HomeMy WebLinkAboutSWG Design MIIII■11I1b.
DESIGN FORM—PAGE ONE Assessor's Parcel Number: 3 2 0 1 0 — 3 1 — 5 0 1 6 0
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
Scaled plot plan,including all applicable items on checklist. Cross-section sketch,including all applicable items on checklist.
This form may scanned and available for public view on the Mason County Web site.Maximum paper size: 11 X 17"
Desi�er's Name: Arrow Septic Designs, Inc
Permit Number. SWG (360)898-2255
Applicant's Name: Emily Davis Designer's Phone Number:
Mailing Address:
297 NE Kissin Tree Lane Designer's Address: 171 E Vuecrest Dr
Tahuya WA 98588 Union, WA 98592
City State Zip City State Zip
`'44, -_FUCLy��a���IMs_+Xi[v+ �� :^_. .w
Treatment Device
❑Glendon Biofilter ❑Sand Filter 0 Mound ❑Sand Lined Drainfield 0 Recirculating Filter,Type:
❑Aerobic Unit Make/Model 0 Disinfection Unit Make/Model Other:
Drainfield Type
Eir Gravity ❑Pressure C'Trench 0 Bed ❑ Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 4 Schedule/Class 2729
Daily Flow:Operating Capacity 360 gpd Length 50 ft
Daily Flow:Design Flow 480 Diameter 4 in
Septic Tank Capacity(working) 1,200 gal Number 4
Receiving Soil Type(1-6) 3 Separation 9 ft
Receiving Soil Appl.Rate 0.8 gpd/f 2 Orifices
Required Primary Area 600 ft2 Total Number of Orifices —
Designed Primary Area 600 ft2 Diameter — in
Designed Reserve Area 600 ft2 Spacing — in
Trench/Bed Width 3 ft Manifold
Trench/Bed Length 200 ft Schedule/Class —
Elevation Measurements Length — ft
Original Drainfield Area Slope 7 % Diameter — in
New Slope,If Altered 7 % Preferred manifold configuration used? 0 Yes 0 No
Depth of Excavation Up-slope 24 in Transport Pipe
from Original Grade Down-slope 22 in Schedule/Class 3034
Designed Vertical Separation 36+ in Length 40 ft
Graveness Chambers Required? 0 Yes Elf No 0 Optional Diameter 4 in
Pump Required? 0 Yes FeNo Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day —
Diff.in Elevation Between Pump&Uppermost Orifice — ft Dose quantity — gal
Drainfield Squirt Height/Selected Residual(head) — ft Chamber Capacity(flood) — gal
Uppermost Orifice 0 Higher 0 Lower than Pump Shutoff Pump controls:Please check those required.
Capacity @ Total Pressure Head — gpm ❑Timer ❑Elapse Meter 0 Event Counter
Calculated Total Pressure Head — ft If Timer. Pump on — ,Pump off
Comments APPROVED
DEC 21 2112'
L;! lc MASON COUNTY ENVIRONMENTAL HEALTH
r DJA
DESIGN FORM—PAGE TWO Assessor's Parcel Number:3 2 0 1 0 — 3 1 -- 5 0 1 6 0
Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
0 Test hole locations g Drainfield orientation and layout Reference depth from original grade:
g Soil logs g Trench/bed dimensions and g Septic tank
ili Property lines
critical distances within layout 121 Drainfield cover
❑ Existing and proposed wells
D-Box/Valve box locations Reference depth from original grade within 100 ft of property g Septic tank/pump chamber and restrictive strata:
Lit Measurements to cuts,banks,and locations Laterals,trench bed,top and
surface water and critical areas Observation port location bottom
collector
drain
❑ Location and orientation of 0 Clean-out location 0 0 CurtainSand augmentation
curtain drain and all absorption 0 Manifold placement
components 0 Orifice placement Other cross-section detail:
g Location and dimension of g Observation ports/clean-outs
g Lateral plac•• ent with distance
primary system and reserve area to edge of foil+ Other Information
Buildings ❑ Audible/Aal ,C -renced Yes No
Direction of slope indicator g Scale owiri;, .0 scale d 0 Design staked out
g Waterlines bar .,,,, ❑ l�Recorded Notices attached
y701,� . `',yFy� ❑ l�Waiver(s)attached
Roads,easements,driveways, ,4 '., c51.12� ❑ g Pump curve attached
parking I L } 0 Evaluation of failure
g North arrow and scale drawing ... ' "•.
