HomeMy WebLinkAboutSWG2025-00199 - SWG Application / Design - 5/28/2025 MASON COUNTY 415 N 6TH STREET,SHELTON, 98584
SHELTON:360-427-9679670,EXT 400
I. BELFAIR:360-275-4467,EXT 400
Public Health & Human Services ELMA:360-482-5269,EXT400
FAX:360-427-7787
On-Site Sewage System Permit: SWG2025-00199
APPLICANT 62 WEST LLC Phone:
Address: 15110 CASCADIAN WAY LYNNWOOD, WA 98087
OWNER 62 WEST LLC Phone:
Address: 15110 CASCADIAN WAY LYNNWOOD, WA 98087
SEPTIC DESIGNER CINDY WAITE* Phone: 360-701-0205
Address: 80 E PICKERING LANE SHELTON, WA 98584
SEPTIC INSTALLER B-LINE CONSTRUCTION Phone: 1.360.489.9169
Address: 2971 E PHILLIPS LAKE LOOP RD SHELTON, WA 98584
Site Address: 62 W Lake Nahwatzel Dr
Primary Parcel Number: 520085100010
Permit Description: expansion
Permit Submitted Date: 05/28/2025
Permit Issued Date: 09/09/2025
Issued By: Jeff Wilmoth
Current Permit Fees Paid: $555.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 06/16/2028 (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
A ,% MASON COUNTY DATE RECEIVED V/�/. 0
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AMOUNT RECEIVED, ! RECEIVED BY: ca � CO m
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Environmental Health 360-427-9670,ext.400 or 360-275-4467,ext.400 S W^(v' Z v25 - 60l 9`� a 0
415 N.6th Street -Shelton,/ton,WA 98584 O
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ON-SITE SEWAGE SYSTEM APPLICATION D70
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APPLICANT
PHONL m m
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62 WEST LLC C/O B LINE CO v---; TION 360-7426-4221 z
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MAILING ADDRESS-STREET,CITY,STATE,ZIP CODE _ g
16110 CASCADIAN WAY 1' LYNNWOOD WA 98087 m
SITE ADDRESS
AKE NAHcWATZEL RD a ODE �
62WL `�' SHELTON WA 98584 101
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NAME OF DESIGNER 'J <V / PHONE I N
CINDY WAITE �►ty� Q �� 360-701-0205
NAME OF INSTALLER `-�� z PHONE I CD
B-LINE CONSTRUCTION czz, ,, 360-426-4221 <
PERMITRM TYPE(select one) •aRINKING WATER SOURCE
M RESIDENTIAL OSS COMMUNITY OSS Irl COMMERCIAL OSS Mr PRIVATE INDIVIDUAL WELL ❑ PRIVATE TWO-PARTY WELL 2 03
TYPE OF WORK(select one) f.l PUBLIC WATER SYSTEM
liPE NEW CONSTRUCTION/UPGRADES nl REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) 0 TABLE X REPAIR I
SUBMITTALS 0 SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE CO
EDESIGN FORM(REQUIRED) rl SEPTIC DESIGN(REQUIRED) BEDROOMS ' LOT SIZE WAS LOT CREATED AFTER 411/2025'❑ YES p NO b I —
6WAIVER(S)(IF APPLICABLE)
5-6 40316% n
X
DIRECTIONS TO SITE AND SITE CONDITIONS(ex locked gate)
GO OUT SHELTON MATLOCK ROAD, TURN RIGHT ONTO LAKE NAWATZEL DR, TURN I o
RIGHT ON DRIVEWAY, SOIL LOGS ARE ON THE NORTH SIDE OF RESIDENCE. o I o
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CALL TAYLOR TONEY AT 360-489-9169 OR 360-426-4221 TO SET UP A TIME. HE I
WANTS TO MEET ON SITE TO GO OVER OPTIONS.
SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I Q
OFFICIAL USE ONLY BELOW THIS LINE UPGRADE/FAILURE SOURCE(tor reporting purposes)
❑VOLUNTARY ❑MAINTENANCE/PUMPING 0 BUILDING PERMIT ❑HOME SALE ❑COMPLAINT ❑OTHER:
INSPECTOR SOIL LOGS COMMENTS/CONDITIONS
i (.(4 1,5 �I V(S-r tf0(--"
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2- 25L) 1e ilv
3 0 -11 ,0I 4 004 ,v( t)Cr/3 -
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RECORD DRAWING AND INSTALLATION REPORT
SOIL CODES:
V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS REQUIRED FOR FINAL APPROVAL
I P CTOR SIGNATURE DATE APPLICATION EXPIRATION DATE •'-1 CAT N APPROVED/ISSUED BY DATE
THI F MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025
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, 7 PPROVE f
DESIGN FORM—PAGE ONE AsssEp' P}$r um , 2 j 010 8 , 5{ i F 0! 0 1 0 i 1 1 01
V V
A design will be reviewed when 3 conies of each,. ,�,F,OUkri e submitted.
