HomeMy WebLinkAboutSWG2024-00377 - SWG Application / Design - 9/5/2024 (2) MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584
SHELTON:360-427-9670,EXT 400
at :.
L BELFAIR:360-275-4467,EXT 400
Public Health & Human Services ELMA:360-482-5269,EXT400
FAX:360-427-7787
On-Site Sewage System Permit: SWG2024-00377
APPLICANT Campbell, Mark Phone: 360-808-1236
Address: 2531 Conger Ct NW Olympia, WA 98502
OWNER LEE ET AL CRAIG S Phone:
Address: KIRK S LEE MILL CREEK, WA 98012
SEPTIC DESIGNER Hunter, Adam Phone: 360 753-1226
Address: 2201 93rd Ave SW Olympia, WA 98512
Site Address: E Balmoral Way
Primary Parcel Number: 321225000322
Permit Description: Revision New SFR -2BR Oscar II
Permit Submitted Date: 09/05/2024
Permit Issued Date: 09/16/2024
Issued By: Jeff Wilmoth
Current Permit Fees Paid: $805.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 09/09/2027 (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 Drainfield 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.
DESIGN'FORM—PAGE ONE Assessor's Parcel Number: '3,--9 -aq a -- e5 U-- 0_() ' �
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
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"X 17"
PARCEL IDENTIFICATION
Permit Number: SWG ;6.2 V "N0377 Designer's Name: ADAM HUNTER
Applicant's Name: MARK CAMPBELL Designer's Phone Number: 360 753 1226
Mailing Address: 2531 CONGER CT NW Designer's Address: PO BOX 162
OLYMPIA WA 98502 OLYMPIA WA 98507
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:
0 Aerobic Unit Make/Model 0 Disinfection Unit Make/Model Other:
Drainfield Type OSCAR II DRAINFIELD(NO PRETREATMENT)
❑ Gravity 0 Pressure 0 Trench 0 Bed 0 Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 2 Schedule/Class OS-100
Daily Flow: Operating Capacity 180 gpd Length PER OSCAR ft
Daily Flow:Design Flow 240 gpd Diameter PER OSCAR in
Septic Tank Capacity 1500 gal Number 3
0 Receiving Soil Type(1-6) 4 Separation 0.5 ft
Receiving Soil Appl.Rate 0.6 gpd/ft2 Orifices
Required Primary Area 400 ft2 Total Number of Orifices PER OSCAR
Designed Primary Area 400 ft2 Diameter PER OSCAR in
Designed Reserve Area 400 ft2 Spacing PER OSCAR in
Trench/Bed Width 16 ft Manifold
Trench/Bed Length 25 ft Schedule/Class 40
Elevation Measurements Length 15 ft
Original Drainfield Area Slope 3 % Diameter 1 in
New Slope,If Altered 3 % Preferred manifold configuration used? EI'Ycs 0 No
Depth of Excavation Up-slope N/A in Transport Pipe
from Original Grade Down-slope NA in Schedule/Class 40 Etg-
j:
Designed Vertical Separation >24 in Length 65 ft
Gravelless Chambers Required? 0 Yes lci1No ❑Optional Diameter 1 in
Pump Required? E'Yes 0 No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day 360 1
Difference in Elevation Between Pump Shutoff and Uppermost Dose quantity 0.667 gal
Orifice 6.9 ft Chamber Capacity 1500 gal
Uppermost Orifice E 'Higher ❑ Lower than Pump Shutoff Pump controls: Please check those required.
Capacity @ Total Pressure Head 12 gpm 6 'Timer ❑'Elapse Meter 6 'Event Counter
Calculated Total Pressure Head 16.98 ft If T. : FPnPn S ,'S . ,, off 3MIN 38SEC
Comments
J U N 1 1 2025
MASON COUNTY ENVIRONMENTAL HEALTH
JBW
DESIGN FORM—PAGE TWO Assessor's Parcel Number:3.„,2_4 a a -- 70 -- c_p
• Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
12i Test hole locations 0 Drainfield orientation and layout Reference depth from original grade:
Soil logs Ef Trench/bed dimensions and Ea Septic tank
Elf Property lines critical distances within layout ®' Drainfield cover
El Existing and proposed wells D-Box/Valve box locations Reference depth from original grade
within 100 ft of property Ef Septic tank/pump chamber and restrictive strata:
a Measurements to cuts,banks, and locations 0 Laterals,trench/bed,top and
surface water and critical areas 6i Observation port location bottom
Ef Location and orientation of ' Clean-out location 0 Curtain drain collector
curtain drain and all absorption El Manifold placement 0 Sand augmentation
components Ea' Orifice placement Other cross-section detail:
Ef Location and dimension of Et Lateral placement with distance 9 Observation ports/clean-outs
primary system and reserve area to edge of bed
Ef Buildings Other Information
121 Audible/visual alarm referenced Yes No
E� Direction of slope indicator El' Scale of drawing shown on scale l� 0 Design staked out
Eg Waterlines 0 0 Recorded Notices attached
Eif Roads, easements,driveways, P P R 0 V E ❑ ❑ Waiver(s)attached
parking ❑ ❑Pump curve attached
f North arrow and scale drawing AJUN 1 1 2025 0 0 Evaluation of failure
shown on scale bar MASON COUNTY ENVIRONMENTAL HEALTH Non-residential justification
J B W 0 0 Waste strength
❑ ❑ Flow
DESIGN APPROVAL
The undersigned designer must b- '.;fled by installer at time of installation M'Yes 0 No
9/4/24
`'gn e of Designer Date
The undersigned has reviewed tTs design on behalf of Mason County Public Health and determined it to be in Q
compliance with state and local on-site regulations:
Environmental Health Specialist Date
CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION:
✓ The design is stamped"Approved"by Mason County Public Health.
✓ 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
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