HomeMy WebLinkAboutINFRASTRUCTURE PLAN 9.16.21 - 21-00514 - Wight Subdivision - RPR6N40E175400 - Short PlatIMPROVEMENT DRAWINGS FOR:
SURVEY NOTE:
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This site plan conforms to an actual survey that was performed on the
ground by a licensed land surveyor in and for the State of Idaho. It is
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the owner's responsibility to construct all structures shown on this site
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REFERENCE SHEET
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STORMTECH CHAMBER DETAILS
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APPROVAL SIGNATURES:
DEVELOPMENT DRAWINGS FOR:
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The Civil Connection m sT �o REXBURG, ID Date: 7
REXBURG, ID Ii 9 qlf OF \0P v of
1150 Hollipark Dr. Idaho Falls, ID 83401
208.881.0081 DEQ Date:
PLOT DATE: 8/31/2021 8:04 AM
GENERAL NOTES
1. All materials, workmanship, and construction of site improvements shall meet or exceed the work standards and
specifications set forth by the CITY OF REXBURG standard specifications and drawings, and requirements of the
Idaho Standards for Public Works Construction, (ISPWC) current edition.
2. All material furnished on or for the project must meet the minimum requirements of the approving agencies or as
set forth herein, whichever is more restrictive.
3. The Contractor is cautioned that the location and/or elevation of existing utilities, as shown on these plans, is
based on records of the various utility companies and where possible, measurements taken in the field. The
Contractor must call the local utility location center at least 48 hours before any excavation to request exact field
locations of the utilities.
4. A Pre -Construction Conference shall be held a minimum of three (3) working days prior to start of work. All
Contractors, Subcontractors and/or Utility Contractors shall be present.
5. All lot dimensions and easements are to be taken from the Final Plat of the recorded subdivision plat.
6. The Contractor shall maintain all existing drainage and sanitary sewer facilities within the construction area until
the drainage improvements are in place and functioning.
7. All Contractors working within the project boundaries are responsible for compliance with all applicable safety laws
of any jurisdictional body including but not limited to, barricades, safety devices, control of traffic, excavation,
trenching, shoring, and security within and around the construction area.
8. Contractors must furnish proof that all materials installed on this project meet the requirements of Note # 2 above
at the request of the agency and/or Engineer.
9. CONNECT ENGINEERING must give approval prior to (a) backfilling trenches for pipe; (b) placing of aggregate
base; (c) placing of concrete; (d) placing of asphalt pavement. Work done without such approval shall not relieve
the Contractor from the responsibility of performing the work in an acceptable manner. Contract work will not be
accepted by the CITY OF REXBURG without the approval of the Project Engineer.
10. Developmental drawings must be submitted to the CITY OF REXBURG Public Works Dept. prior to final approval.
11. Only plan sets marked "Approved for Construction" shall be used by the project contractor(s). Use of any plans on
the job without the "Approved of Construction" stamp shall be grounds for the issuance of a stop work order.
Contractor must also maintain a set of plans stamped with approval by the Department of Environmental Quality
on site.
12. Contractor is responsible for property corner protection. The cost of $30 per corner will be held as retainage until
all interior corners are verified to be in place.
13. Each Contractor shall be responsible for acquiring any necessary NPDES permits, filing any NOI's or NOT's, and
preparing a Storm Water Pollution Prevention Plan (SWPPP) in accordance with the Environmental Protection
Agency. Contact the EPA at 208.378.5776 for the required information. Said permit shall be presented to the
Engineer at least forty-eight (48) hours prior to the beginning of construction.
14. The Contractor shall be responsible for keeping roadways free and clear of all construction debris and dirt tracked
in from the site.
15. All measures possible shall be taken to ensure erosion control with Best Management Practices.
16. Quantities shown are estimates by the Engineer. The Contractor must verify all quantities. If there is a
large discrepancy contact the Engineer.
17. All work must meet standards set forth by the American Disabilities Act (ADA) inside public rights of way.
18. Trench backfill Type 2A compaction "Water Settling" will not be an acceptable method of trench backfill
compaction.
19. All water valves, blow -offs and manholes will be placed so as not to conflict with any concrete curb, gutter,
valley gutter, and sidewalk improvements.
20. CONNECT ENGINEERING and/or Inspector shall make periodic visits to the project location to ensure that the
site improvements meet or exceed standards and design as per the approved construction drawings.
21. To receive final acceptance, Contractor must submit copy of field plans complete with construction notes
and As -Built information, corrections, changes, etc.
22. Contractor must have ISPWC manual (current edition) on-site during all phases of construction. Failure to do so
may result in non-acceptance of the site by DEQ, Engineer, City etc.
23. A copy of the Quality Control Signature sheet (with all applicable signatures) shall be delivered to CONNECT
ENGINEERING prior to the walk-thru.
24. A Right -of -Way Construction Permit from the CITY OF REXBURG Public Works is required for any construction in
the road right-of-way not shown on these improvement drawings.
25. Contractors shall provide a one (1) year warranty on all roads from the date of formal acceptance by the CITY OF
REXBURG.
26. Lot corners and centerline intersection monuments have been staked as shown on the recorded plat of this
subdivision. Should any of these monuments be lost or disturbed during construction Idaho Code 55-1613 requires
said monuments will be reestablished by a professional land surveyor at the expense of the agency or person
causing the loss or disturbance.
27. All Construction Staking shall be provided by the owner one time, but if restaking is required this shall be provided
at the Contractors expense.
28. It is the contractors reasonability to know which permits are needed and obtain all construction permits including
ROW for bore.
29. Plans are intended to be printed in color for added clarity of design.
ELECTRICAL NOTES
1. All new electrical facilities shall be constructed in accordance with the current Rocky Mountain Power Service
Policy. Each utility shall be constructed to its own policy.
2. Electrical sectionalizing cabinets and bases (when required) will be provided by Rocky Mountain Power but shall
be installed by the Developer/Contractor.
3. All primary and secondary conduits shall be provided and installed by the Developer/Contractor. All electrical
conduits and 36" radius elbows shall be schedule 40 pvc.
4. The minimum power trench depth shall be 54" below finished grade. (Conduit to be installed 48" below finish
grade). Including 6" of sand bedding below and above -top of conduits.
5. Primary and secondary conduit depths can be reduced to 18" of cover below finished grade with approval by
Rocky Mountain Power. Rigid galvanized steel conduit must be provided and installed by the
Developer/Contractor in a trench that is less than 48" deep.
6. The Contractor shall retain and protect all existing City power poles and electrical facilities during construction
except those facilities shown to be relocated or moved per Rocky Mountain Power contractors map.
7. Coordinate all electrical construction with Rocky Mountain Power.
8. Owner shall bear all costs to relocate or remove existing power poles, light poles, anchor guys, and miscellaneous
electrical facilities, except those facilities inside city rights of way.
9. The Owner/Developer shall provide all trenching, conduit and concrete light pole foundations for street illumination
along all Public Right of Way as per Rocky Mountain Power current service policy. In addition, Owner/Developer
shall purchase street light assembly provided and installed by Rocky Mountain Power.
10. If applicable, see Rocky Mountain Power Electrical site plan for off-site electrical and fiber optic facilities, layout,
and installation details.
11. With exception of conduit crossing, contractor shall install curb and gutter prior to power trench and conduit
installation or (with Rocky Mountain Power approval) centerline of trench may be staked with cut/fill to bottom of
trench at all grade breaks and hubs at 25' intervals and offset stakes at all transformers, switch cabinets,
secondary pedestals etc.
12. Contact Rocky Mountain Power prior to construction.
SEWER NOTES
1. Prior to construction it shall bet e
h responsibility of the contractor to inform all the utility companies of the
construction schedule.
2. All existingutility y I ocations
and depths are approximate and shall be verified by the contractor.
3. All elevations are based on the USED DATUM.
4. Manhole rim elevations as shown on the Construction Drawings are approximate. The manhole frames and
covers shall be constructed ru ted in accordance with the CITY OF REXBURG Standard Drawings. Rim elevations
shall be determined by the engineer in the field during construction.
5. Contractor shall repave any existing paved streets disturbed during construction.
6. Retain and protect all irrigation and drainage crossings. The contractor shall coordinate with the owner and the
Rexburg Irrigation Company (208-356-5251) for the inspection of the exposed irrigation and/or drainage pipe
crossings. If existing pipes
are damaged, the affected pipe will be replaced by the contractor.
7. The developer's engineer p ngm er shall be present during all testing of the sewer construction.
8. Retain and protect existing curb, gutter and sidewalk. if removal is necessary, replacement shall be incidental to
project.
9. The following type and class of pipe will be permitted: gravity pipe shall conform to ASTM D-3034, PVC, SDR
35, or other pipe approved in the CITY OF REXBURG Standards.
10. All work shall be constructed to the CITY OF REXBURG Standards. All work shall be approved by the CITY OF
REXBURG.
11. Sanitary sewer manhole cones shall be set a maximum of one (1) foot below specified ring elevations by sewer
contractor. All remaining manhole materials, other than concrete collars necessary to construct manhole to
finished grade, shall be furnished by the sewer contractor for placement at finished grade by street paving
contractor. All materials for concrete around manhole rings shall be supplied and constructed to finished grade
by street contractor. The owner's engineer shall be contacted 24 hours prior to placing concrete collars.
12. The trench backfill above the pipe zone will be inspected by the owner's engineer in accordance with the latest
edition of the Idaho Standards for Public Works Construction Specifications and the CITY OF REXBURG
Standards and Specifications.
13. Where PVC is utilized, a rubber ring or approved equivalent is to be installed where the pipe is in contact with
manhole base and/or manhole channel in order to insure a watertight seal.