`'Completed design form that has been signed and'da s. �� Y 1t'Arygitis) ]thcluding all applicable items on checklist.
''Scaled plot plan, including all applicable items on checklist. if tWsection 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"
PARCEL IDENTIFICATION
Permit Number: SWG 7�t: cc.' Designer's Name: CINDY WAITE
Applicant's Name: 62 WEST LLC C/O B-LINE Designer's Phone Number: 360-701-0205
Mailing Address: 15110 CASCADIAN WAY Designer's Address: 80 E PICKERING LANE
LYNNWOOD WA 98087 City State Zip SHELTON WA 98584
City State Zip Designer's Email cindyewaite@msn.com
DESIGN PARAMETERS
Treatment Device
❑Glendon 0 Sand Filter 0 Mound 0 Sand Lined Drainfield 0 Recirculating Filter Cl ATU BNR 1000 0 Other
Treatment Level(check all that apply): ❑ A Vig 0 C ❑ BLI 6 'BL2 tc B L 3 0 E ❑N
Drainfield Type
❑Gravity Ur Pressure iir Trench 0 Bed 0 Sub Sure Dt —=
Septic Tank/Drainfield Specifications Laterals C
bc
Number of Bedrooms 8 Schedule/Class SCHEDULE 40 i I
t
Daily Flow: Operating Capacity 720 gpd Length 50,48,50,30,25,30,28,30* ft cs1
Daily Flow: Design Flow 960 gpd Diameter 1.25 1 in ro
Septic Tank Capacity(working) 1500 TRASH,BNR 1000 gal Number 9 1 cr+ g
Receiving Soil Type(1-6) 3 Separation 9 j ft i'
Receiving Soil Appl. Rate 1 gpd/ft2 Orifices
Required Primary Area 960 ft2 Total Number of 0 • ices • 65
Designed Primary Area 960 ft2 Diameter 3/16 in
Designed Reserve Area 1200 ft2 Spacing 60 in
Trench/Bed Width 3 ft anifold
o xla,y.
Trench/Bed Length 320 ft Schedul �,`' • o'So. . SCHEDULE 40
a''
Elevation Measurements Length ,,� i 1 • 1-2 ft
Original Drainfield Area Slope <1 % Dia cinio5 3A1rrE 4.' 2 in
New Slope, If Altered % Pr _ at DESIGNER
I2iYes 0 No
Depth of Excavation Up-slope PG 4 NOTE 1 in ".',,,1 0:t0' Transport Pipe
from Original Grade Down-slope PG 4 NOTE 1 in Schedule/Class SCHEDULE 40
Designed Vertical Separation 12 in Length 45 ft
Gravel-based Drainfield Required? 12f Yes 0 No Diameter 2 in
Pump Required? 121 Yes 0 No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day e
1 Diff. in Elevation Between Pump&Uppermost Orifice 6 ft Dose quantity Io gal
Drainfield Squirt Height/Selected Residual(head) 2 ft Chamber Capacity(flood) 1800 gal `, ,i
Uppermost Orifice g Higher 0 Lower than Pump Shutoff Pump controls:Please check those required.
