NCG140511_Site Plan Pg5_20220801

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1.25 LBS. PRE
LINEAR FOOT
STEEL POSTS
FILTER FABRIC -
SILT FENCE - INSTALL IAW DETAIL A/C710.
CONCRETE WASHOUT - INSTALL IAW SHEET C702
LIMITS OF CONSTRUCTION/DISTURBANCE
6'
MgkIMUM Sp
ACING
BACKFILL TRENCH WITH -
COMPACTED EARTH OFF
HEAVY DUTY PLASTIC
TIE FOR STEEL POSTS
(RESTRICT TO TOP 8"
OF FABRIC)
1. SEE SHEETS C701-C703 FOR ADDITIONAL CONTROL NOTES.
2. ALL CONTRACTORS/SUBCONTRACTORS/PERSON THAT WILL BE ENGAGED
IN LAND DISTURBING ACTIVITIES SHALL COMPLY WITH ALL EROSION
CONTROL AND STORMWATER POLLUTION PREVENTION REQUIREMENTS
CONTAINED THROUGHOUT THE DRAWINGS, SPECIFICATIONS AND PERMITS.
FILTER FABRIC
COMPACTED
EARTH
RUNOFF
a
HEAVY DUTY
PLASTIC TIES
USE EITHER FLAT -BOTTOM _/
OR V-BOTTOM TRENCH BURY FABRIC
SHOWN BELOW
SILT FE CE INSTALLATION FLAT —BOTTOM TRENCH DETAIL
GENERAL NOTES: FABRIC REQUIREMENTS: POST REQUIREMENTS:
1. DO NOT PLACE SILT FENCE ACROSS CHANNELS 1. SILT FENCE MUST BE COMPOSED OF 1. SILT FENCE POSTS MUST BE 48-INCH
HER OR IN OTAREAS SUBJEC TO CONCENTRATED WOVEN GEOTEXTILE FILTER FABRIC THAT LONG STEEL POSTS THAT MEET, AT A
FLOWS. SILT FENCE SHOULD NOT BE USED AS A CONSISTS OF THE FOLLOWING MINIMUM, THE FOLLOWING PHYSICAL
VELOCITY CONTROL BMP. CONCENTRATED FLOWS REQUIREMENTS: CHARACTERISTICS.
ARE ANY FLOWS GREATER THAN 0.5 CFS. - COMPOSED OF FIBERS CONSISTING OF - COMPOSED OF A HIGH STRENGTH STEEL
2. MAXIMUM SHEET OR OVERLAND FLOW PATH LONG CHAIN SYNTHETIC POLYMERS OF WITH A MINIMUM YIELD STRENGTH OF
LENGTH TO THE SILT FENCE SI ALL BE 100-FEET. AT LEAST 85q BY WEIGHT OF
50 000 PSI.
POLYOLEFINS, POLYESTERS, OR - INCLUDE A STANDARD "T" SECTION WITH
3. MAXIMUM SLOPE STEEPNESS (NORMAL POLYAMIDES THAT ARE FORMED INTO A A NOMINAL FACE WIDTH OF 1.38-INCHES
(PERPENDICULAR] TO THE FENCE LINE) SHALL BE NETWORK SUCH THAT THE FILAMENTS AND A NOMINAL "T" LENGTH OF
OR YARNS RETAIN DIMENSIONAL 1.48-INCHES.
2:1• STABILITY RELATIVE TO EACH OTHER; - WEIGH 1.25 POUNDS PER FOOT (f 8%)
- FREE OF ANY TREATMENT OR COATING
4. SILT FENCE JOINTS, WHEN NE ESSARY, SHALL BE WHICH MIGHT ADVERSELY ALTER ITS 2. POSTS SHALL BE EQUIPPED WITH
COMPLETED BY ONE OF THE FOLLOWING OPTIONS: PHYSICAL PROPERTIES AFTER PROJECTIONS TO AID IN FASTENING OF
- WRAP EACH FABRIC TOGETHER AT A SUPPORT INSTALLATION; FILTER FABRIC.
POST WITH BOTH ENDS FASTENED TO THE POST, - FREE OF ANY DEFECTS OR FLAWS THAT
WITH A 1-FOOT MINIMUM OVERLAP; SIGNIFICANTLY AFFECT ITS PHYSICAL 3. STEEL POSTS MAY NEED TO HAVE A
- OVERLAP SILT FENCE BY NSTALLING 3-FEET AND/OR FILTERING PROPERTIES; AND, METAL SOIL STABILIZATION PLATE WELDED
PASSED THE SUPPORT POST TO WHICH THE NEW - HAVE A MINIMUM WIDTH OF 36-INCHES. NEAR THE BOTTOM WHEN INSTALLED
SILT FENCE ROLL IS ATTACHED. ATTACH OLD ALONG STEEP SLOPES OR INSTALLED IN
ROLL TO NEW ROLL WITH HEAVY-DUTY PLASTIC 2, 12-INCHES OF THE FABRIC SHOULD BE LOOSE SOILS. THE PLATE SHOULD HAVE
TIES; OR, PLACED WITHIN EXCAVATED TRENCH AND A MINIMUM CROSS SECTION OF
- OVERLAP ENTIRE WIDTH OF EACH SILT FENCE TOED IN WHEN THE TRENCH IS 17-SQUARE INCHES AND BE COMPOSED
ROLL FROM ONE SUPPORT POST TO THE NEXT BACKFILLED. OF 15 GAUGE STEEL, AT A MINIMUM. THE
SUPPORT POST.