14. Where it is necessary for sewer and water to cross each other and the sewer line is above or less than 18 inches
below the water main, the sewer line crossing shall be either:
a. Non -Potable pipeline construction with potable water Gass pie for a minimum of ten (10) feet either side of
potable pipeline with a single twenty (20) feet section of potable water class pipe centered on the crossing; or
b. Sleeve non -potable or potable pipeline with potable water class pipe ten (10) feet either side of crossing.
Use of hydraulic cementitous materials such as concrete, controlled density fill, and concrete slurry
encasement is not allowed as a substitute for sleeving.
If potable pipeline is below non -potable pipeline the non -potable pipeline must also be supported through the
crossing to prevent settling.
15. Where the sewer main depth will allow, all sewer service lines shall be constructed to a depth of 9.5' at property
line. The contractor shall use 4" diameter PVC pipe or approved equivalent for all service lines. All sewer service
lines shall be constructed at a minimum grade of 1%.
16. Sewer service lines shall be 4" PVC and constructed to a point 15' inside the front lot line as shown. Except
where otherwise located, the sewer service lines shall be constructed as shown on plan.
17. The horizontal separation of the water and sewer mains shall be a minimum of ten (10) feet.
18. Contractor shall notify the CITY OF REXBURG City Engineer and the developer's engineer 48 hours in advance
of construction.
19. Water levels shall be maintained below the trench bottom during the pipe laying and joining operation. The
dewatering method shall be discussed with the engineer and approved prior to construction. Ditches and storm
drain facilities that are silted up due to the contractor's dewatering shall be cleaned and restored to their original
state.
20. Contractor shall locate and protect all underground utilities during construction.
21. The developer shall test the compaction of the sewer pipeline bedding in accordance with the the ISPWC
specifications, and will be done by an outside testing laboratory. The cost of this service shall be paid by the
developer. However, if the test fails, the cost of the test and any retesting shall be paid by the
contractor. The contractor shall coordinate with the developer's engineer and the testing laboratory to
schedule the tests, backfilling, and pipe laying operation.
22. After all utilities are constructed and just prior to paving, the contractor shall perform an air test on the sewer
system. The developer's engineer shall be present to witness the test.The contractor shall contact the engineer
24 hours prior to testing. City of REXBURG requires low pressure air or hydrostatic testing, mandrel, and CCTV
inspection of the completed sewer.
23. The contractor shall leave the excavation for the upstream end of all service lines open for field verification of the
invert elevation by the engineer's inspector. The contractor shall not backfill the ends of service lines until he has
obtained approval from the engineer's inspector or made other arrangements for verification of service line invert
elevations.
24. Service and main piping shall be in accordance with ASTM 3034 and shall be SDR 35 or greater plastic pipe or
approved equal.
25. Service wyes shall be installed per the CITY OF REXBURG Standards.
26. Backfill compaction of drop manholes shall not be accepted without full time inspection by developer's engineer
during compaction work.
27. At all times, when laying pipe is not in progress, open ends of the pipe shall be closed by a watertight plug or
other approved means. At the close of the day's work, or whenever workmen are absent from the job, the end of
the last laid section shall be plugged, capped, or tightly closed to prevent entry of foreign material.
28. All visible leaks shall be repaired - even if the leakage is below allowable limits.
29. The developer's engineer shall be present during all testing of the sewer line.
30. A minimum of 18" vertical clearance must exist between potable and non -potable lines.
STREET SIGNING
1. All road striping and traffic signing shall be designed, constructed, and placed according to the current Manual of
Uniform Traffic Control Devices (MUTCD) with the following exceptions:
1.1. All Stop and Yield signs used in any subdivision shall be a minimum 30" X 30", engineer grade sheeting is not
allowed.
1.2. All Road Name and Street signs shall have a minimum 4" legend. Both background and legend shall be
retro -reflective. Standard colors are white legend and green background except private roads, which will have
a blue background.
1.3. Substrate material shall be aluminum; no fiberglass or plastic will be accepted.
1.4. The minimum size for Speed Limit Signs shall be 24"W X 30"L with black legend on white background.
1.5. Posts shall be metal and shall be anchored with a "soil type" anchor. No concrete shall be used as an anchor.
Posts shall be 2" X 2" square and must meet break -a -way standards of the State of Idaho. No U -channel shall
be used.
1.6. The minimum height of signs shall be 6' from the road surface to the bottom of the sign.
1.7. Maintenance of all street and traffic signs will be the responsibility of the developer until the streets are
officially accepted for maintenance by the CITY OF REXBURG.
APPROVED BY DATE:
City of Rexburg
WATER NOTES
1. The water system shall be constructed to conform with the standards set forth in the "Idaho Regulations for Public
DrinkingS
Water Systems" and the current CITY OF REXBURG standard drawings and specifications.
2. The pipe shall be installed in a workmanlike manner by persons properly qualified to perform said work and shall be in
conformance with the manufacturer's recommendations as approved by the City Engineer. All work and materials must
conform to current requirements of the CITY OF REXBURG. Water distribution mains shall be constructed with clas 50
DIi e AWWA C-900 D
p p R 18 PVC or Pressure Class 250 DIP.
3. All water services shall be 1" DR7 (200 psi) PE IPS pipe and have a minimum cover of 5 feet per City of REXBURG
Std. Dwgs 9600-1 and / or 600-3. Cap lines 15' inside property lines after installation of the water mains. The trenches
shall be compacted to 95% of maximum density to prevent further settlement. All mains shall be leak -tested,
disinfected, flushed and bacteria tested before connecting to the municipal system. Mueller thermal coil meter pit, or
equivalent, required for all water services.
4. Where it is necessary for sewer and water to cross each other and the sewer line is above or less than 18 inches below
the water main, the sewer line crossing shall be either:
a. Non -Potable pipeline construction with potable water Gass pie for a minimum of ten (10) feet either side of
potable pipeline with a single twenty (20) feet section of potable water class pipe centered on the crossing; or
b. Sleeve non -potable or potable pipeline with potable water class pipe ten (10) feet either side of crossing.
Use of hydraulic cementitous materials such as concrete, controlled density fill, and concrete slurry encasement
is not allowed as a substitute for sleeving.
If potable pipeline is below non -potable pipeline, the non -potable pipeline must also be supported through the
crossing to prevent settling.
5. All tees, plugs, caps and bends, and at other locations where unbalanced forces exist, shall be secured and anchored
by concrete thrust blocks as shown on CITY OF REXBURG std. dwgs.
6. CONNECT ENGINEERING will provide one (1) set of construction stakes for each of the following items: water main
lines, fire hydrants, and service connections.
7. Contractor to field verify all valve box lid elevations to assure that said lid elevations match final street grade.
8. The paving contractor shall be responsible for constructing concrete collars and final adjustments of water valves to
grade.
9. Pipes laid on a curve: the maximum joint deflection shall be 5 percent or the manufacturer's recommendation,
whichever is less.
10. The developer will test the compaction of the water pipeline bedding in accordance with the ISPWC specifications
construction inspection policy. Testing will be done by an outside testing laboratory. The cost of this service shall be
paid by the developer. However, if the test fails, the cost of the test and any retesting shall be paid by the water
contractor. The contractor shall coordinate with the developer's engineer and testing laboratory to schedule the tests,
his backfilling, and pipe laying operation.
11. The developer's engineer shall be present during all testing of the water line.
12. The horizontal separation of the water and sanitary sewer, or storm drain shall be a minimum of ten (10) feet.
13. The water line construction shall conform to the depth of public health and welfare regulations of public drinking. A
minimum of 5 -foot cover for water lines water systems and disinfection specifications shall be kept.
14. Fire hydrants or temporary blow -offs shall be installed on dead-end water lines.
15. Water lines shall not exceed 8' in depth from finished grade.
16. At all times, when laying pipe is not in progress, open ends of the pipe shall be closed by a watertight plug or other
approved means. At the close of the day's work, or whenever workmen are absent from the job, the end of the last laid
section shall be plugged, capped, or tightly closed to prevent entry of foreign material.
17. All water main fittings to be mechanical joint; no flanged fittings.
18. A minimum of 18" vertical clearance must exist between potable and non -potable lines.
19. Fire hydrants shall be Clow Medallion or Waterous Pacer. Any other type shall be up to the CITY OF REXBURG to
approve or reject. All fire hydrants shall be painted red.
20. Install No. 12AWG copper locating wire with insulation on all water pipe and water service lines. Utilize epoxy splice
kits.
STREET CONSTRUCTION
1. All construction within public right-of-way shall conform to the current edition of the ISPWC and the CITY OF REXBURG
standards. No exceptions to Policy Standards and the ISPWC will be allowed unless specifically and previously
approved in writing by the CITY OF REXBURG.
2. No construction shall begin before the Pre -Construction meeting, which the Contractor is required to attend.
3. Sanitary sewer and storm drain manholes, cones and structures shall be set to specified elevation by their respective
contractors. All remaining manhole materials, except concrete collars, necessary to construct manhole to finished grade
in pavement areas shall be furnished by the Contractor for placement at finished grade. For manholes not within
pavement areas, the manhole rings shall be set to finished grade by their respective contractor. Contractor shall contact
the CITY OF REXBURG twenty-four (24) hours prior to pouring concrete collars.
4. Contractor shall construct four inches (4") of asphalt pavement thickness at joint locations for all pavement matches.
5. All reinforced concrete pipe shall conform to ASTM C-76 Specifications for the class of pipe indicated, and shall be
installed watertight.
6. All work will be inspected by CONNECT ENGINEERING and monitored by the CITY OF REXBURG in accordance with
the latest edition of the "REXBURG STANDARD DRAWINGS AND SPECIFICATIONS" and the ISPWC.
