HomeMy WebLinkAboutSWG2024-00195 - SWG Application / Design - 5/6/2024 ® MASON COUNTY 415N6SHELTON: 0427-97 ,EXT 400
SHELTON:360>275 fi6O.EXT 400
BELFAIR:360-2]5i4fi],EXT 400
Public Health & Human Services ELM:3B0482-5269,EXT 400
FAX:360-427-7787
On-Site Sewage System Permit: SWG2024-00195
APPLICANT CALVIN DAHL Phone:
Address: 261 HAMILTON RD N CHEHALIS,WA 98532
SEPTIC DESIGNER ADAM HUNTER' Phone: 360-753-1226
Address: PO Box 162 OLYMPIA,WA 98507
Site Address: W Highland Rd
Primary Parcel Number: 520241350050
Permit Description: New SFR-38R Pressure(LLSp20-03 LOT 5)
Permit Submitted Date: 05/06/2024
Permit Issued Date: 08/06/2024
Issued By: Jeff Wilmoth
Current Permit Fees Paid: $540.00 (adetlonal We now be noulRd upon meleboon areralern).
Permit Expiration Date: 05/23/2027 (bem on date aiine9wuon)
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 downs/ope depth specked on
design form.
4 Installer is responsible for obtaining Mason County installation approval prior to bacATll 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.govlheafthlenvironmentallonsite/oss4nspection4oquest.php or call:
360-427-9670,extension 400.
OFFICIAL USE ONLY
MASON COUNTY PUBLIC HEALTH "°' H a
ONSITE SEWAGE SYSTEM APPLICATION Is NR.NLD H
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415N6th SGeet MId98) SheltOWA98584
Shdtw:360-427-9678Mt400 Belhir.3612754467 at 4W C\A G a0l _ �11
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APPLICANT
PHDHE a a
CALVIN DAHL 3604109524 m m
T-
.UNGADDRESS-STREET,CRT.SIAM BP WOE
261 HAMILTON RD N CHEHALIS WA 98532 a
SREACgVE55-STREET.CRT.LP CODE �
XX HIGHLAND RD - LOT S SHELTON WA 98584
NAME OF DESIGNER PHONE v
ADAM HUNTER 3607531256
.ME OF INSTALLER 'NONE I�
TBD EEp
CHECKAU- R ASLEREMS DRINKING WATER BORRCE
tt NEW CONSTRUCTION 13 WHOLDINGTANKONLY E3 PRNATEINDIVIDUALWELL N
REPLACEMENT SYSTEM INSTALLATION PERMR ONLY fa PRNATETWOPARTY WELL 2
Q TABLE B REPAIR [3 SINGLE FAMILY 0 OOMMUNffYlPUBLICWATERSYSTEM
TANK(S)ONLY 0 COMMERCIAL SYSTEM NAME:
UPGRADE TO EXISTING 0 OTHER: BEDROOMS LOT WE
EXISTING FAILURE 'PO1dO""L'E^R" 3 �jr03 03
bNNgAXN -
DIRECTIONS TO WE-BE SPECIFIC AND ADVISE OP ANY NEED.INFORMATION FOR ACCESS(0.k Wb) 0
HIGHLAND RD TO A LEFT AT SECOND ENTRANCE FOR HIGHLAND ACRES s 01
0 JI
O (\
I+IIN-i
SITEMIST/E FLAGGED FROM MAIN ROADAMO TESTHOLE.S MDST6EFLADGED WIN TEST NO" MSERS I
OFFICIAL USE ONLY BELOW THIS LINE
UPGRADE I FAWNE SOURCE(br r nB vim m)
QVOLUNTART [3MMNTENANCEIPUMPING O BUILDING PERMIT OHOMESALE OCOMPLAINT []OTHER:
INSPECTORSOKLOGS COMME'n ICONDITIONS
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MAY 06 2024
By—&—
SOKCWEG:
y•yENy p•pRAVELLY $•8Mo ✓LOAM &•91LT C•CLAY E•E%TREMELT ft•ROOIS
INS 91GNATDRE DALE APWCAPONEVOIXTIONWTE TIg1AFPROVEO BY DFTE
F Y BE SCANNED AND AVAILABLE FOR PUBLIC WW ON THE MASON COUNW WEBS REVISED Iffi2015
i
DESIGN FORM—PAGE ONE Assessor's Parcel Number.
A design will be reviewed when 3 copies of each of the following are submitted:
•Completed design form that has been signed and dated. I Scaled layout sketch,including all applicable items on checklist
e Scaled plot plan,including all applicable items on checklist. v Cross-section sketch,including all applicable items on checklist.
