HomeMy WebLinkAboutSWG2025-00296 TANK ONLY - SWG Application / Design - 7/28/2025 rint .: MASON COUNTY 415 N 6TH STREET,SHELTON, ,E 84 985
SHELTON:360 427-967XT 84
BELFAIR:360-275-4467,EXT 400
pia Public Health & Human Services ELMA:360-482-5269,EXT 400
FAX:360-427-7787
On-Site Sewage System Tank Only Permit: SWG2025-00296
APPLICANT Maples, Shane Phone: 3604638474
Address:OWNER
911 SE Arcadia Rd. SHELTON,WA 98584
FAIRBANKS TALBOT Phone:
Address: PO BOX 99332 SEATTLE,WA 98139
SEPTIC INSTALLER SHANE MAPLES* Phone: 360 463 8474
Address: 911 SE Arcadia Road SHELTON, WA 98584
Site Address: 480 N HILL WAY
Primary Parcel Number: 323307500060
Permit Description: Septic tank replacement
Permit Submitted Date: 07/28/2025
Permit Issued Date: 08/05/2025
Issued By: Rhonda Thompson
Current Permit Fees Paid: $270.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 07/28/2028 (based on date of Inspection)
Type of Work OSS Repair
Components being Replaced: Septic Tank Only
Surfacing Sewage? No Existing Failure? Yes
Shoreline? No Horizontal Setbacks Met? Yes
Number of Bedrooms: 3 Drinking Water Source: Private Well/Spring
Additional Details: Infiltrator 1250g
Permit Conditions:
4 Mason County Asbuilt Form, Record Drawing, and Installation fee must be submitted for
final installation approval.
1 Approval of this septic permit does not approve the building location. Building location is
subject to approval from all applicable departments and regulations.
3 Permit must be installed by a Mason County Certified Installer unless prior written
authorization from Mason County is obtained.
2 Horizontal setbacks per WAC246-272A-0210 must be maintained, unless prior approval is
obtained
5 Proposed development subject to zoning requirements and approval by the planning
department staff per Mason County Title 17.
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/OR DESIGN
APPROVED.
FINAL INSTALLATION APPROVAL IS REQUIRED PRIOR TO TEMPORARY OR FINAL OCCUPANCY OF ANY RELATED STRUCTURES.
For Final Inspection visit: masoncountywa.gov/health/environmentallonsiteloss-inspection-request.php or call:
360-427-9670, extension 400.
OFFICIAL USE ONLY
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TYPE OF WORK(see m V n e) DRIN ING WATER SOURCE CA—
❑NEW CONSTRUCTION/UPGRADES �REPAIR/REPLACEMENT PRIVATE INDIVIDUAL WELL 0 PRIVATE TVYO-PARTY WELL Z
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COMPONENT(S)TO BE REPLACED/INSTALLED 0 PUBLIC WATER SYSTEM I I
(9 SEPT1CTANK 0 PUh1PTANK El RV HOLDING TANK BEDROOMS LOT SIZE j 41 C
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❑ OTHER 3 `�, 01 P
OTHER DETARS fse;ect a'I Olt ap �� TANK(S)SETBACK CHECKLIST Q I• 1
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❑SURFACING SEWAGE G{EXISTING FAILURE 0 SHORELINE tOCFT+PUBLIC/COMMUNITY WELLS • {(9 Q
SUBMITTALSSOFT+PRIVATE WELLS.SURFACE WATERS,STREAMS,RIVERS
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1 PLOT PLAN(REQUIRED) NI 1 TANK CROSS SECTION(REQUIRED) 10FT+DRINKING WATER SUPPLY LINES t '
❑ PUMP DETAILS(IF APPLICABLE) CI WAIVER(S) PROPERTY/EASEMENT LINES,FOUNDATIONS.FOOTINGS WAIVER(S)(IF APPLICABLE) r
PLOT PLAN CHECKLIST
❑ PROPERTY LINES AND EASEMENTS 0 EXISTING/PROPOSED STRUCTURES 0 EXISTING/PROPOSED OSS COMPONENTS AND LINES 1
r.
❑ WELLS WITHIN 100FT 0 WATER SUPPLY LINES ❑DRIVEWAYS/PARKING 0 SURFACE WATERS.STREAMS,RIVERS,ETC...
❑ DIRECTION OF SLOPE/CONTOURS 0 PERIMETER/CURTAIN DRAINS 0 NORTH ARROW 0 SCALE BAR
CIRECTiONSTO SITE AND SITE CONDITIONS: cr.kv:kedQs:e) new
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OFFICIAL USE ONLY BELOW THIS LINE -- -—
UPGRADE/FAILURE SOURCE(fcr report'n9 pwpo$Ss)
0 VOLUNTARY NTENANCE/PUMPING ❑BUILDING PERMIT ❑HOME SALE ❑COI,IPLAINT ❑OTHER:
COMMENTS/CONDI NS
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SEWAGE TANKS MUST BE LISTED UNDER DOH*LIST OF REGISTERED SEWAGE TANKS'.TANKS MUST MEET CURRENT I.UNIUIUM SIZE REQUIREMENTS.EQUIPPED WITH RISERS
AND LIDS TO SURFACE.AND INCLUOEAN EFFLUENT FILTER(IF APPLICABLE). RECORD DRAWING AND INSTALLATION REPORT REQUIRED FOR FINAL APPROVAL.
