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HomeMy WebLinkAboutSWG2022-00578 - SWG Application / Design - 11/16/2022 A MASON COUNTY 415 N 6TH STREET, 0-427 967 , 984400 00 SHELTON: SHELTON, EXT, 584 °I; v 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: SWG2022-00578 APPLICANT IVERSON DAVID AARON & DARLENA Phone: MARIE Address: 230 BOWE DR MONTESANO, WA 98563 OWNER IVERSON DAVID AARON & DARLENA Phone: MARIE Address: 230 BOWE DR MONTESANO, WA 98563 SEPTIC DESIGNER KEVIN HUGHES-septic designer Phone: 253-256-5486 Address: 4015 104th Ave SW OLYMPIA, WA 98512 Site Address: 11 N Varden Way Primary Parcel Number: 422165300018 Permit Description: New 2bd ATU to Oscar II Permit Submitted Date: 11/16/2022 Permit Issued Date: 01/27/2023 Issued By: Rhonda Thompson Current Permit Fees Paid: $740.00 (additional fees may be required upon installation of system). Permit Expiration Date: 12/15/2025 (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 DATE RECEIVED: MASON COUNTY � "�4 C v AMOU RECEIVE v m COMMUNITY SERVICES , t� Public Health(Community Health/Environmental Health) 360 a27-9670.et Sh or n,WA 9 4467,ext.400 r t A //� Ir O 415 N.6th Street•Shelton.WA 98584 J V\11/1`�J Z U) ON-SITE SEWAGE SYSTEM APPLICATION > > m n APPLICANT PHONE mr D�vt'c( ve,^ G,f1 �60 y 70 -�Z2S MAILING ADDRESS-STREET,CITY.STATE,ZIP CODE 230 Bokie Dr /"to4'4-so 1() / i,,,�%1 ?8,S6 171 co 70 SITE ADDRESS-STREET,CITY,ZIP CODE NAME OF DESIGNER PHONE I P NAME OF INSTALLER PHONE 0 CI) I PERMIT TYPE(select one) — DRINKING WATER SOURCE 5 K1 RESIDENTIAL OSS 5l COMMUNITY OSS II I COMMERCIAL OSS 5 PRIVATE INDIVIDUAL WELL 6 PRIVATE TWO-PARTY WELL Z I PUBLIC WATER SYSTEM t TYPE OF WORK(select one) I V KNEW CONSTRUCTION!UPGRADES 5 ❑REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) TABLE IX REPAIR CI SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE W I W SUBMITTALS r DESIGN FORM(REQUIRED) SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE 0 WAIVERS)(IF APPLICABLE) 2. /Opoo =JVI- 0 DIRECTIONS TO SITE AND SITE CONDITIONS (ex locked gate) I a o l e-- 62) SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I OFFICIAL USE ONLY BELOWTHIS LINE UPGRADE I FAILURE SOURCE(for reporting purposes) 0 VOLUNTARY 0 MAINTENANCE/PUMPING 0 BUILDING PERMIT ❑HOME SALE ❑COMPLAINT 0 OTHER: COMMENTS/CONDITIONS INSPECTOR SOIL LOGS 0 -‘L 6y_— � MCEUd NOV 16 2022 _ f`\ -z �'� J By RECORD DRAWING AND INSTALLATION REPORT SOIL CODES: REQUIRED FOR FINAL APPROVAL. V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS INSPECTOR SIGNATURE DATE APPLICATION EXPIRATION DATE APPLICATION APPROVED/ISSUED BY DATE \ ke4M \2\, ZZ \2 (t"c(Z I 1 (t—/ it Z3 THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE REVISED 12l7/2015 1 DESIGN FORM—PAGE ONE Assessor's Parcel Number: 4 2 2 1 6 — 5 3 — 0 0 0 1 8 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. "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. .tfarimum paper si:e: I I"X I-" PARCEL IDENTIFICATION Permit Number: SWG_ZO_ZZ D 0.5"—iti> Designer's Name: Kevin Hughes Applicant's Name: David Iverson Designer's Phone Number: 253-256-5486 Mailing Address: 230 Bowe Dr Designer's Address: 4015 104th Ave SW Montesano WA 98563 Olympia WA 98512 Ci , State Zi. Cit State Zi. 13.4 d:. _ ._is , „_�_: . ;,i .ic. .CVV±a.a ..":ft i u._.__. ... _ ..