Number 4 Septic Tank Capacity(working) 1000 gal Receiving Soil Type(1-6) 4 Separation 0.5 ft Receiving Soil Appl.Rate 0.6 gpd/ft Orifices Required Primary Area 400 ft2 Total Number of Orifices OS100 Designed Primary Area 432 ft2 Diameter DRIP in Designed Reserve Area 432 ft2 Spacing 12 in Trench/Bed Width 12 ft Manifold Trench/Bed Length 36 ft Schedule/Class 40 30 ft Elevation Measurements Length Original Drainfield Area Slope 1 % Diameter 1 in New Slope,If Altered 1 % Preferred manifold configuration used?®Yes ONo Depth of Excavation Up-slope 0 in Transport Pipe from Original Grade rbslope 0 in Schedule/Class 40 60 ft Designed Vertical Separation 18 in Length //��'' 1 Gravel-based Drainfield t,/Required? OYes rvo O Diameter Pump Required? Oa Yes ONo Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day 360 Diff.in Elevation Between Pump&Uppermost Orifice 3.40 ft Dose quantity 0.67GAL gal Drainfield Squirt Height/Selected Residual(head) OSCAft Chamber Capacity(flood) 1000 gal //��s,,"" Pump controls:Please check those required. Capacity Orificel/nire Head OLower than Pump Shutoff Capacity®Total Pressure Head 12 gpm Ff Timer t Elapse Meter B Event Counter purr off 4HRS Calculated Total Pressure Head 11.15 ft If 0 L P Comments SEP 16 2026 MASON COUNTY ENVIRONMENTAL HEALTH RET Revised:6/11/2025 Assessor's Parcel Numberj321053490010 DESIGN FORM—PAGE TWO Permit Number: SWG _) I DESIGN CHECKLISTS rExistingwid lan Scaled Layout Sketch Cross-Section Sketch locations U' Drainfield orientation and layout Reference depth from original grade: d Trench/bed dimensions and d septic tank lines critical distances within layout It Drainfield cover nd proposed wellsD-BoxNalve box locations Reference depth from original grade 0 ft of property SSeptic tank/pump chamber and restrictive strata: t2T Measurements to cuts,banks,and locations V Laterals,trench/bed,top and surface water and critical areas W Observation port location bottom Curtain drain collector f� Location and orientation labsorption ofrp el Mani Clean-out n it Sand augmentation curtain drain and all absorption � Manifold placement components U' Orifice placement Other cross-section detail: Location and dimension of Wr Observation ports/clean-Outs Lateral placement with distance primary system and reserve area to edge of bed Other Information 49 Buildings V Audible/visual alarm referenced Yes No V Direction of slope indicator V Scale of drawing shown on scale PI O Design staked out V Waterlines bar V ❑Recorded Notices attached ❑Waiver(s)attached Roads,easements,driveways, t' Elevation benchmark and relative U' ❑Pump curve attached parking elevations of system components 5 ❑Evaluation of failure Cr North arrow and scale drawing Non-residential justification shown on scale bar ❑ O Waste strength ❑ ❑ Flow aaffcctwnditiow ESIGN APPROVAL The undersigned designer must be notifibystaller at time of installation OYes Q No 8/24/26 Signatusigner Date The undersigned has reviewed this desighalf of Mason County Public Health and determined it to be in compliance with state and local on-site regulations: qII r Environmentalealth Sp ialist 1 �p Date CAUTION: DESIGN APPROVAL ID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved" n County Public Health. ✓ The Onsite Sewage Permit has not ethe Permit Expiration Date is: i u 1Drainfield site conditions have not been atered 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:6/11/2025 MASON COUNTY HEALTH DEPARTMENT ON-SITE SEWAGE DISPOSAL SYSTEM DESIGN 321053490010 Site* (county-assigned) Parcelp Date submitted 8/24/2026 Legal/Lot# LOT: 1 OF SP *2974 — Applicant eritney Johnston Submitted by Site 21 E Wrangler g Union, WA Mailing 21 E Wrangler Ridge Dr, Union, Ridge Dr, 98592 WA 98592 address s address I.Plow Calculations 2 Number of bedrooms APPROVED 240 gpd Application rate MASON COUNTY ENVIRONMENTAL HEALTH 432 ft2 (forced) Absorption area RET FI.Waterproof Septic Tank NUWATER BNR500 Composition&size 8/24126 III.Drainfield Details ry. - 6" Sand Depth � r*; IV.Pressure Calculations 40 Using pipe class Netafim dripline (per Oscar) Distribution supply)return—friction loss FLOW FRICTION Loss LENGTH DIAMETER (FT; (FT) (IN) (GPM) SECTION supply SB 3.RS 1.00 12 12 3.88 50 1.00 Return 7.75 Total = ** Total Head Lass ** 7.75 ft 1)Friction loss through system= 3.40 ft 2)Elevation difference= 11.15 ft Total= V.Check the Pump Capacity Pump(per Oscar) A.V. McDonald 30 GPM — X HP 50.00 ft Excess TDH rating Total head loss in system 11.15 ft Standard pump configuration sufficient? YES 8/24/26 ' .n; ;; M E APPROVED SEP 16 2026 MASON COUNTY ENVIRONMENTAL HEALTH RET N le T I \ p \ m I ° L — J 1 I — — N m — 00®000®000000000 b 11nn 1mn 1mn 1mn L \ 3 m x 0 . ° ° a o v y 0 ii N y y W yf y$� sy -v y pIn m in in 'per- N p C)) C) C) n N 0 \ p y 2 0 �' o i o o m o m 2 m f a D S o m m Op In 0o O D p N K p g K o p II L p Yn m p c mIn O P m Z 2 y D C m w m 4f 8 a 88G In N N m On \ In sy� movi 0 y m p m a� o5 one 0 D rr Z O ^yam 1 0 Cmi °zy row 'w'3 �Ei m0 �~ O m � Z $ o210 I"z cD Cj1 .YO n s o'm- mz m op b5 r � m o8m Dm nm m au °,�mc dm m . . . . 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