HomeMy WebLinkAboutSWG2025-00206 - SWG Application / Design - 6/2/2025 MASON COUNTY 415 N 6TH STREET,SHELTON,WA 98584
A .: 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: SWG2025-00206
APPLICANT RINARD ANDREW M Phone:
Address: PO BOX 1563 SHELTON, WA 98584
OWNER RINARD ANDREW M Phone:
Address: PO BOX 1563 SHELTON, WA 98584
SEPTIC DESIGNER CINDY WAITE* Phone: 360-701-0205
Address: 80 E PICKERING LANE SHELTON, WA 98584
SEPTIC INSTALLER BRAYDEN SCHOENING* Phone: 360-742-2982
Address: 121 W GRIZDALE DRIVE SHELTON, WA 98584
Site Address: 551 E DARTMOOR DR
Primary Parcel Number: 321275300123
Permit Description: Repair 3bd ATU to pressure trench
Permit Submitted Date: 06/02/2025
Permit Issued Date: 06/05/2025
Issued By: Rhonda Thompson
Current Permit Fees Paid: $825.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 06/04/2026 (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/onsiteloss-inspection-request.php or call:
360-427-9670, extension 400.
OFFICIAL USE ONLY
J L MASON COUNTY DATE RECEIVED: 0(+9 _ 62— Zoz5
Jl�n C U)
AMOUNT RECEIVED: e RECEIVED BY: c l�"" W m
f Public Health & Human Services o CA
Environmental Health 360-427-9670,ext.400 or 360-275-4467,ext.400 C co
415 N.6th Street - Shelton,WA 98584 S W G 2oj j - �^zO 6 o 0
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ON-SITE SEWAGE SYSTEM APPLICATION
APPLICANT (C�; PHONE m m
ANDREW RINARD 1 360-742-2982 z
MAILING ADDRESS-STREET,CITY.STATE,ZIP CODE -
PO BOC 1563 t� °' SHELTON WA 98584 CO
SITE ADDRESS-STREET.CITY,ZIP CODE .��.
G
551 E DARMOOR DR ED , SHELTON WA 98584 I G'
NAME OF DESIGNER --9 PHONE
CINDY WAITE o"----1 >, . 360-701-0205 �'
NAME OF INSTALLER •• PHONE
SCHOENING EXCAVATION 360-742-2982
PERMIT TYPE(select one) DRINKING WATER SOURCE �; N I N
of RESIDENTIAL OSS fl COMMUNITY OSS '(�l COMMERCIAL OSS E] PRIVATE INDIVIDUAL WELL F1l PRIVATE TWO-PARTY WELL 7...
I
TYPE OF WORK(select one) PUBLIC WATER SYSTEM LAKE LIMERICK WS r
6NEW CONSTRUCTION/UPGRADES pf REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) 0 TABLE X REPAIR I Ul
SUBMITTALS 0 SURFACING SEWAGE EZ1EXISTING FAILURE ❑SHORELINE
CO
,trr l DESIGN FORM(REQUIRED) KSEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE WAS LOT CREATED AFTER 4/1/20257 r- I co
)( ) 3 19127 ❑ El n I
El WAIVER(S) IF APPLICABLE 4i YES X I O
DIRECTIONS TO SITE AND SITE CONDITIONS:(ex.locked gate)
GO NORTH ON HIGHWAY 3, TURN LEFT ONTO MASON LAKE ROAD, TURN RIGHT I o
ONTO DARTMOOR DR, PARCEL IS ON THE LEFT, GO TO ADDRESS, SOIL LOGS ARE o 1
IN THE BACK OF THE HOUSE. -I
IN
SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I (J.)
OFFICIAL USE ONLY BELOW THIS LINE
UPGRADE/FAILURE SOURCE(for reporting purposes)
❑VOLUNTARY 0 MAINTENANCE/PUMPING 0 BUILDING PERMIT OHOME SALE OCOMPLAINT ❑OTHER:
INSPECTOR SOIL LOGS COMMENTS/CONDITIONS
I 4 i/7(6ESL- Z`� 1
1
05,E �
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.