7. Borrow shall be obtained from sources designated or approved in writing by the Engineer.
8. Clearing and grubbing shall consist of removing all natural and artificial objectionable materials. Under no
circumstances shall roadways be placed on frozen or objectionable material.
9. The subgrade shall be excavated and bladed to remove all uneven areas and to secure a uniform surface true to grade
and line. The subgrade material shall then be scarified to a depth of eight inches (8"), adjusted to within approximately
2% of optimum moisture content and compacted to the minimum density required as stated in ISPWC.
10. All concrete used shall be Class 4 and have a strength of four thousand (4000) PSI in twenty-eight (28) days. The
concrete mix shall include Fly Ash for ASR mitigation. The mix design shall be approved by the engineer. All concrete
shall be cured by a liquid membrane -forming curing compound method, unless otherwise specified in writing by the
Engineer.
11. The plant mix should be a %2 -inch SP3 PG 58-28, 1 to 10 million design ESALs superpave hot mix asphalt design.
12. All road stripping and excess topsoil shall be stockpiled out of the right-of-way and stored at Contractor's expense.
13. A traffic control plan based on the latest edition of the Manual on Uniform Traffic Control Devices (MUTCD) shall be
approved by the CITY OF REXBURG Public Works Department prior to construction.
14. Parked equipment and stored materials shall be kept as far away from the travelway as feasible. Items
left overnight within 30 feet of the travel way shall be marked and/or protected.
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DEPARTMENT OF ENVIRONMENTAL QUALITY
INTERMOUNTIAN GAS COMPANY
CITY OF REXBURG
900 N SKYLINE, SUITE B
1527 HOLLIPARK DR
35 N 1ST E,
IDAHO FALLS, IDAHO 83402
IDAHO FALLS IDAHO, IDAHO 83401
REXBURG, ID 83440
(208) 528-2650
(208) 542-6632
(208) 359-3020
STARLIGHT
ROCKY MOUNTAIN POWER
1525 SHERRY DR.
170 W 2ND N
IDAHO FALLS, ID 83403
REXBURG, ID 83440
(208) 523-4567
(888) 221-7070
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DATE: August 31, 2021
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PRELIMINARY NOT
FOR CONSTRUCTION
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SHEET
2
OF SHEETS
RETAIN AND PROTECT
100.1 RETAIN AND PROTECT
200.1
SAW -CUT UNE AND ASPHALT REMOVAL, REPAIR ASPHALT AND
501-12
UTILITY TRENCH PER ISPWC SD - 306
502-1
WATER
401
INSTALL 6" WATER PIPE PVC C-900 @ 5 MINIMUM COVER
401$
INSTALL 8' WATER PIPE PVC C-900 @ S MINIMUM COVER
401-10
INSTALL 10' WATER PIPE PVC C-900 @ 5 MINIMUM COVER
401-12
INSTALL 12" WATER PIPE PVC C -90D @ 5• MINIMUM COVER
gpi_8 6
INSTALL 8' TO 6"C50 -DI REDUCER WITH THRUST BLOCK PER
O
ISPWC SD - 403
401.6.6.6
INSTALL 6N6"x6" TEE WITH THRUST BLOCK PER ISPWC SD- 403
401.8.8.8
INSTALL 8"x8"x8' TEE WITH THRUST BLOCK PER ISPWC SO- 403
401.12 12 12
INSTALL 12*x12•x12" TEE WITH THRUST BLOCK PER ISPWC SD -
U)
W
403
401-6.8.6
INSTALL 8'x8'x6" TEE WITH THRUST BLOCK PER ISPWC SD - 403
401-12.12.6
INSTALL 12"x12•x6' TEE WITH THRUST BLOCK PER ISPWC SO -
403
401-12,12.8
INSTALL 12'x12"x8- TEE WITH THRUST BLOCK PER ISPWC SD -
403
401.611
INSTALL 6'11.25* BEND WITH THRUST BLOCK PER ISPWC SD -
STREET RIGHT-OF-WAY (ROW)
403
401.6 22
INSTALL 6"22.5' BEND WITH THRUST BLOCK PER ISPWC SD - 403
401.6.45
INSTALL 6.45' BEND WITH THRUST BLOCK PER ISPWC SO - 403
401-6.90
INSTALL 6.90' BEND WITH THRUST BLOCK PER ISPWC SD - 403
4014311
INSTALL W 11.25' BEND WITH THRUST BLOCK PER ISPWC SO -
403
401 22
INSTALL S'22.5* BEND WITH THRUST BLOCK PER ISPWC SO- 403
401-8 45
INSTALL 8' 45' BEND WITH THRUST BLOCK PER ISPWC SO- 403
401-0 yp
INSTALL 8'90' BEND WITH THRUST BLOCK PER ISPWC SO.403
402y
INSTALL 6" WATER VALVE PER ISPWC SD - 406
402_8
INSTALL 8' WATER VALVE PER ISPWC SD- 406
402.12
INSTALL 12' WATER VALVE PER ISPWC SD- 406
gpyi
FIRE HYDRANT -DETAIL ISPWC SD -404
4041
INSTALL 1' WATER SERVICE WITH METER PIT INCLUDING METER
— — — — — — -
PER IF SD -401A
4041 5
INSTALL 1.S WATER SERVICE WITH METER PIT INCLUDING
EXIST. WATER SERVICE
METER PER IF SD -401A
gpq-2
INSTALL 2" WATER SERVICE WITH METER PIT INCLUDING METER
PER IF SD -401A
ASPHALT ROAD SECTION
NOTE:
NOT ALL HATCHES, LINETYPES,
REFERENCES, AND SYMBOLS ON THIS
SHEET ARE INCLUDED IN THIS PLAN SET.
REFERENCES
DETAILS
3' DEPTH ASPHALT PLANT MIX
6' DEPTH CRUSHED %MINUS
AGGREGATELEVELING COURSE
COMPACTED TO 95% ASTM
D698
18' DEPTH UNCRUSHED
AGGREGATE SUBBASE COURSE
COMPACTED TO 95% ASTM D698
SUBGRADE EARTH COMPACTED
TO 95% ASTM 1>698
50143
INSTALL 8' SDR 35 SANITARY SEWER PIPE @ 0.4% MIN.
501-12
INSTALL 12" SDR 35 SANITARY SEWER PIPE @ 0.4% MIN.
502-1
INSTALL 4• SS MH PER ISPWC SO -50i
5044
INSTALL 4' SDR 35 SANITARY SEWER SERVICE @ 2% MIN SLOPE
706D1
TO EASEMENT PER IF -511
®
INSTALL 6'C-900 PRESSURIZED SANITARY SEWER
Spm yp
INSTALL 690' PRESSURE SEWER BEND WITH THRUST BLOCK PER
706S2
ISPWC SO -403
O
STORM
601.12
INSTALL 12' ADS N 12 STORM PIPE @ 0.22% MIN SLOPE
602-1
INSTALL SD MANHOLE TYPE A WITH REGULAR UD PER IF -612
602_2
INSTALL 30' DIAMETER PRECAST CATCH BASIN TYPE IV PER
U)
