HomeMy WebLinkAboutSWG2023-00050 - SWG Application / Design - 2/21/2023 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584
SHELTON:360-427-9670,EXT 400
L BELFAIR:360-275-4467,EXT 400
�'±_{ Public Health & Human Services ELMA:360-482-5269,EXT 400
FAX:360-427-7787
On-Site Sewage System Permit: SWG2023-00050
APPLICANT NORTHWEST LOGGING COMPANY LLC Phone: 253-722-4366
Address: 2522 N PROCTOR#15 TACOMA, WA 98406
OWNER NORTHWEST LOGGING COMPANY LLC Phone: 253-722-4366
Address: 2522 N PROCTOR#15 TACOMA, WA 98406
SEPTIC DESIGNER Jim Zimny -Advantage Perc & Design Phone: 360-516-7287
Address: 7178 WINDFLOWER PL NW SEABECK, WA 98380
Site Address: NE North Shore Rd
Primary Parcel Number: 323332300020
Permit Description: New SFR -3BR Pressure
Permit Submitted Date: 02/21/2023
Permit Issued Date: 03/20/2023
Issued By: Jeff Wilmoth
Current Permit Fees Paid: $525.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 03/07/2026 (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 Drain field 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/onsite/oss-inspection-request.php or call:
360-427-9670, extension 400.
OFFICIAL USE ONLY C•C-
OMEMASON COUNTY a I a- ' 1 J ,- c N
Al! COMMUNITY SERVICES '�"®
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Public Holds(Community Heealth Env1rorunental R N
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CLEAR FORM ON-SITE SEWAGE SYSTEM APPLICATION n D
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APPLICANT PHONE m
Northwest Logging Company 253-722-4366 Z
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MAILING ADDRESS-SI Httl,CITY,STATE,DP CODE 3
2522 N proctor# 15, Tacoma, Wa 98406 CO
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SITE ADDRESS-STREET,CITY,ZIP CODE
North Shore Rd, Belfair WA I(.,
NAME OF DESIGNER PHONE
Jim Zimny 360-516-72897 (-N1
NAME OF INSTALLER I4-IONE 0 I U v
DRINKING WATER SOURCE a I
PERMIT TYPE(sell a ny 5
iii RESIDENTIAL OSS fl COMMUNITY OSS fl COMMERCIAL OSS fl PRIVATE INDIVIDUAL WELL H PRIVATE TWO-PARTY WELL Z i.cis)
TYPE OF 1AORK(select one) PUBLIC WATER SYSTEM l
10 NEW CONSTRUCTION/UPGRADES I7 REPAIR/REPLACEMENT OTHER DETAILS(select el/that appy) 0 TABLE IX REPAIR I,Z§ )J
SUBMITTALS CISURFACING SEVWGE 0 EXISTING FAILURE 0 SHORELINE
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iii ►Z.
DESIGN FORM(REQUIRED) PI SEPTIC DESIGN(REQUIRED) BEDROOMS3 LOT r-1 C ci 'Ncres g .". W
l WAIVER(S)(IF APPLICABLE) >
DIRECTIONS TO SITE AND SITE CONDITIONS(ex laded gale) I��
From Belfair travel 3.5 miles on Northshore rd to Belfair Tahuya rd. Travel 7.4 miles and I
turn rt on Dewatto Rd. in 3.2 miles take left onto North Shore Rd. Travel .8 Miles to marked r
pink ribbons on left. ° I C
gate lock code is 1980. Follow rd through the gate to marked ribbons on Rt Side of I`J
driveway. (�
SITE MOST BE FLAGGEDFR M*I4D ROADANDTESTH/OLETSMUSTBEFLAGGEDNJW T7:STNOENUMBERS . I\�
• OFFICIAL USE ONLY BELOW THIS LINE
I UPGRADE/FAILURE SOURCE(for reporting purposes)
0 VOLUNTARY ❑MAINTENANCEJPUMPING 0 BUILDING PERMIT ❑HOME SALE OCO MPLAINT 0 OTHER:
INSPECTOR SOIL LOGS COMMENTS 1 CONDITIONS
0 IY t( 5 b
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0) 362 5
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RECORD DRAWING AND,NSTALLATION REPORT
SOIL CODES:
V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS REQUIRED FOR FINAL APPROVAL.
