HomeMy WebLinkAboutSWG2023-00226 - SWG Application / Design - 6/7/2023 MASON COUNTY 415 N 6TH STREET, SHELTON,WA 98584
SHELTON:360-427-9670, EXT 400
a. 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: SWG2023-00226
APPLICANT VONG ET AL WILLIAM & JULIET Phone: 206-769-2843
Address: WILLIAM MCKINLEY IV&JANIE KAY DUCKETT TRUSTEES BELLEVUE, WA 98004
OWNER VONG ET AL WILLIAM &JULIET Phone: 206-769-2843
Address: WILLIAM MCKINLEY IV & JANIE KAY DUCKETT TRUSTEES BELLEVUE, WA 98004
SEPTIC DESIGNER CINDY WAITE-Septic Designer Phone: 3607010205
Address: 80 E PICKERING LANE SHELTON, WA 98584
Site Address: 18881 E State Route 106
Primary Parcel Number: 122065000013
Permit Description: 2-bedroom NuWater BNR600 system repair
Permit Submitted Date: 06/07/2023
Permit Issued Date: 07/14/2023
Issued By: David Anderson
Current Permit Fees Paid: $780.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 06/12/2024 (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 C C
MASON COUNTY DATE RECEIVED
COMMUNITY SERVICES +,`ir t, `� D
AMO�E -
Public Health(Community Health/Environmental Hralthlt. i C (n
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360<27 9610.ext 400 0.360 275<467 ext 400
a15N 6th St�.�t Sheitwt.WA 9PSR< /--` 1� ,� - '' . - 0 _ O
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ON-SITE SEWAGE SYSTEM APPLICATION D D
APPLICANT rT7 m
Pti O,N E
WILLIAM VONG 206-769-2843 I—
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MAILING ADDRESS-STREET.CITY.STATE.ZIP CODE c
3023 HUNTS POINT CIRCLE BELLEVUE WA 98004 co
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SITE ADDRESS-STREET.CITY.ZIP CODE 171
18881 E STATE ROUTE 106
BELFAIR WA 98528 1 -._,
NAME OF DESIGNER -- - - - -PHONE
CINDY WAITE ry
360-701-0205
NAME OF INSTALLER
PHONE 0 I N)
_
C
PERMIT TYPE(select one) DRINKING WATER SOURCE N fir I CD
RESIDENTIAL OSS COMMUNITY OSS COMMERCIAL OSS PRIVATE INDIVIDUAL WELL ff PRIVATE TWO-PARTY WELL 0
Z I CD
TYPE OF wORK(select one) to PUBLIC WATER SYSTEM BELFAIR WS
ff NEW CONSTRUCTION/UPGRADES [' I
REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) 0 TABLE IX REPAIR r
Ul
SUBMITTALS 0 SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE
h1 LOT DESIGN FORM(REQUIRED) SEPTIC DESIGN(REQUIRED) BEDROOMS SIZE co I o 5-WAIVER(S)(IF APPLICABLE) 2 101'X130'(DRY LAND) n r
DIRECTIONS TO SITE AND SITE CONDITIONS (ex locked gate) I C]
GO TOWARDS BELFAIR, TURN LEFT ONTO 106, PROPERTY IS ON THE WATER SIDE I o
OF 106. GO DOWN DRIVEWAY, SOIL LOGS ARE ON THE RIGHT SIDE OF THE
HOUSE IN A WOODED AREA. o I o
I
SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I (-'')
OFFICIAL USE ONLY BELOW THIS LINE
UPGRADE I FAILURE SOURCE(for reporting purposes)
❑VOLUNTARY ❑MAINTENANCE/PUMPING ❑BUILDING PERMIT ['HOME SALE ['COMPLAINT ❑OTHER:
i NSPECTOR SOIL LOGS
TOP
, 0^11r t 5/L CGMparieef awl'
�II COMMENTS/CONDITIONS
, k 7 :0- 12 ' S,/ (c*pac/ed q( a2-1y
fii-pTCEOTIEL]
: M 3 : 0-i i S,/ ChipaC4,1 cil RI JUN 0 7 2023
By firie
SOIL CODES: RECORD DRAWING AND INSTALLATION REPORT
V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTRAAELY 'R=ROOTS
REQUIRED FOR FINAL APPROVAL
INSP OR SIGNATURE DATE APPLICATION EXPIRATION DATE
APPLICATION APPROVED/ISSUED BY DATE
G /94A 6/(Z/zo 7-.Li
THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE
REVISED 12/7/2015
P
,
DESIGN FORM-PAGE ONE Assessor's Parcel Number: 1 2 2 0 6 - 5 0 - 0 0 0 1 3
A design will be reviewed when 3 copies of each of the following are submitted: 1 2 2 U G - s U- a 0 o 1--?
