HomeMy WebLinkAboutSWG2024-00103 - SWG Application / Design - 3/15/2024 ® MASON COUNTY 016N 6SHSTREET SHELTON. EX7400
SHELTON:360>27-9670,En 400
BE EUMA 360-275-0467,En 400
Public Health & Human Services ELMA:380J62L269,EXT 400
FAX:380d27-7787
On-Site Sewage System Permit: SWG2024-00103
APPLICANT FRIAUF III ET AL CHARLES W Phone: 1.360.772.5171
Address: ANGELA FRIAUF VANCOUVER,WA 98685
OWNER FRIAUF III ET AL CHARLES W Phone: 1.360.772.6171
Address: ANGELA FRIAUF VANCOUVER,WA 98685
SEPTIC DESIGNER CINDY WAITE` Phone: 360-701-0205
Address: 80 E Pickering Lane SHELTON,WA 98584
Site Address: 680 E Treasure Island Dr
Primary Parcel Number: 121055200091
Permit Description: New SFR-3BR OSCAR X02
Permit Submitted Date: 03/15/2024
Permit Issued Date: 03/26/2024
Issued By: Jeff Wilmoth
Current Permit Fees Paid: $540.00 (additional reee may be mauo-ed dean Installation 0 system).
Permit Expiration Date: 03/21/2027 ( eyed on dale or loawdwa)
Pernit 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 specked on
design form.
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.
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:
360427-9670, extension 400.
OFFICIAL USE ONLY
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CHARLES/ANGIE FRIAUF 360-903-4355 c
IMILINGMDRESS-STREET,CITY STATE,LP CODE �P
12512 N W 46TH AVE VANCOUVER WA 98685 a
SITE ADDRESS-STREET C",ZIP E 680 E TREASURE ISLAND DR ALLYN WA 98524 1 '
NAME OF DESIGNER CINDY WAITE PHONE 1-0205 I ro
NAME OF INSTALLER PHONE
TBD 3
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PERMIT TYPES&Ns ro) G. DRINKING VATER SOURCE y
HRESIDENTALOSS EDCOMMUNITYOSS COMMERCMLOSS F1 PRIVATE INDIVIDUAL WELL EEPRIVATETWO-FWRYWELL 2
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x TYPE OF WDRI(f ) [7 PUBLIC NMTER SYSTEM TREASURE ISLAND WS
W]NEW CONSTRUCTION/UPGRADES E!REPAIR I REPLACEMENT OTHER DETAILS Ivew..IhM 0#1) OTABLE IX REPAIR IN
SUBMITTALS ❑ SURFACING SEWAGE ❑EXISTING FAILURE D SHORELINE W
ID..DESIGN FORM(REQUIRED) J3SEPTIC DESIGN(REQUIRED) BEDROOMS LOTS¢E VO 0
pp IN
SWMIVENISI(IF APPLICABLE) 3 60'X2D1M x lO
DIRECTIONS TO SREAND STIE CONDITIONS.SP WMOINI
GO TO TREASURE ISLAND, TURN RIGHT OFF BRIDGE, FOLLOW AROUND TO o
DRIVEWAY. STEEP DRIVEWAY, TURN AROUND AT BOTTOM , TWO SOIL LOGS ON r
LEFT OF DRIVEWAY, ONE ON THE RIGHT.
sI/EMI/$r BEFUoaEO FROM MAN ILOM AND TESr MGL6.'.FLADDED KmTE$rXpLExI/MBER3. I '
OFFICIAL USE ONLY BELOW THIS LINE
I MA
UPGRADE I FAILURE SOURCE(b rayu4p PU PNM)
OVOLUNTARY OMAINTENANCEIPUMPING D BUILDING PERMIT DHOMESALE OCOMPLAINT DOTHER: 7
INSPECTOR SOIL LOGS COMMEMS/CONDRION Q
3a ,Sc,
RECORD GNAWING AND INSTALLATION REPORT
SOIL CODES:
V= RY G=GIVES LY S=SAND L=LOAM 5=SILT C=CIAY E=EKTREMELY R=ROOTS REQUIRED FOR FINALAPPRONAL.
