HomeMy WebLinkAboutSWG2026-00176 - SWG Application / Design - 6/4/2026 M AS O N COUNTY 415 N 6TH STREET,SHELTON,WA 98584
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: SWG2026-00176
APPLICANT Micah Halverson Phone: 360-490-6365
Address: PO Box 1519 SHELTON, WA 98584
OWNER JOHNSON SIGOURNEY K Phone:
Address: 200 E ANN ARBOR DR SHELTON, WA 98584-7588
SEPTIC INSTALLER WES GRAVES* Phone: 360-490-9428
Address: PO BOX 1460 SHELTON,WA 98584
Site Address: 200 E ANN ARBOR DR
Primary Parcel Number: 421257790034
Permit Description: Repair 4bd sandlined bed
Permit Submitted Date: 06/04/2026
Permit Issued Date: 06/08/2026
Issued By: Rhonda Thompson
Current Permit Fees Paid: $845.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 05/11/2027 (based on date of inspection)
Permit Conditions:
I Approval of this septic permit does not approve the building location. Building location is
subject to approval from all applicable departments and regulations.
2 Proposed development subject to zoning requirements and approval by the planning
department staff per Mason County Title 17.
3 Permit must be installed by a Mason County Certified Installer unless prior written
authorization from Mason County is obtained.
4 Drainfield installation not to exceed designed upslope and downslope depth specified on
design form.
5 Installer is responsible for obtaining Mason County installation approval prior to backfill of
system components.
6 Installer is responsible for obtaining Septic Designer/Engineer installation approval prior to
backfill of system components.
7 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
MASON COUNTY DATERECENED: (
• • AMOUNT RECEIVED: RECEIVED BY: pV\
Public Health & Human Services 2rn
Environmental Health 360-427-9670,ext.400 or 360-275-4467,ext.400 G In
415 N.6th Street-Shelton,WA 98584 S W G _ v/` `.� 7 O O
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ON-SITE SEWAGE SYSTEM APPLICATION
0
APPLICANT PHONE rn rn
JOHNSON, SIGOURNEY �`� 253-224-6316 z
MAILING ADDRESS-STREET,CITY,STATE,ZIP CODE a
200 E ANN ARBOR DR SITE ADDRESS-STREET,CITY ZIP CODE
Shelton WA 98584 N z
,
Same as Mailing °;
NAME OF DESIGNER PHONE
Micah Halverson 360-490-6365 N
NAME OF INSTALLER PHONE I
Wes Graves ��'
IV
PERMIT TYPE(select one) DRINKING WATER SOURCE
Ivl(RESIDENTIAL OSS ��5,COMMUNITY OSS LI;COMMERCIAL OSS 1-U PRIVATE INDIVIDUAL WELL 1]PRIVATE TWO-PARTY WELL Z
01
TYPE OF WORK(select one) PUBLIC WATER SYSTEM I
NEW CONSTRUCTION/UPGRADES REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) ❑ TABLE X REPAIR
SUBMITTALS O SURFACING SEWAGE 62( EXISTING FAILURE ❑SHORELINE
DESIGN FORM(REQUIRED) ISEPTIC DESIGN(REQUIRED) BEDROOMS I LOT SIZE IWAS LOT CREATED AFTER4/1/20257 O I
19]WAIVER(S)(IF APPLICABLE) 4 1.04Ac ❑ YES Q NO 0 I
DIRECTIONS TO SITE AND SITE CONDITIONS:(ex.locked gate)
• Turn on Ann Arbor Dr from E Mcreavy rd test holes are marked with pink ribbon. lQ
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Discussed test holes with Rhonda o
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II
ID
SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I 'p
OFFICIAL USE ONLY BELOW THIS LINE
UPGRADE/FAILURE SOURCE(for reporting purposes)
❑VOLUNTARY ❑MAINTENANCE/PUMPING ❑BUILDING PERMIT ❑HOME SALE ❑COMPLAINT ❑OTHER:
INSPECTOR SOIL LOGS COMMENTS I CONDITIONS
SOIL CODES: RECORD DRAWING AND INSTALLATION REPORT
V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS REQUIRED FOR FINAL APPROVAL.
