HomeMy WebLinkAboutSWG2025-00137 - SWG Application / Design - 7/16/2026 MASON COUNTY 415 N6SHELTON. 0427970EXT 400
SH STREE 3fi HELTON, EXT400 lJj BELFAIR:360-275-4467,EXT 400
Public Health & Human Services ELMA:360-482-5269,EXT400
FAX 360-427-7787
On-Site Sewage System Permit: SWG2025-00137 C,�uNi
APPLICANT KIMBALL ET AL KYLE Phone'.
Address. ALEXANDRA HOWE SHELTON, WA 98584
OWNER KIMBALL ET AL KYLE Phone:
Address: ALEXANDRA HOWE SHELTON, WA 98584
SEPTIC DESIGNER CINDY WAITE' Phone: 360-701-0205
Address: 80 E PICKERING LANE SHELTON, WA 98584
Site Address. UNKNOWN
Primary Parcel Number: 319027590020
Permit Description: New 3bd gravity trench with Class B waiver-REVISION
Permit Submitted Date: 04/15/2025
Permit Issued Date: 07/16/2026
Issued By: Rhonda Thompson
Current Permit Fees Paid: $725.00 (adddlonal fees may be regolred upon installation of system).
Permit Expiration Date'. 04/17/2028 (based on date of nspection)
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 055.
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/onsiteloss-inspection-request.php or call:
360-427-9670, extension 400.
DESIGN FORM PAGE ONE Assessor's Parcel Number: 3 1 9 0 2 7 5 9 0 0 2 0
A design will be reviewed when 3 conies 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 IDENTIFICATION
Permit Number: SWG 2025-00137 Designer's Name: CINDY WAITE
Applicant's Name: KYLE KIMBALL/ALLI HOWE Designer's Phone Number: 360-701-0205
Mailing Address: 240 E MEYER LAKE DR Designer's Address: 80 E PICKERING LANE
SHELTON WA 98584 City State Zip SHELTON Cei 98584
City State Zip Designer's Email cindyewaite@msn.com
DESIGN PARAMETERS
Treatment Device
❑ Glendon ❑ Sand Filter ❑ Mound ❑ Sand Lined Drainfield ❑ Recirculating Filter ❑AU
C 6ihr
Treatment Level (check all that apply); p A ❑ B ❑ C ❑ BLI ❑ BL2 ❑ BL3 Yl E ❑N
Drain& Type
Gravity ❑ Pressure ItTrench e O Sub Surface Drip
Septic Tank/Drainfield Specifications �r Laterals
Number of Bedrooms 3 SchGlasp, ç i ASTM 2729
✓'
Daily Flow: Operating Capacity 270 gpd :aa4tt��nT 50 ft
Daily Flow: Design Flow 360 gpd Uant dt j A :p
>-
Septic Tank Capacity(working) 1200 gal Numb ' ¢ II
4
Receiving Soil Type(1-6) 4 Sepa
a ft
Receiving Soil Appi. Rate .6 gpd/ft' Orifices
Required Primary Area 600 ft' "';;.al_umber o rifices ASTM PERF
Designed Primary Area 600 ft2 Diame�er in
Designed Reserve.Area 600 ft'- Spacir:g in
? sP
Trench/Bed Width 3 ft 3P w y`">� Mauifo:d
Trench/Bed Length 200 ft Sc ed.. la
ftElevation Measurements Cep 9� 9F )1 sum
Original Drainfield Area Slope o/ D e or C LITE in
LiW W�:C+;.iGEER
New Slope, If Altered % ' "fa ,,_? ❑ Yas fi�No
Depth of Excavation Up-slope 15 ;n Transport Pipe
from Original Grade no'n lcp= 14 in Sched.le/Class ASTM 3034
Designed Vertical Separation 18 in Le]gTL 15
Gravel-based Drainfield Required? d Yes Cl No DLT,nesr i❑
Pump Required? ❑ Yes Ii No Dosing and Pump Caamber
Pump/Siphon Specifications Number of doses'day
Diff.in Elevation Betwee. Pump& Uppermost Orifice_ft Dse quantity gal
Drainfleld Squirt Heignd Sa ected Residual(head) ft Co'. Capacity(flood) _ ual
Uppermost Orifice❑ Higher ❑ Lower than P,..np Shutoff Pump controls: Pease check those
Capacity®Total Pressure Head gpm ❑ Timer 0 Elapse Meter ❑ Event Counter
Calculated Total Pressure Head ft If Timer Pump on , Pump off
Commentsp\ \ (q\\ 417
��Iy h 51- �U ISI �Y� � �i✓�" 'r1
/2025
DESIGN FORM-PAGE TWO Assessor's Parcel Number: 3 1 9 0 2 7 5 9 0 0 2 0
Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plat Scaled Layout Sketch Cross-Section Sketch
F1 Test hole locations V Drainfield orientation and layout Reference depth from original grade:
V Soil logs 1i Trench/bed dimensions and
17l DminSeptic
tank
field
(� Property lines critical distances within layout ' Drainfie!d cover
Existing and proposed wells lr D-BoxNalve box locations Retreue depth t:aa original grade
within 100 ft of property V Septic tank/pump chamber and restrictive strata:
614Measurements to cuts, banks, and locations p1-t , �Ii
Laterals,trench/bed, top and
surface water and critical areas
Observation port location bottom
,✓Location and orientation of r:erean-out location ❑ Curtain drain collector
curtain drain and all absorption
'��114(anifold placement ❑ tiara aug.Tenras_
components
�j�Orifice placement Other cross-section detail:
Location and dimension of
primary system and reserve area Lateral placement with distance �1 Observation ponsclean-outs
to edge of bed Other Infcrma flan
if Buildings iKs''��11 p/
Audible/visual alarm referenced Yes No