SP CTOR SIGNATURE — MPLICATIOH EXPIRATION DATE P OATIp PROSSS ISSUEDBY OFTE
; 3-,7-1 -Af.27 3 uz
IS RM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE VU REVISED I27rz015
I
DESIGN FORM—PAGE ONE Assessor's Parcel Number: 1 2 1 0 5 — 5 2 — 0 0 0 9 1
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. v Cross-section sketch, including all applicable items on checklist.
This form maybe scanned and available for public New an the Mason County b sea.Maximum naDer size: 11"X 17"
PARCEL IDENTIFICATION
Permit Number: SWG C)001 Designer's Name: CINDY WAITE
Applicant's Name: CHARLESIANGIE FRIAUF Designer's Phone Numbe : 360-701-0205
Mailing Address: 12512 N W 46TH AVE Designer's Address: 80 E PICKERING LANE
VANCOUVER WA 98685 SHELTON WA 98584
City State Zip city State zip
DESIGN PARAMETERS
Treatment Device
O Glendon Biofilter ❑ Sand Filter ❑Mound ❑Sand Lined Drainfield ❑Ra mulating Filter,Type:
❑Aerobic Unit Make/Model ❑Disinfemion Unit Make/Model Other: X02 TO OSCAR D F
Drainfield Type
O Gravity ❑Pressure ❑ Trench ❑ B ❑ Sub Surface Drip
Septic Tank/Drainfield Specifications Laterals
Number of Bedrooms 3 Schedule/Class NETAFIM
Daily Flow:Operating Capacity 270 gpd Length 100 ft
Daily Flow:Design Flow 360 gpd Diameter in
Septic Tank Capacity(working) 1200 gal Number 3
Receiving Soil Type(1-6) 4 Separation 16.5"
Receiving Soil Appl. Rate .6 gpd/ft' Orifices
Required Primary Area 600 ftr T umber o f Oril ces 3X100=300
Designed Primary Area 600 ft, ame EMITTER in
Designed Reserve Area 600 ftt acin, .5
in
Trench/Bed Width 25 ft `4 � 4% ^ Manifold
Trench/Bed Length 24 ft S" Cl - SCHEDULE 40
r
Elevation Measurements AiTE mi 40 ft
Original Drainfield Area Slope 6-8 ue �Fa o SIGNER1
Z in
New Slope,If Altered % c "P'rt"d manifold co ifiguration used? O Yes O No
Depth of Excavation Upslope in Transport Pipe
from Original Grade Dowmr10pe in Sc dule/Class N/A
Designed Vertical Separation 18 in Le R ® E ft
Gmvelless Chambers Required? ❑Yes O No O Option tmneter MAR 1 6 in
Pump Required? Yes Noling sWump Chamber
Pump/Siphon Specifications TAL,EAL; 411
Diff. in Elevation Between Pump&Uppermost Orifice_ft Dose quen IR W gal
Drainfield Squirt Height/Selected Residual(head) _ft Chamber Capacity(fl od) 1200 gal
Uppermost Orifice❑Higher D Lower than Pump Shutoff Pump controls: Please check those required.
Capacity @ Total Pressure Head glum OTimer OElapse Meter ❑ Event Counter
Calculated Total Pressure Head <50 ft If Timer: Pump on 30 SEC ,pump off 3 MIM
Comments `
OWNER REFER TO ITEM ONE ON PAGE 13. INSTALLER REFER ro ITEM ONE AND TWO ON
PAGE 12. TRAFFIC RATED CONCRETE TANKS REQUIRED, FOLI OW X02 INSTALLER MANUAL.
