HomeMy WebLinkAbout039-99 DP-ADLS Office Bldg Erosion Control Plan•
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STORM SEWER
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UTILITY INSTALLATION
FINISH GRADING
EROSION
GENERAL NOTES:
1999
JUNE JULY AUGUST SEPTEMBER OCTOBER NOVEMBER
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Remove Erosion Control
Measures When Site Is
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CONTROL SCHEDULE /SEQUENCE
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EROSION CONTROL MEASURES SHALL BE ADHERED TO DURING ALL PHASES OF CONSTRUCTION.
DISTURBED AREAS SHALL BE TEMPORARILY SEEDED IF SOIL IS TO BE LEFT EXPOSED FOR
LONGER THAN 7 DAYS. TEMPORARY SEEDING SHALL BE PERFORMED IN ACCORDANCE WITH THE
SEASONAL SOIL PROTECTION CHART SHOWN ON SHEET C107.
ALL EXISTING VEGETATION LOCATED OUTSIDE THE GRADING OR EARTHWORK LIMITS IS TO REMAIN
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4)
ALL FINAL GRADE AREAS WITHIN THE CONSTRUTION LIMIT SHALL BE PERMANENTLY
SEEDED IN
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ACCORDANCE WITH THE SEASONAL SOIL PROTECTION CHART. FURTHERMORE,
PERMANENT SEEDING
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SHALL BE APPLIED ON ALL DISTURBED AREAS WHERE ADDITIONAL WORK IS
NOT EXPECTED FOR A
PERIOD OF MORE THAN ONE YEAR.
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ALL SEEDING SHOWN ON THIS SHEET SHALL BE PERMANENT AND SHALL BE
DONE IN ACCORDANCE
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WITH THE SEASONAL SOIL PROTECTION CHART.
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FOR SEEDING SCHEDULE AND EROSION CONTROL DETAILS, SEE SHEET C108.
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EROSION CONTROL SEQUENCE:
THE TIME LINE FOR EACH EROSION CONTROL MEASURE IS LISTED:
1. INSTALL SILT TRAPS
2. CONSTRUCT OUTFALL STRUCTORES
3. STRIP AND STOCKPILE TOPSOIL
4. ROUGH GRADING
5. CONSTRUCT SWALES AND STORM SEWERS, INSTALLING
SILT FENCE, TEMPORARY SEED ENTIRE SITE.
6. UTILITY INSTALLATION
7. CURBING AND PAVING
8. FINAL GRADING
9. PERMANENT SEEDING AND LANDSCAPING
10. MAINTENANCE OF THE EROSION CONTROL PRACTICES TO
OCCUR UNTIL ADEQUATE GROUND COVER EXISTS.
IV,�INTENANCc_ SCHEDULE
SILT FENCE MAINTENANCE REQUIREMENTS
1. INSPECT THE SILT FENCE PERIODICALLY AND AFTER EACH STORM EVENT.
2. IF FENCE FABRIC TEARS, STARTS TO DECOMPOSE OR IN ANY WAY BECOMES
INEFFECTIVE, REPLACE THE AFFECTED PORTION IMMEDIATELY.
3. REMOVE DEPOSITED SEDIMENT WHEN IT REACHES HALF THE HEIGHT OF THE
FENCE AT ITS LOWEST POINT OR WHEN IT IS CAUSING THE FABRIC TO
BULGE.
4. TAKE CARE TO AVOID UNDERMINING THE FENCE DURING CLEAN OUT.
F. AFTER CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED, REMOVE THE
FENCE AND REPLACE SEDIMENT DEPOSITS, BRING THE DISTURBED AREA TO
GRADE, AND STABILIZE.
TEMPORARY GRAVEL CONSTRUCTION ENTRANCE MAINTENANCE REQUIREMENTS
1. INSPECT ENTRANCE PAD AND SEDIMENT DISPOSAL AREA WEEKLY AND AFTER
STORM EVENTS OR HEAVY USE.
2. RESHAPE PAD AS NEEDED FOR DRAINAGE AND RUNOFF CONTROL.
3. TOP DRESS WITH CLEAN STONE AS NEEDED.
4. IMMEDIATELY REMOVE MUD AND SEDIMENT TRACKED OR WASHED ONTO
EXISTING STREETS BY BRUSHING OR SWEEPING. FLUSHING SHOULD ONLY BE
USED IF THE WATER IS CONVEYED INTO A SEDIMENT TRAP OR BASIN.
5. REPAIR ANY BROKEN ROAD PAVEMENT IMMEDIATELY.
1. SILT FENCE TO BE CLEANED WHEN SEDIMENT HEIGHT
REACHES ONE-HALF FENCE HEIGHT.
2. SEEDED AREAS TO BE RESEEDED IF EROSION TAKES
PLACE.
3. CURB INLETS WITH FILTER FABRIC PROTECTION TO BE
CLEANED AFTER EACH SIGNIFICANT RAINFALL.
BENCHMARK DESCRIPTION:
EXISTING
LEGEND
PROPOSED
STORM SEWER
MANHOLE
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''HAM G 54'' - A BRONZE DISK IN A CONCRETE POST PROJECTING 1.5 FEET
ABOVE THE GROUND, 0.4 MILES SOUTH OF 116TH STREET, 100 FEET WEST
OF THE CENTERLINE OF SOUTHBOUND U.S. 31
ELEVATION = 844.04 FEET (ISHC)
"DON'T DIG BLI%D"
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DATE: MARCH 18,
SCALE: 1"=50'_
PROJECT NO. 111
SHEET NO.
C10A10
1136EC1.0