HomeMy WebLinkAboutswg2025-00100 - SWG Application / Design - 3/27/2025 SHELT
® MASON COUNTY 415NBSHELTON: 60427-ON0,EXT 400
SHELTON:360.4Y7-B670,EXT 400
6ELFAIR:360-2754487.EXT 400
Public Health& Human Services ELMA:366462-528a,EXT 400
FM 380427-7787
On-Site Sewage System Permit: SWG2025-00100 C oqd
APPLICANT MATSEL MICHAEL F&TARA Phone: 206.909.1642
Address: 7201 26TH AVE NE SEATTLE,WA 98115
OWNER MATSEL MICHAEL F&TARA Phone: 206.909.1642
Address: 7201 26TH AVE NE SEATTLE,WA 98115
SEPTIC DESIGNER CINDY WAITE* Phone: 360-701-0205
Address: 80 E PICKERING LANE SHELTON,WA 98584
SEPTIC INSTALLER TAYLOR TONEY• Phone: 3604264221
Address: 2971 E PHILLIPS LAKE RD SHELTON,WA 98584
Site Address: 721 E Benson Loop Rd
Primary Parcel Number: 220215000013
Permit Description: New 5-bedroom pressure system
Pennit Submitted Date: 03/27/2025
Permit Issued Date: 04/28/2025
Issued By: Rhonda Thompson
Current Permit Fees Paid: $825.00 (e$,Wm,sI fees may be rewired up,m msteumb,msyvem).
Permit Expiration Date: 03/17/2028 (ceW em mle mleepwmom
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 DesignerlEnginser installatton approval prior to
backfill of system components.
6 Mason County Asbuilf 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.govlheaahlenvironmentallonsWmsanspection-request.php or call:
360427-9670,extension 400.
OFFICIAL USE ONLY
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MATSEL C/O B-LINE CONSTR N 360-426-4221 z
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7201 26TH AVE NE EATTLE WA 98115 z
SR E A W RESS-STREET,D TY.ZIP CODE
721 E BENSON LOOP RD p H SHELTON WA 98584 ^'
NAME OF DESIGNER PHONE I N
CINDY WAITE 'L� 360-701-0205
NAMEORINSTALLER PHONE O 'O
B-LINE CONSTRUCTION p 360 426 4221 3
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TYPE OF WORI((ea.M[imW Cr PUBLIC NMTER SYSTEM
ff NEWCONSTRUCTIONIUPGRADES REPAIR/REPLACEMENT OTHERDETAILS(NWYNNMAPIY) OTABLE IX REPAIR IN
SUSMITTA1_5 OSURFACINGSEWAGE CIMSTINGFAILURE 19SHORELINE
FdDESIGN FORM(REQUIRED) 9SEPTIC DESIGN(REQUIRED) BEDROOMS OSNE r0 I �
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DIRECTIONS TO SITE AND SITE CONDITIONS:(ft bcN A,Ml
GO OUT HIGHWAY 3, TURN RIGHT ONTO PICKERING RD, TURRN LEFT ONTO o
BENSON LOOP RD, GO TO THE FIRST 90 DEGREE RIGT, GO STRAIGHT ONTO r CDSCOTT DR, TURN RIGHT ONTO TO FIRST DRIVEWAY ON THE RIGHT.
SITE WSrBff MWCD FRWYAX ROADAND TEsrXOlEs MUSTBFMaDFD WRIN MST xMlMLYIERd. I I W
OFFICIAL USE ONLY BELOW THIS LINE
UPGRADE/FAILURE BOUNCE(W ARFNW Pryueq
OVOLUNTARY E]"NTENANCEPUMPING OBUILDINGPERMIT OHOMESALE OCOMPIAINT DOTHER:
INSPECTOR$GLLOC6 � C/JMMENTS/CONGTICNS
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BWLCODES. RECOROORAWNGANDINSDULPTIONREPORT
V-VERY G=GRAVELLY S=SAND L=LOAM Si-SILT C-CIAY E-EFTREMELY REROUTE REQUIREDFORFIWLLAFPROVAL.
