HomeMy WebLinkAboutSWG2025-00096 - SWG Application / Design - 3/25/2025 MASON COUNTY 415NBTHELTON: , 0427-97 ,ENT 400
SHELTON:360-2759 70,EXT 400
BELFAIR:3fi0.275-44fi7,E%T 400
Public Health & Human Services ELMA 360-482-5269,EXT 400
FAX:360-427-7787
On-Site Sewage System Permit: SWG2025-00096
APPLICANT CLAIR JUSTIN D Phone: 253-225-6915
Address: 751 E MASON BENSON RD GRAPEVIEW,WA 98546
OWNER CLAIR JUSTIN0 Phone: 253-225-6915
Address: 751 E MASON BENSON RD GRAPEVIEW,WA 98546
SEPTIC DESIGNER BOB PAYSSE' Phone: 360-507-1498
Address: 3083 E Mason Benson Road GRAPEVIEW, WA 98546
SEPTIC INSTALLER TBD Phone:
Address: 123 XXX XX, XX.00000
Site Address: 751 E Mason Benson Rd
Primary Parcel Number: 221103290023
Permit Description: New ADU -2BR Gravity
Permit Submitted Date: 03125/2025
Permit Issued Date: 04109/2025
Issued By: Jeff Wilmoth
Current Permit Fees Paid: $555.00 cadameea fees may be required upon installation ofsyssim
Permit Expiration Date: 04/07/2028 Intel on dale of Inspapdonl
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 ofsystem 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/environmentallonsite/oss-inspections qu"t.php or call:
360-427-9670, extension 400.
OFFICIAL USE ONLY
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DIRECTIONS TO SITE AND SITE CONDITIONS:(a.k L H)
N HWY 3, LEFT ON MASON BENSON RD. CONTINUE TO SITE ADDRESS ON LEFT.
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S SIGNATURE Z D7ATj/E� APPUGTKKi EXPIRATION DATE APPL NAPPROVEWISSUEO BY U. DATE
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DESIGN FORM—PAGE ONE Assessor's Parcel Number: 2 2 1 1 0 — 3 2 — 9 0 0 2 3
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
v 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.:Vaximum paper size: 11'X 17"
PARCEL IDENTIFICATION
Permit Number: SWG 202.g- (2L,�/ Designer's Name: ROBERT H.PAYSSE
Applicant's Name: JUSTIN CLAIR Designer's Phone Number: 360426-1803
Mailing Address: 751 E MASON BENSON RD Designer's Address: 3083 E MASON BENSON RD
GRAPEVIEW WA 98546 GRAPEVIEW WA 98W
city State zip city State Zip
Treatment Device
❑Glendon Biofiltcr ❑Send Filter ❑Mound ❑Sand Lined Drainfield ❑Recirculating Filter,Type:
❑Aerobic Unit Make/Model ❑Disinfection Unit Make/Model Other:
Drainfield Type
EtGravity ❑Pressure RrTmnch ❑Bed ❑Sub Surface Drip
Septic Tank/Drainfield Specifications Latenis
Number of Bedrooms TWO Schedule/Class 2729 PERF
Daily Flow:Operating Capacity 180 go Length 25 ft
Daily Flow:Design Flow 240 gpd Diameter 4 in
Septic Tank Capacity(working) 1200 gal Number 4
Receiving Soil Type(1-6) 3 Separation 10 ft
Receiving Soil Appl.Rate 0.8 gpd/ft' Orifices
Required Primary Area 300 f1' Total Number of Orifices
Designed Primary Area 300 ft, Diameter - in
Designed Reserve Area 300 ftt Spacing - in
Trench/Bed Width 3 ft Q O v Manifold
TrenchBed Length 100 P S edule/21�»s 3034
Elevation Measurements AEp vS 30 ft
Original Drainfield Area Slope 0 OiamettlR0Nk1EMA� 4 in
New Slope,If Altered 0 MBf00N NPmfic , ifold configuration used? I(Yes O No
Depth of Excavation UPslopc 28 in Transport Pipe
from Original Grade Down slope 28 in Schedule/Class 3034
Designed Vertical Separation 36 in Length <25 ft
Gmvclless Chambers Required? ❑Yes 16 No 0 Optional Diameter 4 in
Pump Required? ❑Yes Of No Dosing and Pump Chamber
Pump/Siphon Specifications Number ofdoses/day
Diff.in Elevation Between Pump&Uppermost Orifice ft Dose quantity - gal
Drainfield Squirt Height/Selected Residual(head) =ft Chamber Capacity(flood) - gal
Uppermost Orifice 0 Higher 0 Lower than Pump Shutoff Pump controls:Please check those required.