INSPECTOR SIGNATURE DATE APPLICATION EXPIRATION DATE APP ATION APPROVED/ISSUED BY DATE QAT THIS FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025
DESIGN FORM—PAGE ONE Assessor's Parcel Number: 4 2 1 2 5 - 7 7 - 9 0 0 3 4
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"X17"
PARCEL IDENTIFICATION
Permit Number: SWG X) 17 Designer's Name: Micah Halverson
Applicant's Name: JOHNSON,SIGOURNEY Designer's Phone Number: 360-490-6365
Mailing Address: 200 E ANN ARBOR DR Designer's Address: PO Box 1519
Shelton Wa 98584 City State Zip Shelton Wa 98584
City State Zip Designer's Email halversondesignIlc@outlook.c
DESIGN PARAMETERS
Treatment Device
❑ Glendon ❑ Sand Filter ❑Mound D Sand Lined Drainfield ❑Recirculating Filter ❑ATU ❑Other
Treatment Level(check all that apply): ❑A O B ❑ C ❑ BLI D BL2 El BL3 ❑ E ❑N
Drainfield Type
❑ Gravity l 'Pressure O Trench 5(Bed O Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 4 Schedule/Class 40
Daily Flow: Operating Capacity 360 gpd Length 48 ft
Daily Flow:Design Flow 480 gpd Diameter 11/4 in
Septic Tank Capacity(working) Existing 1200 gal Number 5
Receiving Soil Type(1-6) 1 Separation 2' On Center ft
Receiving Soil Appl.Rate 1.0 gpd/ft2 Orifices
Required Primary Area 480 ft2 Total Number of Orifices 80
Designed Primary Area 480 ft2 Diameter 1/8 in
Designed Reserve Area N/A ft2 Spacing 36 in
Trench/Bed Width 10 ft Manifold
Trench/Bed Length 48 ft Schedule/Class 40
Elevation Measurements Length 8 ft
Original Drainfield Area Slope 0 % Diameter 2 1/2 in
New Slope,If Altered " Preferred manifold configuration used? ❑Yes I 'No
Depth of Excavation Up-slope 45 in Transport Pipe
from Original Grade Down-slope 45 in Schedule/Class 40
Designed Vertical Separation 24 in Length <50 ft
Gravel-based Drainfield Required? Yes O No Diameter 2 in
Pump Required? 'Yes ❑No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day 18
Diff.in Elevation Between Pump&Uppermost Orifice 5 ft Dose quantity 20 gal
Drainfield Squirt Height/Selected Residual(head) 5+ ft Chamber Capacity(flood) 1500 gal
Uppermost Orifice C 'Higher O Lower than Pump Shutoff Pump controls:Please check those required.
Capacity @ Total Pressure Head 36.9 gpm Cf Timer O F1l�apse Meter ❑vEvent Counter
Calculated Total Pressure Head 14 ft If Timer: Pump on TBD ,Pump off 1:19
Comments APPROVED
JUN 08 2026
a lJ
MASON N i l leRhENTA ELT
Revised:4/14/2025
RET
DESIGN FORM—PAGE TWO Assessor's Parcel Number: 4 2 1 2 5 -- 77 -- 9 0 0 3 4
----- -- -- --
Permit Number: SWG , Oc)J - OO 17
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
Ed Test hole locations 6Z( Drainfield orientation and layout Reference depth from original grade:
66 Soil logs E6 Trench/bed dimensions and (Qf Septic tank
0 Property lines critical distances within layout 1,1 Drainfield cover
E6 Existing and proposed wells E6 D-Box/Valve box locations Reference depth from original grade
within 100 ft of property E9 Septic tank/pump chamber and restrictive strata:
6Z( Measurements to cuts,banks, and locations L1 Laterals, trench/bed, top and
surface water and critical areas Observation port location bottom
R1 Location and orientation of EZ Clean-out location 0 Curtain drain collector
curtain drain and all absorption Ef Manifold placement GZ( Sand augmentation
components
G� Orifice placement Other cross-section detail:
E6 Location and dimension of Rf Lateral placement with distance E6 Observation ports/clean-outs
primary system and reserve area to edge of bed
Other Information
E6 Buildings Qf Audible/visual alarm referenced Yes No
E6 Direction of slope indicator Scale of drawing shown on scale d ❑ Design staked out
E6 Waterlines bar 0 E'Recorded Notices attached
E�1 Roads, easements,driveways, El Elevation benchmark and relative 0 Rf Waiver(s)attached
parking elevations of system components O Pump curve attached
North arrow and scale drawing 0 E;Z1 Evaluation of failure
shown on scale bar Non-residential justification
❑ EI Waste strength
❑ E6 Flow
DESIGN APPROVAL
The undersigned designer must be notified by installer at time of installation Ef Yes O No
7ua (/3ft024
Signature of Designer 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:
Environmental Health Specialist Date
CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION:
✓ The design is stamped"Approved"by Mason County Public Health.