W
IF -604A
706R7 INSTALL ADA PEDESTRIAN RAMP W/DETECTABLE WARNING DOMES
PER ISPWC SD -712
707-T7 INSTALL CURB TERMINUS PER ISPWC SN707
PRESSURE IRRIGATION
0901.4.1 A.1-01
CONCRETE
7061
INSTALL 6' CURB AND GUTTER PER ISPWC SD -705 TYPE III
7062
INSTALL S"UP DOWN CURB AND GUTTER PER DETAIL THIS SHEET
706-A7
INSTALL CONCRETE COMMERCIAL APPROACH PER ISPWC SD -710
706D1
INSTALL CURB DRAIN PER ISPWC SD415
706V7
INSTALL VALLEY GUTTER PER SD -708
70651
INSTALL 4' CONCRETE SIDEWALK PER ISPWC SD -709
706S2
INSTALL INTEGRAL CONCRETE SIDE WALK PER DETAIL THIS SHEET
706R7 INSTALL ADA PEDESTRIAN RAMP W/DETECTABLE WARNING DOMES
PER ISPWC SD -712
707-T7 INSTALL CURB TERMINUS PER ISPWC SN707
PRESSURE IRRIGATION
0901.4.1 A.1-01
INSTALL 1" PRESSURIZED IRRIGATION
0901.4.1 A.1-1.5
INSTALL 1.5' PRESSURIZED IRRIGATION
0901.4.1 A.1-02
INSTALL 2" PRESSURIZED IRRIGATION
0901 41 B 1-90
INSTALL 90' PRESSURIZED IRRIGATION BEND
0902.4.1 A.1 -0i
INSTALL PRESSURIZED IRRIGATION VALVE
JOB NO: 21-073
TRAFFIC SIGNAL AND
STREET LIGHTING
1102_1 INSTALL STREET LIGHT
11031 INSTALL STOP SIGN AND STREET SIGNS PER MUTCD STD.
fPROPOSED
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EXIST. CATCH BASIN
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JOB NO: 21-073
EXIST. LIGHT POLE
EXIST. VALVE
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EXIST, STORM DRAIN MANHOLE
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EXIST. SANITARY SEWER MANHOLE
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— _ _ _ _
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PPROPOSED WATER SERVICE
STREET RIGHT-OF-WAY (ROW)
mx
—.—. --- .—.—.— —.—
— —.— _
EASEMENT UNE
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- — _ — _ —
_ _ _ —
CENTERUNE OF ROAD
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EXIST. STORM DRAIN UNE
- — — — — — — — — — —
— — — — — — -
EXIST. SANITARY SEWER SERVICE
------------------
EXIST. WATER SERVICE
B••
EXIST. WATERLINE
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EXIST. SANITARY SEWER LINE
EXIST. CURB & GUTTER
EXIST. UNDERGROUND POWER
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EXIST. OVERHEAD POWER
—
EXIST. MAJOR CONTOUR
— —
— —
EXIST. MINOR CONTOUR
fPROPOSED
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JOB NO: 21-073
PROPOSED STREET LIGHT
PROPOSEDVALVE
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PROPOSED STORM DRAIN MANHOLE
OPROPOSED
SANITARY SEWER MANHOLE
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U
- — — — — — —
— — —
— — — — — — — - PROPOSED SANITARY SEWER SERVICE
------------------
M�
PPROPOSED WATER SERVICE
-
8" w
PROPOSED WATERLINE
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PROPOSED SANITARY SEWER LINE
NW
LL
z
PROPOSED CURB & GUTTER
PROPOSED UNDERGROUND POWER
PROPOSED OVERHEAD POWER
- — — — — — — — — — — — — — — — — - PROPOSED MAJOR CONTOUR
- — — — — — — — — — — — — - PROPOSED MINOR CONTOUR
EXISTING ASPHALT
EXISTING CONCRETE
® PROPOSED ASPHALT
PROPOSED CONCRETE
117771-17, 77-1 PROPOSED BUILDINGS
PROPOSED LANDSCAPING
-W
GS
HP
INV IN
INV OUT
L
LP
OFF
PC
PI
PUD
PUE
PVI
R
CB
BOTTOM
SDMH
FINISH FLOOR SF
GRADE BREAK SSMH
HIGH POINT
STA
INVERTIN TBC
INVERT OUT
TSW
LEFT
LOW POINT
OFFSET
POINT OF CURVATURE
POINT OF INTERSECTION
PLANNED UNIT DEVELOPMENT
PUBLIC UTILITY EASEMENT
POINT OF VERTICAL INTERSECTION
RIGHT
STORM DRAIN CATCH BASIN
STORM DRAIN MANHOLE
SQUARE FEET
SANITARY SEWER MANHOLE
STATION
TOP BACK OF CURB
TOP OF SIDEWALK
1 m
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JOB NO: 21-073
DATE: August 31, 2021
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�T .�
9 9TF OF WAP
'FF 1
SHEET
3
OF 7 SHEETS
aJx .
-"a tlIN ..9-
- GRAPHIC SCALE
- --- --- - _-- _-- --- 30 0 15 JO 60 120
CONTROL POINT #3
N 2nd E - - - ( IN FEET )
200-1
I inch = 30 ft.
�\ �) TBC -L AREA 1
I ris�-r+r-�-t'�=-I7BGPVIL AREA 2
_
-0.401,
STORM WATER AREA WATERSHED AREA (SQ. FT) REQUIRED VOLUME (CU. FT.)
AREA'1.3+12= REQ. CU. FT.
-0.40%
602-2 Install 31' of 12' ADS N 12 Storm Pipe @ 3.05% TBC -P
-- -- -,.
TBC -PV
_
2 19,852 2,151
2,187
TOTAL 39,649 4,317
_
22+,p0 L1-
_
/_
-0. 4o i
-
601-12 -4F7
,� - -
ow
602-1 C -P - - -
4+1)0
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I
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_� ----
601-12
-.--- --- - -- -�----
TSTE.TEC.S.-1,1. -- k-
---- -
-
404-1 I
MY
STORCH SC -740
SEEDETAILSSHEET5
�,,•
\601.12
41
706.57
\ I I
SDMH-1
I I
4 SEE DETAILS SHEET 5 Q I
ONTRIOL POINT 41 II
�
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1 1
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\ I 4041
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1
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2nd E IMPROVEMENTS - PLAN VIEW
STORM WATERAREA
STORM WATER INFORMATION
-^------�
STORM WATER AREA WATERSHED AREA (SQ. FT) REQUIRED VOLUME (CU. FT.)
AREA'1.3+12= REQ. CU. FT.
PROVIDED STORM WATER
VOLUME (CU. FT.)
1 19,997 2,166
2,187
2 19,852 2,151
2,187
TOTAL 39,649 4,317
4,374
r r �`rlr
i��Y���
®SEE I
_DETAILS SHEET 5•
r®'
NOTE:
STORM WATER EASEMENT REQUIRED FROM LOT
POINT #2 OWNER TO CIN OF REXBURG FOR STORMTECH
CHAMBER LOCATIONS.
CONNECT TO EXISTING WATER LINE
CONTRACTOR TO FIELD VERIFY LOCATION AND BURY DEPTH.
usxr--mi- C CONTRACTOR TO TAKE NECESSARY PRECAUTIONS FOR
INSTALLATION OF WATER LINE NEXT TO POWER POLE.
ALIGNMENT TABLE
-^------�
Number Begin Station End Station Radius Length Line/Chord Direction
Begin Point End Point
L7 1+00,00 3+21.61 221.61 N5' 49'15.79"E
N: 793845.38, E: 758711.26 N: 794065.85, E: 758733.74
L2 3+21.61 5+75.00 253.39 N5' 22' 11.69"E
N: 794065.85, E: 758733.74 N: 794318.13, E: 758757.45
4880
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I aw
4876
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--SO CB -1---
----_Sta:2+24.21OFF:22.43R_-
-----__-----
-0.78%
Sta:2+20.84 OFF: -8.24L
Rim:4876.10_
Rim:4875.57
INV IN48722
--
--------
INV OUTA873.10
INV OUT:4872..
INV
OUTA872.06 I
� `EXISTING SURFACE I
I
I
SDMH-2
--------I-
------ - -I---
- - -I--------�---
_-----I.---------I----------%-------------------)--
-
Sta:5+62.24OFF:11.81R
Rim:4875.93
I
I
Install 32' of 12" ASTM
D-3034 San. Pipe @ 0.71 %
I
INV IN 4871.99
INV OUT:4871.89
4872
LF OF STORMTECH SC -740
INSTALL 87 LF OF STORMTECH SC -740
I
I
I
III11
I
I
WATER INFILTRATION CHAMBER
tLI114SITALL6W
SEE
WATER INFILTRATION CHAMBER - -
- - -- -
INSTALL 175 LF OF STORMTECH SC -740
- - -
- -
C&2
Sta:5+61.10
DETAILS SHEET 5
SEE DETAILS SHEET 5
i
I
E
I WATER SEE DETAILS SHEET MBER
I
OFE-10.00L
Rim:4875.59
INV OUT:4872.59
-
I- - -EXISTING 8- WATER MAIN
- - - - "EXISTING 8'
WATER MAIN
_ - - - - - - - - - -
- - - -
- - - -
I
ENSURE 18' MIN. VERTICAL
ENSURE 18" MIN. VERTICAL
I I
I
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EXISTING 8-
I
WATER MAIN
i
SEPARATION
(SEE WATER NOTE 4)
- - - - - - - - -
SEPARATION
I I
EXST SSWR MH -24868
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(SEE WATER NOTE 4)-
- - - - - - ---------
I-
Sta:3+21.66 OFF: -9. 58L
Rt. 4876.89
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- -
INV INA863.04
I
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INV OUT:4862.94
I
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4864
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EXISTINGSANITARY SEWER
--------I--------I-------------..