This form may be scanned and available for Public view on the Mason County Web site.Maximum per size: ll"X 17"
v PARCEL IDENTIFICATION
Permit N=her: SWG 7�Z 1� 00IRS Designer's Name: ADAM HUNTER
�'Applicant's Name:
CALVIN DAHL Dial s Phone Number: 360-753-1226
!'>°Mailing Address:
261 HAMILTON RD N Designer's Address: PO BOX 162
CHEl4LLl$ WA Ba532 OLYMPIA WA 96507
Ci State Zi city State zip
A)ESICN PARAMETERS
Treatment Device
0 Glendon Biofilter ❑Sand Filter ❑Mound ❑Sand Lined Drainfield ❑Recirculating Filter,Type:
❑Aerobic Unit MakdModcl ❑Disinfection Unit Mak./Model Other.
Drainfield Type
0 Gravity EtPressure Trench ❑Bed ❑ Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 3 Schedule/Class 40
Daily Flow:Operating Capacity 270 gpd Length 40 ft
Daily Flow:Design Flow 360 gpd Diameter 1.25 in
Septic Tank Capacity 1200 gal Number 5
Receiving Soil Type(1-6) 4 Separation 6 Ll
Receiving Soil Appl.Rate 0.6 gpd/ftr Orifices
Required Primary Area 600 fta Total Number of Orifices 65
Designed Primary Area 600 ftr Diameter 118 n
Designed Reserve Area ftt Spacing 36 in
Tmnch/Bed Width 3 ft Manifold
Trench/Bed Length 200 ft Schedule/Class 40
Elevation Measurements Length 20 it
Original Drainfield Area Slope /j % Diameter 2 in
New Slope,If Altered A//A % Preferred manifold configuration used? EYYes ❑No
Depth of Excavation DP-sturc n1( in Transport Pipe
from Original Grade pcwa,,, t l in Schedule/Class 40
Designed Vertical Separation 124 in Length '31 r ft
Gravelless Chambers Required? 0 Yes 0 No IR(Optional Diameter 2 in
Pump Required? III Yes O No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day 6
Difference in Elevation Between Pump Shutoff and Uppermost Dose quantity 60 gal
Orifice ft-1 It Chamber Capacity 1200 gal
Uppermost Orifice R(Higher 0 Lower than Pump Shutoff Pump controls:Please check those required.
Capacity Q Total Pressure Head 'I.Lt'79S gpm Timer Eveat Counter
Calculated Total Pressure Head .4 R If Timer: Pump m�0 R6
commens JUL 3 12024 Lf
MASON COUNTY ENVIRONMENTAL HEALTH
DESIGN FORM—PAGE TWO Assessor's Parcel NLLmbeC �A O d 4 - 1 3 --
PermitNumber: SWG _ ,500 �i6_
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
1f Test hole locations ®' Drainfield orientation and layout Reference depth from original grade:
19 Soil logs 9 Trench/bed dimensions and 19 Septic tank
1f Property lines critical distances within layout la Drainfield cover
19 Existing and proposed wells 9 D-BoxfValve box locations Reference depth from original grade
within 100 ft of properly 9 Septic tank/pump chamber and restrictive strata:
la Measuremen s to cuts,banks,and locations ❑ Laterals,trench/bed,top and
surface water and critical areas [Z Observation port location bottom
Sd Location and orientation of Ez Clean-out location ❑ Curtain drain collector
curtain drain and all absorption E� Manifold placement ❑ Sand augmentation
components EZ Orifice placement Other cross-section detail:
9f Location and dimension of 9 Lateral placement with distance 9 Observation ports/cleanouts
primary system and reserve area to edge of bed Other Information
E9 Buildings E9 Audiblelvisual alarm referenced Yes No
19 Direction of slope indicator E9 Scale of drawing shown on scale d ❑ Design staked out
E9 Waterlines bar ❑ ❑Recorded Notices attached
9 Roads,easements,driveways, ❑ ❑Waiver(s)attached
parking ❑ ❑ Pump curve attached
99 North arrow,and scale drawing ❑ ❑Evaluation of failure
shown on scale bar Non-residential justification
❑ ❑Waste strength
❑ ❑ Flow
DESIGN APPROVAL
The undersigned designer most bet i taller at time of installation as Yes ❑ No
511/24
rgnatme 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 to regulations:
IP n I �n� Z;0 7--3t`2-Y
Ir aeffinental 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:
✓ 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�IP ype VPublic Health.