✓ The Onsite Sewage Permit has not expired, the Permit Expiration Date is: __ I��
v Drainfield site conditions have not been altered to 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.
This form may be scanned and available for public view on the Mason County Web site. Revised:4/14/2025
Page 1 of 5
x ON-SITE m
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TH1&2: 0-16" EGLS BENCH MARK ELEVATIONS
C5
16-69" EGCS BME1: 011 BENCH MARK/Septic tank outlet
BM 2• +24" New Pump Chamber location
Imo• O
69" Bottom of Test Holes BME3: +25" Drainfield Existing Grade I I co
BENCH MARK ELEVATIONS ARE I I N Q
TAKEN FROM ORIGINAL GRADE. I Z
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Property lines Established By Other—' L W
Fence— (V
10'X 45'Reserve Bed 5G96 0731
q 8 Ref.5WG96-0731 I
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W sfin6 Se , 5 , . k=� f ry�f :a 3 (!J
Wake I TH2.. .a.a.a s. I
— Trans BME1 BME3
BLD2006-01182 3 2 48'
Drainfeild Area Fairly Level I
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— Existing 00 z o
Single Family Home I N w
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Approximate Land Size 1.04 AC
/ Owner/
/ I Applicant:
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Water /
/ Imo— /- 1 I
1 Meter _ _ _ — — 48+
- - - - - - - - - - - - - - - - - 356'+/- J o�0 0
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APPROVED ���
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1)Sewage Cleanout
J i)N 082026 '�'�
2)Existing 1200gal Septic Tank MASON COUNTY ENVIRONMENTAL HEALTH p 0 rn
3)Existing 400ga1 Pump Chamber RET �
"Abandon Per WAC246-272A-0300 rjllr + S
UENGNER
4)New 1500ga1 Pump Chamber
5)2"Sch40 Effluent pump line E ROA, . O Q
CONTRACTOR MUST HAVE ALL UTILITIESLOCATED BEFORE CONSTRUCTION. 6)Diversion valve See Pg4 = m >
This is not a Survey.Site features,topography,elevations,and footages are based on data provided by the property 7)2 1/2" Manifold see Pg2 for details 30' 0' 15' 95' 60' I O c0
owner and from Mason County public records.This Site Plan and the Septic Design are intended for review by the I 8)Existing Liberty Pump Station I I d 2
Mason County Health Department and the contractor hired to install the septic system.Micah Halverson.sherson as the septic I 9)RV Dump
designer.hereby advises the prosy owner to use a licensed surveyor to prepare a survey of the land that discloses I Scale:1"=30'
the exact location of the property lines,elevations.topography.and footages.
Page 2 of 5
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48' m
r 2 z
0 30 MII Liner z ci, l
• 2 1/2"Elbow
2 1/2"Manifold(PVC.5ch 40)
21 Use glued bushings to reduce to 1 1/4"Laterals
21/2"Tee
2' Deep Port X O ❑
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2 1/2"Tee O
N.