IAWGSINATURE DATE APPLICATION EXPIRATION DATE APPRO ISSUED BY DATE
kYLS) 3-7- •3 ") - �7- air j bI, \-- 3_g0„,3
MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY MIME REVISED 12fV2O1$
23
DESIGN FORM—PAGE ONE Assessor's Parcel Number. L- s - 5- - C G C)2 U
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. `1 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: II"X 17"
rr�� PARCEL IDENTIFICATION
Permit Number: S WG V� Cj Designer's Name: Jim Zimny
NO ��+��ST LOGGING LL 360-516-7287
Applicant's Name: Designer's Phone Number:
Mailing Address: 2522 N PROCTOR#15 Designer's Address: 7178 Windflower PI NW
TACOMA WA 98406 Seabeds WA 98380
CLEAR FORM
City Slate Zip City State Zip
DESIGN PARAMETERS
Treatment Device
❑Glendon Biofilter 0 Sand Filter ❑Mound 0 Sand Lined Drainfield 0 Recirculating Filter,Type:
❑Aerobic Unit Make/Model 0 Disinfection Unit Make/Model Other.
Drainfield Type
❑Gravity E1 Pressure lErTrench ❑ Bed 0 Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 3 Schedule/Class sch 40
Daily Flow:Operating Capacity 270 gpd Length 50 ft
Daily Flow:Design Flow 360 gpd Diameter 1 1/4 in
Septic Tank Capacity(working) 1200 gal Number 4
Receiving Soil Type(I-6) 4 Separation 5 ft
Receiving Soil Appl. Rate 0.6 gpd/ft2 Orifices
Required Primary Area 600 ft2 Total Number of Orifices 52
Designed Primary Area 600 ft2 Diameter 1/8 in
Designed Reserve Area 600 ft2 Spacing 48 in
Trench/Bed Width 3 ft _.4,-e m: Manifold
Trench/Bed Length 200 ft Sched a ' s sch 40
°? �` 2 's 2 ft
Elevation Measurements Len use
SIGNER
Original Drainfield Area Slope 1 % Diary:s,wr/7 :x 2 in
New Slope, If Altered 1 % Preferred manifold configuration used? IP'Yes 0 No
Depth of Excavation Up-slope 12 in Transport Pipe
from Original Grade Down_slope 12 in Schedule/Class sch 40
Designed Vertical Separation 24 in Length 50' ft
Gravelless Chambers Required? 0 Yes 0 No Er Optional Diameter 2 in
Pump Required? l0'Yes 0 No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day 6
Diff. in Elevation Between Pump&Uppermost Orifice 8 ft Dose quantity 45 gal
Drainfield Squirt Height/Selected Residual(head) 5 ft Chamber Capacity(flood) 1200 gal
Uppermost Orifice 0 Higher 0 Lower than Pump Shutoff Pump controls:Please check those required.
Capacity @ Total Pressure Head 23 gpm Er Timer EVE lapse Meter Event Counter
Calculated Total Pressure Head 15 ft D Virg/1 I ' 1°SOCs,Pump off 4 hrs
Comments
MAR 2 0 2023
MASON COUNTY ENVIRONMENTAL HEALTH
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DESIGN FORM-PAGE TWO Assessor's Parcel Numbe 2— j 3 -= z ( . -- c, ,,,
Permit Number SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
P1 Test hole locations Ef Drainfield orientation and layout Reference depth from original grade:
P1 Soil logs Lot Trench/bed dimensions and I ' Septic tank
Er Property lines critical distances within layout la Drainfield cover
Ef Existing and proposed wells !g ll-Box/Valve box locations Reference depth from original grade
within 100 ft of property E1 Septic tank/pump chamber and restrictive strata:
Er Measurements to cuts,banks, and locations g Laterals,trench bed,top and
surface water and critical areas E Observation port location bottom
g Location and orientation of Ef Clean-out location ❑ Curtain drain collector
curtain drain and all absorption E Manifold placement 0 Sand augmentation
components ip1 Orifice placement Other cross-section detail:
O Location and dimension of Lot Observation ports/clean-outs
primary system and reserve area °� Lateral placement with distance
to edge of bed Other Information
G3 Buildings Ef Audible/visual alarm referenced Yes No
El Direction of slope indicator Ig Scale of drawing shown on scale 0 0 Design staked out
O Waterlines bar , 0 0 Recorded Notices attached
Ef Roads,easements,driveways, ���� 0 0 Waiver(s)attached
parking `'' �.. la Pump curve attached
l North arrow and scale drawing .'' 1.0 0 0 Evaluation of failure
shown on scale bar 4.0
r. •'b Non-residential justification
o ' •r; ry `�;�' 0 ❑ Waste strength
LICE. Es` •ESICNER I 0 El Flow
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DESIGN APPROVAL
The undersigned designer must be notified b Iler at time of installation Ef Yes 0 No
Signature signer Date
The undersigned has reviewed this design on behalf of Mason County Public Health and determined it to be in
compliance with state and loc -site regulations:
�l& (A)kNA-N. —,2D—.2-3
m' ental Health Specialist Date
CAUTION: DESIGN AP OVAL 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: 2 - - .zcQ
✓ 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.