INSPECTOR SIGNATURE HV
DATTEEAPPLICATIION EXPIRATIOONDATE APPLICATION APPROVED/ISSUEED BY DATE 1 t
THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE "11 Revised:4/14/2025
DESIGN FORM—PAGE ONE Assessor's Parcel Number: 3 2 1 2 7 — 5 3 — 0 0 1 2 3
A design will be reviewed when 3 conies of each of the following are submitted:
Completed design form that has been signed and dated. 0 Scaled layout sketch, including all applicable items on checklist
° Scaled plot plan, including all applicable items on checklist. 0 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 IOW
Permit Number: SWG ZoZ5 vo2 be Designer's Name: CINDY E WAITE
Applicant's Name: ANDREW RINARD Designer's Phone Number: 360-701-0205
Mailing Address: PO BOX 1563 Designer's Address: 80 E PICKERING LANE
SHELTON WA 98584 SHELTON WA 98584
City State Zip City State Zip
` DESIGN PARAMETERS
Treatment Device
❑Glendon Bioftlter 0 Sand Filter 0 Mound 0 Sand Lined Drainfield 0 Recirculating Filter,Type:
4Aerobic Unit Make/Model BNR 500 0 Disinfection Unit Make/Model Other:
Drainfield Type
❑ Gravity 4 Pressure r 'Trench 0 Bed 0 Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 3 Schedule/Class SCHEDULE 40
Daily Flow: Operating Capacity 270 gpd Length 40 ft
Daily Flow: Design Flow 360 gpd Diameter 1.25 in
Septic Tank Capacity(working) TRASH TANK&BNR 500 gal Number 5
Receiving Soil Type(1-6) 4 Separation 5 ft
Receiving Soil Appl. Rate .6 gpd/ft2 • Orifices
Required Primary Area 600 ft2 Total Number of ific 40
Designed Primary Area 600 ft2 Diameter I 3/16 in
Designed Reserve Area VERY LIMITED 2 `�� `r�AsR, 60 in
g ft Spacing co t„I �,
,t•
Trench/Bed Width 3 ft � - U ifold
Trench/Bed Length 200 ft Schedu ass 5 ''I-. SCHEDULE 40
CINDY E WAITE
LICENSED DESIGNER
Elevation Measurements Len 1-2 ft
+-ISIV «
Original Drainfield Area Slope <1 % Diameter t^.•.'L'° A5'th 2 in
New Slope,If Altered % Preferred manifold configuration used? lt�Yes 0 No
Depth of Excavation up-slope 16 in Transport Pipe
from Original Grade Doan-slope 16 in Schedule/Class SCHEDULE 40
Designed Vertical Separation 12 in Length 20 ft
Gravelless Chambers Required? 0 Yes 0 No 0 Optional Diameter 2 in + \ t'
Pump Required? le Yes 0 No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day 6
Diff. in Elevation Between Pump&Uppermost Orifice 6 ft Dose quantity 45 gal
Drainfield Squirt Height/Selected Residual(head) 2 ft Chamber Capacity(flood) 1287 gal
Uppermost Orifice 0 Higher 0 Lower than Pump Shutoff Pump controls: Please check those required.
Capacity @ Total Pressure Head 23.6 gpm RiTimer IiiElapse Meter li 'Event Counter
Calculated Total Pressure Head 8.19 ft If Timer: Pump on ,Pump off
kComments
DRAINFIELD WILL BE STAKED AFTER CLEARING IS COMPLETED, GRAVEL BASED DRAINFIELD
(' REQUIRED, PUMP CONTROLS TO BE SET AT TIME OF INSTALLATION AT 270 GPD
DESIGN FORM—PAGE TWO Assessor's Parcel Number: 3 2 1 2 7 -- 5 3 -- 0 0 1 2 3
Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
Ri Test hole locations lig Drainfield orientation and layout Reference depth from original grade:
ili Soil logs Ei Trench/bed dimensions and lid Septic tank
Ri Property lines critical distances within layout Q( Drainfield cover
existing and proposed wells l D-Box/Valve box locations Reference depth from original grade
within 100 ft of property Ri Septic tank/pump chamber and restrictive strata:
py itAr 1 e a s u r e m e n t s to cuts, banks, and locations pl.'Jo,y 0 Laterals,trench/bed, top and
surface water and critical areas 6d Observation port location bottom
pit .Location and orientation of 1 Clean-out location 0 Curtain drain collector
curtain drain and all absorption Ri Manifold placement 0 Sand augmentation
components lif Orifice placement Other cross-section detail:
Ri Location and dimension of G� Observation ports/clean-outs
primary system and reserve area Lateral placement with distance
to edge of bed Other Information
PI Buildings
lif Audible/visual alarm referenced Yes No
WI Direction of slope indicator /.� "
RE Scale of drawing showntn scale 0 It Design staked out
Bj Waterlines bar 0 0 Recorded Notices attached
Pi Roads, easements,driveways, 'Elevation benchmark and relative 0 0 Waiver(s)attached
parking elevations of system components Ri 0 Pump curve attached
Ri North arrow and scale drawing 0 0 Evaluation of failure
shown on scale bar Non-residential justification
❑ ❑ Waste strength
❑ ❑ Flow
DESIGN APPROVAL
The undersigned designer must be noti by installer at time of installation 0 Yes 0 No
c G/21 —zee l�Signature f‘, ..)