Capacity @ Total Pressure Head 38.35 gpm CY1 Timer lifElapse Meter 6' Event Counter
Calculated Total Pressure Head 9.10 ft If Timer: Pump on ,Pump off
Comments
PIPE CROSSING ROAD WAY TO BE CASED, BARRICADE TO BE INSTALLED AT THE EAST END
OF LATERALS TO O
PROHIBIT TRAFFIC,/ PUMP CONTROLS TO BE SET AT TIME OF INSTALLATION
PL(rri p CGN—Ate
It "lam' e- Vic:/ 4 720 6t'r.7 Revised: 6/11/2025
DESIGN FORM-PAGE TWO Assessor's Parcel Number: 5 2 OT0 8 5 1 0 0 0 110
'Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
itf Test hole locations ' Drainfield orientation and layout Reference depth from original grade:
ief Soil logs lif Trench/bed dimensions and le Septic tank
WI Property lines critical distances within layout t( Drainfield cover
1 Existing and proposed wells lif D-Box/Valve box locations Reference depth from original grade
within 100 ft of property it Septic tank/pump chamber and restrictive strata:
1 Measurements to cuts,banks, and locations
lli Laterals,trench/bed,top and
surface water and critical areas Observation port location bottom
{ ' Location and orientation of ' Clean-out location 0 Curtain drain collector
curtain drain and all absorption ft Manifold placement 0 Sand augmentation
components
10 Orifice placement Other cross-section detail:
lif Location and dimension of liti Lateral placement with distance V Observation ports/clean-outs
primary system and reserve area
to edge of bed Other Information
lif Buildings
lit Audible/visual alarm referenced Yes No
if Direction of slope indicator
gr Scale of drawing shown on scale lif 0 Design staked out
Vi Waterlines bar 0 0 Recorded Notices attached
171 Roads,easements,driveways, V va n n 1. ' ,,- 0 0 Waiver(s)attached
parking atrn f t cVnl t: wr 0 Pump curve attached
ei North arrow and scale drawing '-, 4 ❑ 0 Evaluation of failure
shown on scale bar SEP 0 8 2025 f „V Non-residential justification
MASON COUNTY ENVIRONMENTAL HEALTH ❑ ❑ Waste strength
JgW 0 ❑ Flow
DESIGN APPROVAL
The undersigned designer must be noCby ins alley at timet of installation Ci'es 0 No
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Signature of Designer 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:
iii
(/) L1 q—S•:2-5
E i ntal Health Specialist Date
CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION:
✓ The design is stamped"Approved" by Mason County Public Health. v � 0✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is: 5--'2"o - d
✓ Drainfield site conditions have not been altered to adversely affect conditions of design approval. I,
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. Revised:6/11/2025
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Lateral# Length Length Orifice # Distance from Distance from end Length#
# (Feet) (Inches) Spacing " Orifices feeder line of end of lateral
1 50 600 60 10 2.5 2.5 50
2 48 576 60 9 1.5 1.5 43
3 50 600 60 11 2.5 2.5 55
4 30 360 60 6 2.5 2.5 30
5 25 300 60 5 2.5 2.5 25
6 30 360 60 6 2.5 2.5 30
7 28 336 60 6 1.5 1.5 28
8 30 360 60 6 2 2 29
9 29 348 60 6 2.5 2.5 30
65 320
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TRANS LENGTH 45
GPM 38.35
K (2" SCHEDULEN 40) 284.5
FRICTION LOSS 1.1043996
Squirt 2
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LITERS PER MINUTE MASON COUNTY EN�IRO e' ,�"
NMENTgI' EAL iH
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APPROVE Et;
Installation Notes SEP 0 8 2025
MASON COUNTYENVIRpNMENTAL HEALTH
Pretreated Pressure Distribution System: ��� H
52008-51-00010 62 West Lake Nawatzel Dr
1. The prepared site plan is not a survey. It's the owner's respon 'ty to verify property
lines, utility lines (water, sewer, power, phone and gas) prior in Ilation.
2. Install system during dry weather with acceptable soil cond s :
3. 1500 gallon trash tank required ��FvAS 'flt. ice?
4. BNR 1000 System �``��,� "'i
5. 2700 gallon pump tank required � N _ \)
6. Concrete tanks required. 5 041
7. Gravel base drainfield required LICENSED DESIGNER
8. Case any lines in the driveway
9. Put barriers up on the east side of the laterals to protliflAVailice
10. Keep wheeled vehicles off the drainfield area before, during and after installation.
Tracked equipment only,
11. 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.
12. Curtain drains can be no closer than 10' upgradient and 30' down gradient of the
drainfield
13. Exposed restrictive layers, cuts, banks, etc. can be no closer than 50' downhill from
the drainfield.
14. Install access risers on the septic tanks, valve box and ends of laterals.
15. Make sure septic tank risers are epoxied or caulked to cast in riser rings on tank.
16. Lids must form a water and gas tight seal with the access risers
17. This system must be installed by a Mason County Certified installer or
18. Deviation from this design without prior approval from the designer and Mason
County Health Department will make this design null and void.
19. 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.
20. Install bed or trenches with contour of the ground
21. Install trench bottoms level and always maintain a minimum of six inches into native
soil
22. Install locator tape on top of all drainfield laterals.
23. 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.
24. Install audio/visual alarm
25. Filter fabric required over drain rock prior to backfilling. If the drain rock
extends above the original grade, run the filter fabric at least 2 inches down the
trench wall.
System Owner Responsibilities:
1. Operation and Maintenance is required by Washington State Department of Health and
Mason 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. System owner agrees to read and abide by information regarding their system in the
User Manual provided by Mason County Public Health.
7. Keep the flow of sewage at or below the approved design operating capacity.
8. Keep waste strength at residential waste strength parameters.
9. Spread loads of laundry through the week.
10. Do not use excessive bleach or detergents with added whiteners.
11. Do not shower, do laundry and dishwasher at the same time
12. Antibiotics can kill or impair the biological process in the septic tank.
13. Leaky plumbing can hydraulic overload your on-site septic system.
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