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EXISTING SANITARY SEWER
I
I
I
I
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DATUM ELEV
--------
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------
4860.00
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2+00
3+00
4+00
5+00
5+75
2nd E IMPROVEMENTS - PROFILE VIEW
CONTROL POINT TABLE
Point# Elevation Northing Easting Description
1 4873.96 793992.91 758743.85 rbnc bent
2 4874.83 794312.56 758745.21 rbac
3 4875.97 794316.31 758703.19 RBAC
SEE SHEET FOR MORE
INFORMATION
10D-1 RETAIN AND PROTECT
200-1 SAW CUT AND ASPHALT
REMOVAL
401.6 6" WATER MAIN
401-8 8' WATER MAIN
402-8 8" WATER MAIN VALVE
403-1 FIRE HYDRANT ASSEMBLY
4041 1' WATER SERVICE
5044 4' SEWER SERVICE
601-12 12" STORM MAIN
602-1 STORM MAIN MANHOLE
602-2 STORM MAIN CATCH BASIN
706-1 6' VERTICAL CURB
706-A1 COMMERCIAL APPROACH
70651 INSTALL SIDEWALK PER
SHEET 3
SEE SHEET 3 FOR MORE
INFORMATION
i
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JOB NO: 21-073
DATE: August 31, 2021
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�T .r
9 qTF OF (�P
If -E- 0�
SHEET
4
OF 7 SHEETS
SC -740 TECHNICAL SPECIFICATION
NTS
90.7" (2304 -)ACTUAL LENGTH 8514*(2169 -) �NSTALUED LENGTH
<- BUILD ROW N THIS DIRECTION
".IERILIAP
NE.-T CHAMBER HERE(OVER SMALL CORRUGATION)
29.3"
(744 mm)
PART It
STUB A B C
ley'm)
W(150-) 10.9" (277
SC740EPEOST /SC740EPE08TPC
SC740EPEOBB / SC740EPF08BPC
V'(200 mm) 12.7'(310m)
1
(310 mm) "l (-'
NOMINAL CHAMBER SPECIFICATIONS
45.9" (t 166 mm)
51.0" I
(1 51. ', -•j
SIZE (W X H X INSTALLED LENGTH) 51.0" X 30.0" X 85.4" [1295-X762
CHAMBER STORAGE 45.9 CUBIC FEET
MINIMUM INSTALLED STORAGE' 74.9 CUBIC FEET 2.120)
WEIGHT 75.0 Ibs. (33.6 kg)
'ASSUMES 6" (152 mm) STONE ABOVE,
mm X 2169 mm)
Lr -
A I A --•�
15" (375 mm) 18.4" (467 mm) 9.0" (229 mm) _
1.3" (33 mm)
BELOW, AND BETWEEN CHAMBERS
18" (450 mm) 19.7' (500 mm) 5.0" (127 mm) _
1.6" (41 mm)
SC740EPE24B'
PRE -FAB STUB AT BOTTOM OF END CAP WITH FLAMP END WITH "BR"
PRE -FAB STUBS AT BOTTOM OF END CAP FOR PART NUMBERS ENDING WITH
PRE -FAB STUBS AT TOP OF END CAP FOR PART NUMBERS ENDING WITH'T'
PRE -CORED END CAPS END WITH 'PC'
1
B 1
"B"
C
PART It
STUB A B C
SC740EPE06T / SC740EPE06TPC
SC740EPE06B / SC740EPE06BPC
W(150-) 10.9" (277
SC740EPEOST /SC740EPE08TPC
SC740EPEOBB / SC740EPF08BPC
V'(200 mm) 12.7'(310m)
SC740EPE10T/SC740EPEIOTPC
SC740EPE108 / SC740EPEtOBPC
10" (250 mm) 13.4" (340 mm] 14.5" (368
O.T. (18 mm)
SC740EPE12T / SC740EPE12TPC
SC740EPE,2B / SC740EPE12BPC
17' (300 mm) 14.7' (373 mm) 125" (318 mm) _
1.7' (30 mm)
SC740EPE15T / SC740EPE15TPC
SC740EPE15B / SC740EPE15BPC
15" (375 mm) 18.4" (467 mm) 9.0" (229 mm) _
1.3" (33 mm)
SC74DE118T / SC740EPE18TPC
SC740EPE78B / SC740EPE18BPC
18" (450 mm) 19.7' (500 mm) 5.0" (127 mm) _
1.6" (41 mm)
SC740EPE24B'
24" -(600-) _T8 5" (470 mm) 0.1"(3 mm)
SC740EPE24BR'
24" (600 mm) 18.5" (470 mm) 0.1"(3M)
ALL STUBS, EXCEPT FOR THE S0740EPE24BISC740EPE24BR ARE PLACED AT BOTTOM OF END CAP SUCH THAT THE OUTSIDE
DIAMETER OF THE STUB IS FLUSH WITH THE BOTTOM OF THE END CAP. FOR ADDITIONAL INFORMATION CONTACT
STORMTECH AT 1-888-892-2694,
FOR THE SC740EPE24B/SC740EPE24BR THE 24" (600 mm) STUB LIES BELOW THE BOTTOM OF THE END CAP APPROXIMATELY
1.75" (44 mm). BACKFILL MATERIAL SHOULD BE REMOVED FROM BELOW THE N-12 STUB SO THAT THE FITTING SITS LEVEL
NOTE: ALL DIMENSIONS ARE NOMINAL
ACCEPTABLE FILL MATERIALS: STORMTECH SC -740 CHAMBER SYSTEMS
MATERIAL LOCATION
DESCRIPTION
_-AASHTO MATERIAL
CLASSIFICATIONS
COMPACTION / DENSITY REQUIREMENT
D
FINAL FILL: FILL MATERIAL FOR LAYER'D' STARTS FROM THE TOP OF THE -C
LAYER TO THE BOTTOM OF FLEXIBLE PAVEMENT OR UNPAVED FINISHED
GRADE ABOVE. NOTE THAT PAVEMENT SUBBASE MAY BE PART OF THE'D'
LAVER,
ANY SOILIROCK MATERIALS, NATIVE SOILS, OR PER ENGINEER'S PLANS.
CHECK PLANS FOR PAVEMENT SUBGRADE REQUIREMENTS.
NIA
PREPARE PER SITE DESIGN ENGINEER'S PLANS. PAVED
INSTALLATIONS MAY HAVE STRINGENT MATERIAL AND
PREPARATION REQUIREMENTS.
C
INITIAL FILL: FILL MATERIAL FOR LAYER 'C'STARTS FROM THE TOP OF THE
EMBEDMENT STONE ('B LAYER) TO 18" (450 mm) ABOVE THE TOP OF THE
CHAMBER. NOTE THAT PAVEMENT SUBBASE MAY BE A PART OF THE'C
LAYER.
GRANULAR WELL -GRADED SOIUAGGREGATE MIXTURES, <35% FINES OR
PROCESSED AGGREGATE.
MOST PAVEMENT SUBBASE MATERIALS CAN BE USED IN LIEU OF THIS
LAYER.
AASHTO M145'
A-1, A-24, A-3
OR
AASHTO M43'
3, 357, 4, 467, 5, 56, 57, 6, 67, 68, 7, 78, 8, 89, 9, 10
BEGIN COMPACTIONS AFTER 17' (300 mm) OF MATERIAL OVER
THE CHAMBERS IS REACHED. COMPACT ADDITIONAL LAYERS IN
6.' (150 mm) MAX LIFTS TO A MIN. 95% PROCTOR DENSITY FOR
WELL GRADED MATERIAL AND 95% RELATIVE DENSITY FOR
PROCESSED AGGREGATE MATERIALS. ROLLER GROSS
VEHICLE WEIGHT NOT TO EXCEED 12,0001bs (53 IN). DYNAMIC
FORCE NOT TO EXCEED 20,000 Ibs (89 kN).
B
EMBEDMENT STONE: FILL SURROUNDING THE CHAMBERSFROM THE
FOUNDATION STONE CA' LAYER) TO THE 'C' LAYER ABOVE.
CLEAN, CRUSHED, ANGULAR STONE
AASHTO M43'
3, 357, 4, 467, 5, 56, 57
NO COMPACTION REQUIRED.
A
PLEASE NOTE
FOUNDATION STONE: FILL BELOW CHAMBERS FROM THE SUBGRADE UP TO
THE FOOT (BOTTOM) OF THE CHAMBER.
CLEAN, CRUSHED, ANGULAR STONE
AASHTO M43'
3, 357, 4, 467, 5, 56, 57
PLATE COMPACTOR ROLL TO ACHIEVE A FLAT SURFACE.13
_
1. THE LISTED AASHTO DESIGNATIONS ARE FOR GRADATIONS ONLY. THE STONE MUST ALSO BE CLEAN, CRUSHED, ANGULAR. FOR EXAMPLE, A SPECIFICATION FOR 44 STONE WOULD STATE: "CLEAN, CRUSHED, ANGULAR NO. 4 (AASHTO M43) STONE'.
2. STORMTECH COMPACTION REQUIREMENTS ARE MET FORA' LOCATION MATERIALS WHEN PLACED AND COMPACTED IN 6'(150 mm) (MAX) LIFTS USING TWO FULL COVERAGES WITH A VIBRATORY COMPACTOR.
3. WHERE INFILTRATION SURFACES MAY BE COMPROMISED BY COMPACTION, FOR STANDARD DESIGN LOAD CONDITIONS, A FLAT SURFACE MAY BE ACHIEVED BY RAKING OR DRAGGING WITHOUT COMPACTION EQUIPMENT. FOR SPECIAL LOAD DESIGNS, CONTACT STORMTECH FOR
COMPACTION REQUIREMENTS.
4. ONCE LAYER'C IS PLACED, ANY SOIUMATERIAL CAN BE PLACED IN LAYER -D' UP TO THE FINISHED GRADE. MOST PAVEMENT SUBBASE SOILS CAN BE USED TO REPLACE THE MATERIAL REQUIREMENTS OF LAYER 'C' OR 'D' ATTHE SITE DESIGN ENGINEER'S DISCRETION.
V��N � Yui• -fir. �1�M�iY••T•� ,
F�r=�r_Ir_1r�-
NOTES:
1, CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418 -16a, "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".
2. SC -740 CHAMBERS SHALL BE DESIGNED IN ACCORDANCE WITH ASTM F2787 "STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".
3. THE SITE DESIGN ENGINEER IS RESPONSIBLE FOR ASSESSING THE BEARING RESISTANCE (ALLOWABLE BEARING CAPACITY) OF THE SUBGRADE SOILS AND THE DEPTH OF FOUNDATION STONE WITH
CONSIDERATION FOR THE RANGE OF EXPECTED SOIL MOISTURE CONDITIONS.
4.PERIMETER STONE MUST BE EXTENDED HORIZONTALLY TO THE EXCAVATION WALL FOR BOTH VERTICAL AND SLOPED EXCAVATION WALLS.
S.
REQUIREMENTS FOR HANDLING AND INSTALLATION:
• TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING, CHAMBERS SHALL HAVE INTEGRAL, INTERLOCKING STACKING LUGS.
• TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL, THE HEIGHT OF THE CHAMBER JOINT SHALL NOT BE LESS THAN 2'.
• TO ENSURE THE INTEGRITY OF THE ARCH SHAPE DURING INSTALLATION, a) THE ARCH STIFFNESS CONSTANT AS DEFINED IN SECTION 6.2.8 OF ASTM F2418 SHALL BE GREATER THAN OR EQUAL TO 550
LBSAWIN. AND b) TO RESIST CHAMBER DEFORMATION DURING INSTALLATION AT ELEVATED TEMPERATURES (ABOVE 73° F 123- C), CHAMBERS SHALL BE PRODUCED FROM REFLECTIVE GOLD OR YELLOW
COLORS.
