HomeMy WebLinkAboutSWG2023-00409 - SWG Application / Design - 9/26/2023 ® MASON COUNTY 415N6 SHELTON,
HELTON, ,SHELTO70.EXT 400
SH STREET,
TREE ,SHELTON.W EXT 400
BELFAIR:360-2754467,EXT 400
Public Health & Human Services ELMA'.360-062-5269,EXT 400
FAX:360 274787
On-Site Sewage System Permit: SWG2023-0041 9
APPLICANT THOMPSON LYNN M&KENNET 10 Phone:
Address: 751 E MCMICKIN RD SHELTON, IVA 98584
OWNER THOMPSON LYNN M&KENNET 4 O Phone:
Address: 751 E MCMICKIN RD SHELTON, NA 98584
SEPTIC DESIGNER DALE TAHJA-Septic Designer Phone: 360-426-5940
Address: 2450 W DEEGAN ROAD WEST S AELTON,WA 98584
Site Address: 751 E McMickln R
Primary Parcel Number: 220015100032
Permit Description: 3-bedroom pressu a system
Permit Submitted Date: 09/2612023
Permit Issued Date: 10/10/2023
Issued By: David Anderson
Current Permit Fees Paid: $780.00 (awwonel roe,merarra 4e�eI,olWlla+weyeNml
Permit Expiration Date: 10104/2026 (Ma on aide of nap 4en)
Permit Conditions:
1 Proposed development subject to zoning requireme is and approval by the planning
department staBper Mason County Title 17.
2 Permit must be installed by a Mason County Cenifie I Installer unless prior written
authorization from Mason County is obtained.
3 Drainfield installation not to exceed designed upslop R and downslope depth Specified on
design form.
4 Installer is responsible for obtaining Mason County i istallation approval prior to backfill of
system components.
5 Installer is responsible for obtaining Septic Designer Ungineer installation approval prior to
backfill of system components.
6 Mason County Asbuilt Form, Record Drawing, and li istallation fee must be submitted for
final installation approval
THIS PERMIT MUST BE ONSITE DURING INSTALLATION OF OSS,
PROPERTY OWNERS ARE RESPONSIBLE FOR DETERMINING AND MARKIN ALL PROPERTY LINE AND EASEMENT LOCATIONS.
THIS PERMIT MAY BE REVOKED IF THE SITE CONDITIONS HAVE CHANGED INCE THE SITE WAS INSPECTED AND DESIGN APPROVED.
FINAL INSTALLATION APPROVAL IS REQUIRED PRIOR TO TEMPORARY OR INAL OCCUPANCY OF ANY RELATED STRUCTURES.
For Final Inspection visit:masoncountywa.govlheahhlenviro mentallonsitelossdnspection-mquest.php or call:
360.427.9670,este ion 400.
OFFICIALUSEONLY
® MASON COUNTY
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ON-SITE SEWAGE SYSTE APPLICATION
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Lynn & Ken Thompson (425) 231-6274
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DESIGN FORM—PAGE ONE Assessor'sP Numba: 2 2 0 0 1 — 6 1 — 0 0 0 3 2
A design will be reviewed when 3 co i of each of the following are a miffed:
•Completed design form that has been signed and dated. v Scaled I out sketch,including all applicable itms an checklist
v Scaled plot plan,including all applicable items on checklist. v Cross- n sketch,including all applicable items m chooldist-
Thbfomr be warred arM avNlsMefm bllc h onthah Web alb Mtrimwm size: ll 'X 17"
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Permit Number: SWG 7OZ3-Od`f(9 Designer's Dale Tahja
Applicant's Name: Lynn&Ken Thompson Designer's P oe Number. (360)a26'SBSD
Mailing Address:
751 E.MCkikMn Rd.SiNereoa 18 Dmigna's dress: 2450 W Dsepen Rd W
show WA saw Sham WA 98664
C' State Z' Ct Sbte Z'
'mac,,eat,
Treatment Deice
❑Gloodon&ofiher ❑Sand Filter 0Mooed ❑Swd Limd Dry old ❑gavedrmagPiltr,Type:
FDwip
7Mako(M0M__ D Disid'edim Umt OggNIA
Drairfield
�Prasarse Ii�Trerch OBed ❑Sob Srefice AlprainFieid Specifiwdrma laterals
ooms 3 Claw SCh.40
Operating Capacity 270 gPd 50 ft
ign Flaw 360 gpd 1.25 in
Septic Tank Capacity(working)
1,250 gal N 4
Reoeiviug Soil Type(lfi) 4 on
6 ft
Receiving Soil Appl.gate 0.6 gpd/if 0rilices
Ensnared Primary Area 600 fe Taat Number of Orifices 48
Designed Primary Ares
600 ftr Di r 1/8 in
Designed Reserve Area 600 fta Span 40 in
T=CWBed width 3 ft Manifold
40
Trench/Bed L 200 ft Se e'ClessSen.
