HomeMy WebLinkAbout3260-1EROSION CONTROL NOTES
1. EROSION CONTROL IS REQUIRED FOR GRADING OPERATIONS, DURING THE RAINY SEASON.
APPROVED PLANS ARE REQUIRED FOR ALL CONSTRUCTION GRADING.
9. DESILTING BASINS ARE TO BE CONSTRUCTED PER CONSTRUCTION PLANS.
10. THE ENGINEER RESERVES THE RIGHT TO MAKE CHANGES OR MODIFICATIONS TO THIS PLAN
AS DEEMED NECESSARY.
11. INFORMATION ON THIS PLAN IS FOR EROSION CONTROL ONLY. ALL OTHER INFORMATION IS
SUBJECT TO CHANGE.
12. NO OBSTRUCTION OR DISTURBANCE OF NATURAL DRAINAGE COURSES OR EXISTING STORM DRAIN
INLETS SHALL OCCUR DURING THE RAINING REASON, UNLESS ADEQUATE TEMPORARY/PERMANENT
DRAINAGE FACILITIES HAVE BEEN APPROVED AND INSTALLED TO CARRY SURFACE WATER TO THE
NEAREST PRACTICAL STREET, STORM DRAIN OR NATURAL WATER COURSE.
13. THE CONTRACTOR SHALL CONDUCT HIS OPERATIONS IN SUCH A MANNER THAT STORM RUNOFF
WILL BE CONTAINED WITHIN THE PROJECT OR CHANNELED INTO THE STORM DRAIN SYSTEM
WHICH SERVES THE RUNOFF AREA. STORM RUNOFF FROM ONE AREA SHALL NOT BE ALLOWED TO
DIVERT TO ANOTHER RUNOFF AREA .
14. CONFORMANCE WITH THE REQUIREMENTS OF THESE PLANS SHALL IN NO WAY RELIEVE THE
CONTRACTOR FROM HIS RESPONSIBILITIES TO THIS SITE AND ADJACENT PROPERTIES.
TEMPORARY EROSION CONTROL SHALL CONSIST OF, BUT NOT BE LIMITED TO, CONSTRUCTING
SUCH FACILITIES AND TAKING SUCH MEASURES AS ARE NECESSARY TO PREVENT, CONTROL AND
ABATE WATER, MUD AND EROSION DAMAGE TO PUBLIC AND PRIVATE PROPERTY AS A RESULT OF
THE CONSTRUCTION OF THIS PROJECT.
15. SLOPES CONSTRUCTED PRIOR TO OCTOBER 1ST SHALL BE TREATED FOR EROSION CONTROL PRIOR
TO OCTOBER 15. SLOPES CONSTRUCTED AFTER OCTOBER 1ST SHALL BE TREATED FOR EROSION
CONTROL AS THE CONSTRUCTION OF SLOPE PROGRESSES IN INCREMENTS OF 25 FEET OR LESS
MEASURED VERTICALLY.
16. CLEARING AND GRUBBING SHOULD BE LIMITED TO AREAS THAT WILL RECEIVE IMMEDIATE
GRADING. EROSION CONTROL MEASURES WILL BE REQUIRED TO PROTECT AREAS WHICH HAVE
BEEN CLEARED AND GRUBBED PRIOR TO GRADING OPERATION, AND WHICH ARE SUBJECT TO
RUNOFF DURING THE PERIOD OF THE RAINY SEASON. THESE MEASURES MAY INCLUDE BUT SHALL
NOT BE LIMITED TO: GRADED DITCHES; BRUSH BARRIERS AND SILT FENCES. CARE SHALL BE
EXERCISED TO PRESERVE VEGETATION BEYOND LIMITS OF GRADING.
NOTE:
SWPPP SHALL BE MODIFIED BY THE CONTRACTOR AS
DEEMED NECESSARY.
NOTE:
CONTRACTOR SHALL CLEAN
OUT SILT AFTER EACH RAIN.
2 LAYER
SANDBAG;
1 LAYER
SANDBAGS
ELEVA11ON
G" m'. If%
I-," m%in
SANDBAG
DESILIING DAM
SCALE: 1'=6'-O*
FlLENAME M.\DWG\14902\SWPPP\STAGE2\SHEET 1 -DWG
BEST MANAGEMENT PRACTICES
2.
IN CASE OF EMERGENCY, CALL
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(RESPONSIBLE PERSON) (FIRM)
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FARMRL SIFEEr
CA23
CONCRETE WASTE MANAGEMENT
CA24
SANITARY/SEPTIC WASTE MANAGEMENT
(24-HOUR PHONE NO.)
CA30
VEHICLE AND EQUIPMENT CLEANING
3.
THE ENGINEER WILL SUPERVISE EROSION CONTROL WORK AND INSURE THAT WORK
IS IN ACCORDANCE WITH THE APPROVED PLANS (IF REQUIRED).
_
CA31
VEHICLE AND EQUIPMENT FUELING
4.
EQUIPMENT AND WORKERS FOR EMERGENCY WORK SHALL BE MADE AVAILABLE AT ALL TIMES
DURING THE RAINY SEASON. NECESSARY MATERIALS SHALL BE AVAILABLE ON SITE AND
CA32
VEHICLE AND EQUIPMENT MAINTENANCE
STOCKPILED AT CONVENIENT LOCATIONS TO FACILITATE RAPID CONSTRUCTION OF TEMPORARY
CA40
EMPLOYEE/SUBCONTRACTOR TRAINING
DEVICES WHEN RAIN IS IMMINENT.
