HomeMy WebLinkAboutDESIGNFORM PAGE - SWG Design - 12/10/2025 ( );- /°
DESIGN FORM—PAGE ONE Assessor's Parcel Number: 3 2 1 2 7 — 5 3 — 0 0 0 0 6
A design will be reviewed when 3 copies 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
'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: 11"A'17"
PARCEL IDENTIFICATION
Permit Number: SWG Designer's Name: JUSTIN RUSSELL
Applicant's Name: NORTHWEST EQUITY IN HOUSII Designer's Phone Number: 360-970-1233
Mailing Address: 4931 68TH AVE NE Designer's Address: 4931 68TH AVE NE
OLYMPIA WA 98516 OLYMPIA WA 98516
City State Zip City State Zip
DESIGN PARAMETERS
Treatment Device
❑ Glendon Biofilter 0 Sand Filter 0 Mound 0 Sand Lined Drainfield 0 Recirculating Filter,Type:
❑ Aerobic Unit Make/Model ❑ Disinfection Unit Make/Model Other:
Drainfield Type
❑ Gravity RSPressure IVITrench 0 Bed 0 Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 3 Schedule/Class 40
Daily Flow:Operating Capacity 270 gpd Length 60, 70, 70 ft
Daily Flow: Design Flow 360 gpd Diameter 1.25 in
Septic Tank Capacity(working) 1200 gal Number 3
Receiving Soil Type(1-6) 4 ti FrayE 6 ft
Receiving Soil Appl. Rate 6 gpd/} Orifices
Required Primacy Area 600 ft2 DEC i'cVal ber o '/ es 66
Designed Primary Area 600 MASON(f(3UNJy peter r 1/8 in
Designed Reserve Area 600 ft2 EttuviHN MENTAL HEALTH 36 in
Trench/Bed Width 3 vlli
ft Manifold
Trench/Bed Length 200 ft Schedule/Class 40
Elevation Measurements Length 21 ft
Original Drainfield Area Slope 7 % Diameter 1.5 in
New Slope,If Altered % Preferred manifold configuration used? Pi Yes ❑No
Depth of Excavation Up-slope 10 in Transport Pipe
from Original Grade Down-slope 6 in Schedule/Class 40
Designed Vertical Separation 24 in Length 20 ft
Gravelless Chambers Required? 171 Yes 0 No 0 Optional Diameter 1.5 in
Pump Required? 13S Yes 0 No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day
Diff. in Elevation Between Pump&Uppermost Orifice 3•5 ft Dose quantity 45 gal
Drainfield Squirt Height/Selected Residual(head) 5 ft Chamber Capacity(flood) 1475 gal
Uppermost Orifice Ef Higher 0 Lower than Pump Shutoff Pump controls:Please check those required.
Capacity @ Total Pressure Head 27.72 gpm ❑Timer l 'Elapse Meter l'Event Counter
Calculated Total Pressure Head — 11.43 ft If Timer: Pump on ,Pump off
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