0 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..tlarimum paper.si=e: //"X/7"
�n 77 PARCEL IDENTIFICATION
,W
Permit Number: SWG v3 '"00ZZ6 Designer's Name: CINDY WAITE
Applicant's Name: WILLIAM VONG Designer's Phone Number: 360-701-0205
Mailing Address: 3023 HUNTS POINT CIRCLE Designer's Address: 80 E PICKERING LANE
BELLEVUE WA 98004 SHELTON WA 98584
City State Zip City State Zip
DESIGN PARAMETERS
Treatment Device
❑Glendon Biotilter 0 Sand Filter 0 Mound 0 Sand Lined Drainlield 0 Recirculating Filter.Type:
❑Aerobic Unit Make/Model BNR 600 0 Disinfection Unit Make/Model Other:
Drainfield Type 0 S SO
❑ Gravity 0 Pressure 0 Trench 0 Bed lid Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 2 ,% Schedule/Class NETAFIN
Daily Flow:Operating Capacity 180 gpd i Length 50 it
Daily Flow: Design Flow 240 gpd - Diameter 5'X5' in
Septic Tank Capacity(working) 1060 TRASHH gal Number 8
Receiving Soil Type(1-6) 5 y Separation .5 ft
Receiving Soil Appl. Rate .4 d/ft''/
gp Orifices
Required Primary Area 600 ft2 ' Total Numbe f Orifices, 50X8=400
Designed Primary Area 900 ft2 - Diameter .i 111 EMITTER in
Designed Reserve Area 0
g ft' / Spacin=�4 L1h 12 in
Trench/Bed Width 25 ft 4 yes ��9�// Manifold
Jr"oc Trench/Bed Length 45 ft Sc .� tie• f1 :� a..1�% IHEDUEL 40
o R 1 �ileasurements h �,. <N 1 90 ft
i l IlraTndea`Slo a 0-40 t`
P % AF 51004 . �
:"me+'NDY w• E A+1 1 in
New Slope, if/ t, % - ' �c.. „. Q ,t NER i ural'1. used? 0 Yes 0 No
Depth Mcavation Utz-slope 0 in EXPIRES 05/10/ Transport Pipe
from Origin 0
MP6gN COUNTY ENV S � in Schedule/Class SCHDULE 40
esigned Vert Separation 12 in ✓ Length 25 ft
Gravelless Chambers Required? ❑ Yes 0 No 0 Optional Diameter 1 in
Pump Required? 0 Yes A No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day G a
Dirt: in Elevation Between Pump& Uppermost Orifice 14 ft Dose quantity gal ` ,1A
`/
Drainfield Squirt Height/Selected Residual(head) 0 ft Chamber Capacity(flood) / „,-u U gal
Uppermost Orifice JHigher 0 Lower than Pump Shutoff Pump controls: Please check those required.