PPRovE
An Installation Fee is required.
This form may be scanned and available for v'ie� t t ® n Web site.
MA BOUNTY ENVIRONMENTAL HEALTH Updated Date: 12/7/2015
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Advantage Perc & Design
Timely•Reasonabte•3O Years of Local Experience
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Construction Notes for Pressure Distribution 3 Bedroom System:
Pressure Distribution w/graveless chambers(Rock and pipe may be substituted)
Install 4—50' Laterals of 1 1/4" sch 40 PVC pipe .
Install on 5'foot centers.
1/8" Orifices on 48" centers beginning 24"from the beginning of the lateral and oriented at 12 O'clock.
Install max 12"trench depth on low side of trench and maintain 24" of vertical separation
Install level and along contours.
Install in dry weather only.
Use 1200-Gallon septic and 1200 gallon pump tank.
See pump Chart for Pump Specs
Use Rhombus SJE Control Panel or equivalent w/audible and visual alarms for low and high water.
System designed for typical residential waste strength sewage only.
System designed for 360 Gallons Per Day
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Advantage Perc&design APDdesiRnsPicloud.com • (360) 516-7287
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Pump Selection for a Pressurized System-Single Family Residence Project
Parameters
Discharge AssemblySize 2.00 inches 150 2 iE, / i i i , i i ,, i ' 1
Transport Length 60 feet 1i�� t 1{ '
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Transport Pipe Class 40 �,T�I � i
Transport Line Size 2.00 inches S
Distributing Valve Model None I
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Max Elevation Lift 8 feet
Manifold Length 2 feet 125 t ;
Manifold Pipe Class 40 1` f l 1
Manifold Pipe Size 2.00 inches ' } ,
Number of Laterals per Cell 4
Lateral Length 50 feet I
Lateral Pipe Class 40 r •
Lateral Pipe Size 1.25 inches f ,
Orifice Size 1/8 inches % FF 1
Orifice Spacing 4 feet _ - -.--- ! fi ) I ' • '
Residual Head 5 feel S --- `- i - -' '
Flow Meter None inches O •
'Add-on'Friction Losses 0 feet
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Calculations o 75 I r } r I
IMinimum Flow Rate per Orifice 0.43 gpm 4f1
Number of Orifices per Zone 52 C 1
Total Flow Rate per Zone 22.5 gpm D 1! I i
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Number of Laterals per Zone 4 3 , .
%Flow Differential 1st/Last Orifice 0.8 % F 50 , r ' ,
Transport Velocity 22 fps
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Frictional Head Losses . - 4 i ' . -
Loss through Discharge 1.0 feet
Loss in Transport 0.5 feet I ,'ram
Loss through Valve 0.0 feet 25 1 1 1
Loss in Manifold 0.0 feet i ' , r
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Loss in Laterals 0.1 feet 1
Loss through Flowmeter 0.0 feet
'Add-on'Friction Losses 0.0 feet i }} —
Pipe Volumes 0 I 1 '
Vol of Transport Line 10.5 gals 0 5 10 15 20 25 30 35 40
Vol of Manifold 0.3 gals Net Discharge(gpm)
Vol of Laterals per Zone 15.5 gals
Total Volume 26.3 gals
Minimum Pump Requirements PumpData Legend
Design Flow Rate 22.5 gpm PED 2005 System Curve:—
Total Dynamic Head 14.7 feet 1/2HP,115V 10
Pump Curve:
111 Pump Optimal Range:..
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Tv. Design Point:
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