INSPECTOR SIGN9TURE DATE AKLIGTION EX%MIICN DATE A➢RIGTIONAPFNOVEWISSUEDBY DATE
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1RHS FORM MAY BES ANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE RENSED12D4015
3 DESIGN FORM—PAGE ONE Assessor's Parcel Number: 2 2 0 2 1 — 5 0 — 0 0 0 1 3
A design will be reviewed when 3 conies of each of the following are submitted:
v 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 some my be scanned and available for public view on the Mus on County Web site.Maximum paper size: 11"X 17"
PARCELTDENTTFICATION
Permit Number: SWG 2CO� DOII�)U Designer's Name: CINDYWAITE
Applicant's Name: MATSEL C/O S-LINE CONST Designer's Phone Number: 360-701.0206
Mailing Address: 7201 28TH AVE NE Designer's Address: 80 E FICKERINTG LANE
SEATTLE WA 98115 SHELTON WA 985"
city State Zip city state Zip
DESIGN PARAMETERS
Treatment Device
0 Glendon Biodlter ❑ Sand Filter ❑ Mound ❑ Sand Lined Drainfield ❑Recirculating Filter,Type:
Cl Aerobic Unit Make/Model 0 Disinfection Unit MalasModel Other: _
Drelafield Type
0 Gravity 5i(Pressure fidTrench ❑ Bed ❑ Sub Surface Drip
Septic TatsWDrainfield Specifications Laterals
Number of Bedrooms S Schedule/Class SCHEDULE40
Daily Flow:Operating Capacity 450 gpd Len h - 56 ft
Daily Flow: Design Flow 600 gpd D . r 1.25 in
Septic Tank Capacity(working) 1500 gal mbe 6
r
Receiving Soil Type(I.5) 4 psse. 1sr ( 9 g
Receiving Soil Appl. Rate .6 ze)-.!
.°i.Jt��iY LV.7 Orifices
Required Primary Area 1000 'Iv .ua nfices 84
Designed Primary Area 1008 ee°tMITe. � 3/16 in
Designed Reserve Area 1000 nsED oE51GNER 60
in
Trench/Bed Width 3 ft ` "iN°s cans Manifold
rrench/Bed Length 336 ft Schedule/Class SCHEDULE 40
Elevation Measurements Length 1-2 ft
Original Drunfleld Area Slope <1 % Diameter 2 in
New Slope,If Altered a/ Preferred manifold configuration used? iYcs 0 No
Depth of Excavation Up-slope 8 in Transport Pipe
from Original Grade D,,,,.epc
in Schedule/Class SCHEDULE 40
Designed Vertical Separation 24 in Length 200 ft
Diameter 2 in
Pump Required? III Yes 0 No Dosing and Pump Chamber
Pump/Siphon Specifications Number ofdoses/day 6
Diff. in Elevation Between Pump&Uppermost Orifice 10 ft Dose quantity 75 gal
Drainfield Squirt Height/Selected Residual(head) 2 ft Chamber Capacity(flood) 1585 gal
Uppermost Orifice if Higher 0 Lower than Pump Shutoff Pump controls: Please check those required.
Capacity®Total Pressure Head 49.56 gpm inmer IidElapse Meter GYEvem Counter
Calculated Total Pressure Head 12216 R If Timer: Pump on ,Pump off
Comments
LATERALS WILL BE STAKED AFTER FINAL CLEARING, PUMP CONTROLS TO BE SET AT TIME OF INSTALLATION,GPD TO BE
SET AT 450,
DESIGN FORM—PAGE TWO Assessor's Parcel Number: 2 2 0 2. t _ 5 0 — 0 0 0 1 3
Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
ld Test hole locations 10 Drainfield orientation and layout Reference depth from original grade:
m Soil logs ld Trench/bed dimensions and ld Septic tank
m Property lines critical distances within layout 19 Dreinfield cover
0 Existing and proposed wells 66 D•Box/Valve box locations Reference depth from original
within 100 fit of property fi0 Sap[ie tanWpum chamber pgrade
'dx�! and restrictive strata:
a Measurements to cuts, banks,and locations rD 6✓< 617 y m Laterals,trenchPoed,to and
sprface water and critical areas 0 Observation port location bottom P
gAkocation and orientation of IZ Clean-cut location ❑ Curtain drain collector
curtain drain and all absorption gf Manifold placement ❑ Sand augmentation
components
91 Orifice placement Other cross-section detail:
m Location and dimension of primary system and reserve area Ed Lateral Observation Lateral placement with distance ports/clean-outs
to edge of bad
� Buildings Other Information
Ed alarm referenced Yes No
m Direction of slope indicator . �„a,�.