Capacity @ Total Pressure Head gpm 'imer lapse Meter blvent Counter
Calculated Total Pressure Head 1?, U4/ ft If Timer: Pump on Ok- G,Pump off ..re-P
Comments
S>< 1 „
i Os Coy, . 1 to pl,bkr &eddy` mo w,l t.,1l i bucAtle lire
1,4°cvai o P a /v -
� 9 �.D 1�d a��"� lv r j l Se/ c..yp .r?e'�,:i'a' :�a3.r..�:.:
r. " J ex,. Nett d-# 4-,owe ab g`us+if la/►. Esc q.L if P 0
DESIGN FORM—PAGE TWO Assessor's Parcel Number: 1 2 2 0 6 — 5 0 -- 0 0 0 1 3
Permit Number: SWG 122 /_ ..11- O 2O l3
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
66 Test hole locations g Drainfield orientation and layout Reference depth from original grade:
g Soil logs g Trench/bed dimensions and g Septic tank
66 Property lines critical distances within layout
P Q( Drainfield cover
tEl6xisting and proposed wells 10 D-Box/Valve box locations Reference depth from original grade
within 100 ft of property g Septic tank/pump chamber and restrictive strata:
l kMeasurements to cuts, banks.and locations P ► rf rn wi 0 Laterals, trench/bed,top and
surface water and critical areas Gd Observation port location bottom
/,Location and orientation of I1' Clean-out location 0 Curtain drain collector
curtain drain and all absorption g Manifold placement 0 Sand augmentation
components
g Orifice placement Other cross-section detail:
EZi Location and dimension of l Observation
primary system and reserve area 10 Lateral placement with distance ports/clean-outs
to edge of bed Other Information
0 Buildings
lif Audible/visual alarm referenced Yes No
g Direction of slope indicator
10 Scale of drawing shown on scale d 0 Design staked out
g Waterlines bar 0 0 Recorded Notices attached
1 Roads,easements,driveways. 0 0 Waiver(s)attached
parking ❑ 0 Pump curve attached
1 North arrow and scale drawing l' ❑ Evaluation of failure
shown on scale bar Non-residential justification
❑ 0 Waste strength
❑ ❑ Flow
DESIGN APPROVAL
The undersigned designer must ben ' ed by installer at time of installation ) Yes 0 No
Sign aCL,,.,e,
re of Designer Date
The undersigned has reviewed this design on behalf of Mason County Public Health and det4iPpO�
COUNTY ENVI
compliance with state and local on- ' regulations: ED
6//ZiZ0 Z' JON 1 2 2023
Environmental Health Specialist Date MASONCAUTION: DESIGN APPROVAL iS VALID ONLY UNDER THE FOLLOWING CONDITiONdq NMENTAL HE).LTH
✓ The design is stamped"Approved"by Mason County Public Health.
✓ 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. el \\t3
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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4.0 h9q;�ON COUNTY HEALTH
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MASON COUNTY ENVIRONMENTAL HEALTH
TABLE II DJA
Hydraulic Layout
OS-100 coils
Design Total # of Coils Dose Flush Excess
Flow _ Coils Lats. •er lat. GPM GPM TDH
300 3 3 1 . 12 50'
360 4 di 2.8 12 50'
450 5 5 3.5 12 5P.'
480 5 5 1 3.5 12 :ii
600 6 1 4. 12 �' 0' �/
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IND D D SIGEi /4
TABLE Ill EXPIRES US10'
Minimum Shoulder Lengths
05-50
Design Flow Minimum Shoulder Length in
Feet
240 28
300 33.5
360 — 44.5___
450 50
480 55.5
600 66.5
The dimensions in Table III represent the minimum required length of the outer
shoulder which include coils, spacing between coils, and shoulders. These lengths
can be extended to match site conditions. Minimum shoulder spacing is 6". See
illustration below for example of shoulder length.
