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MIN. 10 GA.
LINE WIRES
DATE
TYPE
PLANTWO RATE
REGION
JAN. 1 - MAY 1
RYE (GRAIN)
120 LBS/ACRE
PIEDMONT
JAN. 1 - MAY 1
ANNUAL LESPEDEZA (KOBE)
50 LBS/ACRE
PIEDMONT
MAY 1 - AUG. 15
GERMAN MILLET
40 LBS/ACRE
PIEDMONT
MAY 1 - AUG. 15
SMALL -STEMMED SUDANGRASS
50 LBS/ACRE
PIEDMONT
AUG. 15 - DEC. 30
RYE (GRAIN)
120 LBS/ACRE
PIEDMONT
DEC. 1 - APR. 15
RYE (GRAIN)
120 LBS/ACRE
COASTAL PLAIN
DEC. 1 - APR. 15
ANNUAL LESPEDEZA (KOBE)
50 LBS/ACRE
COASTAL PLAIN
APR. 15 - AUG. 15
GERMAN MILLET
40 LBS/ACRE
COASTAL PLAIN
AUG. 15 - DEC. 30
RYE (GRAIN)
120 LBS/ACRE
COASTAL PLAIN
FEB. 15 - MAY 15
RYE (GRAIN)
120 LBS/ACRE
MOUNTAINS - ABOVE 2500 FEET
FEB. 1 - MAY 1
RYE (GRAIN)
120 LBS/ACRE
MOUNTAINS - BELOW 2500 FEET
FEB. 15 - MAY 15
ANNUAL LESPEDEZA (KOREAN)
50 LBS/ACRE
MOUNTAINS - ABOVE 2500 FEET
FEB. 1 - MAY 1
ANNUAL LESPEDEZA (KOREAN)
50 LBS/ACRE
MOUNTAINS - BELOW 2500 FEET
MAY 15 - AUG. 15
GERMAN MILLET
40 LBS/ACRE
MOUNTAINS
MAY 15 - AUG. 15
SMALL -STEMMED SUDANGRASS
50 LBS/ACRE
MOUNTAINS
AUG. 15 - DEC. 15
RYE (GRAIN)
120 LBS/ACRE
MOUNTAINS
TEMPORARY SEEDING SCHEDULE AND SEEDBED
PREPARATION
N.T.S.
_ 8' MAX. _I
VARIARI F AC f11RFl:TFf1 AY THE FNI;INFFR
IIN. 12-1 /2 GA.
ITERMEDIATE
VIRES
GRADE
I� FRONT VIEW I�
I II I II
I =1 I =1
NOTES
1. USE SILT FENCE ONLY WHEN
DRAINAGE AREA DOES NOT
EXCEED 1/4 ACRE AND
NEVER IN AREAS OF
CONCENTRATED FLOW.
2. END OF SILT FENCE NEEDS
TO BE TURNED UPHILL.
0
I
(V
TEMPORARY SILT FENCE
N.T.S.
SILT FENCE OUTLET
N.T.S.
STEEL POST
WOVEN WIRE FABRIC
- SILT FENCE GEOTEXTILE FABRIC
FILL SLOPE
* FOR REPAIR OF
SILT FENCE FAILURES,
- GRADE USE No. 57 WASHED
STONE. FOR ANCHOR
WHEN SILT FENCE IS
PROTECTING CATCH
8" MIN. COVER BASIN.
OVER SKIRT
ANCHOR SKIRT AS
DIRECTED BY ENGINEER
MAINTENANCE/SPECIFICATION NOTES
1. REMOVE SEDIMENT WHEN HALF OF STONE OUTLET IS COVERED
2. REPLACE STONE AS NEEDED TO ENSURE DEWATERING.
3. SILT FENCE OUTLETS SHOULD NOT BE LOCATED WHERE THE
OUTFLOW WILL ERODE THE SOIL BELOW.
SEEDBED PREPARATION:
1. TILL OR DISK THE PREPARED AREAS TO BE SEEDED TO A MINIMUM DEPTH OF FOUR
INCHES.
2. REMOVE STONES LARGER THAN THREE INCHES ON ANY SIDE, STICKS, ROOTS AND OTHER
EXTRANEOUS MATERIALS THAT SURFACE.
3. IF NOT INCORPORATED DURING THE SOIL PREPARATION PROCESS, ADD pH MODIFIER AND
FERTILIZERS AT THE RATE SPECIFIED IN THE SOIL TEST REPORT. IF THERE IS NO SOIL
TEST REPORT, FOLLOW SOIL AMENDMENTS BELOW.
4. RE -COMPACT THE AREA UTILIZING A CULTIPACKER ROLLER. THE FINISHED GRADE SHALL
BE A SMOOTH EVEN SOIL SURFACE WITH A LOOSE, UNIFORMLY FINE TEXTURE.