esigner Date
The undersigned has reviewed this design on behalf of Mason County Public Health and determined it to be in
compliance with state and local on-site regulations:
`611 /S-17,c
Environmental Health Spe ialist Date
CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION:
✓ The design is stamped"Approved"by Mason County Public Health. VG/
/ _,,6
✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is:
✓ Drainfield site conditions have not been altered to adversely affect conditions of design approval. 2\,13
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:4/3/2025
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ORIFICE SPACING 5
Lateral# Length Length Orifice # Distance from Distance from end Length#
# (Feet) (Inches) Spacing" Orifices feeder line of end of lateral
1 40 480 60� 2.5 2.5 60
2 40 480 60 p _ 2.5 2.5 60
3 40 480 60 p 2.5 2.5 60
4 40 480 60 r_ 2.5 2.5 60
5 40 480 60 r ! 2.5 2.5 60
200 LiD 295
TRANS LENGTH 20
GPM ,2 3.4
K (2" SCHEDULEN 40) 284.5
FRICTION LOSS 0. !p q p 1
Squirt 2
Elevation difference 6
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APPROVED
JUN 04 2025 A
MASON COUNTY Eh'VIRONMEh'THEALTHREr
LICEN«C�DE SIGNER
TRENCH CROSS SECTION
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X4=Flow Control Valves 65') :ry
X5=Soil Logs O iv I u>` f✓o �"r r�� [ t3
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APPROVED •, °� i cs0
JUN 0 4 2025 f{W
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MASON COUNTY Eh`1RON.,ENTAL HEA LICENSED DESIGNER
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INFILTRATOR l r,a, --7-" IM 1
septic tanks P :M p -
Matures a Benefits
• Strong Injection molded polypropylene
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F'4�RI4i$j a Interconnect with TWTM risers and pipe
REr "riser solutions
• Structurally reinforced access ports
eliminate distortion during installation
and pump-outs
• Reinforced structural ribbing and
fiberglass bulkheads offer additional
• strength
• Can be installed with 6"to 48"
of cover
The Infiltrator IM-1060 is a lightweight strong and durable septic tank. • Can be pumped dry during
This watertight tank design is offered with Infiltrator's line of custom-fit pump-outs
risers and heavy-duty lids. Infiltrator injection molded tanks provide a • Suitable for use as a septic tank, pump
revolutionary improvement in plastic septic tank design, offering long-term tank, or rainwater(non-potable)tank
exceptional strength and watertightness. • No special water filling requirements
Inlet Side are necessary
• The tank may be backfiiled with suitable
TANK CUTAWAY Infiltrator _
native soil.See Installation Instructions
TW Riser -
System --��- I for guidance.
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Partition I i IN
baffle wall . ' '1`' HEAVY DUTY LID
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INFILTRATOR
Proteetingthe Environment with Innovative Wastewater fitment SoIutio water technologies
IM-1060 General Specifications and Illustrations
LIFTING STRAP UFTING LUG RLSFR CONNECTION
(TYPICAL.) (4TOTAL) (TYPICAL)
The IM-1060 is an injection molded two piece mid-seam r!r''" ��,,�,, .� _
plastic tank.The IM-1060 Injection molded plastic design ii�i�lif ill�il I� rir itI i) i'C—/1������,i
allows for a mid-seam joint that has precise dimensions A ;;s_=_•_� �,i Ir L r rr r,/ 1_=_,;�
for accepting an engineered EPDMgasket. Infiltrator's Ekloilr o ' / ° � :;;
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gasket design utilizes technology from the water industry = e,— wee l i e o='U,, Ih 2
to deliverproven means of maintaininga watertight seal. + !!" 'Al li t i n t 1%•;;, Wanda
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The two-piece design is permanently fastened using a ilillitr44111
r" !! l ��`i"�"�series of non-corrosive plastic alignment dowels and IA. A. I.I �.I�^�I.i�� �
locking seam clips.The IM-1060 Is assembled and sold
through a network of certified Infiltrator distributors. 127.017226l EXTERIOR LENGTH
Must be backfilled and installed in accordance with TOP VIEW
Infiltrator Water Technologies, Infiltrator IM-Series Septi. a
Tank General Installation Instructions and for shallow P I
LET
ground water conditions reference the Infiltrator IM- pR O
Series Tank Buoyancy Control Guidance. f UN O l will!
