HomeMy WebLinkAboutSWG2025-00363 - SWG Application / Design - 9/10/2025 (2) ON, A1~ �` ���®� ®���� 415 N 6TH LTON: SHELT 98584
SHELTON:360-427-9670,EXT 400
�, BELFAIR:360-275-4467,EXT 400
.,.,:, .--- 1J Public Health & Human Services ELMA:360-482-5269, EXT 400
FAX:360-427-7787
On-Site Sewage System Permit: SWG2025-00363
APPLICANT WILSON GREG & KELLI MICHELLE Phone:
Address: 3316 18TH AVE S SEATTLE, WA 98144
OWNER WILSON GREG & KELLI MICHELLE Phone:
Address: 3316 18TH AVE S SEATTLE, WA 98144
SEPTIC DESIGNER PAULA JOHNSON* Phone: 360-898-2255
Address: 171 E VUECREST DRIVE UNION,WA 98592
Site Address: 81 N Diamond Head Dr
Primary Parcel Number: 323095300028
Permit Description: New 3BR SFR -Gravity Bed
Permit Submitted Date: 09/10/2025
Permit Issued Date: 02/11/2026
Issued By: Jeff Wilmoth
Current Permit Fees Paid: $555.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 09/10/2028 (based on date of inspection)
Permit Conditions: .
1 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/onsiteloss-inspection-request.php or call:
360-427-9670, extension 400.
OFFICIAL USE ONLY
MASON COUNTY�q DATE RECEIVED: O q + 1 0 — )
'' {(�„ tee! U Vr� cn a.
sir, prt ,,. AMOUNT RECEIVED RECEIVED BY: CO Cr)
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, � Public Health & Human Services ��j5 G c m
Environmental Health 360-427-9670,ext.400 or 360-275-4467,ext.400 N
415 N.6th Street-Shelton,WA 98584 S W G 9�.\. - i c 3(� N O
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ON-SITE SEWAGE SYSTEM APPLICATION n >
E 73
m n
m APPLICANT PHONE m
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Greg & Kelli Wilson (206)914-2667 c
MAILING ADDRESS-STREET,CITY,STATE,ZIP CODE 2 Z q �'�•• p g
3316 18th Ave S c. `:-/' Seattle WA 98144 o m
SITE ADDRESS-STREET,CITY.ZIP CODE �•f �7
81 N Diamond Head Dr c.„,, Lilliwaup WA 98555 I `''
NAME OF DESIGNER il PHONE
Arrow Septic Designs, Inc (360) 898-2255
NAME OF INSTALLER CO PHONE v I W
C I
O
PERMIT RM� TYPE(select one) DRINKING WATER SOURCE ,^ O
fi i: 9._h=,RESIDENTIAL OSS COMMUNITY OSS EL-.0COMM SS 51 PRIVATE INDIVIDUAL W Ji ELL PRIVATE TWO-PARTY WELL 0 I
•
TYPE OF WORK(select one) VI PUBLIC WATER SYSTEM r
WINEW CONSTRUCTION/UPGRADES p„.�1REPAIR/REPLACEMENT OTHER DETAILS(select all that apply) 0 TABLE X REPAIR I I
SUBMITTALS
SURFACING SEWAGE 0 EXISTING FAILURE 0 SHORELINE W
PliDESIGN FORM(REQUIRED) SEPTIC DESIGN(REQUIRED) BEDROOMS LOT SIZE WAS LOT CREATED AFTER 4/1/2025? S I W
3 BR .22 acre C) I I
7
�iWAIVER(S)(IF APPLICABLE) O YES Q NO
O
DIRECTIONS TO SITE AND SITE CONDITIONS:(e.n.locked gate)
Go out US-101 N toward Port Angeles. Drive for approx. 22 miles and turn (L) at Colony IQ
Surf. Turn (L) onto N Diamond Head Dr. Destination on (L). Yellow sign: "Wilson" r I o
RV on lot-walk down trail on (R) side of lot down to drainfield.
N NiI
co i
SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. I CO
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/CONDITIONS
. .-S 2�60
0 J
Lc D A �
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 DATE APPLICATION EXPIRATION DATE AP LICATION APPROVED/ISSUED BY DATE
get00, ,,,,\)(-N
ORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025
I
DESIGN FORM—PAGE ONE Assessor's Parcel Number: 3 2 3 0 9 - 5 3 - 0 0 0 2 8
A design will be reviewed when 3 copies 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.
d 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"
L+l a' ,,,. , ,_..PA`RCEL'IDENT CATIONz . ...., 5.:,'''''-V,,-,-: '','':<Y,',:''''''.. , e ..,....',-,,,':-'',':';n" ...