5. EVENLY APPLY SEED USING A CYCLONE SEEDER (BROADCAST), DRILL, CULTIPACKER
SEEDER, OR HYDROSEEDER. SMALL GRAINS SHOULD BE PLANTED NO MORE THAN 1 INCH
DEEP, AND GRASSES AND LEGUMES NO MORE THAN j INCH. BROADCAST SEED MUST BE
COVERED BY RAKING OR CHAIN DRAGGING, AND THEN LIGHTLY FIRMED WITH A ROLLER
OR CULTIPACKER. HYDROSEEDED MIXTURES SHOULD INCLUDE A WOOD FIBER (CELLULOSE)
MULCH.
NOTES:
1. CONSULT CONSERVATION ENGINEER OR SOIL CONSERVATION SERVICE FOR ADDITIONAL
INFORMATION CONCERNING OTHER ALTERNATIVES FOR VEGETATION OF DENUDED AREAS.
THE ABOVE VEGETATION RATES ARE THOSE WHICH DO WELL UNDER LOCAL CONDITIONS;
OTHER SEEDING RATE COMBINATIONS ARE POSSIBLE.
2. THIS SEEDING SCHEDULE IS FOR EROSION AND SEDIMENT CONTROL ONLY. SEE
LANDSCAPE PLAN FOR FINAL SEEDING.
3. THE CONTRACTOR SHALL PROVIDE GROUND COVER ON DESIGNATED AREAS AND SLOPES
GREATER THAN 3:1 WITHIN 7 DAYS FOLLOWING COMPLETION OF ANY PHASE OF GRADING
4. CONTRACTOR SHALL PROVIDE GROUND COVER IN 14 DAYS ON ALL OTHER AREAS
FOLLOWING COMPLETION OF ANY PHASE OF GRADING.
5. PERMANENT GROUND COVER FOR ALL DISTURBED AREAS SHALL BE PROVIDED WITHIN 15
WORKING DAYS OR 90 CALENDAR DAYS (WHICHEVER IS SHORTER) FOLLOWING
COMPLETION OF CONSTRUCTION.
CONSTRUCTION SPECIFICATIONS
MATERIALS
1. USE A SYNTHETIC FILTER FABRIC OF AT LEAST 95% BY WEIGHT OF POLYOLEFINS OR POLYESTER, WHICH IS CERTIFIED BY THE MANUFACTURER OR SUPPLIER AS
CONFORMING TO THE REQUIREMENTS IN ASTM D 6461. SYNTHETIC FILTER FABRIC SHOULD CONTAIN ULTRAVIOLET RAY INHIBITORS AND STABILIZERS TO PROVIDE
A MINIMUM OF 6 MONTHS OF EXPECTED USABLE CONSTRUCTION LIFE AT A TEMPERATURE RANGE OF 0 TO 120°F.
2. ENSURE THAT POSTS FOR SEDIMENT FENCES ARE 1.25 LB/LINEAR FT MINIMUM STEEL WITH A MINIMUM LENGTH OF 5 FEET. MAKE SURE THAT STEEL POSTS
HAVE PROJECTIONS TO FACILITATE FASTENING THE FABRIC.
3. FOR REINFORCEMENT OF STANDARD STRENGTH FILTER FABRIC, USE WIRE FENCE WITH A MINIMUM 14 GAUGE AND A MAXIMUM MESH SPACING OF 6 INCHES.
CONSTRUCTION
1. CONSTRUCT THE SEDIMENT BARRIER OF STANDARD STRENGTH OR EXTRA STRENGTH SYNTHETIC FILTER FABRICS.
2. ENSURE THAT THE HEIGHT OF THE SEDIMENT FENCE DOES NOT EXCEED 24 INCHES ABOVE THE GROUND SURFACE. (HIGHER FENCES MAY IMPOUND VOLUMES OF
WATER SUFFICIENT TO CAUSE FAILURE OF THE STRUCTURE.)
3. CONSTRUCT THE FILTER FABRIC FROM A CONTINUOUS ROLL CUT TO LENGTH OF THE BARRIER TO AVOID JOINTS. WHEN JOINTS ARE NECESSARY, SECURELY
FASTEN THE FILTER CLOTH ONLY AT A SUPPORT POST WITH 4 FEET MINIMUM OVERLAP TO THE NEXT POST.
4. SUPPORT STANDARD STRENGTH FILTER FABRIC BY WIRE MESH SUPPORT TO THE BOTTOM OF THE TRENCH. FASTEN THE WIRE REINFORCEMENT, THEN FABRIC ON
THE UPSLOPE SIDE OF THE FENCE POST. WIRE OR PLASTIC ZIP TIES SHOULD HAVE MINIMUM 50 POUND TENSILE STRENGTH.