DESIGN FORM—PAGE TWO Assessor's Parcel Number. 1 2 1 0 5 — 5 2 — 0 0 0 9 1
Permit Number. SWG
DESIGN CHECKLISTS
Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
Ir1 Test hole locations 69 Drainfield orientation and layou Reference depth from original grade:
Id Soil logs Ed Trench/bed dimensions and Rf Septic tank
Bj Property lines critical distances within layout l9 Drainfield cover
❑ Existing and proposed wells RI D-BoxNalve box locations Reference depth from original grade
within 100 ft of property Ed Septic tankipump chamber
and restrictive strata:
❑ Measurements to cuts, banks,and locations pl.[ my,
61 Laterals,trench bed,top and
surface water and critical areas Z Observation port location bottom
❑ Location and orientation of 0"lean-out location ❑ Curtain drain collector
curtain drain and all absorption V Manifold placement ❑ Sand augmentation
components
0R/t9rifice placement Other cross-section detail:
m Location and dimension of Rf Observation
primary system and reserve area � Lateral placement with distance ports/clean-outs
m
to edge of bed Other Information Buildings Eii Direction of slope indicator Ed Audible/visual alarm referenced Yes No
16 Scale of drawing shown on scale 1$ ❑ Design staked out
m Waterlines bar ❑ ❑ Recorded Notices attached
NY Roads,easements,driveways, ❑ ❑ Waiver(s)attached
perking ❑ ❑ Pump curve attached
2'North arrow and scale drawing ❑ ❑ Evaluation of failure
shown on scale bar Non-residential justification
❑ ❑Waste strength
❑ ❑ Flow
DESIGN APPROVAL
The undersigned designer must be notified by installer at time of installation IdYes ❑ No
QLam, 31(-2-,
SignatuP6 of Designer Date
The undersigned has reviewed this sign on behalf of Mason County Public ealth and determined it to be in
compliance with state and local o -si regulations:
_ 32c- y
E it mal Health Specialist Date
CAUTION: DESIGN APPR VAL 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: ( 2
✓ Drainfield site conditions have not been altered to adversely affect conditi ns of design approval.
Please Note: The system must be installed by c ���
unless prior authorization is obtained from M alth.
It MAR 2 6 2024
An Installation Fee is required. -
This form may be scanned and available for public view on the Mason County
Updated Date: 12/72015
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TABLE 5
Minimum Shoulder Lengths
OS-100
240 14' 2 inches
360 21' 4 inches
480 28' 4 inches
503 35' 5 inches
The dimensions in Table 5 represent the minimum required length of the shoulder
which include coils, spacing between coils, and shoulder. These lengths can be
extended to match site conditions. Minimum shoulder spaci g is 6 inches. See
illustration below for example of shoulder length.
Basal Area:
The basal area is comprised of the total area where t e C-33 San edia is-
in contact with the receiving soil. The minimum required ba at area is lated
by dividing the design flow rate by the soil loading rate spec fied in 2 272A
(local codes may have differing loading rates). .. :
,4�p to
DWDY E.WAITE
Combining Hydraulic Layout and Basal Area Requirement LICENSED DESIGNER
"'." Dula
To combine the coil layout and the basal area, start th the coil layout.
Refer to Tables 4 or 5 for minimum shoulder lengths. Zero to 5 percent slopes
(0.5% slope) are considered flat for basal area calculations a d set back
considerations. It may be advisable to place the coils on the p side of the basal
area when the slope is 2 % or more. On flat sites, the coils s ould be placed in the
center of the basal area. The coils will be arranged in a sing, line, although the
Line can be curved to match site contours. Also, no emitter s all be placed within
6 inches of the C-33 sand media shoulder.