Permit Number: SWG p0.16 -003(03 Designer's Name: Arrow Septic Designs, Inc
Applicant's Name: Greg&Kelli Wilson Designer's Phone Number: (360)898-2255
Mailing Address: 3316 18th Ave S Designer's Address: 171 E Vuecrest Dr
Seattle WA 98144 City State Zip Union, WA 98592
City State Zip Designer's Email paulaj@hctc.com
.,_;;..4 ,- _ :..; _. .g't t. ,1:„..,,, ,., ., 1,� DESIGN 1PAITANlETERS'., .,i'V, . ?., „ .,..`46:. _ . .. a. ,
Treatment Device
O Glendon O Sand Filter O Mound O Sand Lined Drainfield O Recirculating Filter O ATU U Other
Treatment Level(check all that apply): O A O B O C O BL1 ❑BL2 O BL3 ❑E O N
Drainfield Type ,..,/
' el O Pressure O Trench Bed O Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 3 Schedule/Class 2729
Daily Flow:Operating Capacity 270 gpd Length 45 ft
Daily Flow:Design Flow 360 gpd Diameter 4 in
Septic Tank Capacity(working) 1,200 gal Number 3
Receiving Soil Type(1-6) 3 Separation 3 ft
Receiving Soil Appl.Rate 0.8 gpd/ft2 Orifices
Required Primary Area 450 fe Total Number of Orifices --
Designed Primary Area 450 ft2 Diameter -- in
Designed Reserve Area 450 ft2 Spacing — in
Trench/Bed Width 10 ft Manifold
Trench/Bed Length 45 ft Schedule/Class 2729
Elevation Measurements Length 6 ft
Original Drainfield Area Slope 6 % Diameter 4 in
New Slope,If Altered,. .. 6 % Preferred manifold configuration used? NiYes O No
Depth of Excavation `'Up-slope 24 in - Transport Pipe
from Original Grade Down-slope 17 in Schedule/Class 3034
Designed Vertical Separation 36+ in Length 80 ft
Gravel-based Drainfield,Required? lfi Yes O No Diameter 4 in
Pump Required? O Yes ESNo Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day --
Duff.in Elevation Between Pump&Uppermost Orifice -- ft Dose quantity -- gal
Drainfield Squirt Height/Selected Residual(head) -- ft Chamber Capacity(flood) — gal
Uppermost Orifice O Higher O Lower than Pump Shutoff Pump controls:Please check those required.
Capacity @ Total Pressure Head — gpm O Timer O Elapse NO ,u,n e e O Event Counter
Calculated Total Pressure Head — ft I@im Pl,trip I- g p off —
Comments
FEB 11 2028
Wpm mnl INTY FNVIRONMENTAL HEALTH
J IN Revised:4/14/2025
1e&
DESIGN FORM—PAGE TWO Assessor's Parcel Number:3 2 3 0 9 - 5 3 -- 0 0 0 2 8
Permit Number: SWG
DESIGN CI3ECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
❑ Test hole locations 6S Drainfield orientation and layout Reference depth from original grade:
6t1 Soil logs lid Trench/bed dimensions and g Septic tank
[id Property lines critical distances within layout l' Drainfield cover
❑ Existing and proposed wells liti D Box/Valve box locations Reference depth from original grade
within 100 ft of property lid Septic tank/pump chamber and restrictive strata:
171Measurements to cuts,banks,and locations l71 Laterals,trench/bed,top and
surface water and critical areas 66 Observation port location bottom
❑ Location and orientation of 0 Clean-out location 0 Curtain drain collector
curtain drain and all absorption lif Manifold placement 0 Sand augmentation
components O Orifice placement Other cross-section detail:
RI Location and dimension of Lateral placement with distance lif Observation ports/clean-outs
lifprimary system and reserve area to edge of bed Other Information
EZI Buildings O Audible/visual alarm referenced Yes No
6d Direction of slope indicator II Scale of drawing shown on scale El O Design staked out