Deep Port 2' 1/S"Orifices with Shields LO
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2 1/2"Tee
Z
2' k 36„ - 'I
11/4"Sch40 Z
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2112"Tee i LtJ
1'
-2X2 1/2"Belied Adapter
0- O
30 Mil Liner N
2"5ch 40 PVC.Transport line
SWEEP AGGE55/OBSERVATION PORT SeePg4 Valve Box
BED DIMENSIONS
4"-6"cap
Finished Grade
b"Max A P P O®V E 10'X 48'Sand Augmented Bed y
threaded cap at 480 Sqft Infiltrative area �ti
end of sweep App Rate: 1.0 gal/sgft/day(Column A) oo
Filter Fabric JUN 08 2026 Designed Capacity:480GPD
Operating Capacity:360GPD
MASON COUNTY ENVIRONMENTAL HEALTH 20 Gal. doses @ 18 per Day
Lateral per plan Q° ❑
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ll° 00 D o a RET m 0)
° a o o° washed drain rock'°r o° a 1/8"Orifices facing up with Orifice Shields S1Ga0D of a
4"-b"PVC..With Orifices 36"On-Center NPJMI71YwllilMIY91RON�
Drain holes or 16 per Lateral UCH DFiP1ER Z Z
Glued T 0 2.s' s' 10' 80 Total in Bed a
E &aonalz. W w
"Washed Drainrock"means clean washed gravel or crushed rock ranging in CN U)
Scale 1/4"=1' size from three-quarters inch to two and one-half inches,and containing CI '
no more than two percent by weight passing a US No.8 sieve and no
more than one percent by weight passing a US No.200 sieve.
FIN15H GRADE SLOPE AWAY Owner/
Deems Original Grade r ,
30 Mil 30 Mil 11 +Fill V
Liner Geo-Textile Fabric Liner J 00 0
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Finished Grade
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4"cap o v a U ° ao° a��°J�o c-.;iqp o°p`�; 7-0 n�o`c)- ! 2"of WashedDrainrockoverLaterals pO
valve box to grade o o" J°° 24 ° r p n ° :., ° , ° 9 1/4„ p Q 1 1/4" Laterals with orifice shields OO
o`-z c' n D n' n n O ° o' ,o ° o " u, o` �j b"of Washed Drainrock under Laterals
� r,�.-,�°� �M,!i�0 " r,(i «n �,�°U �,c�i n?' " o°�i°:-� 0 .,n°� o qo.-,G°J
4"pvc pipe wrapped in filter fabric W '� O
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filterfabric
0-69"Type 1 F -
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o Deep Port Imported Coarse Sand Media ""' 24 Imported Coarse Sand Media
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bottom of gravel layer
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1/2"holes drilled at bottom 6-S"
or 1/4"slit in pipe J >< N
rebar stub drilled through pipe Native Undisturbed Type 1 Soil 24+Type 1 soil (� U
with TLB&BL2 T m
02
Bottom of Imported Coarse Sand Media
Bottom Of Test Hole
10' Not to Scale
Page 3 of 5
X
Mo
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Parameters
• DischorgoAssomblySizo 2.00 inches 60 wnswo d"
Transport Length 50 feet 0
Transport Pipe Class 40 O O
Transport Line Size 2.00 inches d)
All inlet,outlet,crossover r
piping to or from tanks Distributing Valve Model None O
requires ASTM 3034 Max Elevation Lift 5 feet 50 r 17]
ror e better and must be PVC. use orenco HVX Manifold Length 8 feet If) Q24" access 2X with gas tight lids discharge assemblies Manifold Pipe Class 40 CV
(Anti-Siphon when pumping down slope) Manifold Pipe Size 2.50 inches
Finished Grade Number of Laterals per Cell 5 d' z
Exterior J-Box Lateral Length 48 feet -
X May use Orenco style Lateral Pipe Class 40 40
1500eal Pump chamber , Interior Box Lateral Pipe Size 1.25 inches i ll.l
check valve v
flow to soil dispersal unit Orifice Size 1/8 Inches = OO
.D m Orifice Spacing 3 feet p
Residual Head 5 feet ~
Flow Meter None inches d ii
conduit to control panel
'Add-on'Friction Losses 0 feet = 30 U—
inlet pipe (NO DIRECT BURY YVIRE) 2
Calculations E
Emergency Storage
igh Level Alarm float Minimum Flow Rate per Orifice 0.43 gpm — -- - - / - - C')
Place crossover pipe Number of Orifices per Zone 85
on native undisturbed soil Total Flow Rate per Zone 36.9 gpm ~ 20-- - - - - - -
or compacted soil Number of Laterals per Zone 5
to prevent settling.
