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CITY OF SANFORD, NORTH CAROLINA
BIG BUFFALO WASTEWATER TREATMENT PLANT 12MGD EXPANSION
US Army Corps of Engineers
Section 404 Permit Application - Nationwide Permit No. 39
NCDENR Division of Water Quality
401 Water Quality Certification Application
HAZEN AND SAWYER
Environne -tal E;i ;cars a Scientisrs
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t 140 CONSTRUCTOR OR LAND DISTURBANCE ACTIVITES MAY BEGIN
UNTIL ALL EROSION CONTROL MEASURES HAVE BEEN INSTALLED
IN LOCATIONS AS SHOWN ON THE CONTRACT DRAWINGS
2, CONTRACTOR REQUIRED TO MAINTAIN ALL CONSTRUCTION
ACTIVITIES WITHIN UNITS OF DISTURBANCE AS SHOWN ON THE
CONTRACT DRAWINGS.
3 ALL DISTURBED AREAS LEFT EXPOSED SHALL, WITHIN 21
CALENDAR DAYS OF COMPLETION OF ANY PHASE OF GRADING,
BE PLANTED OR OTHERWISE PROVIDED MTH TEMPORARY UZOUND
COVER, SPACES, OR XTRUCTIMES SUFFICIENT TO RESTRAIN
EARLIER,
A. PERMANENT GROUND COVER SUFFICIENT TO RESTRAIN EROSION
SHALL BE PLANTED OR OTHERWISE PROVIDED 'WITHIN 21 DAYS
FOLLOWING tOMPLITION OF CONSTRUCTION OR DEVELOPMENT, ON
THAT PORTION OF THE TRACT (DISTURBER AREA) UPON WHICH
FURTHER ACTIVE CONSTRUCTION WILL NOT BE TAKEN,
5- SILT FENCE SHALL BE CLEANED WHEN SEDIMENT VOLUME
REACHES 1/2 OF TOTAL VOLUME OF MEASURE.
6- ALL CRDWCN CONTROL MEASURED SHALL REMAIN IN PLACE UNTIL
CONSTRUCTION IS COMPLETE AND PERMANENT VEGETATION IS
ESTABLISHED ON ALL DISTURBED AREAS-
7CONTRACTOR SHALL R£ VEGETATE DISTURBED AREAS IN
ACCORDING TO THE REEDING SCHEDULE ON DRAWING 02 AND AS
PER SPOCIRCATION 02910 - FINAL GRADING ANN LANDSCAPING.
8, THE CONTRACTOR SMALL PROVIDE ADDITIONAL STABILIZED
OUTLETS FOR SILT FENCES (DETAIL 022724) WHEN SILT FENCES
ARE LOCATED IN LOW LYING AREAS NOT ILLUSTRATED ON PLAN
SHEETS,
S. ALL PIPE WORK SHALL BE INSTALLED IN ACCORDANCE WITH
STANDARD CONSTRUCTION TECHNIQUES. ONLY THE LENGTH OF
TRENCH III VA41CIA PIPE CAN BE INSTALLED IN ONE DAYS TIME
SHALL BE OPEN AT ANY TIME, WITH SPOIL MATERIAL PLACED ON
THE UPHILL SIDE OF THE TRENCH, PIPING SHALL BE CAPPED AT
END OF EACH DAYS WORK TO PREVENT SEDIMENT FROM
ENTERING, TRENN SHALL BE BACKFILLED AT END OF EACH
DAYS WORK AND DISTURBED AREAS SEEDED Ord TEMPORARY
SEEDING MEASURES IF APPROPRIATE,
IRTHE CU41RACM IS TO ENSURE ANY DEWATDANG SHALL BE
ROUTED THRU :SILT BAGS AND DISPOSED OF IN ACCORDANCE
WITH THE NORTH CAROLINA SEDIMENTATION POLLUTION W41ROL
ALF
11, CONTRACTOR SHALL ENSURE ANY TOXISTRUCRAN WASTE
GENERATED AS A RESULT OF PROPOSED CONSTRUCITON SHALL
BE DISPOSED OF IN A LANDFILL WTH ALL PERMITS REQUIRED BY
THE DIVISION OF WASTE MANAGMENT, ALL WASTE GOLD SHALL
BE STOCKPILED ON GTE AND COVERED UNDER THIS EROSION
ADD SEDIMENT CONTROL PLAN, OR TAKEN OFF SITE TO A SOIL,
DISPOSAL AREA WITH ALL APPLICATBLE STATE AND LOCAL
PERMITS.
DESIGNED 4N
DRAWN ................... JPC
NECKED
RPOLI'E'UMS, —JAM—,
m
0
0
100 YEAR
FLOCOPLAIN, TYP
(228,76 NGVD 29)
GRIT COLLECTION EXIST
SILT FENCE, TYP
INFLUENT PUMP ',STATION
0227044
MODIFICATIONS
GRIT HANDLIND
CURB/YARD INLET
MODIFICATIGNO
SEDIMENT CONTROL, TYP
OLD INFLUENT
PUMP STATION
MODIFICATIONS
APPROXIMATE LIMITS
OF DISTURBANCE, TYR
SCREENINGS AREA
SILT FENCE NTH
MODIFICATIONS
OUTLET CONTROL, TYP
=
FINE SCREENS
SWILL '61
—F Tif TEMPORARY ROLLED
DISTRIBUTRON BOX
FROSION CONTROL MITI FIN(, TYP
MODIFICATIONS
=
F72-ID141
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CITY OF SANFORIluii
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NORTH CAROLINA
SLUDGE
THICKENING
BUILDING
MODS
AEROBIC
DIGESTER I
MODIFICATIONS
AEROBIC
DIGESTER 2
MODIFICATIONS
SLUDGE
STORAGE
TANK 2
MODIFICATIONS
FARALUEL TO PIEi. /
NO EROSION
StiALL BE
A NOT RELEASED FOR CONSTRUCTION
SITE WORK
ChAL
EROSION & SEDIMENTATION CONTROL — AREA 3
ELECTRICAL
BUILDING 2
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