__. .. Treatment Device 0 Glendon Bioliltcr 0 Sand Filter 0 Mound 0 Sand Lined l)raintield It�Recirculating Filter,Type:Oscar II 1 CtfAerobic Unit Make/Model BNR-500 0 Disinfection Unit Make/Model Other: Drainfield Type ❑Gravity 21 Pressure lif Trench 0 Bed 0 Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 2 Schedule/Class Oscar II Daily Flow:Operating Capacity 240 gpd Length ft Daily Flow: Design Flow 240 gpd Diameter in Septic Tank Capacity 1200 gal Number Receiving Soil Type 11-6) 4 Separation ft Receiving Soil Appl. Rate .6 gpd/ft2 Orifices Required Primary Area 400 ft2 Total Number of Orifices Designed Primary Area 413 ft2 Diameter in t Designed Reserve Area 413 ft2 Spacing in 1 "french/Bed Width 14 ft Manifold Trench/Bed Length 29.5 ft Schedule/Class Elevation Measurements Length ft Original Drainfield Area Slope 5 % Diameter in New Slope,If Altered n/a % Preferred manifold configuration used? 0 Yes 0 No Depth of Excavation Up-slope 0 in Transport Pipe from Original Grade Down_stope 0 in Schedule/Class Sch 40 Designed Vertical Separation 12 in Length 45 ft Gravelless Chambers Required? 0 Yes ili No 0 Optional Diameter 1 in Pump Required? lid Yes 0 No Dosing and Pump Chamber Pump/Siphon Specifications Number of doses/day Oscar II Difference in Elevation Between Pump Shutoff and I 1ppermost Dose quantity gal Orifice 6.5 ft Chamber Capacity 1000 gal Uppermost Orifice lif Higher 0 Lower than Pump Shutoff Pump controls: Please check those required. Capacity a Total Pressure Head 30 gpm T ltfElase Meter 17iEvent Counterimer p Calculated Total Pressure Head 50 ft If Timer: Pump on Oscar II ,Pump off Comments rr� .DESIGN FORM—PAGE TWO Assessor's Parcel Number:4 2 2 1 6 — 5 3 -- 0 0 0 1 8 Permit Number: SWG DESIGN CHECKLISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch Test hole locations 121Drainfield orientation and layout Reference depth from original grade: 0 Soil logs lid Trench/bed dimensions and RE Septic tank 0 Property lines critical distances within layout 121 Drainfield cover 6� D-Box/Valve box locations lid Existing and proposed wells Reference depth from original grade within 100 ft of property 0 Septic tank/pump chamber and restrictive strata: ❑ Measurements to cuts, banks,and locations l2f Laterals,trench/bed,top and surface water and critical areas 121 Observation port location bottom ❑ Location and orientation of 0 Clean-out location 0 Curtain drain collector curtain drain and all absorption It Manifold placement 0 Sand augmentation components Orifice placement Other cross-section detail: 0 Location and dimension of RE Lateral placement with distance RE Observation ports/clean-outs primary system and reserve area to edge of bed Other Information ill Buildings 0 Audible/visual alarm referenced Yes No el Direction of slope indicator RE Scale of drawing shown on scale 0 d Design staked out RE Waterlines bar 0 Recorded Notices attached 0 Roads.easements,driveways, 0 [tip Waiver(s)attached parking 0 RE Pump curve attached 0 North arrow and scale drawing 0 g Evaluation of failure shown on scale bar Non-residential justification ❑ 0 Waste strength ❑ 0 Flow DESIGN APPROVAL The undersigned designer must be notified by installer at time of installation 0 Yes RE No Signature of esigner 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 on-site regulations: Environmental Health ecialist Date CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved" by Mason County Public Health. ` Z' 5 /25 ✓ The Onsite Sewage Permit has not expired.the Permit Expiration Date is: ✓ 