COVER ENTIRE ISOLATOR ROW PLUS WITH ADS
GEOSYNTHETICS 6017 NON -WOVEN GEOTEXTILE
8' (2.4 m) MIN WIDE
STORMTECH HIGHLY RECOMMENDS
FLEXSTORM INSERTS IN ANY UPSTREAM
STRUCTURES WITH OPEN GRATES
CATCH BRASIN
OR
MANHOLE
SUMP DEPTH TBD BY
SITE DESIGN ENGINEER
(24"(600 mm) MIN RECOMMENDED)
ONCRETE COLLAR NOT REQUIRED
)R UNPAVED APPLICATIONS
8" NYLOPLAST INSPECTION PORT
BODY (PART4 270BAG41PKIT) OR
TRAFFIC RATED BOX W/SOLID
LOCKING COVER
4"(1('o-)
SDR 35 PIPE
4" (100 mm) INSERTA TEE
TO BE CENTERED ON
CORRUGATION CREST
4" PVC INSPECTION PORT DETAIL
(SC SERIES CHAMBER)
NTS
SC -740 ISOLATOR ROW PLUS DETAIL
is s� s -----
INSPECTION & MAINTENANCE
STEP 1) INSPECT ISOLATOR ROW FOR SEDIMENT
A. INSPECTION PORTS (IF PRESENT)
At. REMOVE/OPEN LID ON NYLOPLAST INLINE DRAIN
A2. REMOVE AND CLEAN FLEX ORM FILTER IF INSTALLED
A3. USING A FLASHLIGHT AND STADIA ROD, MEASURE DEPTH OF SEDIMENT AND RECORD ON MAINTENANCE LOG
A4. LOWER A CAMERA INTO ISOLATOR ROW FOR VISUAL INSPECTION OF SEDIMENT LEVELS (OPTIONAL)
A5. IF SEDIMENT IS AT, OR ABOVE, 3" (80 mm) PROCEED TO STEP 2. IF NOT, PROCEED TO STEP 3.
B.ALL ISOLATOR ROWS
B.1. REMOVE COVER FROM STRUCTURE AT UPSTREAM END OF ISOLATOR ROW
B.2. USING A FLASHLIGHT, INSPECT DOWN THE ISOLATOR ROW THROUGH OUTLET PIPE
i) MIRRORS ON POLES OR CAMERAS MAYBE USED TO AVOID A CONFINED SPACE ENTRY
ii) FOLLOW OSHA REGULATIONS FOR CONFINED SPACE ENTRY IF ENTERING MANHOLE
8.3. IF SEDIMENT IS AT, OR ABOVE, 3" (80 mm) PROCEED TO STEP 2. IF NOT, PROCEED TO STEP 3.
STEP 2) CLEAN OUT ISOLATOR ROW USING THE JENAC PROCESS
A A FIXED CULVERT CLEANING NOZZLE WITH REAR FACING SPREAD OF 45" (1.1 m) OR MORE IS PREFERRED
B. APPLY MULTIPLE PASSES OF JETVAC UNTIL BACKFLUSH WATER IS CLEAN
C. VACUUM STRUCTURE SUMP AS REQUIRED
STEP 3) REPLACE ALL COVERS, GRATES, FILTERS, AND LIDS. RECORD OBSERVATIONS AND ACTIONS.
STEP 4) INSPECT AND CLEAN BASINS AND MANHOLES UPSTREAM OF THE STORMTECH SYSTEM.
NOTES
1. INSPECT EVERY 6 MONTHS DURING THE FIRST YEAR OF OPERATION. ADJUST THE INSPECTION INTERVAL BASED ON PREVIOUS
OBSERVATIONS OF SEDIMENT ACCUMULATION AND HIGH WATER ELEVATIONS.
2. CONDUCT JETTING AND VACTORING ANNUALLY OR WHEN INSPECTION SHOWS THAT MAINTENANCE IS NECESSARY.
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MATERIAL
STORAGE AREA
AREA TO BE DISTURBED
WASHOUT AREA
TION AREA
SILT FENCE
OR EROSION ELL
BEST MANAGEMENT PRACTICES NOTES
1. This plan should be revised and updated to address changes in site conditions,
new or revised government regulations, and additional on-site
storm water pollution. Additional erosion control measures may be required.
2. All revisions to this plan must be documented on the SWPPP Revision
Documentation Form.
3. Current versions of the SWPPP, the NOI, and the NOC will be kept on site for
the duration of the project. These items will be available for the
use of all operators and site personal involved with erosion and sediment
controls, and be available to EPA visiting the site. A notice will be
posted near the construction entrance during construction, containing the
SWPPP, the NOI and the NOC.
4. Fugitive dust ust blowing from the site shall be controlled by spraying water and
dust control polymers as needed on dry areas of the site.
5. The contractor will be responsible for supervision and inspection of all erosion
and sedimentation controls and for ensuring the SWPPP is
implemented.
6. Prior to beginning earth -moving activities, including clearing and grubbing, all
clearing limits, easements, setbacks, sensitive areas and their buffers
will be clearly marked to prevent environmental damage both on and off the
site.
7. If sediment is accidentally transported onto the street it will be removed from
the street surface on a daily basis.
GRAPHIC SCALE
w a 25 w iao 2W
( IN FEET )
I inch = 50 ft.
OFFSITE OPERATONS
START DATE END DATE
THIS IS NOT A FULL
SWPPP. OWNER OR
CONTRACTOR IS
RESPONSIBLE FOR A
COMPLETE SWPPP
8. All off-site construction shall be stabilized at the end of the working day.
9. All waste material will be collected and stored in a securely lidded dumpster.
The dumpster will meet all local and state solid water management
regulations.
10. Portable sanitary units will be provided for use by all workers for the entire
project. Sanitary waste will be collected regularly for the portable units
by an approved sanitary waste management contractor.
11. All exposed soils will be stabilized with vegetation or covered no more than 14
days after the construction activity in that portion of the site has
temporarily or permanently ceased.
12. Existing and new vegetation will be maintained to the maximum extent
practicable to prevent the contamination of storm water with sediment.
13. The contractor shall be responsible for adjusting the erosion control measure;
due to grade changes during the development of the project.
14. Maintain on the site or have readily available sufficient oil and grease absorbing
materials to contain and clean up fuel or chemical spills and leaks.
15. Adequate energy dissipation, erosion control, and soil stabilization measures
will be provided for all point source discharges of storm water,
including run-on discharges and outlets for onsite discharges.
16. Temporary and permanent swells and small detention ponds will be used as
necessary to reduce the velocity of runoff and enhance particle settling.
17. Consistent with the general permit requirements, all potential pollutants other
than sediment will be handled and disposed of in a manner that does
not affect contamination of stormwater.
18. Materials used during construction with the potential to impact storm water, will
be stored, managed, used, and disposed of in a manner that
minimizes the potential for releases to the environment and especially in the
storm water.
19. If a spill of pollutants threatens storm water at the site, the spill response
procedures must be implemented in a timley manner to prevent the
release of pollutants.
20. All temporary and permanent erosion and sediment control BMPs will be
maintained and repaired as needed to assure continued performance
of their intended use.
21. All temporary erosion control and sediment control BMPs will be removed
within 30 days after final site stabilization is achieved or after the
temporary BMPs are no longer needed.
22. Regardless of recommended maintenance schedule, all control measures and
inspections shall be performed within 24 hours following any
storm of 0.5 inches or greater. An inspection report shall be kept at all times
and should be retained for at least three (3) years from the date
the site is stabilized.
23. All contractors providing services on the project which may cause storm water
pollution will be given a copy of the SWPPP and appropriate
training regarding stormwater pollution prevention.
NOTE:
1. AFTER ASPHALT PAVING HAS TAKEN PLACE STORM WATER DEVELOPED WILL BE
DIRECTED TO RETENTION BASINS AND PIPING PER THE APPROVED SITE PLAN
AND PERCOLATE IN DESIGNATED AREAS
2. INLET PROTECTION TO BE PLACED ON ALL STORM DRAIN INLETS AFTER
INSTALLATION THROUGH THE DURATION OF THE PROJECT.
3. WITCH HAT TO BE PLACED ON NEAREST TWO (2) INLET BOXES TO BE
PROJECTED THROUGH THE DURATION OF PROJECT.
LEGEND
__*_ STORM WATER DRAINAGE
SEDIMENTATION AREA
AREA TO BE DISTURBED
CONCRETE WASHOUT
STABILIZE CONSTRUCTION ENTRANCE/EXIT
COMBINATION STAGING AREA & VEHICLE WITCH HAT
EQUIPMENT CLEANING, FUELING AND MAIN.
MATERIALS STORAGE AREA &
STOCKPILE MANAGEMENT
��■�� SILT FENCE OR EROSION EEL
SEQUENCE OF MAJOR ACTIVITIES
ACTIVITY START DATE END DATE
POTENTIAL POLLUTANTS
CHEMICAL MSDS # LOCATION
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SHEET
6
OF 7 SHEETS
WOOD POSTS 4'-0' MIN.
LENGTH 2'-D" MIN.
DEPTH IN GROUND
GEOTEXTILE FABRIC
ONLY
BACKFILL AND
COMPACTTRENCH
VATH EXCAVATED SOIL.
ATTACH THE FABRIC TO THE
POSTS WITH WIRE STAPLES
OR WOODEN LATH AND NAILS.
NOTES:
TRENCH SHALL BEA MINIMUM OF 4" WIDE AND 6" DEEP TO BURY
AND ANCHOR THE GEOTEXTILE FABRIC. FOLD MATERIAL TO FIT
'MAX.TRENCH & RACKFILL & COMPACT TRENCH WITH EXCAVATED SOIL.
3
WOOD POSTS SHALL BE A MINIMUM SIZE OF 1 1/8"X 1 1/8" OAK OR
HICKORY.
