HomeMy WebLinkAboutSWG2004-00063 - SWG Design - 3/4/2004 DESIGN FORM—PAGE ONE #i•=ffy 4.IM
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A desigrj will be reviewed when 2-QgULq&of each of the following items are submitted:
♦ Canmpaad dedgn farm that has been signed and load. ♦ se.ad ayout sketch,kM kp aff appl� �—
♦ tioabd Plot Man.Including al apMicaba hems on eheewat ♦ Cross section sketch.InoNidMg aU applbable d�ie �y - - -
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Permit Number.. SWf' - ���� Designer's Name:
,# Designer's Phone#:
Applicant's Name: S�r�V�n Assessor's Parcel No.: - -
Mailing Address: ��
New W Subdivision:
City State Zip (N=ndDiv Wnffl10C 4-ot)
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p Treatment Device
O Glendon Biofilter ❑Sand Filter ❑ Mound ❑Sand Lined Drainfield
0 Aerobic Unit-Make/Model: — ❑Disinfection Unit - Mak
Drainfield Type IVIC HEM t -r!-, rF
❑ Pressure ❑Bed 'gDrainrock MAR 01
Gravity jKi ench Gravelles Chambers ,
Septic Tank/Drainfi;XeTs
atio s LateraRs
Number of Bedrooms V50z. Length Schedule/Class
Daily Flow Length
Septic Tank Capacity Q al Diameter
Receiving Soil Type(1-6) Number
Receiving Soil Appl.Rate Separation
Required Square Footage rVS0 fe Orifices
Designed Square Footage fe Total Number of Orifices
Percent Reduction Taken o° Diameter in
Trench/Bed Width ft Spacing inTrench ged Length ft
Elevation Measurements Manifold
Schedule/Class
Original Drainfield Area Slope ° Length 44
New Slope if Altered % Diameter IV I in
Depth of Excavation from in Preferred Manifold Configuration Used? ❑Yes ❑No
Original Grade J (U"Iop`)
(o in Transport Pipe
(Mwn-slope) Schedule/Class 44
Length
Designed Vertical Separation in Diameter in
Gravelless Chambers Required? ❑Yes ❑No'0 Optional Dosing and Pump Chamber
Pip Required? ❑Yes A NoDose Quantity
Number ofDoses/Day
Pump/Siphon Specifications Chamber Capacity
Difference in Elevation Between Pump Shutoff an p ost Pump Controls: Timer(or)Elapse Time Meter(okcle if required)
Orifice: If Timer. Pump On ,Pump.Off
uppermost Orifice is❑Higher, ❑Lower than Pump Shutoff Check the following components if they drain between doses:
Capacity @ Total Pressure Head: ❑Laterals 0 Manifold ❑Transport
Calculated Total Pressure Head: ft
(Attach Pump Curve)
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DESIGN FORM-PAGE TWO Revised April24,199s
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Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch
Test hole locations Drainfield orientation and layout Referenced depth from original grade:
Property lines Trench/bed dimensions and critical Septic tank lid and drainfield cover
Existing and proposed wells within distances within layout depth
100 ft of property lines D-Box/"T"/"L"locations
Critical distance measurements to cuts, -l( Septic tank/pump chamber location Reference depth from original grade
banks,and surface water Observation port location and restrictive strata:
Location and orientation of curtain Clean-out location -0( Laterals,trench/bed top and bottom
drain and all absorption components Manifold placement Curtain drain collector
Location and dimension of primary Orifice placement Sand augmentation
system and reserve area Lateral placement,with distances to
Buildings edge of bed her cross-section detail:
1K Direction of slope indicator Audiblelvisual alarm referenced Observation ports and clean-outs
Waterlines Scale of drawing shown on scale bar
Roads/easements/driveways/
parking
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Critical resource lands if applicable)
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North arrow and scale of drawing
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,Oft fA ACE' Additional Information
MC HEALTH DEPT Design staked out
O Operation and Maintenance Notice
��� ''iJ�J Attached
Waiver(s)Attached
PSD
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The undersigned designer does, ❑does not;waive the requirement to be notified by the installer of the installation and given 48
hours to perform a final inspection prior
Signature of Designer Date
The undersigned has reviewed this design on behalf of Mason County Department of Health Services and determined it to be in
compliance with state and local on-site regulations:
Environmental Health Specialist Date
Caution: DESIGN APPROVAL Is VALID ONLY UNDER THE FOLLOWING CONDITION:
./ The design is stamped"Approved"by Mason County Department of Health Services.
./ The On-site Sewage Permit has not-expired,the Permit'Expiratlon Date is: Z
./ The system is installed by a certified installer,unless prior authorization is obtained from Mason County .
Department of Health Services.
d Drainfield site conditions have not been altered to adversely affect conditions of design approval
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O:' DALE L. TAHJA
LICENSED DESIGNER
EXPIRES.
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�TOM WASOM
INSTALLATION / MAINTENANCE
GRAVITY TRENCH SYSTEM
1. Install trench bottoms level and in contour with the ground.
2. Install locator tape on top of all drain-field laterals.
3. Install drain-field during dry weather and soil conditions. Any soil smearing must be eliminated by hand
raking.
4. Install effluent filter in septic tank outlet.
S. 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.
6. Divert all roof drains and storm water run-off away from on-site sewage system.
7. No curtain drains allowed within 10 f L of the up-slope edge of the drainfield and reserve area.
8. No curtain drains allowed within 30 ft. of the up-slope edge of the drainfield and reserve area.
9. Allow no vehicular traffic or parking on drainfield and reserve area A P P t�
10. Inspect and clean effluent filter as needed
11.Have the septic tank inspected every three to five years.
12. All materials and workmanship must meet County and State regulations.
13. Deviation from this design without prior approval from the Designer and Mason
14. The prepared plot plan is not a survey, it is the owner's responsibility to verify property line locations prior
to installation. Any discrepancies must be reported to the designer prior to installation.
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