WI Waterlines bar O g Recorded Notices attached
i1 Roads,easements,driveways, El Elevation benchmark and relative 0 lif Waiver(s) attached
parking elevations of system components O 61 Pump curve attached
Z North arrow and scale drawing 0 g Evaluation of failure
shown on scale bar Non-residential justification
0 g Waste strength
❑ Ill Flow
D 4P • VAL
The undersigned designer must be notified . i v> i ,t: ;i;k •llation lif Yes O No
•
Signatur ti .`.il� ea.. l
Date
EXP*Ft `b9I15/ '
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-,sits regulations:
E it ental Health�ialist 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: _ -r eal
✓ 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
•
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SURVEYOR'S CERTIFICATE � A�®. 4 APPROVALS•
•
THE ®�®
• I,CAYIO E.PAULSON,DC HERESY CERTIFY THAT SURFTHEV iAEy.I NEO ENO.PPPOVCC 1,•.5 •¢nJ.y:i
PLAT CA COLONY SUITS N0.F IS TIOED ,TR A2 ACTUAL A0IJ� p
SURVEY AND S,TRAY THE CF SECTION Cr RSE 17 N.,N. 4p...)^--"
5'W„B.Y. i TM ET THE DI:.TARCES.COURSES.•110 /B�
ANGLES ARE SHORN PJEREON CORRECTLY;THAT TK.MDL SEC.9yT 23N,R.3W,W.M. MASON CO SAX IY'ViiN
MEWS NAVE BEER SET,AND LOT AND BLOCK CORNERS -.: iT.YI'.•[ .[. .. 4�..•.•
STAKED CORRECTLY OR THE GROW; THAT I FULLY CON- • INDI:I.:.,u _T WA 4� .•S: VA.IACI I
PLIED PITH THE PROVISIONS OF THE STATUTES 4110 MASON COUNTY,WASHINGTON ,. rf "'dam` tea//"'
REGULATIONS GOVERNING RATTING AID THAT 17 CON- S/JIPM'T! !NrllovT4 9 17.,,,,,,-,47.,..../.0._,.D.P//.
FORMS TO THE APPROVED PRELIMINARY PLAT ARO THE rJ2 0!•SON NT . IiTRICT •
1.
CCNOITIONS OF APPROVAL TKREOF.' F ZGG9.!]K .MT,CM 'j} y/WY / "
-1'....:7..... A k a• TAT TfJt�' ItlQ5E.D ND APPROVED T+Is _'+AT OF
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ctil // `— '4.1,
u .f//.� ..1 /u iJH� 1969.
Z MASON COUV SSESSOP [W
Y' " 5 1/l a�` ''x^1 JN•M'• / E I��E1III HEO ANC PCVIO*+e V• , - r.Npp' N,0.J ` a XI..•LT 1969.
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�'""�../ ' g '.� W..M.J0HNSR4/ `M CNA IRMAM,MISC C.um1T
L 1.. c„A,N.NG COMVIS5ICN
�'`,C' 8 = •8 33 COMP!RTTEL v i/,J1 .
h, % $ ' 'f1 C. I IM1LU In appp,9 I-.�_.A•+'
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F F ` •''••` 4 'v,. AIRMAN•BOARD OF CLONCH COWISSI..NSA.
a a x• "_ �,tt v�pa/ t30 •:y`t1 c RB iS 27 `'q,E
MASON COUNTY, NASnI VG"Ox
r .. • ' Y a. N ti K ...• ATTEST
of
CLERK, 80100 01 COUNTY VAI',O..;
....... 8637 `_q Q' .. \{• e. ', (i Nr.,—,,• L C• MESON COUNTY,YASNINLION
‘,..._S:�---E-- ° I„°•'�� (OEteo 41 ego •� TREASURERS
'� ^� `�'.`''' BG *1 1s' `6',i,%4 CERTIFICATE
•.. ; •,'.. Yaf/./ ,• ••II H,, A' rU.P J . '', 1 HEREBY CERTIFY TRAY ALL STATE
(' (1- :43 ,• v,( ,,EI/4, _.'I 1R.t0 I- • p'D ( AND COUNTY TAKES,HERETOFORE
d� _ FPa✓ �� E E 47 a �•`1 L I"'50 - LEVIED AGAINST THE PROPERTY
`C,®®<A „�` - gig P0 A. 5 ,/46 FF =j �' OESCPIBEO MCREOY.ACCORDING TO
`Q' V (• 4 t ,J A,. t r•!!'' THE BOOKS AND RECORDS OF YY
k-1 - t I BA • EJ 39 `49 I F yL 1E. pd, �' �►;. ` - r O - D[{ICE.HAVE BEEN FULLY PA 10
C'J d2 e•F• p y4S J•s t'i x,5'1 - �Ip OI st HARGEO, INcwDING
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?! 'h,A # _ t.>�4 4/ 1U f3 •. WAa. HF•A LJINE'
N-• !� 8V+F i .�` .N.T.M TREASURE OF MASON COON
�! ` h 5 pt •yam I ` 1t yC • 0yA'{44 J. If 4 •: 37'A• a WASHINGTON
.C '�U�• 4 .1. i'14' j ! Yet J H. A.4rq•
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a`FM" t T yfe A..,••' ,-;�, 4 T.
