HomeMy WebLinkAboutSWG2023-00276 - SWG Application / Design - 6/27/2023 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584
SHELTON:360-427-9670,EXT 400
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: SWG2023-00276
APPLICANT SUN ET UX JINGFU Phone:
Address: XIAOYAN LI SEATAC, WA 98198
OWNER SUN ET UX JINGFU Phone:
Address: XIAOYAN LI SEATAC, WA 98198
SEPTIC DESIGNER DALE TAHJA-Septic Designer Phone: 360-426-5940
Address: 2450 W DEEGAN ROAD WEST SHELTON, WA 98584
Site Address: N Seagull Way
Primary Parcel Number: 324121190062
Permit Description: New SFR -2BR Pressure w/class b waiver
Permit Submitted Date: 06/27/2023
Permit Issued Date: 08/16/2023
Issued By: Jeff Wilmoth
Current Permit Fees Paid: $780.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 07/17/2026 (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/onsite/oss-inspection-request.php or call:
360-427-9670, extension 400.
— OFFICIAL USE ONLY
DATE RECEIVED:MASON COUNTY - �- , LU) >
COMMUNITY SERVICES t O _ ' RECEI •
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— . Public Health(Community Health/EnvironmentalHealth) C
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ON-SITE SEWAGE SYSTEM APPLICATION
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APPLICANT PHONE r
Jingfu Sun (253) 335-0602 z
MAILING ADDRESS-STREET,CITY,STATE,ZIP CODE 3
21092 37th Ct. S Seatac WA 98198
SITE ADDRESS-STREET,CITY,ZIP CODE
N. Seagull Way Lilliwaup WA 98555 I (.''
NAME OF DESIGNER PHONE I N
Dale L. Tahja (360) 426-5940
NAME OF INSTALLER PHONE v
T.J. Goos (360) 490-0217
PERMIT TYPE(seiect one) DRINKING WATER SOURCE O
R
(�iRESIDENTIAL OSS 5 COMMUNITY OSS COMMERCIAL OSS E"'PRIVATE INDIVIDUAL WELL 51 PRIVATE TWO-PARTY WELL Z I N
7 PUBLIC WATER SYSTEM Seagull Way Water System
TYPE OF WORK(select one) t
b0.;NEW CONSTRUCTION/UPGRADES ff REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) 0 TABLE IX REPAIR I —I
SUBMITTALS 0 SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE I�
LX!',DESIGN FORM(REQUIRED) SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE
o
WAIVER 2 2.22 acres
S)(IF APPLICABLE) I
CD
DIRECTIONS TO SITE AND SITE CONDITIONS:(ex.locked gate)
North on Hwy 101, left onto Seagull Way, keep left at intersection, firs tlriveuita tot .e left.-"' I O
Il �� L. u\i {J o Io
131 JUN 27 2023LIU VI rn
SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. By -� 1 I N
OFFICIAL USE ONLY BELOW THIS LINE
UPGRADE I FAILURE SOURCE(for reporting purposes) M
❑VOLUNTARY 0 MAINTENANCE/PUMPING 0 BUILDING PERMIT ❑HOME SALE ['COMPLAINT ❑OTHER:
INSPECTOR SOIL LOGS COMMENTS/COND TI ��r�� �
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RECORD DRAWING AND INSTALLATION REP�� t
SOIL CODES:
V=V RY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS REQUIRED FOR FINAL APPROVAL.
CT R SIGNATURE DATE APPLICATION EXPIRATION DATE CATION APPROVED/ISSUED BY DATE
C\,1i rfr23 -7' ( 7-2(e t6PALLr'IM 6-(‘9-25
THI F Y BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE REVISED 12/7/2015
1
DESIGN FORM—PAGE ONE Assessor's Parcel Number: 3 2 4 1 2 — 1 1 — 9 0 0 6 2
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 IDENTIIPICATION
G 027 a Designer's Name: Dale Tahja
Permit Number: SWG_ ?o,23- 13n
Applicant's Name: din9fu Sun Designer's Phone Number: (360)426-5940
Mailing Address: 21092 37th Ct. S. Designer's Address: 2450 W Deegan Rd W
SeaTac WA 98198 Shelton WA 98584
City State Zip City State Zip
, -0E5IGNPARAMETERS
Treatment Device
❑ Glendon Biofilter ❑Sand Filter ❑Mound 0 Sand Lined Drainfield 0 Recirculating Filter,Type:
❑Aerobic Unit Make/Model ❑Disinfection Unit Make/Model Other: N/A
Drainfield Type
0 Gravity Se Pressure It 'Trench 0 Bed 0 Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 2 Schedule/Class Sch. 40
Daily Flow:Operating Capacity 180 gpd Length 34 ft
Daily Flow: Design Flow 270 gpd Diameter 1.25 in
Septic Tank Capacity(working) 1,250 gal Number 4
Receiving Soil Type(1-6) 4 Separation 6 - 13 ft
Receiving Soil Appl.Rate 0.60 gpolft2 Orifices
Required Primary Area 400 ft2 Total Number of Orifices 36
Designed Primary Area 400 ft2 Diameter 1/8 in
1 Designed Reserve Area 400 ft2 Spacing 48 in
Trench/Bed Width 3 ft Manifold
1 Trench/Bed Length 136 ft v E Sch. 40
Elevation Measurements kaiettas0
4 70 ft
Original Drainfield Area Slope 22 % am tt� 1 62023 7 1.25 in
New Slope,If Altered 20 % eferred m i#g}uatiotiused? 0 Yes Et No
,
Up-slope 18 In �',F+. N COUNTY ENv
Depth of Excavation JBW Transport Pipe
from Original Grade Down-slope 10 in Schedule/Class Sch. 40
Designed Vertical Separation 16 in Length 120 ft
Gravelless Chambers Required? 0 Yes 0 No giOptional Diameter 1.5 in
Pump Required? It Yes 0 No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day 1
Diff.in Elevation Between Pump&Uppermost Orifice 26 ft Dose quantity 180 gal
Drainfield Squirt Height/Selected Residual(head) 8 ft Chamber Capacity(flood) 1,000 gal
Uppermost Orifice 0 Higher EilLower than Pump Shutoff Pump controls:Please check those required.