SCALE: 1 "=600'
5.
DEVICES SHALL NOT BE MOVED OR MODIFIED WITHOUT THE APPROVAL OF THE ENGINEER.
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ESC21
DUST CONTROLS
6.
ALL REMOVABLE PROTECTIVE DEVICES SHOWN SHALL BE IN PLACE AT THE END OF EACH
ESC23
CONSTRUCTION ROAD STABILIZATION
WORKING DAY WHEN THE 5 -DAY RAIN PROBABILITY FORECAST EXCEEDS 40%.
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7.
AFTER A RAINSTORM, ALL SILT AND DEBRIS SHALL BE REMOVED FROM CHECK BERMS, SILT
ESC24
STABILIZED CONSTRUCTION ENTRANCE
FENCES, AND DESILTING BASINS ETC.
ESC30
EARTH DIKE
8.
THE CONTRACTOR SHALL BE RESPONSIBLE AND SHALL TAKE NECESSARY PRECAUTIONS TO
PREVENT PUBLIC TRESPASS ONTO AREAS WHERE IMPOUNDED WATER CREATES A HAZARDOUS
ESC51
STRAW BALE BARRIERS
CONDITION.
ESC52
SAND BAG BARRIER
9. DESILTING BASINS ARE TO BE CONSTRUCTED PER CONSTRUCTION PLANS.
10. THE ENGINEER RESERVES THE RIGHT TO MAKE CHANGES OR MODIFICATIONS TO THIS PLAN
AS DEEMED NECESSARY.
11. INFORMATION ON THIS PLAN IS FOR EROSION CONTROL ONLY. ALL OTHER INFORMATION IS
SUBJECT TO CHANGE.
12. NO OBSTRUCTION OR DISTURBANCE OF NATURAL DRAINAGE COURSES OR EXISTING STORM DRAIN
INLETS SHALL OCCUR DURING THE RAINING REASON, UNLESS ADEQUATE TEMPORARY/PERMANENT
DRAINAGE FACILITIES HAVE BEEN APPROVED AND INSTALLED TO CARRY SURFACE WATER TO THE
NEAREST PRACTICAL STREET, STORM DRAIN OR NATURAL WATER COURSE.
13. THE CONTRACTOR SHALL CONDUCT HIS OPERATIONS IN SUCH A MANNER THAT STORM RUNOFF
WILL BE CONTAINED WITHIN THE PROJECT OR CHANNELED INTO THE STORM DRAIN SYSTEM
WHICH SERVES THE RUNOFF AREA. STORM RUNOFF FROM ONE AREA SHALL NOT BE ALLOWED TO
DIVERT TO ANOTHER RUNOFF AREA .
14. CONFORMANCE WITH THE REQUIREMENTS OF THESE PLANS SHALL IN NO WAY RELIEVE THE
CONTRACTOR FROM HIS RESPONSIBILITIES TO THIS SITE AND ADJACENT PROPERTIES.
TEMPORARY EROSION CONTROL SHALL CONSIST OF, BUT NOT BE LIMITED TO, CONSTRUCTING
SUCH FACILITIES AND TAKING SUCH MEASURES AS ARE NECESSARY TO PREVENT, CONTROL AND
ABATE WATER, MUD AND EROSION DAMAGE TO PUBLIC AND PRIVATE PROPERTY AS A RESULT OF
THE CONSTRUCTION OF THIS PROJECT.
15. SLOPES CONSTRUCTED PRIOR TO OCTOBER 1ST SHALL BE TREATED FOR EROSION CONTROL PRIOR
TO OCTOBER 15. SLOPES CONSTRUCTED AFTER OCTOBER 1ST SHALL BE TREATED FOR EROSION
CONTROL AS THE CONSTRUCTION OF SLOPE PROGRESSES IN INCREMENTS OF 25 FEET OR LESS
MEASURED VERTICALLY.
16. CLEARING AND GRUBBING SHOULD BE LIMITED TO AREAS THAT WILL RECEIVE IMMEDIATE
GRADING. EROSION CONTROL MEASURES WILL BE REQUIRED TO PROTECT AREAS WHICH HAVE
BEEN CLEARED AND GRUBBED PRIOR TO GRADING OPERATION, AND WHICH ARE SUBJECT TO
RUNOFF DURING THE PERIOD OF THE RAINY SEASON. THESE MEASURES MAY INCLUDE BUT SHALL
NOT BE LIMITED TO: GRADED DITCHES; BRUSH BARRIERS AND SILT FENCES. CARE SHALL BE
EXERCISED TO PRESERVE VEGETATION BEYOND LIMITS OF GRADING.
NOTE:
SWPPP SHALL BE MODIFIED BY THE CONTRACTOR AS
DEEMED NECESSARY.
NOTE:
CONTRACTOR SHALL CLEAN
OUT SILT AFTER EACH RAIN.
2 LAYER
SANDBAG;
1 LAYER
SANDBAGS
ELEVA11ON
G" m'. If%
I-," m%in
SANDBAG
DESILIING DAM
SCALE: 1'=6'-O*
FlLENAME M.\DWG\14902\SWPPP\STAGE2\SHEET 1 -DWG