i ,�•/' of 'may a e<r •.'o ‘a n +ALL LOTS. ALL BE SUBJECT TO AN EASEMENT 5 FEET IN'WIDTH
,'•� 1,,_.1 /.rM y Q iyN.:. �.An,.ARALL.' AND ADJACENT TO"ALL LOT LINES,EXCEPT THAT THIS
•L,LL '+ fS ' L JfyrVNN .Tai . • 1-_, ,'T` ' :' EASENERT L BE 10 FEET IN WIDTH ALONG LOT LINES'WHERE LOTS
AC. j I `��1A %L fit G�5 �yw �� r' ARE KT CO;1.V0US FOR PURPOSES CF INSTALLATION AND WINTER.
micte.rers, LiN,IPxr 8 7 V 54 A`'.664I �//V " vC 'a � . ii M '• •• �' ANC(OF •,;TIES AND DRAINAGE AND ALL LOTS SHALL ALSO BE
.POA/TIO-W - ,-me a•• /CTOF 'S.„•' IS t' 0.0m .4M SUBJECT VZ� if GNI OF OVERHEAD EASEMENTS OF ELECTRIC AND
--�' TELEpNO ra•n'!o, TJ0.00 • __ OVER PORTIONS OF LOTS WHERE POADNAY CURVATURE
3.45 iYIERSIC.9,T.I3N.,P.3Yr W/#1cAusEs T TO OCCUR.
�,f,�"O,.• (.:':.a:is'ry Cr.,. .R...Y�7 _A`.f IBBRESS AND•i SS•EASEYENT OVER;'ANO ACROSS`JNE FRONT
20' OF AND 25.
COVENANTS LEGAL DESCRIPTION N
KNOW A THESE PRESENTS, THAT THE uNDERSIGNID,
OWNERS SIMPLE OF THE LAND HEREBY PRTTEC,
TAR.238.,R.BO.
A PORTION OF GOVERNMENT LOT NO. 5, SEC:9, HEREBY THIS PLAT AND DEDICATE ICI ORE u5L.-
W.I.DESCRIBED AS FOLLOWS. COMMENCING AT THE NORTHERLY THE COLON i CARD(*5T CLUB FOREVER, ALL HTYE('S,
c -EST LI LON SF.UCT ING AND MAINTAINING ONE QUARTER CORNER OF SAID SECTION;THENCE 5.0' 17. 20' AVENUES,PL S.AND EASLY'TITS,ALSO TNT NIGHT TC
NC" 4.2E IS TLU♦ PUBLIC III ALONG THE NORTH SOUTH QUARTER SECT;OM LINE. BEING AL50 MAKE ALL PIECE SANT SLOPES POP CUTS AND TILLS UPON
L c I+: . :•11 Ai
NNE THE WESTERLY BOUNDARY OF.COLONY SURF ND.2,A DISTANCE OF ALL LOTS, BLOCKS.GRADING
O OTC., SHOWN ON THIS•EAT
'AREA'S OF THE LOTS IN L TNEI PLAT AND/OR Of ;705.45 FEET TC THE POINT OF TRUE 5,89';21'NG,BEING ALSO IN THE ORIGINAL GRADING OF ALL STREETS,A.,....,
R..,
ANY ADDITIONAL PLATS TWAT MAY BE SERVED THE CENTER OF L10 SECTION; THENCE 5.B9•ITT t0'L.ALONE PLACES,TALUS.••C. SHOWN HEREON; ALSO PHI RIGHT
BY SAID STREETS,AND THE OIL IGATION TO THE EAST ZEST QUARTER SECTION LINE.BEING AL50 THE SOYTMEPLT TO DRAIN ALL 5TR1.TS OVER ARO ACR055 ANY LOT OR LO•S
MAINTAIN SHALL BE CONCURRENTLY THE ORLI. NOW OAPY M COLONY SURF N0.2,800.00 FEET{ THE MCC 5.II' MERE'WATER MIGHT TAKE A NATURAL COURSE A'TER.HE
GATION OF ASH COAPOAAATIOR IN WHICH TITLE rEET;THENCE45.50'58.20'�rE 170.00 FEET;NCE 5. HENCE 5.61•56,0 TPEET OR STRCI TS AR DPI IRA:L;Y GRADED.