An Installation Fee is re uired. JUL 3 12024
IV I
This form may be scanned and available for public vi a oun tte.
ej By Updated Date: 12/7/2015
MASON COUNTY HEALTH DEPARTMENT
O ITE SEWAGE DISPOSAL SYSTEM DESIGN
SITE#: PARCEL*52024138811188-
$2]O50
DATE SUBMITTED: NlaD24 LEGAULOT k.HIGHLAND ACRES
LOT 5
SUBMITTED BY: ADAM HUNTER
APPLICANT: CALVIN DAHL
ADDRESS:
1.CALCULATIONS
NUMBER OF BEDROOMS= 3
RESIDENTIAL GPD FLOW= 360
IF NON-RESIDENTIAL-GPD FLOW
WILL BE AS FOLLOWS:
GPD=
APPLICATION RATE= 0.6 GPDIFT2
REDUCTION=LEAVE& NKIFNOREDUCnI TAKEN
GRAINFIELD SITING
ABSORPTION AREA= 600 FT2
TRENCH LENGTH OR BED CONFIG.= 5-40FT TRENCHES
II.WATERPROOF SEPTIC TANK
COMPOSITION AND SIZE• 12M GAL.CONCRETE
NEW OR EXISTING NEW
III.GRAINFIELD CROW SECTION
DEPTH TO DRAINROCK BOTTOM= 2'4Y
ROCK DEPTH BELOW PIPE= U-B'
SEPARATION FROM TRENCH BOTTOM TO IMPERMEABLE
MATERI SEASONAL SATURATION= >2'-W
FILL DEPTH= 1.3�
TRENCH WIDTH= Y-D•
N.PUMP REQUIREMENT
DOSING VOLUME IN GALLONS= SO
NUMBER OF DOSES PER DAY= 6
V.PRESSURE CALCULATIONS
USING PIPE CLASS 40
ORIFICE 118
5/1/24 VEMMIS
' 1 JUL 3 12024 LIN
MASON COow
UNTY ENVIRONMENTAL HEALTH
Jaw
.. Yll)YNI \n.
LATERAL#1=
SQUIRT HEIGHT(FT)= 5.OD
(NOTE(2):ORIFICE DISCHARGE RATE=(11A9)%(ORFIOE DIAMETERA 02%
SO RWTOF(TOTAL PRESSURE HEAD)
ORIFICE DISCHARGE RATE= 0.41193
LATERAL LENGTH IN FEET= 40.00
ORIFICE SPACING= 3'0'
DISTANCE FROM END CAP= 2'0'
NUMBER OF HOLES= 13
LATERAL DISCHARGE RATE= 5.355
LATERAL#2=
SQUIRT HEIGHT(FT)= 5.00
ORIFICE DISCHARGE RATE= 0.4110
LATERAL LENGTH IN FEET= 40.OD
ORIFICE SPACING= T v
DISTANCE FROM END CAP= 7v
NUMBER OF HOLES= 13
LATERAL DISCHARGE RATE= 5.355
LATERAL 0t3=
SQUIRT HEIGHT(FT)= S.00
ORIFICE DISCHARGE RATE= OA1193
LATERAL LENGTH IN FEET= 40.00
ORIFICE SPACING= 3'w
DISTANCE FROM END CAP= 2'P
NUMBER OF HOLES= 13
LATERAL DISCHARGE RATE= 5.355
LATERAL#4=
SQUIRT HEIGHT(FT)= 5.00
ORIFICE DISCHARGE RATE= 0.41193
IATERAL LENGTH IN FEET= 40.0D
ORIFICE SPACING= T 0'
DISTANCE FROM END CAP= 2'w
NUMBER OF HOLES= 13
LATERAL DISCHARGE RATE= 5.355
LATERAL#5=
SQUIRT HEIGHT(FT)= 5.00
ORIFICE DISCHARGE RATE= 0.41193
LATERAL LENGTH IN FEET= 40.00
ORIFICE SPACING= 3'W
DISTANCE FROM END CAP= 2'W
NUMBER OF HOLES= 13
LATERAL DISCHARGE RATE= 5.30
5/1/24
_: r.
APPROVE
Y'1 4a 1(yr JUL
., MASONCOUNNTYE V
IwLrirv, , a':. ENVIRONMEN
JB W ,.TAIhEN�
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LENGTH DIAMETER FLOW FRICTION LOSS
SECTION (FT) (N) (GPM) (FT)
AS 315.00 2.00 26.M 3.9T11
BC 1.00 2.00 16A65 0.10 9
CO 1.00 2.00 10.T10 0.0023
DE 20.00 2.00 5.355 0.0129
EF 40.00 1.25 5.355 0.1837
TOTAL 4.1808
TOTAL HEAD LOSS
1)FRICTION LOSS THROUGH SYSTEM= 4.181
2)ELEVATION DIFFERENCE = 12.300
3)RESIDUAL = 5.000
TOTAL= 21A81
5/1/24
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JUL 3 12024
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