FSO EGj\O�
SILT FENCE
NOT TO SCALE
X X X X X -j
TRUCK WASHOUT
NOT TO SCALE
/ASHOUT AREA MUST BE
NCLOSED W/ SILT FENCE
ROVIDE BERM AROUND
VASHOUT AREA
THIS IS NOT A FULL
SWPPP. OWNER OR
CONTRACTORIS
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PROPOSED SIDEWALK
STABILIZED CONSTRUCTION ENTRANCE
NOT TO SCALE
PRESSURE -----------
TREATED 2z6
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MAIL BOX
NOT TO SCALE
NOTES:
1. MAILBOX SHALL CONTAIN AT ALL TIMES:
- - A)-GTTY-APPROVED CONSTRUCTION PLANE
B) DEQ APPROVED CONSTRUCTION PLANS
C) ANY SITE INSPECTON FORMS
2. MAILBOX SHALL BE LOCKED AT ALL TIMES
TIE -STRING EEL JOINT WRAP
F END OF EEL F� SECURED TIGHTLY
EEL JOINT �Os,� OSLO AROUND JOINT USING
WRAP O,L �. VELCRO STRIP.
FFA 111111 41
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SIDE VIEW 2
SEWN END OF
ADJACENT EEL
EROSION EEL
DETAIL E1 -B1: EEL JOINT WRAP
N.T.S.
SECURE ENDS OF
STAKES AS DIRECTED
12" MIN.
FLOW FLOW
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EROSION EEL
OVERLAP/JOINT DETAIL
ANCHOR LOOP INSTALL EROSION EELS""
(4 PER 10 FT. BAG). SHEET FLOW PARALLEL TO THE SLOPE
CONTOURS. PLACE 100 ft.
1 1 1 EROSIONOF FOR
EVERY
0.2RACCRE
E1-C� �-- EEL BUTT JOINT
F_ EROSION EEL"' rr : n EROSION EEL'"
BUTT ENDS OF EEL
TOGETHER AND JOIN
E1 -C TIGHTLY WITH JUNCTION
WRAP (PER DETAIL E1 -B1
DETAIL E1 -B: INTERCEPTING SHEET FLOW THIS SHEET).
PERPENDICULAR TO FLOW PATH - PLAN VIEW
SEWN SEAM TIE -STRING
EDGE END OF EEL
VTO FORM BUTT JOINT,
PRESS TIED END OF EEL
AGAINST SEWN EDGE OF
ADJACENT EEL.
EROSION EEL
GENERAL NOTES-
DETAIL E1 -B1
1. EROSION EELS USED IN PERIMETER CONTROL APPLICATIONS SHALL HAVE A SPECIFICATION MIXTURE 1.1 OR 1.2.
a. MIXTURE SPECIFICATION 1.1. A FILTER MIXTURE COMPRISED OF 50% SHREDDED RUBBER AND 50% WOOD CHIP PARTICLES BY VOLUME. THE SHREDDED RUBBER SHALL
BE WASHED AND PROCESSED TO REMOVE MOST, IF NOT ALL, METAL COMPONENTS. THE RUBBER SHALL BE DERIVED FROM RECYCLED TIRES AND SHALL BE SHREDDED
TO PRODUCE A MAXIMUM PARTICLE SIZE OF +/- 3/4 INCH. THE WOOD CHIPS SHALL BE PRODUCED FROM HARDWOOD TREES AND SHALL CONFIRM TO AASHTO
CERTIFICATION SPECIFICATION MP 9-03.
b. MIXTURE SPECIFICATION 1.2. A FILTER MIXTURE COMPRISED OF 1/3 SHREDDED RUBBER, 1/3 WOOD CHIPS, AND 1/3 RECYCLED SYNTHETIC FIBERS. THE SHREDDED
RUBBER SHALL BE WASHED AND PROCESSED TO REMOVE MOST, IF NOT ALL, METAL COMPONENTS. THE RUBBER SHALL BE DERIVED FROM RECYCLED TIRES AND SHALL
BE SHREDDED TO PRODUCE A MAXIMUM PARTICLE SIZE OF +/- 3/4 INCH. THE WOOD CHIPS SHALL BE PRODUCED FROM HARDWOOD TREES AND SHALL CONFIRM TO
PASHTO CERTIFICATION SPECIFICATION MP 9-03. THE SYNTHETIC FIBERS SHALL BE PRODUCED FROM RECYCLED, MANUFACTURED MATERIALS, SUCH AS, BUT NOT LIMITED
TO, PRE -CONSUMER SCRAP CARPET, TIRE CHORD, AND TIRE FIBER MATERIALS.
2. EROSION EELS SHALL BE MANUFACTURED FROM A WOVEN GEOTEXTILE COVERING WITH INTERIOR FILTER MATERIALS SUCH AS 100% SHREDDED RUBBER (MIXTURE
SPECIFICATION 1.0, 50% SHREDDED RUBBER/50% AASHTO-CERTIFIED WOOD CHIPS (MIXTURE SPECIFICATION 1.1).
3. LENGTHS OF EROSION EELS SHALL BE EITHER A NOMINAL +/-10 FT. OR +/- 4.5 FT. NOMINAL DIAMETER SHALL BE +/-9.5 INCHES.
4. EROSION EELS CAN BE PLACED AT THE TOP, ON THE FACE, OR AT THE TOE OF SLOPES TO INTERCEPT RUNOFF, REDUCE FLOW VELOCITY, RELEASE THE RUNOFF AS SHEET
FLOW AND PROVIDE REMOVAL OF SEDIMENT FROM THE RUNOFF.
5. EROSION EELS SHALL BE INSTALLED ALONG THE GROUND CONTOUR, AT THE TOE OF SLOPES, AT AN ANGLE TO THE CONTOUR TO DIRECT FLOW AS A DIVERSION BERM,
AROUND INLET STRUCTURES, IN A DITCH AS A CHECK DAM TO HELP REDUCE SUSPENDED SOLIDS LOADING AND RETAIN SEDIMENT, OR AS A GENERAL FILTER FOR ANY
DISTURBED SOIL AREA.
6. NO TRENCHING IS REQUIRED FOR INSTALLATION OF EROSION EELS
7. PREPARE BED FOR EEL INSTALLATION BY REMOVING ANY LARGE DEBRIS INCLUDING ROCKS, SOIL CLODS, AND WOODY VEGETATION. EROSION EELS CAN ALSO BE PLACED
OVER PAVED SURFACES INCLUDING CONCRETE AND ASPHALT WITH NO SURFACE PREPARATION REQUIRED.
8. RAKE BED AREA WITH A HAND RAKE OR BY DRAG HARROW.
9. DO NOT PLACE EEL DIRECTLY OVER RILL AND GULLIES UNTIL AREA HAS BEEN HAND -EXCAVATED AND RAKED TO PROVIDE a nIFl DING SURFACE. ALL SURFACES SHALL
UL UNIFORMLY UUMPACILD FOR MAXIMUM SEATING OF EELS IN PLACE.
10.FOR LOCATIONS WHERE EELS WILL BE PLACED IN CONCENTRATED FLOWS (SUCH AS CHECK DAMS, INLET PROTECTION) AND FOR PERIMETER CONTROLS AT PRIMARY DISCHARGE
LOCATIONS, BED THE EELS IN A FLOCMAT CRADLE PER THE DETAILED DRAWINGS.
11.FOR DITCH APPLICATIONS, THE MAXIMUM DRAINAGE AREA SHALL BE 10 ACRES.
12. IF MORE THAN ONE EROSION EEL IS PLACED IN A ROW, THE EELS SHALL BE OVERLAPPED A MINIMUM OF 12 INCHES TO PREVENT FLOW AND SEDIMENT FROM PASSING
THROUGH THE FIELD JOINT. COMPRESS THE TWO EELS OF THE OVERLAP TIGHTLY TOGETHER EITHER BY HAND OR MANUFACTURER -APPROVED MECHANIZED MEANS.
13. WHEN USED IN DITCHES AS A CHECK DAM, EROSION EELS SHALL BE INSTALLED PER MANUFACTURER'S DETAILS.
14.FOR CHECK DAM APPLICATIONS, EROSION EELS SHALL BE PLACED PERPENDICULAR TO THE FLOW OF THE WATER. EROSION EELS SHALL CONTINUE UP THE SIDES SLOPES A
MINIMUM OF 3 FEET ABOVE THE DESIGN FLOW DEPTH.
15.EROSION EELS SHALL REMAIN IN PLACE UNTIL FULLY ESTABLISHED VEGETATION HAS COMPLETELY DEVELOPED OR UNTIL THE STORAGE CAPACITY/FUNCTIONAL LIFE OF THE EEL
HAS BEEN EXHAUSTED (REQUIRING REPLACEMENT WITH NEW EELS).
16. ANCHORING POSTS FOR CHECK DAM APPLICATIONS SHALL HAVE A MINIMUM WEIGHT OF 1.25 LBS/FT STEEL T -POSTS (5 TO 7 FT. LENGTHS) ROLLED FROM HIGH CARBON
STEEL. POSTS SHOULD BE HOT -DIP GALVANIZED OR COATED WITH A WEATHER -RESISTANT PAINT FOR STEEL APPLICATION. POSTS SHOULD BE EQUIPPED WITH A METAL
ANCHOR PLATE. INSTALL PER DETAILS ON THIS SHEET.
17. PLACE T -POSTS THROUGH HANDLE OF BAGS. DO NOT DRIVE POSTS THROUGH EROSION EELS . T -POSTS ARE TO BE EMBEDDED A MINIMUM OF 2 FT INTO GROUND.