•
W x110 ROADS TaNDHAT
STREETS WAY O[HELD. 20'.:.190.00 FEET,THENCE S.22•51•AO'E.r 210.00 FEET{ ''1
IN THE EVENT TNAT THE CRIERS OF ANY LOTS THENCE S.TO•GT20'N•.550.00 FELT;THENCE N.2.21 T{0-W., CE}
SERVED NY THE ROAD.OR STREETS of THIS 260.0E FEET;THENCE N.60.58.51.s.,180.17 FEFTC THENCE �`
PLAT SHILL PETITION THE BOARD OF COUNTY ALONG THE NORTH SLOTH y0'A0TLR SECTION LINE ROBERT B. - 140 RG RT W. n
CCM.15SI DNERS TO INCLUDE TK%ROADS OR N.0.17120'E.r SIOENT I FKCCE-IV• TITS�I..:,•
STREETS IN THE PUNIC ROAD SYSTEM,SAID MASO�CLUNTT,TWESRIRGO THE 0T0MT OF [RUE bE41x.ING, SIfUATG.IN ACKN .'. D •ENT . ..
PETITIONERS SHALL BE GLIGATED TO BRING
THE SAME TO COUNTY ROAD STANDARDS IN ALL •,.'I .,5r.' C
RESPECTS, INCLUDING DEDICATION OF RIGHT STATE CIA GM" J
' CF RAY,PRIOR TG ACCEPTANCE BY THE COUNTY. COUNTY 011,i"III ) ik' �_
1,4 SALE ON LEER OF LE..S THAN A WHOLE THIS IS TT.. iY THAI"Rgpt THIS JAT LFyu_y,
LOT IN AMY SUBDIVISION•PLATTED AND FILED FILING RECORD ...,24cr'8' 1969.BEFO'.'� HE UROEIi5,000, A NOTARY PWIL•C, CAO
UNDER THIS ORDINANCE IS EXPRESSLY PRONE- _/ � PERSONALLY P' -RED RN.MT B. C.,5TI R.1:.... PA,.-
SITED UNLESS ARO UNTIL A FORMAL REPLIT I ICED AO.RECORD AT:HE EAU Si OF THE JL.+QM-AAW/ 'DENT, AND ROBERT E. HOST,;LAI E'.'iVI V.11 I•1-
T-1S JAY OF A.U.1 W OE VT, It TE NxURN 1C R! 1 S.C.: n+t I.':v':. ^p
SHALL HATE BEEN SUBMITTED LAI APPROVED/S VS � A._ •'7"T'�� ' THC IL4.GC.VI•OCD'-:T ICn ANC .MIL I
..' FORTH HEREIN FOR THE PLAITING IO NI VUTEL .T K•NW1A C0 APE•45050 x LNuME�- - '
SUBOIV(DING OF LAND;EXCEPT THAT THIS RE. 'l-T5,PE.I • T LG4+JS 44505 COUNTY, .. .TLV. T.A. THE.-IGNLO AN, ...IC . -J
STRICTION SHALL ACT BE CONSTRUED TO �//�� ` Lt
AND vLL'JNiAN•ACT:NJ 0.10 IL• -"I•_. T_G_
PRO-
HIBIT THE CCA IGATION CF THE TWO PARTS OF •/ ( �"•� 'C`. 'HERE•.'ALAI leRw:T.
RA SO COUNTY AUDITUP
ONE LOT WITH THE TIC ADJACENT LOTS. -. L ._ - A.