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Please visit www.infiltratorwater.com/images/pdf/ N COUN = = _ " Oust
ManualsGuides/TANK01.pdf for the latest information. 1 r EINV1R04 . -'Il1)Kaki y HEIGNT
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IM-1060 UFT.+c 1�.44111111111111
(TYPICA —,•_.�
Working Capacity 1094 gal(4141 L)
Total Capacity 1287 gal(4872 L) END VIEW
Airspace 16.5%
Length 127"(3226 mm) 0411021 '024f6101 ACCESS OPENINGS WITH LOCKING UD5l21
PVC OR ABS 0 IIOtI Pvcan
Width 62.2"(1580 mm) INLET TEE �102I26oI FREEBOARD Res duTLETTII
Length-to-Width Ratio 2.3 to 1 1 INLET 16.556
r I 3,0 - p AIR SPACE OUTLET
Height 54.7"(1389 mm) PEA }
1751 j i ! PER
CODE CODE
Liquid Level 44"(1118 mm) I 44D i L—�
FIBFRG ASS 01181 FIBERGLASS
Invert Drop 3"(76 mm) SUPPO,T —"I DDEPTH —SUPPORT
MP/CAL)
WITH BAFFLE J
Fiberglass Supports 2khr_....___I piaTurr‘ifTvuT.L21 WALL WHERE
REQU� IRE .-l
Compartments 1 or 2 W
Maximum Burial Depth 48"(1219 mm) - SIDE VIEW
Minimum Burial Depth 6"(152 mm)
I
Maximum Pipe Diameter 6"(152 mm) • P� CONTINUOUS
Weight 320 lbs(145 kg) e of GASKET
A- I ( SEAM CUP
10 �'JI/ $11r.`.
LICECs Al ALIGN
: �� �� TANK BOTTOM
4 Business Park Road • ' - ••-'0 HALF 1 �n
P.O.Box 768 (mil` '/�(
Old Saybrook,CT 05475
INFILTRATOR' 160 5.221-0•Fax B60.577-700114004436 mill-HEIGHT SEAM SECTION
water technologies www.Inflttretorewater.com
•
U.S.Patents:4,759,661;5,017,041;5,156,488;5.336,017;5,401,116:5,401,459:5,511,903;6,716,163;5,58 ,778;5,839,844 Canadian P ants:4,329,959;2,004,564 Other patents pawing.Infiltrator,Equalizer,
0Wck4,and SldeWlnder are registered trademarks of Infiltrator Water Terlmologles.Infiltrator Is a reglsiered trademark In Franca.Inriltrat• WaterTechnologles Is a registered trademark In Mexico,
Contour,MIeroLeaching,PolyTuff,ChamberSpacer,MuttPort,PosiLock,QuickCut,OuinkPlay,SnapLdck and Stralghtlock are trod, Ot Inilllrator Water TeChnologtes.
PotyLok is a trademark of PotyLok,Inc.TUF-T1TE Is a registered trademark of TUF-TITE,INC.Ultra-Iaib Is a trademark of IPEX Inc.
02016 Infiltrator Water Technologies.LLC.All rights reserved.Printed in U.SA IM02 111a
Contact Infiltrator Water Technologies' Technical Services Department for assistance at 1-800-221-4436
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WATERTIGHT LID VENT(typ) DUAL PORT AERATOR
RISERS(TYP)
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TRASH CHAMBER DIGESTER CHAMBER CLARIFIER
OPERATING CAPACITY:417 GALLONS OPERATING CAPACITY:421 GALLONS CHAMBER
FLOOD CAPACITY:490 GALLONS FLOOD CAPACITY:494 GALLONS 160 GALLONS
FLOOD:191 GAL.