DRAWN BY CHECK BY
ACT BDJ
JOB NO: 21-073
DATE: August 31, 2021
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PROPOSED + + + + +
SEE BALLAST DETAIL
SIDEWALK + + + + +
W
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+ + + + + +
+ + + + +
CURB CUT TO BE INSTALLED
FOR NEW SITE ENTRANCE
+
SANDBAG SHALL BE INSTALLED
IN FLOW LINE DOWNSTREAM OF
CONSTRUCTION ENTRANCE
STABILIZED CONSTRUCTION ENTRANCE
NOT TO SCALE
PRESSURE -----------
TREATED 2z6
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BOLTS
MAIL BOX
NOT TO SCALE
NOTES:
1. MAILBOX SHALL CONTAIN AT ALL TIMES:
- - A)-GTTY-APPROVED CONSTRUCTION PLANE
B) DEQ APPROVED CONSTRUCTION PLANS
C) ANY SITE INSPECTON FORMS
2. MAILBOX SHALL BE LOCKED AT ALL TIMES
TIE -STRING EEL JOINT WRAP
F END OF EEL F� SECURED TIGHTLY
EEL JOINT �Os,� OSLO AROUND JOINT USING
WRAP O,L �. VELCRO STRIP.
FFA 111111 41
VELCRO II
STRIPF SEWN SEAM
EDGE
END
TIE -STRING EEL /OyFc� TOGETHER DS 1�"TlO
SIDE VIEW 2
SEWN END OF
ADJACENT EEL
EROSION EEL
DETAIL E1 -B1: EEL JOINT WRAP
N.T.S.
SECURE ENDS OF
STAKES AS DIRECTED
12" MIN.
FLOW FLOW
r
s•
12" --j
EROSION EEL
OVERLAP/JOINT DETAIL
ANCHOR LOOP INSTALL EROSION EELS""
(4 PER 10 FT. BAG). SHEET FLOW PARALLEL TO THE SLOPE
CONTOURS. PLACE 100 ft.
1 1 1 EROSIONOF FOR
EVERY
0.2RACCRE
E1-C� �-- EEL BUTT JOINT
F_ EROSION EEL"' rr : n EROSION EEL'"
BUTT ENDS OF EEL
TOGETHER AND JOIN
E1 -C TIGHTLY WITH JUNCTION
WRAP (PER DETAIL E1 -B1
DETAIL E1 -B: INTERCEPTING SHEET FLOW THIS SHEET).
PERPENDICULAR TO FLOW PATH - PLAN VIEW
SEWN SEAM TIE -STRING
EDGE END OF EEL
VTO FORM BUTT JOINT,
PRESS TIED END OF EEL
AGAINST SEWN EDGE OF
ADJACENT EEL.
EROSION EEL
GENERAL NOTES-
DETAIL E1 -B1
1. EROSION EELS USED IN PERIMETER CONTROL APPLICATIONS SHALL HAVE A SPECIFICATION MIXTURE 1.1 OR 1.2.
a. MIXTURE SPECIFICATION 1.1. A FILTER MIXTURE COMPRISED OF 50% SHREDDED RUBBER AND 50% WOOD CHIP PARTICLES BY VOLUME. THE SHREDDED RUBBER SHALL
BE WASHED AND PROCESSED TO REMOVE MOST, IF NOT ALL, METAL COMPONENTS. THE RUBBER SHALL BE DERIVED FROM RECYCLED TIRES AND SHALL BE SHREDDED
TO PRODUCE A MAXIMUM PARTICLE SIZE OF +/- 3/4 INCH. THE WOOD CHIPS SHALL BE PRODUCED FROM HARDWOOD TREES AND SHALL CONFIRM TO AASHTO
CERTIFICATION SPECIFICATION MP 9-03.
b. MIXTURE SPECIFICATION 1.2. A FILTER MIXTURE COMPRISED OF 1/3 SHREDDED RUBBER, 1/3 WOOD CHIPS, AND 1/3 RECYCLED SYNTHETIC FIBERS. THE SHREDDED
RUBBER SHALL BE WASHED AND PROCESSED TO REMOVE MOST, IF NOT ALL, METAL COMPONENTS. THE RUBBER SHALL BE DERIVED FROM RECYCLED TIRES AND SHALL
BE SHREDDED TO PRODUCE A MAXIMUM PARTICLE SIZE OF +/- 3/4 INCH. THE WOOD CHIPS SHALL BE PRODUCED FROM HARDWOOD TREES AND SHALL CONFIRM TO
PASHTO CERTIFICATION SPECIFICATION MP 9-03. THE SYNTHETIC FIBERS SHALL BE PRODUCED FROM RECYCLED, MANUFACTURED MATERIALS, SUCH AS, BUT NOT LIMITED
TO, PRE -CONSUMER SCRAP CARPET, TIRE CHORD, AND TIRE FIBER MATERIALS.
2. EROSION EELS SHALL BE MANUFACTURED FROM A WOVEN GEOTEXTILE COVERING WITH INTERIOR FILTER MATERIALS SUCH AS 100% SHREDDED RUBBER (MIXTURE
SPECIFICATION 1.0, 50% SHREDDED RUBBER/50% AASHTO-CERTIFIED WOOD CHIPS (MIXTURE SPECIFICATION 1.1).
3. LENGTHS OF EROSION EELS SHALL BE EITHER A NOMINAL +/-10 FT. OR +/- 4.5 FT. NOMINAL DIAMETER SHALL BE +/-9.5 INCHES.
4. EROSION EELS CAN BE PLACED AT THE TOP, ON THE FACE, OR AT THE TOE OF SLOPES TO INTERCEPT RUNOFF, REDUCE FLOW VELOCITY, RELEASE THE RUNOFF AS SHEET
FLOW AND PROVIDE REMOVAL OF SEDIMENT FROM THE RUNOFF.
5. EROSION EELS SHALL BE INSTALLED ALONG THE GROUND CONTOUR, AT THE TOE OF SLOPES, AT AN ANGLE TO THE CONTOUR TO DIRECT FLOW AS A DIVERSION BERM,
AROUND INLET STRUCTURES, IN A DITCH AS A CHECK DAM TO HELP REDUCE SUSPENDED SOLIDS LOADING AND RETAIN SEDIMENT, OR AS A GENERAL FILTER FOR ANY
DISTURBED SOIL AREA.
6. NO TRENCHING IS REQUIRED FOR INSTALLATION OF EROSION EELS
7. PREPARE BED FOR EEL INSTALLATION BY REMOVING ANY LARGE DEBRIS INCLUDING ROCKS, SOIL CLODS, AND WOODY VEGETATION. EROSION EELS CAN ALSO BE PLACED
OVER PAVED SURFACES INCLUDING CONCRETE AND ASPHALT WITH NO SURFACE PREPARATION REQUIRED.
8. RAKE BED AREA WITH A HAND RAKE OR BY DRAG HARROW.
9. DO NOT PLACE EEL DIRECTLY OVER RILL AND GULLIES UNTIL AREA HAS BEEN HAND -EXCAVATED AND RAKED TO PROVIDE a nIFl DING SURFACE. ALL SURFACES SHALL
UL UNIFORMLY UUMPACILD FOR MAXIMUM SEATING OF EELS IN PLACE.
10.FOR LOCATIONS WHERE EELS WILL BE PLACED IN CONCENTRATED FLOWS (SUCH AS CHECK DAMS, INLET PROTECTION) AND FOR PERIMETER CONTROLS AT PRIMARY DISCHARGE
LOCATIONS, BED THE EELS IN A FLOCMAT CRADLE PER THE DETAILED DRAWINGS.
11.FOR DITCH APPLICATIONS, THE MAXIMUM DRAINAGE AREA SHALL BE 10 ACRES.
12. IF MORE THAN ONE EROSION EEL IS PLACED IN A ROW, THE EELS SHALL BE OVERLAPPED A MINIMUM OF 12 INCHES TO PREVENT FLOW AND SEDIMENT FROM PASSING
THROUGH THE FIELD JOINT. COMPRESS THE TWO EELS OF THE OVERLAP TIGHTLY TOGETHER EITHER BY HAND OR MANUFACTURER -APPROVED MECHANIZED MEANS.
13. WHEN USED IN DITCHES AS A CHECK DAM, EROSION EELS SHALL BE INSTALLED PER MANUFACTURER'S DETAILS.
14.FOR CHECK DAM APPLICATIONS, EROSION EELS SHALL BE PLACED PERPENDICULAR TO THE FLOW OF THE WATER. EROSION EELS SHALL CONTINUE UP THE SIDES SLOPES A
MINIMUM OF 3 FEET ABOVE THE DESIGN FLOW DEPTH.
15.EROSION EELS SHALL REMAIN IN PLACE UNTIL FULLY ESTABLISHED VEGETATION HAS COMPLETELY DEVELOPED OR UNTIL THE STORAGE CAPACITY/FUNCTIONAL LIFE OF THE EEL
HAS BEEN EXHAUSTED (REQUIRING REPLACEMENT WITH NEW EELS).
16. ANCHORING POSTS FOR CHECK DAM APPLICATIONS SHALL HAVE A MINIMUM WEIGHT OF 1.25 LBS/FT STEEL T -POSTS (5 TO 7 FT. LENGTHS) ROLLED FROM HIGH CARBON
STEEL. POSTS SHOULD BE HOT -DIP GALVANIZED OR COATED WITH A WEATHER -RESISTANT PAINT FOR STEEL APPLICATION. POSTS SHOULD BE EQUIPPED WITH A METAL
ANCHOR PLATE. INSTALL PER DETAILS ON THIS SHEET.
17. PLACE T -POSTS THROUGH HANDLE OF BAGS. DO NOT DRIVE POSTS THROUGH EROSION EELS . T -POSTS ARE TO BE EMBEDDED A MINIMUM OF 2 FT INTO GROUND.
DRAWN BY CHECK BY
ACT BDJ
JOB NO: 21-073
DATE: August 31, 2021
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O T
PRELIMINARY NOT
FOR CONSTRUCTION
OF 7 SHEETS