Gr1 Scale of drawing carshown on scale ❑ @l Design staked out
(a Waterlines bar ❑ ❑Recorded Notices attached
0 Roads,easements,driveways, ❑ ❑ Waiver(s)attached
parking ❑ ❑Pump curve attached
or North arrow and scale drawing ❑ ❑ Evaluation of failure
shown on scale bar Non-residential justification
❑ ❑ Waste strength
❑ ❑ Flow
DESIGN APPROVAL
The undersigned designer must be notifi d by ins Her at time of installation Id Yes ❑ No
" 3LV 2oza—
Signatu of Designer Date T
The undersigned has reviewed this design on behalf of Mason County Public Health and determined it to be in
compliance with stato and local o Hite 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: 3'17�?-�-[5r'
✓ Dminfield site conditions have not been altered to adversely affect conditions of design approval, ry
1 rl l
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 farm may be scanned and available for public view on the Mason County Web site.
lJpdamd Date: 12," 2015
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XS-Check Valves r44, To.., V o lv a &V uC
X4mFIow Control Yahea�'W Su vow t �o,r
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MASON COUNTY ENV]RON MENTAL HEALTH 3\\3
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ORIFICE SPACING 5
Lateral# Length Length Orifice # Distance from Distance from end Length#
# (Feet) (Inches) Spacing" Orifices feeder line of end of lateral
1 56 672 60 12 0.5 0.5 56
2 56 672 60 12 0.5 0.5 56
3 56 672 60 12 0.5 0.5 56
4 56 672 60 12 0.5 0.5 56
5 56 672 60 12 0.5 0.5 56
6 56 672 60 12 0.5 0.5 56
336 601 12 0.5 0.5 56
TRANSLENGTH 200 8
GPM y.1S%
K (P'SCHEDULEN 40),.::. - 284.5
FRICTION LOSS VIMPS7
Squirt F 2
Elevation difference 10
TDH 12.215546
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Installation Notes
Pressure Distribution System:
22021-50-00063 721 E Benson Loop Rd.
The prepared site plan is not a survey. It's the owner's responsibility to verify property lines,
utility lines (water, sewer, power, phone and gas) prior to installation.
1. Concrete tanks required
2. Gravel base drainfield required
3. Timer to be set at 270GPD
4. Keep wheeled vehicles off the drainfield area before, during and after installation.
Tracked equipment only
5. All ground, surface water and roof drains must be diverted away from the septic tanks
and drainfield. Ensure the final grade slopes away from these areas and water doesn't
collect on or around them. Use swales, berms, catch basin and tight lines, curtain drains,
etc. to divert all waters.
6. Curtain drains can be no closer than 10' upgradient and 30' down gradient of the
drainfield
7. Exposed restrictive layers, cuts, banks, etc. can be no closer than 50' downhill from the
drainfield.
8. Install access risers on the septic tanks, valve box and ends of laterals.
9. Make sure septic tank risers are epoxied or caulked to cast in riser rings on tank.
10. Lids must form a water and gas tight seal with the access risers.
11. Install effluent filter specified in this design at the septic tank outlet.
12. This system must be installed by a Thurston County Certified installer.
13. Deviation from this design without prior approval from the designer and Thurston County
Health Department will make this design null and void.
14. This design was sized per Washington Administrative CodeWAC246-272A-0230. The
operating capacity is based on 45 gallons per day per capita with two persons per
bedroom. The minimum design flow per bedroom per day is the operating capacity of
ninety gallons multiplied by 1.33, This results in a minimum design flow of one hundred
twenty gallons per day. This creates a surge factor of 33% but anticipated flow is ninety
gallons per bedroom per day.
15. Install laterals with contour of the ground.
16. Install trench bottoms level and always maintain a minimum of six inches into native
soil..
17. Install threaded clean outs at the ends of all laterals (caps must extend to within six
inches of finish grade and be in a valve box as shown on diagram.
18. Install audio/visual alarm.
19. Filter fabric required over drain rock prior to be I . If the drain rock extends above
the original grade. run the filter fabric at least the own the trench wall into original
grade.
APPROVE ® G
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APR 28 2025 a�
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LICENSED DESIGNGN
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MASON COUNTY ENVIRONMENTAL HEAL
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System Owner Responsibilities:
1. Operation and Maintenance is required by Washington State Department of Health and
Thurston County Health Department.
2. The septic tank and pump tank should be pumped every three to five years or as
needed.
3. System owners are responsible for having maintenance performed annually.
4. System owners are responsible for responding to septic issues in a timely manner.
5. System owners shall not at any time change or alter settings in the control box.
6. Keep the flow of sewage at or below the approved design operating capacity.
7. Keep waste strength at residential waste strength parameters.
8. Spread loads of laundry through the week.
9. Do not use excessive bleach or detergents with added whiteners.
10. Do not shower, do laundry and dishwasher at the same time
11. Antibiotics can kill or impair the biological process in the septic tank.
12. Leaky plumbing can hydraulic overload your on-site septic system.
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APPROVED
APR 2 8 2025
MASON COUNTY EN'ARONMEN'TAL HEALTH
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