V Direction of slope indicator
F� Scale of drawing shown on scale ❑ Design caked out
V Waterlines bar ❑ ❑ Recorded Not ces .cached
91 Roads. easements, driveways, Elevation benchmark and relative ❑ V.'_ver(s) attached
parking elevations of system components
V North arrow and scale drawing ❑ L 6 a uario of ra,,w e
shown on scale bar icon-residen,iai lust.fication
❑ u 'Wuse strength
❑ ❑ Flow
DESIGN APPROVAL
The undersigned designer must be notified by installer at time of installation Rb Yes ❑ ' o
C� /
Signature of Designer Date
The undersigned has reviewed this design on behalf of Mason County Public He ltS and de,_nnined it m bs in
compliance with state and local on-site regulations:
1 ?1�lMl�ti� hle cP
Environmental Health Sp ialist Date
CAUTION: DESIGN APPROVAL-S VALID ONLY UNDER THE FOLLOWING CON-DITION:
V The design is stamped"Approved" by Mason County Public Health. p
V The Onsite Sewage Permit has not expired,the Permit Expiration Date is: 'k \ Y7 (,/
✓ Drainfield site conditions have not been altered w 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.
An Installation Fee is required.
v�y
This form may be scanned and available for public view on the Mason County INab site. Revisec, 5;'! 1'2025
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Distribution Box(No Scale)
1200 Gallon Double Compartment Septic Tank
.i.o..rJ1 i& LU mn_ _ _ OUTLET FILTER
r REQUIRED
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2nd Compartment
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SEPTIC TANK MUST BE ON DOH APPROVED LAS
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Installation Notes
Gravity System
31902-75-90020 107 SE Dusty Lane
1. The prepared site plan is not a survey. It's the owners responsibility to verify property
lines, utility lines (water, sewer, power, phone and gas) prior to installation.
2. Observation ports to be installed on both ends of laterals
3. Gravel based drainfield required
4. Install system during dry weather with acceptable soil conditions
5. Keep wheeled vehicles off the drainfield area before, during and after Installation.
Tracked equipment only
6. 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.
7. Curtain drains can be no closer than 10' upgradient and 30' down gradient of the
drainfielo
8. Exposed restrictive layers, cuts, banks, etc. can be no closer than 50' downniil from the
drainfield.
9. Install access risers on the septic tank, D-box and observation ports.
10. Make sure septic tank risers are epoxied or caulked to cast in riser rigs on tar:k.
11. Lids must form a water and gas tight seal with the access risers
12. Install effluent filter at the septic tank outlet.
13. This system must be installed by a Mason County Certified Installer.
14. Deviation from this design without prior approval from the designer ana Mason County
Health Department will make this design null and void.
15. This design was sized per Washington Administrative CodeVVA0246-272A-0230. The
operating capacity is based on 45 gallons per day per capita with two persons per
bedrocm. The minimum design Flcw per bedroom per day is the operating capacity of
ninety ga.lens multiplied by 1.33. This results in a minimum design favv ci o;;e hundred
twenty gal'.ons per day. This creates a surge factor of 33% but anticipates flow is ninety
gallons per bedroom per day.
16. Install latera5s or bed with contour of the ground
17. Install trench bottoms level and always maintain a minimum of six illenes nio na ke) oil
18. Filter fabric required over drain rock prior to backfilling. If the drain rock eaten'
above the original grade, run the filter fabric at least 2 inches down the trench
APPROVED
1' 1 C22St3I.fl ��
System Owner Responsibilities:
1. Operation and Maintenance is required by Washington State Department of Health and
Mason County Health Department.
2. The septic tank should be pumped every three to five years or as needed.
3. System owners are responsible for having maintenance per`crmed every three years as
per WAC246-272A.
4. System owners are responsible for responding to septic issues In a i mely mane:.
5. System owner agrees to read and abide by information regarding their system in the
User Manual provided by Mason County Public Health.
6. Keep the flow of sewage at or below ;he 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 whitener.
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 hyaraulic overload your on-site septic system.
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