No rk i n g Volume %Flow Different al 1stfLast Orifice 1.3
Pump Control float Transport Velocity 3.5 fps Cl Cl — Frictional Head Losses a
w C)Loss through Discharge 2.7 feet 10 Q
a Orenco PYU68 Loss in Transport 1.1 feet Q
w ump per plan: Z z
or similar Orenco product` — Loss through Valve 0.0 feet z o
PVA5005 Loss in Manifold 0.0 feet
sediments Loss in Laterals 0.2 feet 2 o W
:: t;,_.•�,.:•:::..::.�.�..<•-S::' ..... ..,.1.:;:_:::._•.s:..:cr-:>_.._.r:: .:._,•_:;z�......................... .Loss
� r _ Add-on FnctionLoss s 00 feet 80
Loss through Flowm t 0 0 feetN U)
�� _ _ 0--0 10 20 30 40 50 60 70
or Pe Gr vel' ad a a
- - Net Discharge(gpm)
Pipe Volumes
All Tanks must be on YVashington Dept.of Health registered list of sewage tanks. Vol of Transport Line 8.7 gals
All tanks must comply with capacity ratings,usage and limitations on list. Vol of Manifold 1.9 gals
https://u.. w.doh.wa.gov/Portals/1/Documents/Pubs/337-046.pclf. PumpData Legend
Vol of Laterals per Zone 18.6 gals Owner/
Traffic rated tanks and lids must be engineered by manufacturer or licensed engineer. Total Volume 29.4 gals PVA5005 High Head Effluent Pump System Curve:
g g 50 GPM,1/2HP Applicant:
Install Tanks according to manufacturer specifications.
If tank hole is stony or hard pan tanks must be bed onto 3"sand or pea gravel. Minimum Pump Requirements 115V 10 Pump Curve:®
Design Flow Rate 36.9 gpm
Pump Optimal Range:
Total Dynamic Head 14.0 feet r ,
Operating Point:® . CO O
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Design Point:wo M
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APPROVED �, o
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ry1b Orenco JUN 0 8 2026
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MASON COUNTY ENVIRONMENTAL NEALTH M
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IJCEM6ED t)E81t3PfER
Install Orenco Pumps and Products per Manufacturer install Procedures.
• https://www.orenco.com/
x Page4of5
External Splice Box 5
-2 p Universal Biotube® Pump Vaults li
Co DIVERSION VALVE Applications Standard Features&Benefits For use with Orenco®4-inch(100-mm)Submersible Effluent Pumps N
Orenco's External Splice Box is engineered specificaly for pressured water and •Watertight for pro- •Bottom entry allows
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wastewater treatment systems and is especially suited for use in locations prone to longed submergence conduit or otters- General
high groundwater and other wet conditions.It attaches outside the access riser of an per UL feting(Type bury cable to always Applications
underground tank BPI remain below mini- Oren Biohrbe'•Pomp Vaults are used to ftlrelfuent that is pumped lire Oren Blotdtntenae Pump Vaut includes a mottled yeed of p'lene hws-
2"PVC Sch40 to Existin Sand Au mented Bed •Attaches ouske of mum burial depth from septic tans or separate dosing larks In SIR systems and onsite ngwhSr line df3 duhenrpnddge censtruc eddpo Dopy ere
g gAftadledmrtc4ra me sire, and PVC.sdleNle 80 PVC support pipes are Included to surd the
ElferrurSR'xe BaxaMws an efaLkzn access ricer to allow •Molded of wastewater treatment systems.They remlwe tee-thirds of suspended ar,e tea tank operft'Eadm-68-yrh(1727-mm)vardls,which rest
(Future reserve upon reinspection) hx�- Inspectionwilord Ue-resistant PVC, solids,onaterage.Poem vaultshuseaBiobbeeffuentfiterandone snowUcetsen tlorerates onread�co ropest pipes,� ab�. L.L
ro accxssWunP winn9,Vwtoyenkr8
- - ' - ee dse,ua opening riser lid suitable for cold te two Oren high-head effluent pumps and ran ceIced le sNgle- The filler cartridge can be rammedd wAorout putting the pump otee Vault. o
"Y �`, •Allows more equip- weather eerosure and compartment septic tools with flows up to 40 gpm(2.5 Vse4 Wlcen Effluent enters through hOot holes around the perimeter of the Biome
mentor increased outer appGpllons Tows are greater Than 40 gpm R•5 Usec),a iou9e-campamneet seµ yeglt and flows tuwgh the Bads retire e#emal flow Ilducer.The O)
tic tank en separate lbsng fan*is recommerdcd. 1
_ wMdng room in risen. •Includes a Wiser epemaf tfow tower accanunodates one errors t�IP%Oren Brohme
2" Ball Valve turned Off r Lee otasmaner• a0apterdedgnedIs PenpVauls are covered b/OS.patens04,439,323 and 5,492V35. r 0
„ q diameter riser provide a watertight _ N
s--J 5 "7ea•e.+3+i°�-.• •Volume of 126 iris connecboe seM'een thmppertplse
— ma inehoeend Standard Models to
r✓ e sy wiring binds cess riser I PVtl48-1818,PVU57-1819 PVlffi8-2419,PW54-2419,P0006.3625 C".)