Capacity @ Total Pressure Head 20 gpm 6ifTimer GicElapse Meter GtEvent Counter
Calculated"Total Pressure Head 13 ft If Timer: Pump on 9 min ,pump o f 23 hrs 51 min
Comments
DESIGN FORM—PAGE TWO Assessor's Parcel Number: 3 2 4 1 2 — 1 1 -- 9 0 0 6 2
Permit Number: SWG
DESIGN CHECKLISTS ,
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
61 Test hole locations iii1 Drainfield orientation and layout Reference depth from original grade:
ig Soil logs Eg Trench/bed dimensions and Eg Septic tank
Eg Property lines critical distances within layout lif Drainfield cover
lif Existing and proposed wells Eig D-Box/Valve box locations Reference depth from original grade
within 100 ft of property B( Septic tank/pump chamber and restrictive strata:
0 Measurements to cuts, banks,and locations
gi Laterals,trench/bed,top and
surface water and critical areas lit Observation port location bottom
lil Location and orientation of lid Clean-out location 0 Curtain drain collector
curtain drain and all absorption ft Manifold placement 0 Sand augmentation
components
6ti Orifice placement Other cross-section detail:
lg Location and dimension of Eg Lateral placement with distance 6d Observation ports/clean-outs
primary system and reserve area to edge of bed
g Other Information
Eg Buildings Qi Audible/visual alarm referenced Yes No
Eg Direction of slope indicator Eg Scale of drawing shown on scale lI 0 Design staked out
lg Waterlines 00
id Roads,easements, driveways, P !' C>� ❑ Waiver(s)attached
�} v
parking fh E 0 0 Recorded Notices attached
[ 1 0 Pump curve attached
North arrow and scale drawing QU�i , 6 2023 ❑ ❑ Evaluation of failure
shown on scale bar r Non-residential justification
SON COUNTY ENVIRONMENL HEALTH ❑ ❑ Flowte strength
JSW
DESIGN APPROVAL
rThe undersigned designer ust be notified ins 1 er at time of installation Ig Yes 0 No
—\\-\-:x„)-c ..
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. ,
Signature of Designer " Date illA► _` .
oter 'Xfo
The undersigned has reviewed this design on behalf of Mason County Public Health and determz•f". •• ;* i-
compliance with state and local onj regulations: �.!��t`ti Qa u�4�
.. pta 1 , i i';
! (��+ N� 4.. ,
"�G z3 INt (v.,::1
E 'iro ntal Health Specialist Dat-`‘ 'b !:4
CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CO�l ���i :'�,N,�� . '�A',:i,
✓ The design is stamped"Approved" by Mason County Public Health. W.f. ,
/ The Onsite Sewage Permit has not expired,the Permit Expiration Date is: ?—l7 `.. CP % o'
✓ Drainfield site conditions have not been altered to adversely affect conditions of design approval. V\,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.
Updated Date: 12/7/2015
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Media Gallery X
Liberty Pumps 280 - 1/2 HP Cast Iron Submersible Sump/Effluent Pump (Non-
Automatic)
Performance Curve: 280-Series
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APPROVE
0 pi AUG 1 6 2023
MASON COUNTY ENVIRONMENTAL HEALTH
JBW
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Installation/Maintenance
Pressure Distribution/Trench Systems
1. Install trench bottom level and in contour with the ground.
2. Install drainfield during dry weather and soil conditions.Any soil smearing must be
eliminated by hand raking any areas that get smeared.
3. Install audio/visual high-water alarm.
4. Install effluent filter in septic tank outlet or pump vault with 1/16 inch maximum
filtration mesh size.
5. Install check valve in pump outlet line to prevent back-flow into the pump chamber.
6. Install 1/8 inch orifices on 4ft. Centers. Install the orifices pointing straight down( 6:00
o' clock).
7. Divert all storm water run-off away from septic system components.
8. No curtain (french) drains allowed within 10ft. of the up-slope edge of the drainfield and
reserve area.
9. No curtain (french) drains allowed within 30ft. of the down-slope edge of the drainfield
and reserve area.
10.Have the septic tank and pump chamber pumped or inspected every 3 to 5 years.
11.Inspect and clean pump screen as needed.
12.Inspect floats and test high water alarm every 6 to 12 months or as needed.
13.All material and workmanship must meet County and State requirements.
14.Install risers on septic tank and pump chamber.
15.Deviation from this approved design without prior approval from the Designer and
Mason County Health Department will make this design null and void.
16.The prepared Site Plan is not a survey, it is the owner's responsibility to verify property
line locations prior to installation. Any discrepancies must be reported to the Designer
immediately.
17. Locate all utilities prior to starting installation.
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