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, ,, IM-1060
INFILTRATOR
septic 'Lanky
Features&Smelts
• Strong injection molded polypropylene
construction
Lightweight plastic construction and
li inboard lifting lugs allow for easy
delivery and handling
ftJ9fr
J/ J (( i Integral heavy duty green lids that Ili t" it• I 1, • interconnect with TWTM risers and pipe
i z: . \J riser solutions
R�[✓ t1[,t t K u�X- a[it K K R gt — a a *-A is iv ,: • Structurally reinforced access ports
` I• !" i Y t -i. . eliminate distortion during installation
i and pump-outs
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• 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 t design is offered with Infiltrator's lice of custom-fit I pump-outs
risers and heav d lids. Infiltrator injection molded tanks provide a ; • Suitable for use as a septic tank, pump
revolutionary ' ,prov ent in plastic septic tank desig 1, offering long-term tank,or rainwater(non-potable)tank
exceptional •Sngth watertightness. • No special water filling requirements
g ,c• s>T I are necessary
,�<v,�`f,,,A„ I Inlet Side
�P ' 4-) 2��2:,,� 1 i • The tank may be backfilled with suitable
TANK WA \ i1 trator _ _ native soil. See installation instructions
ioo4isi '� 4,��)Riser for guidance.
p� C,N Y E AIT Ystem -�
•
LICENS SiG E _
EXPtRES OS+tO,
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Partition . r'
baffle wall~' W1 t.
,1 F ` HEAVY DUTY LID
N. , l ,• : CUTAWAY
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- • -'1 / access port
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i " A f{ bulkheads i ` ,
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MID-SEAM CUTAWAY
" tt gY —_' 7 Reinforced water tight mid-seam
•�• �\ gasket ' connection
t; ;a .' ' ' 0VED
I!IN 1 2 2023
INFILTRATOR'
Protecting the Environment_with Innovative Wastewater Treatment SoluN v�ava6nitai Nral HEALTH
I_ __ _._.__._.._.__
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IM-1060 General Specifications and Illustrations
UF'n1:G STRAP LIFTING LUG .--R15ER COfrNECTON
7(TYPKAIw (ATCFAL) / TY rPICA:)
The IM-1 060 is an injection molded two piece mid-seam ,itT s.
plastic tank.The IM-1060 injection molded plastic design 'n Im�, . I � � ,
allows for a mid-seam joint that hasprecise dimensions A E" �'�•(r ip `�`T1 yr I ,r t r r�o� Q(► 1 A
for accepting an engineered EPDM gasket. Infiltrator's _( e J
gasket design utilizes technology from the water industry d ''C . I !� ►�� ° �LL�� ;,. 6B
1tl .w� `� 6� �i) EXTERIOR
to deliver proven means of maintaining a watertight seal. vilis - . A I' r I I �,_
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The two-piece design is permanentlyfastened usinga wy_'3 E II I
d' y.�;
P 9 ' I.1 j,,' R g 1
series of non-corrosive plastic alignment dowels and _�^iI1N �r�
locking seam clips.The IM-1060 is assembled and sold
through a network of certified Infiltrator distributors. L. -_ 127 0 132261 EXTERIOR LENGTH -.
Must be backfilled and installed in accordance with TOP VIEW
Infiltrator Water Technologies, Infiltrator IM-Series Septic oDTLET
Tank General Installation Instructions and for shallow �...,_..
ground water conditions reference the Infiltrator IM- �,.