INSPECTOR SIGNATURE
DATE APPLICATION EXPIRATION DATE APPLICATION APPROVED/ISSUED BY DATE
( / vi tl s—
THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE RE\9SED 127(15
IM -Tanks
IM-1250
The Infiltrator IM-1250 is a lightweight, strong and
durable septic tank. This watertight tank design is
offered with Infiltrator's line of custom-fit EZsnap
risers and heavy-duty lids. Infiltrator injection
molded tanks provide a revolutionary improvement IM 1250
in plastic tank design, offering exceptional long-term
strength and watertightness.
Benefits
Sig
Strong injection molded Lightweight plastic con- Integral heavy-duty green Structurally reinforced
polypropylene construc- struction and inboard lids that interconnect with access ports eliminate dis-
tion lifting lugs allow for easy EZsnap risers, Safety Star tortion during installation
delivery and handling secondary safety lid sys- and pump-outs
tern,and pipe riser
Reinforced structural Can be installed with 6"to Suitable for use as a septic No special water filling re-
ribbing and fiberglass 48"(152 to 1,219 mm)of tank, pump tank, or rain- quirements are necessary
bulkheads offer additional cover water(non-potable)tank The tank may be backfilled
strength with suitable native soil.
TANK CUTAWAY Partition baffle wall
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Infiltrator
EZsnap Riser I
System
HEAVY DUTY LID CUTAWAY
Reinforced 24"structural access port
APPROV
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P structural MASON C RONMEh'TAL HEALTH
\' bulkheads RET
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MI°-SEAM CUTAWAY Infiltrator
Reinforced Water Technologies
water Part of///iT'IDS
tight
infiltratorwater.com •(800)221-4436
IM-1250 General Specifications and Illustrations
The IM-1250 is an injection molded two-piece mid- LIFTING STRAP(TYP.) LIFTING LUG(TYP.) RISER CONNECTION(TYP.)
seam polypropylene tank.The injection molded ,� z ti rp: pp����� ,y —
design of thelM-1250 allows for a mid-seam joint that n�_ IP Il1Iliilhil1lI filliiILU�l 1-� & .
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hasprecise dimensions for accepting an engineered _� II { .0: 61.E
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EPDM gasket.The engineered mid seam joint accepts II ® 'III III m C .7.0 EXTERIOR
a continuous loop EPDM gasket. Infiltrator's EPDM e,' __� 1l�1 III Ill I18 III III 11 .__.. WIDTH
gasket design utilizes technology and materials from '' II i ;'d 11,E NM INN
the sanitary sewer pipe industry to deliver a reliable 152.3 13.868)
watertight seal. The two-piece design is permanently EXTERIOR LENGTH
fastened using a system of molded-in alignment
dowels and locking
Must be backfilled and OUTLET PIPE
(TYR)
0 !. 1:.•1 installed in accordance ��
I IIC 1 a with the Infiltrator IM-
'O19:•�'' P''" and CM-Series Septic Tank (1.111
\, s3871::1: 1,.,,,ff,,, 11;I!i General %II
- - ' EXTERIORX
• SEAM CLIP H IGHT
I'I�':•:: a :!.�,i! Installation Instructions. (TYR) JQ !!.I I' U ... For shallow ground waterLIFTING STRAP ��
...l.e ' conditions reference the (TYR)
Infiltrator IM-and CM-Series
SCAN ME Tank Buoyancy Control
Guidance.
Please visit www.infiltratorwater.com or scan QR R41101F BS 024.0I610 ACCESS PORT
code for the latest information. INLET TEEWITH LOCK 10.0(2541 FREEBOARD PVC(OR)ABS
OUTLET TEE
gm/ - _`.ter�— �' t
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I M-1250 0.2(5)WALL
L
0 THICKNESS
4.Working Capac J Capacity 1,278 GAL(4,839 L) , FI�EHG PER
2 51 D f(,R CODE 410EPTIH
PER CODE
Total Capacity 1,480 GAL(5,602 L) H
SUPPORT
(TYR)
Airspace 16.30% — — AKA _• - • --
Length 154' (3,911 mm)
Width 61.7' (1,567 mm)
Length-to-Width Ratio 2.8:1 % CONTINUOUS
TANK TOP ELASTOMER IC
Height 54.6' (1,387 mm) HALF GASKET
Liquid Level 44"(1,118 mm) ���// SEAM CUP
Invert Drop 3"(76 mm) j,j ' ~(72)
Fiberglass Supports 4
Compartments 1 or IYiEGRALALKiNhDo ALIGNMENT
p / TANK BOTTOM
HALF
Maximum Burial Depth 48"(1,219 mm)
Minimum Burial Depth 6"(152 mm) , )E G.HtAM. ■
Maximum Pipe Diameter 4"(102 mm) I- R O 1/\ /C
CD
Weight 405 lbs(184 kg) AUG 0 5 2025
MASON COUNTY ENVIRONMENTAL
RET
Contact Infiltrator's Technical Services Department for assistance at
1-800-221-4436 or info@infiltratorwater.com Infiltrator
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