HomeMy WebLinkAboutDrainage Plan C102STORM
SEWER
GRATE
LIFT STRAPS
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CATCH BASIN SEDIMENT INSERT
NO SCALE
SILT FENCE
Silt Fence shatl be a machine produced, non-woven geotexti�e of t00Y.
polypropylene meeting the physicai properties below.
All stakes shall be 2� X 2" hardwood 36' tall with 24" tall lath stapled
to stakes over fabric as refnforcement.
All silt fence sholl be prefabricated by the suppl(er. No field assembly
will be accepted.
Fabric Weight ........................................................... 4 oz/syd
Grab Strength .......................................................... Warp 125 Ibs.
Elongation................................................................ Warp 50 %
Trapezoidal Tear Strength ....................................... 50 Ibs.
Burst Strength ......................................................... 200 psi
UV Resistance .......................................................... > 70 r
A.O. S ......................................................................... 50- 80
Slurry Flow Rate ...................................................... 225 gpm/sq. ft
Sediment Retention ................................................. 75 96
Silt Fence Material� �Stakes O 5' O.C.
Fence Post-�
Ground Surface
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Fence Post Should Silt Fence M,oterial Should
be Buried 1' Below be Buried 6 Below Ground
Surface
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2"-3" COARSE °'°; • '
AGGREGATE ��
GEOTEXTILE FABRIC TO STABILIZE
FOUNDAIION (ESPECIALLY IMPORTANT
WHERE WETNESS IS ANIICIPATED)
TEMPORARY CONSTRUCTION
ENTRANCE DETAIL
ASSUMED NORTH
SCALE: 1 "= 20 '
1 "=40' (11 x17)
20 0 20 40 60
GRADING & DRAINAGE NOTES
1. ALL GRADES AT BOUNDARY SHALL MEET EXISTING GRADES EXCEPT
WHERE SHOWN.
2. ALL SWALES SHALL HAVE A MINIMUM SLOPE OF 1.00%.
3. CONTRACTOR SHALL MINIMIZE DAMAGE TO EXISTING TREES.
4. SLOPES SHALL NOT BE GREATER THAN 3:1 UNLESS
5. REMOVE AND BACKFILL ALL AREAS WHERE ANY FIELD TILE
CROSSES PROPOSED BUILDING PADS. ALL FIELD 11LES INTERCEPTED
TO BE PERPETUATED INTO STORM SEWER SYSTEM. THE
SUBCONTRACTOR SHALL NOTIFY IN WRITING THE OWNER AND THE
ENGINEER IN ANY CIRCUMSTANCES WHERE THIS CANNOT BE ACCOMPLISHED.
6. FILL UNDER LAWN AREAS SHALL BE COMPACTED TO AT LEAST 90
PERCENT STANDARD PROCTOR DENSITY (ASTM D-1557). FILL
UNDER BUILDING AND PAVEMENT AREAS SHALL BE COMPACTED TO
AT LEAST 95 PERCENT STANDARD PROCTOR DENSITY (ASTM D-1557).
7. THE CONTRACTOR SHALL CONFIRM ALL EARTHWORK QUANTITIES
PRIOR TO THE START OF CONSTRUC110N. IF AN EXCESS OR
SHORTAGE OF EARTH IS ENCOUNTERED, THE CONTRACTOR SHALL
CONFIRM WITH THE OWNER AND ENGINEER THE REQUIREMENTS
FOR STOCKPILING, REMOVAL OR IMPORIING OF EARTH.
8. ANY PART OF STORM SEWER TRENCHES RUNNING UNDER
OR WITHIN 5' OF PAVED AREAS IS TO BE BACKFILLED WITH
GRANULAR MATERIAL.
9. STANDARD SPECIFICATIONS FOR THE LOCAL GOVERNING AUTHORITY
SHALL APPLY FOR ALL STORM SEWER CONSTRUC110N.