ength
42 it
Elevelion Meaeuremenb
(New
If lte Ara Slope
5 % D 1.25 in
New Slope,If Altered 5 % maniPoM configmatim used? 13 Yes O No
DepthufEzcevation Uysl,ye 14 in Transport Pipe
from Original Grad. ibwnilope 12 in le/Class 6eh.40
Designed Vertical Separation 24 in Len 10 ft
Gravelless Chambers Required? ❑Yes ❑No gGi honal Atund. 2 in
Pomp Required? 56Yes ❑No Dosing and rump Chamber
Pumpisiphon Specifications t
Dillin Elevation BetweenPump&Uppermost OrificeDreatfield Squirt Heigh 8 R/Selected Residual(heed)Uppe stos Orifice6lHgher (3Lower than Pump Shutoff
Cepoedy Q Total Pressure Head 22 Vol imer min. ere Meta ShEvmt Coo,
flesh 18 ft If Pump on 3mM. pomp ofl' 5hn.57 min.
Calwlefed To Pressure Head _
Cotmnems
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DESIGN FORM—PAGE TWO Assessor's Parcel umber:2 2 0 U 1 — 5 1
Permit Number: S G
DESIGN t;,#'tf'
Scaled Plot Plan Scaled Layout Sketch Cruel Section Sketch
Id Test hole locations 19 Drainfleld orientatio and layout Reference depth from original grade:
m Soil logs it I rench/bed dimenai and R1 Septic tank
Ed Property lines critical distances ' in layout G1 Drainfield cover
16 D-Box/Valve box I ors Reference depth from original
56 Existing and proposed wellsgrade
within 100 ft of property 56 Septc tank/pump and restrictive strata:
m Measurements to cots,banks.and locations li( Laterals,trench/bed,top and
surface water and critical areas Ib Observation port t 'on bottom
m Location and orientation of m Clear out location ❑ Curtain drain collector
curtain drain and all absorption 16 Manifold placement ❑ Send augmentation
components id Orifice placement other cross-section detail:
Ina Location and dimension of 56 Observation PmWcleanoms
� Lateral placement th distance
primary system and reserve area to edge of bed Other laformatlop
Id Buildings 66 Audiblelvisual alarm referenced Yes No
m Direction of slope indicator j6 Scale of dmwing shown on scale ad ❑Design staked out
is Waterlines bar ❑ ❑Recorded Notices attached
❑ ❑Waiver(s)attached
Ina Roads,oesemems,driveways, li G6 ❑Pump curve attached
parking ❑ ❑Evaluation of failure
16 North arrow and scale drawing Non-residential justscation
shown on scale bar ❑ ❑Waste strength
❑ ❑Flow
DESIGN APPROVAL
The undersigned designer \c be notified mst a at time o installation ad yeess9�❑ No
Signature ofDmigner 1 V'
The undersigned has reviewed this design on behalf of Mason County Public Health and Frp r
� m[r ))Lth state andlocal onaji �u�
+ Environmental Heabh Spemal Data
OCT I 0 %
?",AEG �OIV: DESIGN APPROVAL IS VALID ONLY U ER THE FOLLOWDIG CONDI
✓ tia' �ie 'Approved"by Mason County Pub' Health.
J The dbsits Sewage Permit has not expired,the Permit EXP on Data is:
J prainEeld site conditions have not beenadversely affect altered to advers affect conditions of design approval'
Please Note: The system must be installed by a certified installer,
unless prior authorization is obtained i om Mason County Public Health.
An Installation Fee is re uired.
Thy form may be scanned aid available tut W tin the Mason County Web site Date: 1 v72o15
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Media Gallery
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installation/Maintenance
Pressure Distribution/Trench Systems
1. Install trench bottom level and in contour with the ground.
2. Install dramfield during dry weather and soil conditions.Any soil smearing must be
eliminated by hand raking any areas that get sheared.
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 primp outlet line to prevent back-flow into the pump chamber.
6. Install 119 inch orifices on 4fl. centers. Install the orifices(with orifice shields)pointing
straight up( 12:00 o'clock).
7. Divert all storm water run-off away from septic system components.
8. No curtain(french) drains allowed within loft.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.
I5.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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