HomeMy WebLinkAboutSWG2023-00115 - SWG Application / Design - 3/28/2023 (2) MASON COUNTY 415 N 6TH STREET, SHELTON,WA 98584
SHELTON:360-427-9670,EXT 400
BELFAIR:360-275-4467,EXT 400
e Public Health & Human Services ELMA:360-482-5269,EXT 400
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FAX:360-427-7787
On-Site Sewage System Permit: SWG2023-00115
APPLICANT Mario Ruiz Phone:
Address: 7320 Munn Lake Dr SE OLYMPIA, WA 98501
OWNER DAHL Properties LLC Phone: 1.360.740.0345
Address: 261 Hamilton Rd CHEHALIS, WA 98532
SEPTIC DESIGNER Adam Hunter-Jim Hunter and Phone: 360-753-1226
Associates
Address: PO BOX 162 OLYMPIA, WA 98507
Site Address: 1610 E Mason Lake Rd
Primary Parcel Number: 321331090012
Permit Description: 4-bedroom BNR-500 system
Permit Submitted Date: 03/28/2023
Permit Issued Date: 03/30/2023
Issued By: David Anderson
Current Permit Fees Paid: $525.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 03/30/2026 (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 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: a7N_(_ 3 3-- -- 9 Q 1.1 i a.
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 Designer's Name: ADAM HUNTER
Applicant's Name: MARIO RUIZ Designer's Phone Number: 360-753-1226
Mailing Address: 7320 MUNN LAKE DR SE Designer's Address: PO BOX 162
OLYMPIA WA 98501 OLYMPIA WA 98507
City State Zip City State Zip
DESIGN PARAMETERS
Treatment Device
❑Glendon Biofilter 0 Sand Filter 0 Mound 0 Sand Lined Drainfield ❑ Recirculating Filter,Type:
'Aerobic Unit Make/Model BNR-500 0 Disinfection Unit Make/Model Other:
Drainfield Type
❑Gravity 0 Pressure 0 Trench 0 Bed 'Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 4 Schedule/Class DRIP TUBE
Daily Flow: Operating Capacity 360 gpd Length 675 ft
Daily Flow:Design Flow 480 gpd Diameter 0.5 in
Septic Tank Capacity 1200 gal Number 15
Receiving Soil Type(1-6) 4 Separation 1.5 ft
Receiving Soil Appl.Rate 0.6 gpd/ft2 Orifices
Required Primary Area 900 ft2 Total Number of Orifices 675
Designed Primary Area 945 ft2 Diameter DRIP EMITTERS in
Designed Reserve Area 1200 ft2 Spacing 12 in
Trench/Bed Width 21 ft Manifold
Trench/Bed Length 45 ft Schedule/Class 40
Elevation Measurements Length VARIES ft
Original Drainfield Area Slope 2 % Diameter 1.25 in
New Slope,If Altered N/A % Preferred manifold configuration used? geYes 0 No
Depth of Excavation Up-slope 12 in Transport Pipe
from Original Grade Down-slope 12 in Schedule/Class SCH40
Designed Vertical Separation 12 in Length 85 ft
Gravelless Chambers Required? 0 Yes it No 0 Optional Diameter 1.25 in
Pump Required? of Yes ❑No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day 12
Difference in Elevation Between Pump Shutoff and Uppermost Dose quantity 40 gal
Orifice ° ft Chamber Capacity 1200 gal
Uppermost Orifice leHigher 0 Lower than Pump Shutoff Pt t a Re� cE tequired.
Capacity @ Total Pressure Head 16.9 gpm lgI'imer ®'Elapse Meter 'Event Counter
Calculated Total Pressure Head 115.2 ft If Timer: Roo 2024y GAL ,Pump off 2 HRS
Comments
MASON COUNTY ENVIRONMENTAL HEALTH
DJA
DESIGN FORM—PAGE TWO Assessor's Parcel Number-3 021 33 -- 1 Ca -- i.s2 0 1
•
Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
lili Test hole locations la Drainfield orientation and layout Reference depth from original grade:
g Soil logs t Trench/bed dimensions and d Septic tank
g Property lines critical distances within layout ®' Drainfield cover
a Existing and proposed wells D-Box/Valve box locations Reference depth from original grade
within 100 ft of property la Septic tank/pump chamber and restrictive strata:
la Measurements to cuts,banks,and locations la' Laterals,trench/bed,top and
surface water and critical areas 9 Observation port location bottom
a Location and orientation of 0' Clean-out location 0 Curtain drain collector
curtain drain and all absorption Q( Manifold placement 0 Sand augmentation
components 0' Orifice placement Other cross-section detail:
0' Location and dimension of Lateral placement with distance Er Observation ports/clean-outs
primary system and reserve area to edge of bed
Lag Other Information
Buildings
Eti Audible/visual alarm referenced Yes No
Direction of slope indicator 0' Scale of drawing shown on scale 1 0 Design staked out
0' Waterlines bar 0 0 Recorded Notices attached
El Roads, easements,driveways, 0 0 Waiver(s)attached
parking a 0 Pump curve attached
0' North arrow and scale drawing 0 0 Evaluation of failure
shown on scale bar Non-residential justification
❑ 0 Waste strength
❑ ❑ Flow
DESIGN APPROVAL
The undersigned designer must not' ie b staller at time of installation llitYes 0 No
1 3/2/23
f Designer DaA P P R O V E D
The undersigned has reviewed this desi n on behalf of Mason County Public Health and determined it to be in
compliance with state and local on-s gulations: MAR 3 0 2023
.2 WAItkWc 11NTY ENVIRONMENTAL HEALTH
n ronmental Health Specialist Date DJA
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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