EROSION CONTROL NOTES
1. CONTRACTOR SHALL INSTALL ALL REQUIRED SILT FENCES, SILT TRAPS, TREE PROTECTION
AND INLET PROTECTION FOR EXISTING INLETS PRIOR TO THE START OF ANY EARTH MOVING
OR STRIPPING.
2. CONTRACTOR SHALLINSTALL A STONE CONSTRUCTION ENTRANCE OR SOME OTHER
DEVISE PRIOR TO THE START OF EARTHWORK AS NECESSARY TO PREVENT SOIL FROM BEING
TRACKED OR WASHED INTO EXISTING ROADWAYS.
3. LAND ALTERATIONS WHICH STRIP THE LAND OF VEGETATION, INCLUDING REGRADING,
SHALL BE DONE IN A WAY THAT WILL MINIMIZE EROSION. WHENEVER FEASIBLE, NATURAL
VEGETATION SHALL BE RETAINED AND PROTECTED. AS GRADING IS DONE, INSTALL SILT
TRAPS, SILT FENCES, SLOPE DRAINS, TEMPORARY DIVERSIONS AND OTHER RUNOFF CONTROL
MEASURES AT APPROPRIATE LOCATIONS TO KEEP SEDIMENT CONTAINED ON SITE.
4. ALL DISTURBED AREAS SHALL BE SEEDED AND STRAW MULCHED AS SHOWN ON THE
PLANS IMMEDIATELY AFTER COMPLETION OF GROUND ACTiVITY. FOR LARGE PROJECTS, THIS
SEEDING SHOULD BE COMPLETED IN PHASES AS THE DIFFERENT AREAS OF THE SITE ARE
COMPLETED.
5. PERMANENT AND FINAL VEGETAl10N OR STRUCTURAL EROSION CONTROL DEVICES SHALL
BE INSTALLED AS SOON AS PRACTICAL UNDER THE CIRCUMSTANCES.
6. THE DURATION OF TIME WHICH AN AREA REMAINS EXPOSED SHALL BE KEPT TO A
PRACTICAL MINIMUM DEPENDING UPON THE WEATHER. IF CONSTRUCTION ACTIVITY IS TO
CEASE FOR MORE THAN TWO WEEKS, THE DISTURBED AREAS SHALL BE TEMPORARILY
SEEDED.
7. ALL STORM SEWER INLET PROTECTION DEVICES SHALL BE PUT IN PLACE AT THE TIME
EACH INLET IS CONSTRUCTED.
8. THE CONTRACTOR SHALL MAINTAIN EROSION CONTROL MEASURES AND DEVICES DURING
CONSTRUCTION AND UNTIL SILTATION OF THE STREETS AND STORM SEWERS WILL NO
LONGER OCCUR.
9. ONCE ONSITE EROSION AND SILTATION OF THE STREETS AND STORM SEWERS WILL NO
LONGER OCCUR, THE CONTRACTOR SHALL REMOVE AND DISPOSE OF THE TEMPORARY
EROSION CONTROL DEVICES.
10. THESE GENERAL PROCEDURES MAY NOT COVER ALL SITUATIONS. REFER TO EROSION
CONTROL PLANS FOR SPECIFIC NOTES AND ADDITIONAL DETAILS.
11. EROSION CONTROL TO COMPLY WITH INDIANA 327 IAC AND RULE #5, AND IDEM'S
INDIANA STORM WATER QUALITY MANUAL (LATEST EDITION) IN DEVELOPING AREAS.
12. ADDITIONAL EROSION CONTROL MEASURES MAY BE REQUIRED IN THE FIELD BY THE
INSPECTOR.
CONSTRUCTION NOTE:
NO EARTH DISTURBING ACTIVITY MAY COMMENCE
WITHOUT AN APPROVED STORM WATER MANAGEMENT
PERMIT.
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BY:
DATE: 10/1 1 /12
SHEET
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OF
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JOB#: TV111.003
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