shown on scale bar Yam' PAULA J•• .•_hsoN Non-residential justification
LiC�Iitv3, sIoNv(
0 Ed Waste strength
EXPIRES r 0 g Flow
DESIGN APPROVAL
The undersigned designer must be fati41 b insta er at time of installation g Yes 0 No
I t 30 - gO\J E
Signa
ture of Desi er
The undersigned has reviewed this design on behalf of Mason County Public Health and de n%d'it all in
compliance with state and local on-site g lations: VIRONMEN�ALHEA�T`'
I Z � � �f ?0�� MASON COUNTS ENp,A
Environmental Health Specialist Date
CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION:
✓ The design is stamped"Approved"by Mason County Public Health. /�//Z�
✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is: 1 z/ l
✓ 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.
dated Date: 12/7/2015
:1/161.47.92.165trSWebs/ Orders/ORSResult, x?Coon e=M&,FromOrderNum... 9/2612022
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TITLE GROUP
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Order Number: 2022-43337-BF
Property Address: XXX Vacant Land, Shelton, WA 98584
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to rotate the land indicated hereon with reference to streets and other land. it is riot intended to
This is nota matter
related
d is the property
as a*cud1 convenience ts.encroachments,or location boundaries. It i5 not a
allow on mutter related to the commitment a^9'!ut not timateo to.Cacheareas dirrae.asomp n s3Si related to tTtis sxetc'
part or,nor does it modify the or policy to which it is attached. The company
Reference should be made to an accurate survey for further elfomtation.
MED
DEC 2 1 2023
MASON COUNTY ENVIRONMENTAL HEALTH
DJA
2 23554 NE State Rte 3.Suite 2.PO Box 2126,Selfair. WA 98528
Web Site: .tiww.AGLTG.com
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APPROVED
P,.n�. S�t�c�t.ER i5 LQUE RD
oa�4 D 2 1 2023
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MASON COUNTY ENVIRONMENTAL HEALTH
DJA
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.•. SERVATION PORTS TOBE 4Tr PF. APPROVED
PVC PIPE FROM BOTTOM OF TRENCH TO
FINISHED GRADE. MOVABLE CAP .
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SEALL BE INSTALLED ON OBSERVATION DEC 2 1 2023
PORT PIPE. Glue =T” ON BOTTOM SC
PIPE CAN t T BE REMOVED. NEED ONE MASON COUNTY ENVIRONMENTAL HEALTH
AT DISTAL END OF EA. LAT. LATERALS. DJA
4 1 ARE•TO BE CENTERED IN TRENCHES.
SECURED LID WITH GAS TIGHT SEAL
24"DIAMETER
ACCESS AMER GRADE
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FROM SEWAGE 90tAtCE FLOATING MAT
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21211C TANK
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DEC 2 1Z023
MASON COUNn'ENV1R0
DJA
NmENTAL 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. **
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INSTALLATION& MAINTENANCEMAINTENANCE .. t
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Gravity Distribution Systems 5',:3.9 •
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1. Install Laterals with contour of the ground. ~ IX = -s
2. Install trench bottoms level.
3. Install locator tape or rebar at each end of all drainfield laterals.
4. Install observation ports as indicated on the detailed drainfield layout. One required at
distal end of each lateral in 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. Use distribution box with speed levelers and cover to surface. Divert incoming pipe
down with 90-degree angle to prevent short-circuiting.
7. 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.
8. Encase all water lines within 10' of drainfield and under any driveway/parking areas.
9. Divert all storm water runoff away from on-site sewage system.
10. No curtain drains allowed within 10' of the up-slope edge or 30' of the down-slope edge
of the drainfield and reserve area.
11. No vehicular traffic over drainfield area.
12. Install Bio-Tube or equivalent effluent filter at outlet end of septic tank.
13. All manhole lids and access, sampling or inspection ports must have locking covers and
be located at ground level.
14. Inspect tank and clean filters every 6-12 months as needed.
15. Have the septic tank pumped or professionally inspected every 3 to 5 years.
16. All materials and workmanship must meet County and State regulations.
17. Deviation from this design without prior approval from the Designer and Mason County
Environmental Health Department will make this design null and void.
18. All transport lines under driveways or parking areas must be encased to prevent crushing.
19. Homeowner is responsible for all property lines.
APPROVED
DEC 2 1 2023
MASON COUNTY ENVIRONMENTAL HEALTH
DJA