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: 12'7'2015 • SEPTIC DESIGN REPORT IVERSON RESIDENCE -ONSITE SEWAGE DISPOSAL SYSTEM- APPLICANT: SITE ADDRESS: David Iverson 11 Varden Way 230 Bowe Dr Hoodsport,WA 98548 Montesano,WA 98563 Parcel#: 42216-53-00018 360-580-2381 DESIGNER: Kevin Hughes, PE 4015 104th Ave SW Olympia,WA 98512 (253) 256-5486 �N ROY y(JG �J of w+sy,� y ,�. APPROVED TITVn Are cr o c� 2 7 JAN 2 4 2023 �,c��c4s T2.a MASON COUNTYJAN ENVIRONMENTAL2023 HEAL TH �{ ` SSiONA RET By DATE: January 9, 2023 "I certify this design meets all rules and regulations of Washington State Department of Health and Mason County Health Department." REPORT CONTENTS PROJECT SPECIFICATIONS AND CALCULATIONS Team Hughes Engineering January 2023 Iverson Septic Design PROJECT SPECIFICATIONS AND CALCULATIONS PROJECT DESCRIPTION This project includes the installation of a new 2 bedroom septic system utilizing a BNR500 septic tank, pump chamber with Oscar II Headworks and Drainfield Coils. PROJECT DETAILS: -NUMBER OF BEDROOMS 2 -SOIL TYPE 4 -APPLICATION RATE 0.6 -GALLONS PER DAY 240 -SYSTEM TYPE PRESSURE DISTRIBUTION -TREATMENT LEVEL B SEPTIC TANK: REQUIRED SIZE 1,200 GALLONS MIN. (BNR500) PUMP CHAMBER: WORKING VOLUME(100%DV) 240 GALLONS EMERGENCY VOLUME(75%DV) 180 GALLONS DEAD VOLUME(SUBMERGED PUMP) 370 GALLONS CAPACITY NEEDED 790 GALLONS MIN. REQUIRED SIZE 1,000 GALLONS MIN. OSCAR III DRAINFIELD PARAMETERS: -COIL TYPE&AMOUNT OS-50(5 COILS) -DEPTH TO ABSORPTION AREA 0 INCHES MAX.WITHIN NATIVE SOIL -MINIMUM SHOULDER LENGTH 28.0 FEET -MINIMUM BASAL LENGTH 29.5 FEET -MINIMUM BASAL WIDTH 14.0 FEET APPROVED -DESIGN BASAL AREA 413 SQUARE FEET -REQUIRED BASAL AREA 400 SQUARE FEET JAN 2 7 2023 -SAND UNDER COILS 6 INCHES MASON COUNTY ENVIRONMENTAL HEALTH -VERTICAL SEPERATION 12 INCHES MIN. RET OSCAR III PUMP CHECK: HEAD LOSS -SUPPLY LINE LENGTH 45 FEET 2.05 FEET -RETURN LINE LENGTH 45 FEET 2.05 FEET -PUMP ELEVATION 96.5 FEET -HIGHEST SYSTEM ELEVATION 103 FEET -ELEVATION DIFFERENCE 6.50 FEET -TOTAL HEAD LOSS IN SYSTEM 10.60 FEET VOLT TURBINE PUMP, MODEL LOT-30(ALLOWABLE HEAD LOSS) 50 FEET Total system head loss is less than 50 feet STANDARD PUMP IS SUFFICIENT FOR SYSTEM DESIGN mow 7 Team Hughes Engineering January 2023 Iverson Septic Design SYSTEM PARAMETERS PRESSURE CALCULATIONS Number of Laterals 4 Orifice Discharge Rate 0.59 gpm Lateral 1 Length 37 feet Number of Orifices Lateral 1 10 Lateral 2 Length 47 feet Number of Orifices Lateral 2 12 Lateral 3 Length 50 feet Number of Orifices Lateral 3 13 Lateral 4 Length feet Number of Orifices Lateral 4 Lateral 5 Length feet Number of Orifices Lateral 5 Lateral 6 Length feet Number of Orifices Lateral 6 Total Lateral Length 134 feet Total Discharge Rate 20.65 gpm Lateral Line Size 1.25 inches Pipe Class SCH.40 FRICTION LOSS Highest Lateral Elevation 102.50 feet Transport Line Loss 0.2 feet Feeder Pipe Loss 0.3 feet Orifice Size 3/16 inches Lateral Pipe Loss 0.6 feet Orifice Spacing 48 inches Fittings Loss (10%of Total) 0.1 feet Total Number of Orifices 35 Total Head Loss 1.2 feet Residual Head at Last Orifice 2 feet DYNAMIC HEAD Total Feeder Pipe Length 30 feet Residual Head at Last Orifice 2.0 feet Feeder Pipe Size 1.25 inches Elevation Difference 6.0 feet Pipe Class SCH.40 Friction Head Loss 1.2 feet Control Box Elevation 101.00 feet Total Dynamic Head 9.2 feet Transport Line Length 20 feet PUMP SIZING CRITERIA Transport Line Size 2 inches Total Discharge Rate 20.7 gpm Pipe Class Sch 40 Total Dynamic Head 9.2 feet Pump Elevation 96.50 feet Use Hydomatic SHEF-40 Pump Outlet Elevation 100.00 feet or approved equal Max System Elevation Head 6.00 feet (see Septic Drawings for pump specs) DRAIN DOWN CALCULATION (7x's RULE) Orifice Orientation 3 &9 o'clock Transport Line Volume to Drain 0 Feeder Pipe Volume to Drain 0 '4 p Lateral Pipe Volume to Drain 6.2 PRO VED Total Volume 6.2 MASONJAN 2? 