Capacity®Total Pressure Head - gpm OTimcr DElapse Meter ❑Event Counter
Calculated Total Pressure Head - ft I If Timer: Pump on - ,Pump off -
Comments
DESIGN FORM—PAGE TWO Assessor's Parcel Number:2 2 1 1 0 — 3 2 -- 9 0 0 2 3
Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
A Test hole locations IZ Drainfield orientation and layout Reference depth from original grade:
66 Soil logs 19 Trench/bed dimensions and Ed Septic tank
61 Property lines critical distances within layout EX Grainfield cover
14 Existing and proposed wells Rf D-BoxNalve box locations Reference depth from original grade
within 100 R of property Ed Septic tank/pump chamber and restrictive strata:
19 Measurements to cuts,banks,and locations 0 Laterals,trench/bed,top and
surface water and critical areas 19 Observation port location bottom
0 Location and orientation of 59 Clean-out location ❑ Curtain drain collector
curtain drain and all absorption 56 Manifold placement ❑ Sand augmentation
components 19 Orifice placement Other cross-section detail:
9 Location and dimension of Rf Lateral placement with distance Ed Observation ports/clean-outs
primary system and reserve area to edge of bed Other Information
91 Buildings R1 Audible/visual alarm referenced Yes No
Ib Direction of slope indicator Rf Scale of drawin sho n scale d ❑Design staked out
A Waterlines Pb� e O �� ❑ [i f Recorded Notices attached
R1 Roads,easements,driveways, P/ n ❑ 66 Waiver(s)attached
parking APR U`y 7Q25 ❑ [9 Pump curve attached
R1 North arrow and scale drawing ❑ [if Evaluation of failure
shown on scale bar MA N COUNTY ENVIRONMENTAL hEAJT Non-residential justification
JBW ❑ Rf Waste strength
❑ 12f Flow
DESIGN APPROVAL
The undersigned designer must be notified staller apme of installation 56 Yes ❑ No
u 3�aY�Z�
attire o signer Date
The undersigned has reviewed th' design on behalf of Mason County Public Health and determined it to be in
compliance with state and loc o site regular r :
m mal Health Specialist Date
CAUTION: DESIGN PROrcVAL 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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SEPIIC DESIGNS ADDRESS: 751 MASON BENSON RD
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Instillation &System Notes
1. Installer must contact designer for final inspection of the installation prior to cover. All components,including tanks,lids,
transport line,drainfield,and water lines must be open for inspection. A$350,00 fee will be charged for time involved with the
Inspection of the installation and creation of the record drawing. The designer reserves the right to charge additional fees if
multiple visits are needed due to installation errors or inaccessible components.
2.This septic design must be installed by a certified installer with the local health department. All components shall be installed
according to state,county,and manufacturer requirements. For Homeowner Installs,the owner must get approval from the
designer and local health department prior to attempting installation.
3.Designer is not a surveyor. Installer must familiarize themselves with property line locations prior to installation. Any
confusion or conflicts with line locations should be reported to the property owner. A licensed surveyor may be necessary prior
to installation to confirm all line locations. Any discrepancies found must be reported to the designer immediately.
4. Drainfield area may only be cleared by a licensed installer familiar with sensitive drainfield area preservation. The builder,lot
developer,or property owner shall not clear the drainfield area. Any clearing required for drainfield installation shall not
remove or disturb any top soil in Primary and Reserve areas. Removal or disturbance to drainfield soils could render design
void.
S.The property owner and installer are responsible for locating all underground utilities(ex.water,gas,electric)prior to
installation. Any utility locations shown within design drawings are likely approximate and may not be exact.
6.All proposed tanks must be installed on original soils or compacted gravels. Extend all tank connection lines out onto original
soil to avoid settling issues. Risen and lids must be brought to finished grade and left accessible for future operations and
maintenance. Component manufacturers(ex.ATtI,Glendon,)may have other requirements not listed within this design.
7.All electrical wiring shall be done by a licensed electrician or homeowner(if allowed)and must be permitted through tabor
and Industries. Designer not responsible for electrical permitting or other electrical specific code requirements.
8.The proposed septic system should be installed in dry weather conditions. Any failed attempts at installation during wet
weather conditions may render this design void.
9. Maintain 10N to waterlines with all septic components. If less than 10ft is required,sleeving in sch.40 pvc is required. If
sewage transport lines and waterlines must cross,waterline must be 18"above sewage line with one of the lines sleeved in sch.
40 pvc loft in each direction of crossing.
10.This design may include waiver applications with specific mitigation measures pertaining to installation,operation and
maintenance of the proposed components.
11.Stormwater runoff,footing drains,roof drains must be diverted away from any septic system components. No curtain,
foundation,perimeter drains shall be installed 30ft downslope and 1Df:upslope of drainfield areas.
12.This design Is site specific and Intended to meet state and county requirements that are related to the system components
being proposed. Any placement of proposed buildings,proposed wells or other non-related items on these drawings mayor
may not meet other requirements.
13.All onsite septic systems require regular maintenance to verify satisfactory operation. The system owner/operator is
responsible for the continuous operation and maintenance of the system per WAC 246-272A. For operation and maintenance
information,refer to Mason County Public Health Homeowner's Manual,which should be received after installation approval.
14.System owner should be cautious of landscaping around septic compon y�o�ti v ,r
can cause premature failure of the drainfield area. In addition,bushes and ou bRep d,
away from lids and other septic maintenance points. APR U
15. may made at time of installation Changes impact designer calculatio LTr
B Y P act � OryME�T
compliance w/county and state requirements. Contact designer prior to in y B W
proposed variations from design. Changes may result in additional fees and permitting.
IGG �G � °t.�PIONEER DWC ILSTIN 4nL
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SEPTIC DESIGNS ADDRESS: 751 MASON BTEON RD I ;: `<< sr g . .:.
3083 E.MASON BDWN RD. GRAPEVIEW,WA 98546 DESIGNER: R.COULT H.PAYSSE EXPIRES
OFFICE-360426-1803 FAX-360-427-2353 SHEET: NOTES SCALE NA