HomeMy WebLinkAboutSWG2022-00436 - SWG Application / Design - 8/4/2022 (3) C .
M A50 N COUNTY 415 N 6TH STREET,SHELTON,
967 ,E 98584
SHELTON:360 427-9670,EXT 400
194
ir,, LFAIR: 360-275-4467,EXT 400
` BE ELMA:360-482-5269,EXT 400
� B Public Health & Human Services
FAX:360-427-7787
On-Site Sewage System Permit: SWG2022-00436
APPLICANT Smith, Earl Phone:
Address: PO Box 1876 SHELTON, WA 98584
OWNER OVERTON &ASSOCIATES Phone: 1.206.948.0554
Address: PO BOX 1477 TACOMA, WA 98401
SEPTIC DESIGNER Jim Hunter and Associates Phone: 360-753-1226
Address: PO Box 162 OLYMPIA, WA 98507
Site Address: UNKNOWN
Primary Parcel Number: 319074400043
Permit Description: New Commercial 600 GPD-sand-lined beds (LOT 3)-REVISION
Permit Submitted Date: 08/04/2022
Permit Issued Date: 08/25/2022
Issued By: Luke Cencula
Current Permit Fees Paid: $1,320.00 (additional fees may be required upon installation of system).
Permit Expiration Date: 08/12/2025 (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.
48"to bottom of bed(sand bottom); 24"to top of sand.
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.
7 Gravel-less chambers required per design.
8 Two risers to grade required on pump tank.
9 Horizontal setbacks per WAC246-272A-0210 must be maintained, unless prior approval is
obtained
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.
,
Q \ \or
DESIGN FORM—PAGE ONE Assessor's Parcel Number: J D�1 T -- Li -- CO 43
A design will be reviewed when 3 copies,of each of the following are submitted:
Completed design form that has been signed and dated. v 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 si_e: II"A'17"
PARCEL IDENTIFICATION
Permit Number: SWG 1,0 Z 7 DO 93 (o Designer's Name: JIM HUNTER
Applicant's Name: EARL SMITH 360-753-1226
Designer's Phone Number:
Mailing Address: PO BOX 1876 Designer's Address: PO BOX 162
SHELTON WA 98584 OLYMPIA WA 98507
City State Zip City State Zip
DESIGN PARAMETERS
Treatment Device
❑Glendon l3iofilter 0 Sand Filter 0 Mound and Lined Drainfield ❑ Recirculating Filter,Type:
❑ Aerobic Unit Make/Model 0 Disinfection Unit Make/Model Other:
Drainfield Type
❑ Gravity Cl Pressure ❑Trench 0 Bed 0 Sub Surface Drip
Septic Tank/Drainfield Specifications 1e9r pi I Laterals
Number of Bedrooms 28 EMPLOYEES 119p Schedule/Class 40
Daily Flow:Operating Capacity A-S.c! gpd Length 60 ft
Daily Flow: Design Flow (/)66 gpd Diameter 1.5 in
Septic Tank Capacity 1500 gal Number 3
Receiving Soil Type(1-6) 1, Separation ), 3 ft
Receiving Soil Appl. Rate 1.0 gpd/ft2 Orifices
Required Primacy Area ,j v C- - 2 Total Number of Orifices 102
Designed Primary Area (0(,1v ft'- Diameter 3/16 in v.,
Designed Reserve Area ({,U L.1 ft2 Spacing 9 2-‘ in ` ��
Trench/Bed Width 10 ft Manifold
Trench/Bed Length 60 ft Schedule/Class 40
Elevation Measurements Length (,,, S ft
Original Drainfield Area Slope % Diameter 2 in
New Slope, If Altered % Preferred manifold configuration used? AYes 0 No
Depth of Excavation Up-slope 6 . in Transport Pipe
from Original Grade Down-slope 0 in Schedule/Class 40
Designed Vertical Separation 24 in Length 32 ft
Gravelless Chambers Required? EYes ❑ No 0 Optional Diameter 2 in
Pump Required? Eyes ❑No Dosing and Pump Chamber
Pump/Siphon Specifications Number of doses/day 6
Difference in Elevation Between Pump Shutoff and Uppermost Dose quantity N/A gal
Orifice 5 ft Chamber Capacity 1500 gal
Uppermost Orifice or Higher 0 Lower than Pump Shutoff Pump controls: Please check those required.
Capacity @ Total Pressure Head 73.228 gpm llilfFimer lapse Meter ❑ Event Counter
Calculated Total Pressure Head 12.856 ft If Timer: Pump on 9., J ,Pump off `-'Z.. 1
Comments
DESIGN FORM—PAGE TWO Assessor's Parcel Number:'3 ` g -- -- OOOg3.