2023 Dose Volume 60 COUNTyENob 9.68 times Drain Down Volume RET ENrAL HEALTH CO -I> to OmD U)m 73 Oncm 0 mOA �ZTm nDx N0 O OCX = C cn A w N • m �� U _I cnm 101 O HUH oG� Om Z mom _. 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Qs D D PK • G \ o / IT7z \ ¢ / 0 O y0 1 i• 0,, p \ i N(n mp m z � , O �P ♦ to \ 4 O�ti om.., v \ ly9� 8 O \ \ - D • r_ Designed By: KRH Scale: 1"=30' o ` Iverson Septic Design Drawn By KRH Original Date: 10/12/22 m TEAM HUGHES T. xnddmN�^ ° �„d �T,.�y I J Mason County,WA Checked By: KRH 3 d ENGINEERING o Applicant Sae Address )ct o 3 m a r m� *!i 1 1 Varden Way 1 1/9/23 Revised design Inc high water table 'o o =y o PF David Iverson y a m m 0 ,,, W 360-580-2381 Hoodsport,WA 98548 - ", o.; w �,�. ' 4015 104th Ave SW (253)256-5486 Parcel tt: 42216-53-00018 Olympia,WA 98512 kevin@teamhugheseng.com / / / ' n ° � „O� a � - / / 7j ° /^\T''O 0)/ \6,,, ., ' A N •/ \ �� 0 / , ////q / \f� * '\ p �' / <\ 02, i ' b. / �/ \ I'/ / q / CO / • ��.: ®) b. // 0 O`, :'` / O (`�J\ b. v • \ tl. �/ • m• ca q / • 1 10O 1** I NA N pt. ° / \ 0 lik J • . • • A sN ? \Dq / z .+' �/ o INKxio // m0. 0 'O p ')\'‘' 2 • 4 .%, N 0 33 Q mA CO / p A CO ,�50'/ N A N p i IN < a� /�d* a tiG / 40 N 86 /29)° .. i.i. 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KRH Scale: 1-=20' _ Cr O p \ Iverson Septic Design Drawn By: KRH Ongnal Date: 10/12/22 c_ ,3o 2 "�T4 ,, , TEAM H UGH ES Sc.' 2a3 cn m a r.. �l of • a Z N Mason County.WA cheticedBy. KRH d 3 r g N Io �`� *'- '� ENGINEERING Applicant: Site Address o N a r P \ 0 I 1/9/23 Revised design for high water table a o y H David Iverson t i Varden Way m m o . N c�- .^a CA) 360-580-2381 tioodsport,WA 98548 n m n u ''DER M' 4015 104th Ave SW (253)256-5486 Parcel#: 42216-53-00018 Olympia,WA 98512 kevin@teamhugheseng corn 4. • • • • `f _ .� I' w nl D Ea A 'iif!iitiri'Lt o• -I (t4j) ; f. y a zD�omCSmz m l �q d C4 73 ZL CI L0) ili j o mo m o0 C A lit 41 1 1 gs J J t >mOrvm m� - _.:- Li _- ms�.00� 3�= z n - _; Ii y O ,'I'p m T m Z �Y' T Z D � 11., �IF! II O� ��m d��„o �"I E � � t i R cm 5O i �r \ a€ �3 I 9 d �IIC.Ini, mo O m figlyi •" 0 Z e e -.-'I 14 0 t d �. # 1.) �x to n -1 - --- t 1 _J -1 A-1 I 4 .. zl , .. " m O A 2 .� ' 11 i' i ?,'�ri x <,......v.�1 � �I� D m m It ::. 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D �.l Z z D v 0 m D � _ o ° om ZW� m im Fl oo 1 t —1 2 m 9A3 c,-/m▪ .• 2 a M C m OC to D Z>m y C << z _ COfil mPy;m e p m V O �m n= m V0 • n = Z m ---IIT0 o Designed By KRH Scale: N.T.S. O - - rn o- a Iverson Septic Design Drawn By. KRH Onginel0ate: 1011222 n =ate ,, � ,ti :,rR-y TEAM HUGHES N Mason County.WA checked Br KRH a4tia s _c v 51; °s Q 1 ENGINEERING W - Applicant: Site Address: m c,o o N N R t" m� \It�i 1 19/23 Revised design for high water table -0 o ti o. 9 +. 4 11 Varden Way :c =-g F David Iverson � a, d w - ° e. CO360-580-2381 Hoodsport.WA 98548 °1 m 'a 'w /4 .' 4015 104th Ave SW (253)256-5486 Parcel# 42216-53-00018 J Olympia,WA 98512 kevin@teamhugheseng.com