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and attrommadafas •Includes three cord � j r
Flow _ *� r multiple cubing grip plugs to seal Product Code Dia ram C Z
configurations unused cord grips 9
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2" PVC T ? err Optional Features&Benefits Edemalnt two er
T.rworoew '1
•Can he suppled with •Hours for trio sets al Own (� tL
2"Sch40 Effluent Pump Line = 1 b3P am m
dry der plates hat w ng ens(C ass t en - n 4aepbesxaae w r
T 2" +�g� _ separate the splice and either Clas 11 or _ rm,me mycmvw: C)
Ball Valve turned On z boxntotwoampart- Class 110 for high and IX03D3DM CD
mans,with two cord b',vwtage:iceludes .. ray
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grips and one conduit a PVC cenILB plug w uasmm
hub In each for dosing off the Inlet hwdes *. I•ars
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compartment second conduit hub if re-crews
sauna
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scums 2" PVC Sch40 to New Sand Augmented Bed
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Side view ° 'ancna•mw•m
roe EutesaerndwUNsaP•TYaa
Notes:Valves must be accessible from finished grade. urn � 4P•,='
rwhaeaut tare G•raeeg(r Tank Access and Riser Diameters Materials of Construction
Dmadswmw. .
siareetet In.(mm) PV(1 with Pylt with 0,gpdd ppe W.V.BO PVC
simplex pump duplex pumps Bbluae"vme Pdyefhylre
o Talc a eoy minimum 10(483) 1014531
To Order Creneo Tanka4resa.recommeMM 20(508) 201508) Rate Mareretfdge PWapmPa4enePYC ❑
Fro your nearest Orrnco Ostributre by sling Oren at 800-348-9843 or clicking pisr,Mlumun 2410001 30(7501 Rot riem Stlled:de u0 PVC 0 LO
•Cistrbumr Locator'at oren.cem. S Y S T E M S gran valise boa Pekprapytena co
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Coarse Sand Media Per: DOH 337-013 <o
SETTING PUMP RUN TIME MVP Simplex Control Panel I coCn
Coarse Sand Media Specification-The filter media must meet items 1,2,and 3 Applications FeaturesfUnique Specifications m
oM--WP simplm 6trfd Pamda P.&thed.mameMmwg lnsaclrrvs pemh«nwo.eeeauon.rmuwmerorormt 'c6
below:(Source:State of Oregon On-Site Sewage Disposal Rules and the State of Pump On Time:TBD Pump Off Time: 1 hr 19 min `ad pl a� ` rj51FPf •w�A"mn•"a1.tk,.d-adrwndeMa,dao l
Wisconsin Single Pass Sand Filter Component Manual) •Boemrdap dame—ad w mmS
A➢LISPewpore'sucua anmryr0e cosorsSrvm6le bk In a d'W dial
mn.Drd ,g6mawamMo.urnamasmdolelidwig. •seed m,mmuh nwuWaim1%
1. Particle size distribution: 20 galper dose ran ton(�allydu grwvmndpre®1d.ah-brbosddnren•ter •Maaantbmasonpsfrmauaedopn0 drwgnrmal and Doak
and mental PM,mdtbv
18 Doses per Day •teabnpado nw.nrrrmo-aeneaowmuu eaawa