Series Tank Buoyancy Control Guidance. 1, 54,
Please visit www.infiltratorwater.com/images/pdf/ 4�b�—b`d� ', ': E D
ManualsGuides/TANK01.pdf for the latest information. ,`r I' 1 EIGH U V
SEAM COP
(r�� {TYPICAL) ) j
iIM-1060
LIFTING STRAP �� - i_ l ..LL, V 1 2 2023
fTYP "—
1 Working Capacity 1094 gal(4141 L)
Total Capacity 1287 gal(4872 L) END t IDN COUNTY ENVIRONMENTAL HEALTH
KA,U
Airspace 16.5% DJA
Length 127"(3226 mm) 04(1021 0 24 16101 ACCESS OPEMNGS yew LOCKING Ior(I'
PVC DRABS 0 41f 021 PL'c OR
Width -------- 62.2"(1580 mm) INLET TEE —1021760i FREEBOARD ABSOO1t ETTEE
Length-to-Width Ratio 2.3 to 1 , 1StET I AIRSPACE I
}} OUTLET
Height 54.7"(1389 mm) PER ''0 J - i )
CODE " PER
CODE
Liquid Level 44"(1118 mm) 44.0 I
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----- -- FIBERGLASS�; ;Ills) FIBERGLASS
Invert Drop 3"(76 mm) SUPPORT UQUID —.SUPPORT
:TYPICAL.) DEPTH (I YPICAI)
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Fiberglass Supports2 ALL WHERE
REQUIRED
Compartments 1 or 2 `1�'�T`-,
Maximum Burial Depth 48"(1219 mm) SIDE VIEW
Minimum Burial Depth 6"(152 mm) .
Maximum Pipe Diameter 6"(152 mm) CONTINUOUSTANK TOP
Weight 320 lbs(145
HALF GASKET
�P �F TANK !(�)j
PtE,�o,( '* 9�F INTERIOR• 'III
) SEAM CLIP
�� ALIGNMENT g 1'l)
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I TANK BOTTOM
5100 J
BGs.ness Park O� IND ljE 1i HALF
P.O.P.0-Boat 768 LIC D D IGNE -
�Id Saybrook,
INFILTRATOR 1-800-221-4• a LA RES .15 1G MID-HEIGHT SEAM SECTION
1-800-221-4436
water technologies www.intiltratorswater.com
J.S.Patents:4.759.661.5.017.041,5.156.488,5.336.017:5.401,116;5,401.459;5.511.903;5.716,163;5,586.778;5,839,844 Cana9an Pecents:1,329,959;2,004,564 Other patents pencxlg.Infiltrator,Equa12e.
Oudr4.and SidaWinder are reg(stered trademarks of Infiltrator Water 1 echrapgies.Ia11tra;or Is a ragistered trar:emark'n France.InflRrator Water Technologies te a regsterea Iradwnark V1 Mex.co.
Contour.MiroLeahr4 PolyTuf.CharlberSpacer.Muh;Port.PosiLock,O,,cka:t,auxkPtay.SnapLock anc StreightLcck are trademarks of liEltratW Water l echnologles.
PolyLok c a trademark of PolyLok.Inc.1 JP-TITS is a registered trademark et TULTITE.INC.Ultra-P,h,s a trademark of IPEX Inc.
2016 Int ltrutor Water Technolo0:es.LLC.AS ri01us reserved Prated in U S.^_
Contact Infiltrator Water Technologies' Technical Services Department for assistance at 1-800-221-4436
INFILTRATOR WATER TECHNOLOGIES
NUWATER BNR600 INFILTRATOR IM-1060 DETAIL
SECTION VIEW
(NOT TO SCALE)
L 1
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VENnLATEC LOC 1"
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INFILTRATOR
.,LTRATOR WATER TECHNOLOGIES
4 FORROR PHI(Rd OR SRO...CT 05T1S
NUWATER 6NR-6D0 INFILTRATOR A!.1060
DETAIL SECTION VIEW
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ENSED DESIGNER, JUN 1 2 2023
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MASON COUNTY ENVIRONMENTAL HEALTH
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Headworks: HWN-.7-RF
• 34" Arkal disc filter, mesh, 130 micron
• 34" Arad flow meter
• Three oil filled pressure gauges
• 5 Netafim normally closed throttling solenoid valves
OSCAR-II Parts list.