METAL SOIL STABILIZATION PLATE SHOULD
5. ATTACH FILTER FABRIC TO THE STEEL POSTS 3. FILTER FABRIC SHALL BE PURCHASED IN BE COMPLETELY BURIED.
USING HEAVY-DUTY PLASTT LE
TIES THAT ARE NGTOROLLS AND CUT TO THE
EVENLY SPACED WITHIN THE TOP 8-INCHES OF LENGTHH OFF THE BARRIER TO AVOID 4. INSTALL POSTS A MINIMUM OF
THE FABRIC. JOINTS. 24-INCHES. A MINIMUM HEIGHT OF 1- TO
2- INCHES ABOVE THE FABRIC SHALL BE
6. INSTALL THE SILT FENCE PER ENDICULAR TO THE 4. FILTER FABRIC SHALL BE INSTALLED AT MAINTAINED, AND A MAXIMUM HEIGHT OF
DIRECTION OF THE STORMWA R FLOW AND PLACE A MINIMUM OF 24-INCHES ABOVE THE 3 FEET SHALL BE MAINTAINED ABOVE
THE SILT FENCE THE PROP R DISTANCE FROM GROUND. THE GROUND.
THE TOE OF STEEP SLOPES TO PROVIDE 5. POST SPACING SHALL BE AT A MAXIMUM
SEDIMENT STORAGE AN ACCESS FOR OF 6-FEET ON CENTER.
MAINTENANCE AND CLEANOUT.
7. INSTALL SILT FENCE CHECKS (TIE -BACKS) EVERY
50-100 FEET, DEPENDENT ON SLOPE, ALONG SILT
FENCE THAT IS INSTALLED WITH SLOPE AND
WHERE CONCENTRATED FLOWS ARE EXPECTED OR
ARE DOCUMENTED ALONG THE
PROPOSED/INSTALLED SILT FE CE.
O SILT FENCE DETAIL
NOT TO SCALE
40
HEAVY DUTY
FILTER FABRIC PLASTIC TIES
COMPACTED
EARTH N
RUNOF o
a
z - z
N
BURY FABRIC
AT LEAST 12"
V—SHAPED TRENCH DETAIL
INSPECTION AND MAINTENANCE:
THE KEY TO FUNCTIONAL SILT FENCE IS
WEEKLY INSPECTIONS, ROUTINE MAINTENANCE,
AND REGULAR SEDIMENT REMOVAL.
REGULAR INSPECTIONS OF SILT FENCE SHALL
BE CONDUCTED ONCE EVERY CALENDAR WEEK
AND, AS RECOMMENDED, WITHIN 24-HOURS
AFTER EACH RAINFALL EVEN THAT PRODUCES
1/2-INCH OR MORE OF PRECIPITATION.
ATTENTION TO SEDIMENT ACCUMULATIONS
ALONG THE SILT FENCE IS EXTREMELY
IMPORTANT. ACCUMULATED SEDIMENT SHOULD
BE CONTINUALLY MONITORED AND REMOVED
WHEN NECESSARY.
REMOVE ACCUMULATED SEDIMENT WHEN IT
REACHES 1/3 THE HEIGHT OF THE SILT FENCE.
REMOVED SEDIMENT SHALL BE PLACED IN
STOCKPILE STORAGE AREAS OR SPREAD THINLY
ACROSS DISTURBED AREA. STABILIZE THE
REMOVED SEDIMENT AFTER IT IS RELOCATED.
CHECK FOR AREAS WHERE STORMWATER
RUNOFF HAS ERODED A CHANNEL BENEATH THE
SILT FENCE, OR WHERE THE FENCE HAS
SAGGED OR COLLAPSED DUE TO RUNOFF
OVERTOPPING THE SILT FENCE, INSTALL
CHECKS/TIE-BACKS AND/OR REINSTALL SILT
FENCE, AS NECESSARY.
CHECK FOR TEARS WITHIN THE SILT FENCE,
AREAS WHERE SILT FENCE HAS BEGUN TO
DECOMPCSE, AND FOR ANY OTHER
CIRCUMS"ANCE THAT MAY RENDER THE SILT
FENCE INEFFECTIVE. REMOVED DAMAGED SILT
FENCE AND REINSTALL NEW SILT FENCE
IMMEDIAT-LY.
SILT FENCE SHOULD BE REMOVED WITHIN 30
DAYS AFTER FINAL STABILIZATION IS ACHIEVED
AND ONCE IT IS REMOVED, THE RESULTING
DISTURBED AREA SHALL BE PERMANENTLY
STABILIZED.
HORIZONTAL SCALE
0 20 40 80 160
( IN FEET )
1 inch = 40 ft.
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ENGINEER
CHARLESTON\COLUMBIA\GREENI
25 WOODS LAKE ROAD, SUITE 210
GREEVILLE, SC 29607
ph: 864-751-9121
WWW.ADCENGINEERING.COM
Know what's beloV
Call before ya
DATE:
7118/2022
ADC PROJECTM
22324
DESIGNED:
CDG
CHECKED:
CDG
DRAWN:
CDG
REVISION:
EROSION
CONTROL PLAN
PERMIT DOCUMENTS