Sieve Particle Size Percent Passive Pd W-Mvnm Owner/
Operating Capacity:360GPD •earleeoeaprmklsdtadun,apandnmeyam
oph.anana-mmabm,m•etaideardrabramador Applicant:
3/8 in 9.50 mm 100 ,L.:;iT �i e06�
Set On Time:-Fill pump Chamber 2/3 full of water. _ e mod" d�12^°"°p er
No.4 4.75 mm 95 to 100 brat d
No.8 2.36 mm 80 to 100 -Remove end caps from lateral sweeps. �'_'1` r+ :, °;° m 4
-Run pump and flush all lines. L i ®!, .l,swoowmodddnwtlraaIucgurs (�
No.16 1.18 mm 45 to 85 -Put test caps on end of sweeps. •won WUwserr ,p esre J d
No.30 0.6 mm 15 to 60 -Measure and adjust(if necessary)squirt height. "°" "°°�"""°s`•Spam ram wa��a It508 m.dlhUSa,,���d
op ♦O+
� •IA 506 G5rynl4iab ru,e0a � � U
-Remove test caps and install screw caps on sweeps. Co
rrerridTerxmot vxmmdrr<waL: O
No.SO 0.3 mm 3 to •� at� Standard Models
-Measure pump Chamber liquid level. µypg,gt,Nyp.�µ O
No.100 0.15 mm 0to4 -Run pump for one minute. r®• O
-Re-measure liquid level in pump chamber. Materials of Construction Product CodeOiagram •�
2. Effective Particle Size(Dos):0.3 mm—0.5 mm O
-Calculate pump on time to get 20 gal dose. Oxoemee a MVP-s❑❑B1wO
BWuM eouaemnduovrru,00wuot
3. Uniformity Coefficient(D60/Dio):<4.0 wa sa.ks rd ��maa�aawdm� Q
have sbn,�v,d 5._.,w yr Qrr3 V
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Screw All Lids Down Specifications°^-^�
/y/I��1y,� ��,p/'///p Irp1'�r 1IrfI'I��pry, EeYefah deitlgs4emvnbartleML I^
enda.o apssntnry nansenll0m :Kkwory bi n T V/
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rp or,n.spmmt 5.40311 x:rmrzNVM L to
rumor p 50ed p Y rmaACl m 0.75tm.16a 1 Time.0w s,e:mcera2N
JUN0 8 2026 m w p rsd am 1m l'M•l tye 75w'o 16 A.1q,s,60ee uvy y®y
* Sand Must be water leveled before Drainrock is pia( _ 240yAG 3 tp 224s 16 A.1-d¢te.00wh X
., •wm•amrmm.aru•mmw•aa•emo•rosm•mrm. L
MASON COUNTY ENVIRONMENTAL HEALTH ,,r,„50 m
After placing 24" of Sand Media use sprinkler .rdoan,or hand water sand. This will ensure that sand RED _ a =
UGNER settles evenly. After sand has settled confirm
24" of media depth, add media if necessary.
Page 5 of 5 NOTICE TO PROPERTY OWNER
INSTALLER GENERAL NOTES This Septic Design has been created based on the most current regulations found in M Z
- Contact Designer at least 24Hrs Before install. the Washington Administrative Code, Chapter 246-272A, and the Standards and z Ln N
s - Drainfield may only be installed in dry weather conditions Guidelines adopted by the Mason County Health Department, all of which are to W
CU - Installer must divert all stormwater away from all septic components protect public health. N
- Drainfield Must be dug Level and Accurately.