1 r-
65" sr
54" APPPO ED e e 50"
53'
36" e e e t� 1'X 1/2'
JUN 04 20 e e e TEE
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MASON COUNTY ENV1RONy YIA .bfA_Tr.• \
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SIDE VIEW
1"=1.4 ff. STONE-FREE NATIVE SOIL
OR COMPACTED SAND
INSTALLATION INSTRUCTIONS 1 OVER STONY SOIL
1)Excavate tank hole with vertical walls to 1 foot larger than
tank on all sides.
2)If bottom of hole is stony,install 3"of compact sand&level 4' 9'-2" t
out with screed. _ __ _ \
3)Install tank In center of hole,keeping 1 ft.void space on i r
all sides. i I - 24"RISERS'MTYP) 24 BLOWER
4)As tank is filling with water,fill in void space with compact i 4I 1 *Al TOP OGAS
granular(sandy)soil free of large clumps of clay. if l
5)Install rest of system,&affix risers to adapters with v
waterproof adhesive. i.�� I a
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6)Perform watertightness test in field as required by local ��F,,c.As ,t• I I I I 4 B'
jurisdiction. r c ..- -�' S. ,�/ l 12'RISER
l
7)Upon approval to backfill,carefully backfill with native .r • . .1 I II
or soils over top of tank. 4 .,pr�, I DIGESTER I 104800
8)Final grade the surface to avoid chanelling surfs«: i 51004
or E �R t _JL � L _ _ J
water toward tank. o cittl ——
5 1. \
to E IGNERTOP VIEW 1 o 0
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w AEROBIC TREATMENT TANK DETAIL FOR
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NuWA TER BNR-500 TREATMENT UNIT
ffilia ■ ENVIRO-FLO, INC. REVISED:
\`111 Wastewater Treatment Technologies 3/01/12
`'''«.„ ,, P.O. BOX 321161, Flowood, MS 39232
(877)836-8476 (601) 845-4716 fax scaLE 1" =
1.4 ft.
www.enviro-flo.net
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Pump Specifications Jj
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280 Series 1 /2 hp
NY
Submersible Effluent Pump
LITERS PER MINUTE
0 50 100 150 200 250
40 - 1 - s 12
441 p,
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Installation Notes
Pressure Distribution System:
32127-53-00123 551 E Dartmoor Dr
Prepared site plan is not a survey. It's the owner's responsibility to verify property lines, utility
lines (water, sewer, power, phone and gas) prior to installation.
1. Gravel base drainfield required
2. Timer to be set at 180 GPD
3. Keep wheeled vehicles off the drainfield area before, during and after installation.
Tracked equipment only
4. 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.
5. Curtain drains can be no closer than 10' upgradient and 30' down gradient of the
drainfield
6. Exposed restrictive layers, cuts, banks, etc. can be no closer than 50' downhill from the
drainfield.
7. Install access risers on the septic tanks, valve box and ends of laterals.
8. Make sure septic tank risers are epoxied or caulked to cast in riser rings on tank.
9. Lids must form a water and gas tight seal with the access risers.
10. Install effluent filter specified in this design at the septic tank outlet.
11. This system must be installed by a Thurston County Certified installer.
12. Deviation from this design without prior approval from the designer and Thurston County
Health Department will make this design null and void.
13. 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 day11
14. Install laterals with contour of the ground.
15. Install trench bottoms level and always maintain a minimum of six inches into native
soil..
16. 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.
17. Install audio/visual alarm.
18. Filter fabric required over drain rock prior to backfilling. If the drain ro ends above
the original grade, run the filter fabric at least 2 inches down the tre II into original
grade.
PPROVED 'TA ,2j\.13
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JUN042025
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MASON COUNTY ENVIRONMENTAL HEALTHE"A1 DE' R
uCEN DESIGNER
REr .RES
Systenp Owner Responsibilities:
1. Operation and Maintenance is required by Washington State Department of Health and
Thurston 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. Keep the flow of sewage at or below the 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 whiteners.
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 hydraulic overload your on-site septic system.
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LICENS ESIGNER
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EXPRES 05,10-
APPROVED t910
JUN 0 4 2025
MASON COUNTY ENVIRONMENTAL HEALTH
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