Permit Number: SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
❑ Test hole locations 0 Drainfield orientation and layout Reference depth from original grade:
❑ Soil logs 0 Trench/bed dimensions and ❑ Septic tank
❑ Property lines critical distances within layout ❑ Drainfield cover
❑ Existingand proposed wells 0 D-Box/Valve box locations
Reference depth from original grade
within 100 ft of property 0 Septic tank/pump chamber and restrictive strata:
❑ Measurements to cuts,banks,and locations 0 Laterals,trench bed,top and
surface water and critical areas 0 Observation port location bottom
❑ Location and orientation of 0 Clean-out location 0 Curtain drain collector
curtain drain and all absorption ❑ Manifold placement ❑ Sand augmentation
components 0 Orifice placement Other cross-section detail:
❑ Location and dimension of 0 Lateral placement with distance 0 Observation ports/clean-outs
primary system and reserve area to edge of bed
❑ Buildings Other Information
0 Audible/visual alarm referenced Yes No
❑ Direction of slope indicator 0 Scale of drawing shown on scale 0 0 Design staked out
❑ Waterlines bar 0 0 Recorded Notices attached
❑ Roads, easements,driveways, 0 0 Waiver(s)attached
parking 0 0 Pump curve attached
❑ North arrow and scale drawing 0 ❑ Evaluation of failure
shown on scale bar Non-residential justification
❑ ❑ Waste strength
❑ ❑Flow
DESIGN APPROVAL
The undersigned designer must be notified i s 11 'me f installation 0 Yes (E9, No
3 —( -�3
Signattire esigner 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:
VP/ Si) 1?;3
Environmental Health ecialist Date
CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION:
✓ The design is stamped"Approved"by Mason County Public Health. ° l
✓ 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 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
PAGE 1
MASON COUNTY HEALTH DEPARTMENT
ON-SITE SEWAGE DISPOSAL SYSTEM DESIGN
SITE#: PARCEL#: 31907-44-000443
DATE SUBMITTE 03/01/23 LEGAL/LOT#:
SUBMITTED BY: JIM HUNTER
APPLICANT: EARL SMITH APPROVE D
ADDRESS: MAR Q 1 2023
MASON COUNTY ENVIRONMENTAL HEALTH
I. CALCULATIONS RET
NUMBER OF BEDROOMS= 28 EMPLOYEES
RESIDENTIAL GPD FLOW= 600
IF NON-RESIDENTIAL-GPD FLOW
WILL BE AS FOLLOWS:
GPD=
APPLICATION RATE= 1.0 GPD/FT2
REDUCTION=LEAVE BLANK/F NO REDUCTION TAKEN
DRAINFIELD SIZING
ABSORPTION AREA= 600 FT2
TRENCH LENGTH OR BED CONFIG. = 10'-0"X 60'-0"
II.WATERPROOF SEPTIC TANK
COMPOSITION AND SIZE= 1500 GAL.CONCRETE
NEW OR EXISTING = NEW
III. DRAINFIELD CROSS SECTION
DEPTH TO DRAINROCK BOTTOM= N/A GRAVELLESS CHAMBERS
ROCK DEPTH BELOW PIPE= N/A GRAVELLESS CHAMBERS
SEPARATION FROM TRENCH BOTTOM TO IMPERMEABLE
MATERIAL/SEASONAL SATURATION = >2'-0"
FILL DEPTH= 1'-0"
TRENCH WIDTH = N/A
IV. PUMP REQUIREMENT
DOSING VOLUME IN GALLONS = N/A •
NUMBER OF DOSES PER DAY= 6
V. PRESSURE CALCULATIONS 3_t_2
USING PIPE CLASS 40 �� ';‘,.
ORIFICE 3/16 t'
S1ia:.13 rj t
j/.!4F:,R.!II p)rc.R
•
PAGE 2
LATERAL#1 =
SQUIRT HEIGHT(FT) 3.00
(NOTE(2):ORIFICE DISCHARGE RATE=(11.79)X(ORIFICE DIAMETER)SQ2 X
SO ROOT OF(TOTAL PRESSURE HEAD)
ORIFICE DISCHARGE RATE= 0.71792
LATERAL LENGTH IN FEET= 60.00
ORIFICE SPACING = 1'9"
DISTANCE FROM END CAP= 1' 1"
NUMBER OF HOLES= 34
LATERAL DISCHARGE RATE= 24.409
LATERAL#2=SQUIRT IGHT(FT) APPROVED n 0
ORIFICE EDISCHARGE RATE= R`O V E LJ 0.71 92
LATERAL LENGTH IN FEET= MAR O 1 2023 60;000
ORIFICE SPACING=
DISTANCE FROM END CAP= MASON COUNTY ENVIRONMENTAL HEALTH 1. 1
NUMBER OF HOLES= RET 24.409
34
LATERAL DISCHARGE RATE=
LATERAL#3=
SQUIRT HEIGHT(FT) 3.00
ORIFICE DISCHARGE RATE= 0.71792
LATERAL LENGTH IN FEET= 60.00
ORIFICE SPACING= 1'9"
DISTANCE FROM END CAP= 1' 1"
NUMBER OF HOLES= 34
LATERAL DISCHARGE RATE= 24.409
LENGTH DIAMETER FLOW FRICTION LOSS
SECTION (FT) (IN) (GPM) (FT)
AB 110.00 2.00 73.228 8.933
BC 1.80 2.00 48.819 0.069
CD 3.40 2.00 24.409 0.036
DE 60.00 1.50 24.409 2.152
TOTAL= 11.190
**TOTAL HEAD LOSS **
-2-3
' •
,.) J 1)FRICTION LOSS THROUGH SYSTEM= 11.190
•
7 .7
spa`' 2)ELEVATION DIFFERENCE = 5.000
51(13,273 3)RESIDUAL = 3.000
0; JAMSR HINTER y I
t!CEPISEU OES!,�{F� f TOTAL= 19.190
X P if S: 03/22i'L
, F
MYERS ME45 SERIES
•
APPROVED
MAR 01 2023
MASON COUNTY ENVIRONMENTAL HEALTH
RET
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