- Disturb as little native soil as possible when and if clearing is needed. The property owner is aware it is the property owner's responsibility to obtain all
- Use tracked vehicles and equipment to build drainfield. d
- It is advise to place a rebar stub near observation ports and valve boxes for future locating, necessary county, state, and federal permits before the commencement of any co
-Threaded caps at end of laterals should extend within 6" of top of access. development of this property or the installation of the On-Site Sewage Disposal o o
-Tanks Must be on certified list of approved tanks from DOH System (Septic Project). 6' O
-Tanks are to be Bed onto 3" of sand or Peagravel or to manufacturer specs. N-
- Installer may use equivalent products meeting same standards with Owner& Designer consent Neither the Designer, Micah Halverson nor the Mason County Health Department are
-After squirt test has been performed a draw down test in pump chamber is needed to establish responsible for any disputes which may arise between neighbors, or contractors, CN Q
pump run time. subcontractors, suppliers, and engineers that are chosen to work on the Septic N Z
- Emergency Disconnect and Pump Controls Require L&I inspection and permit Z�L
g y q p Project. If this land is in a development that has a Homeowner's Association, it is the _
-All Electrical wires should be placed in conduit and No direct Bury wire should be used owner's responsibility to review and discuss with that governing body if the °�
- Contractor is responsible to get underground utilities located before construction property p y % w
- Place all components according to this design Septic Project is subject to specific protective covenants, restrictions, rules, or c o
-All Materials and Workmanship must meet county and state regulations regulations that would prevent the installation of the Septic Project. N
- Deviation from this design without approval from designer will make this plan null and void.
-Designer May have additional Charges for redesign work and final inspection The Designer, Micah Halverson, and the property owner(or the person representing o
-Owner is responsible for all permits and fees including any HOA/covenants rules,fees and any approval to the Designer that he/she is acting as agent for the owner) have signed an
process required. employment contract, whereby the Designer has prepared a septic design for an On- ,
-Designer requires "Owner"to approve the installation,methods and components used by installer Site Sewage Disposal System for a residential dwelling on the land described herein.
before final approval by designer.
- Installer must follow all conditions from Mason County All additional work by designer is subject to additional payment. Additional Work
- Reference additional design form attached to this design.
- For any questions Please contact Designer at 360-490-6365 includes site visits, revisions, record drawings (aka Asbuilt), consulting with owner's
engineer, project manager and/or county officials. Designer does notwarrant his work 2o
to Owner's transferee or buyer. o
m°'
The property owner shall be responsible for establishing all property lines, easements C z Z
and if an easement for any septic drainfield, tanks, pipes ,wires or ingress/egress, a o
establishing/locating the boundaries lines of that easement. z o
çfth
N[n
The property owner shall assist designer and installer in locating all known wells,
surface water, critical areas and buffers within 100' of the property.
Evaluation of Existing Sand Augmented Bed
Existing Sand Augmented Bed has become plugged with an excessive Bio-mat,I The property owner is responsible for all costs associated with the employment of
and is no longer able to except the designed wastewater flow, contractors and those materials/components used in the installation of the designed Owner/
Over time the existing Bio-mat in the failed sand bed will break down. I septic system. Applicant:
Upon reinspection this may be a good alternative to a reserve drainfield.
The property owner is responsible for all future maintenance and inspections as
adopted by Mason County Health Department co
APPROVED
C rn o
JUN 08 2026 O) CtiO
ry� MASON COUNTY ENVIRONMENTAL HEALTH d) o °
RET L
Non-survey equipment was used to determine if p
the proposed site would be suitable to support an i aa)
On-Site Sewage Disposal System. The following L_ In
Suggested Minimum Maintenance Schedule a equipment was used to prepare this septic > X 0
Sand Lined Beds should be inspected annually by a professional operations and maintenance specialist. design: Kubota excavator, Spectra Precision (o 0
-Bio-filters should be inspected and cleaned yearly. Laser level (model#LL500), Komelon Steel = m >
-Have septic tank pumped and cleaned regularly. every 3-5 years Ems aaner2Z Tape (model#N5300, Stanley 30'tape, Suunto O 5
-Pump Chamber should be pumped and cleaned if more than 6" of settled solids occurs. Tandem Clinometer and Compass, and a Keson
-Yearly maintenance should include proper pump and panel operation. A draw down test is recommended to ensure orifices are clear and system is dosing correctly. Wheel Tape (Model#R 1 . Software used
to prepare this design: Chief Architect Premier.