On sloping sites (>5 to 20% slope) the coils will be pla parallel to the
contour and one edge of the coils must be placed about 12 i ches from the
upslope basal boundary. There must be at least 6 inches sep ration added between
the drip tubing in different OS-50 coils. With the 05-100 cot the spacing is
already included with the 85 inch (7.1 foot) area. Side slope of the C-33 sand
media is at least a 1 u 1 slope. Add the minimum coil long to e„si pes determine the minimum basa, area length. Divide the tots v"+�({��a efootage by the minimum basal length to calculate the ba ea dt . o 4F�'�MAR 2 6 2024W N-COUNTY ENVIRONMENTAL
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TABLE 2
Hydraulic Layout
OS-50 coils
�4 4 1 1.4 7.0 50'
5 5 1 1.75 9. 5 50'
6 3 2 2.1 6. 50,
� 8 4 2 2.8 9. 50,
8 4 2 2.8 9. 50'
• � � :0 5 2 3.5 11.5 50'
TABLE 3
Hydraulic Layout
OS-100 coils
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6�2 2 1 1.4 4.6 50,
�3 3 1 2.1 6.9 50
�4 4 1 2.8 9.2 50'
�5 5 1 3.5 11.5 50'
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TABLE 4
Minimum Shoulder Lengths
05=50 .
Minimum Shoulder Length in
22.5
300 28
360 33.5
48C 44.5
600 55.5
The dimensions in Table 4 represent the minimum required length of the outer
shoulder which include coils, spacing between coils, and sho j1ders. These lengths
can be extended to match site conditions. Minimum shoutclei spacing and spacing
between coils is 6 inches. See illustration below for ex p o�sfi derVtb
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MAR 2 6 202q
MASON CO INTY ENVIRONMENTAL HEALTH
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Headworks: HWN-.7-RF ICI
• 3/ inches Arkal disc filter, mesh, 130 micron
3/4 inches Arad flow meter
Three oil filled pressure gauges (0-100 psi)
5 Netafim normally closed solenoid valves (Model 80)
OSCAR-XOa Parts list (500 gpd). A„e
4.e,VON
Each OSCAR-XOz unit will include: 3•y ��§�,�
LF1P-RF-AR or LF1 P-RF-ARA control panel •j, uk
LOT-30, 1/2 hp, 120 volt pump 31pd is
Hi-Blow Aerator, HB-80 (80 liter/minute) LICENSED D SIGNER
Hi-Blow diffusers
OS-50 or OS-100 Coils cxniaes usa,
PVC fittings and drip tubing adapters
• HWN-.7-RF automatic headworks
Solid Y2 inches poly tubing for connections
2 float switches
APP OVED
1113
MAR 6 �q
MASON COUNTY EN IRONMENTAL h'EALih
Jew
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OSCAR-XOZ coil Connections
Manifolds and supply lines are 1 inches Sch 40 PVC
Manifold and blank tech line adapter and connection.
sY E,W
ENSE E.WRITE
LIC ENSE P;
D DESIGNER
CMPIPES 11,10
Blank tech liner and Bioline connection with internal coupling
APPOO VE
MAR Z 6 2024
MASONOOUNiVENVIRONMENiALHEALiH
Jaw
i
Inspection ports.
i
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,Screw Type Cap L<—
�.T Cap
--� or Slip Cap lip Cp
VC Pipe
4"PVC PipeRo Vida)
(length Varies)
a 4" ong
ts(4)�90•Apart
Tell"Wait
4"PVC Tee
OSCAR Cover Options. i
There may be a desire to cover the OSCAR with someLFhing additional to the
specified ASTM C-33 sand. The intent is not to have too much additional cover over
the final C-33 sand layer. Placing too much cover will inhibit,plant root growth.
Because the C-33 sand is sub-surface irrigated, grass and other ground cover will
grow rapidly, forming a firm protective cover over the OSCAR. At the end of the
first growing season the C-33 sand layer will be as firm as native soil to walk on.
Options include:
• landscaping jute mat with grass seed or ground cover plan 1ngs
• a thin layer of mineral soil low in organic content (<10% orianics)
• Thin layer of crushed or washed rock for wind erosion Prot ction.