Each OSCAR-II unit will include:
• LF1P-RF-BLWRR control panel PPR VE
• 1 /2 hp, 30 gpm Lowridge Onsite Technologies
• pump SUN 1 2 2023
• 0S-50 U1 OS-100 ecrits-- NI
• PVC fittings and drip tubing adapters MASON COUNTYENVIRONMENTAtHEALTH• HWN-.7-RF automatic headworks DJq
• Solid 1/2" poly tubing for connections
• 2 float switches
OSCAR-II coil Connections �P` �``" do u
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Manifolds and supply lines are 1" Sch 40 PVC
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Manifold and blank tech line adapter and connection.
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Blank tech liner and Bioline connection with internal coupling
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�_Screw "R pe Cap or Slip Cap J, Screw'T}pe Cap
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< 4" PVC Pipe I (Length Varies)
(Length Varies)
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Installation Notes APPRO
Nuwater BNR500 to an Oscar Distribution JUN 1 22023
12206-50-00013/12206-50-00014 18881E State Route 1�150ONryENVIR
virMENTA1. This is a failure, drainfield is filled with roots and deep into the originarsoil.WeLare Ltl
installing an Oscar over some of the existing drainfield.
2. This property is used as a AirBNB. Original system was a two bedroom. We are
oversizing.
3. Installer and designer must meet on site prior to installation.
4. Oscar drainfield: ASTM C-33 sand media as per Washington Department of
Health's Recommended Standards and Guidance for Intermittent Sand Filter.
5. Order NuWater-o kit that does not come with control panel, control panel comes
with Oscar Kit to serve both the NuWater and the Oscar
6. The 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.
7. Minimum of 6" of sand throughout out the lateral area, must be level.
8. Tanks should be traffic rated.
9. The tanks may be moved as necessary to accommodate building requirements. Septic
tank location must meet all required setbacks.
10. Keep wheeled vehicles off the drainfield area before, during and after installation.
Tracked equipment only,
11. 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.
12. Curtain drains can be no closer than 10' upgradient and 30' down gradient of the
drainfield
13. Exposed restrictive layers, cuts, banks, etc. can be no closer than 50' downhill from the
drainfield.
14. Install access risers on the septic tanks. valve box and ends of laterals.
15. Make sure septic tank risers are epoxied or caulked to cast in riser rings on tank.
16. Lids must form a water and gas tight seal with the access risers
17. Install effluent filter specified in this design at the septic tank outlet.
18. This system must be installed by a Mason County Certified installer.
19. Deviation from this design without prior approval from the designer and Mason County
Health Department will make this design null and void.
20. This design was sized per Washington Administrative CodeWAC246-272A-0230 The
operating capacity is based on 45 gallons per per capita with two persons per
bedroom. The minimum design flow per bedr er day is the operating capacity of
ninety gallons multiplied by 1.33. This resul n a 'nimum design flow of one hundred
twenty gallons per day. This creates a sur 'tctot, 33% but anticipated flow is ninety
gallons per bedroom per day. 4Y�AS
Y c ��.,�;
.)
21. Install laterals with contour of the grou �� ���-.f` o `i�
22. Install locator tape on top of all drainf. &la era . ()AD
O`er NDYE W I E 13
LIC S DES NER to
�.cYhtS :IStO/
System Owner Responsibilities:
1. Operation and Maintenance is required by Washington State Department of Health and
Mason 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. System owner agrees to read and abide by information regarding their system in the
User Manual provided by Mason County Public Health.
7. Keep the flow of sewage at or below the approved design operating capacity.
8. Keep waste strength at residential waste strength parameters.
9. Spread loads of laundry through the week.
10. Do not use excessive bleach or detergents with added whiteners.
11. Do not shower, do laundry and dishwasher at the same time
12. Antibiotics can kill or impair the biological process in the septic tank.
13. Leaky plumbing can hydraulic overload your on-site septic system.
APPROVED
J U N 1 22023
MASON COUNTY ENVIRONMENTAL HEALTH
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