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EACEFT ALSO THAT THIS RESTRICTION SRALL • -OTT COUNT,Au01•LP HI AP. .T 4.. .-. 'f\, 7 (./��
NOT RFPLr TO THE SALE OF UNOIYIDED "` (2PY-PVt�Llrw?.. QJOY...
INTEREST IM A LOT. -
RESTRICTIONS • .GUT A.. ,.b.,.. ;74rI SurtcE JNEFTAC./Of/
SCE POTEREVE COVENANTS RECORDED UNDER AOITC0S
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- FEB 1 1 en
ASON COUNTY ENVIRONMENTAL HEALTH
Q= ® ' 2 0Cleanout
v aet9 O 1,200 Gallon Septic Tank
Seu•. CD S1,S" 2-Compartment with Effluent Filter
�, O3 D-Box with speed-levelers
ple„®Prs Ei and cover to surface
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""Note to installer""
Sleeve waterline when within 10'
of septic transport line. Maintain
tr Dt C. >, P DR 10' minimum between water
`. line and septic tanks/drainfield.
L&. C - r �-o s`". s.4,
-fox" vsc.S- Lz.vel-rs
Viverk i,1..lajc vi t).e- 10 w�nt, c,44•
to c rt Sit- c�-c-$..,
4 S 4 14°Salad AS1-, 303''
o I g n -11 $o r Li►ta,/\� 310' +i
18„ +:141 'sol;d 4 AST 2')29
`f" Pier-er+ e„t
ASTI* 2129
Dc-k-0:40, b risLzAA c Lgozst-u..4s- A ..se,..... 1u , ,o, - --,--ut„..5. 06s-c.,..4,,
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5100348
e. .PAULA.JOY JOHNSON
T tGAtl:f�'`
•
Note: (Typical Bed Layout) exwRas 1
O=Observation Port—to be 4"perforated 61-5-2.S".
PVC pipe from bottom of bed to finished
grade. A removable cap shall be installed on
e " observation port pipe. Glue"T"on bottom
e so pipe can't be removed.
Minimum of2 in system,one in each corner.
Laterals are to be centered in trenches.
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MASON COUNTY ENVIRONMENTAL HEALTH
**Note: Septic Tanks must meet standards required by WAC chapter 246-272C
and manufacturer must be on the Dept of Health list of registered sewage tanks.**
Gntcw Septic .`i)e6ign6, Sac. v '
INSTALLATION & MAINTENANCE .. -
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Gravity Distribution Systems -Bed r5100349
N= PAULA JOY JOHNSON
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1. Install Laterals with contour of the ground. EXPIRES ,i
2. Install bed bottom level. q-S-
3. Install locator tape or rebar at each end of all drainfield laterals.
4. Install observation ports as indicated on the detailed drainfield layout. Minimum of 2
required at diagonal corners of bed drainfield with bottom extending to the
drainrock/native soil interface. Glue "T"to bottom so Observation Port cannot be easily
removed from ground. Install removable cap on top of port at final grade level.
5. Install drainfield during dry weather and soil conditions; any soil smearing must be
eliminated by hand raking.
6. Install riser over d-box with access to the surface.
7. Use distribution box with speed levelers. Divert incoming pipe down with 90-degree
angle to prevent short-circuiting.
8. Filter fabric required over drain rock prior to back filling. If the drain rock extends above
natural grade, run the filter fabric at least 2 inches down the trench wall.
9. Waterlines must be a minimum of 10' to any tank or drainfield (a reduction to 5' may be
obtained with a State waiver on lots that meet minimum lot size). Encase all water lines
within 10' of septic transport lines and under any driveway/parking areas.
10. Divert all storm water runoff away from on-site sewage system.
11. No curtain drains allowed within 10' of the up-slope edge or 30' of the down-slope edge
of the drainfield and reserve area.
12.No vehicular traffic over drainfield area or tanks.
13. Install Bio-Tube or equivalent effluent filter at outlet end of septic tank.
14. All manhole lids and access, sampling or inspection ports must have locking covers and
be located at ground level.
15. Inspect tank and clean filters every 6-12 months as needed.
16. Have the septic tank pumped or professionally inspected every 3 to 5 years.
17. All materials and workmanship must meet County and State regulations.
18. Deviation from this design without prior approval from the Designer and Mason County
Environmental Health Department will make this design null and void.
19. Homeowner is responsible for all property lines and easements.
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