• Thin layer of bark to wood chips.
Do Not Cover C-33 Sand with:
• organic mix (manufactured top soil from compost)
• filter fabric
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MAR 2 6 2024 p' CINDY E.WAIT ;
0:1ASON COUNTY ENVIRONMENTAL HE H LICENSEDDESIGkER , \ 1
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Installation Notes
Oscar•XO2 Treatment System
680 E Treasure Island Dr 12105-52-00091
)k1. Installer responsible to contact designer prior to installation.
hC2. Installer responsible to submit installation form to designer with a plot map, tank
information, pump information any changes made to the design within two weeks
of final inspection by the Mason County Health Dept.
3. Stumps in the drainfield area must be cut down to ground level or below.
4. Installer and designer must meet on site prior to Installation.
5. Oscar drainfield: ASTM C33 sand media as per Washington Department of
{ Health's Recommended Standards and Guidance for Intermittent Sand Filter.
6. Traffice rated concrete two compartment tanks required for septic and pump(See
pages 6 Item A and B)
7. The prepared site plan is not a survey. It's the owner's responsibility to verify property
lines, utility lines (water, sewer, power, phone and gas) prior to installation.
8. Minimum of 6" of sand throughout out the lateral(coil)area, must be level.
9. Oscar X02 parts list on Page 9
10. The tanks may be moved as necessary to accommodate building requirements.
11. Septic tank location must meet all required setbacks.
12. Keep wheeled vehicles off the drainfield area before, during and after installation.
13. Tracked equipment only
14. ,All ground, surface water and roof drains must be diverted away from the septic tanks
and drainfield.
15. Ensure the final grade slopes away from these areas and water doesn't collect on or
around them. Use swales, berms, catch basin and tight lines, curtain drains, etc. to divert
all waters
16. Curtain drains can be no closer than 10' upgradient and 30' down gradient of the
Grainfield
17. Exposed restrictive layers, cuts, banks, etc. can be no closer than 50' downhill from the
drainfield.
18. Install access risers on all tanks, valve box and ends of laterals.
19. Make sure septic tank risers are epoxied or caulked to cast in riser rings on tank.
20. Lids must form a water and gas tight seal with the access risers.
21. This system must be installed by a Mason County Certified installer.
22. Deviation from this design without prior approval from the designer and Mason County
Health Department will make this design null and
23.This design was sized per Washington Administ iv odeWAC246-272A-0230. The
operating capacity is based on 45 gallons per per pile with two persons per
bedroom. The minimum design flow per bed r r is the operating capacity of
ninety gallons multiplied by 1.33. This res design flow of one hundred
twent allons er da T e a su a b3 0 anticipated flow is ninety
gallon er' �r y 5100410 s p y
WRITE m;
LICENSEDENSED
MAR 2 6 2024 DESIGNER �0
LnoivES
MASON COUNTY ENVIRONMENTAL HEAL-N
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System Owner Responsibilities:
it. Owner or installer responsible for payment of installation permit prior to starting
install.
2. Operation and Maintenance is required by Washington State Department of Health and
Mason County Health Department.
3. The septic tank and pump tank should be pumped every three to five years or as
needed.
4. System owners are responsible for having maintenance performed annually.
5. System owners are responsible for responding to septic issues in a timely manner.
6. System owners shall not at any time change or alter settings in the control box.
7. System owner agrees to read and abide by information regarding their system in the
User Manual provided by Mason County Public Health.
8. Keep the flow of sewage at or below the approved design operating capacity.
9. Leaky plumbing can hydraulic overload your on-site septic system
10. Keep waste strength at residential waste strength parameters.
11. Spread loads of laundry through the week.
12. Do not use excessive bleach or detergents with added whiteners.
13. Do not shower, do laundry and dishwasher at the same time
14.Antibiotics can kill or impair the biological process in the septic tank.
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MAR 2 6 2024
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