5. WHEN A WIRE MESH SUPPORT FENCE IS USED, SPACE POSTS A MAXIMUM OF 8 FEET APART. SUPPORT POSTS SHOULD BE DRIVEN SECURELY INTO THE GROUND
A MINIMUM OF 24 INCHES.
6. EXTRA STRENGTH FILTER FABRIC WITH 6 FEET POST SPACING DOES NOT REQUIRE WIRE MESH SUPPORT FENCE. SECURELY FASTEN THE FILTER FABRIC DIRECTLY
TO POSTS. WIRE OR PLASTIC ZIP TIES SHOULD HAVE MINIMUM 50 POUND TENSILE STRENGTH.
7. EXCAVATE A TRENCH APPROXIMATELY 4 INCHES WIDE AND 8 INCHES DEEP ALONG THE PROPOSED LINE OF POSTS AND UPSLOPE FROM THE BARRIER.
8. PLACE 12 INCHES OF THE FABRIC ALONG THE BOTTOM AND SIDE OF THE TRENCH.
9. BACKFILL THE TRENCH WITH SOIL PLACED OVER THE FILTER FABRIC AND COMPACT. THOROUGH COMPACTION OF THE BACKFILL IS CRITICAL TO SILT FENCE
PERFORMANCE.
10. DO NOT ATTACH FILTER FABRIC TO EXISTING TREES.
MAINTENANCE
INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY. SHOULD THE FABRIC OF A SEDIMENT
FENCE COLLAPSE, TEAR, DECOMPOSE OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE
STORAGE VOLUME FOR THE NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID UNDERMINING THE FENCE DURING CLEANOUT. REMOVE
ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS
BEEN PROPERLY STABILIZED.
Li
STEEL POST SET
MAX 2' APART MIN
2' INTO SOLID GROUND
[�11 T CCI.1l�C
FENCE,
FILTER FABRIC,
AND AND HARDWARE
CLOTH IN TRENCH.
KHA DETAIL NO:01.302.RO2
NOTES:
APPLICABLE AT ALL POINTS OF
INGRESS & EGRESS UNTIL SITE IS
STABILIZED. FREQUENT CHECKS OF
THE DEVICE AND TIMELY
Sp• MAINTENANCE MUST BE PROVIDED.
2"-3" WASHED STONE
CONSTRUCTION SPECIFICATIONS:
1. CLEAR THE ENTRANCE AND EXIT AREA OF ALL VEGETATION, ROOTS, AND OTHER
OBJECTIONABLE MATERIAL AND PROPERLY GRADE IT.
2. PLACE THE GRAVEL TO THE SPECIFIC GRADE AND DIMENSIONS SHOWN ON THE PLANS, AND
SMOOTH IT.
3. PROVIDE DRAINAGE TO CARRY WATER TO A SEDIMENT TRAP OR OTHER SUITABLE OUTLET.
4. USE GEOTEXTILE FABRICS BECAUSE THEY IMPROVE STABILITY OF THE FOUNDATION IN
LOCATIONS SUBJECT TO SEEPAGE OR HIGH WATER TABLE.
MAINTENANCE NOTES:
MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM LEAVING
THE CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH 2-INCH STONE.
AFTER EACH RAINFALL, INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND CLEAN IT OUT
AS NECESSARY. IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIALS SPILLED, WASHED, OR
TRACKED ONTO PUBLIC ROADWAYS.
STEEL POST
WOVEN WIRE FABRIC Z
HARDWARE CLOTH
FILTER OF #57
WASHED STONE
� z
ON FGROUND ILTER FABRIC APRON
6"
BURY 6" UPPER EDGE OF
BURY WIRE FENCE AND 4" FILTER FABRIC APRON IN TRENCH
HARDWARE CLOTH
LJ
SIDE VIEW
6. COMPLETE GRADING BEFORE PREPARING SEEDBEDS, AND INSTALL ALL NECESSARY
EROSION CONTROL PRACTICES SUCH AS, DIKES, WATERWAYS, AND BASINS.
7. IF SOILS BECOME COMPACTED DURING GRADING, LOOSEN THEM TO A DEPTH OF 6-8
INCHES USING A RIPPER, HARROW, OR CHISEL PLOW.
8. THE USE OF AN APPROPRIATE MULCH WILL HELP ENSURE ESTABLISHMENT UNDER
NORMAL CONDITIONS, AND IS ESSENTIAL TO SEEDING SUCCESS UNDER HARSH SITE
CONDITIONS.
SOIL AMENDMENTS:
LATE WINTER THROUGH SUMMER: FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY
2000 LB/ACRE GROUND AGRICULTURAL LIMESTONE AND 750 LB/ACRE 10-10-10
FERTILIZER.
FALL: FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2000 LB/ACRE GROUND
AGRICULTURAL LIMESTONE AND 1000 LB/ACRE 10-10-10 FERTILIZER.
MULCH:
APPLY 4000 LB/ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR
A MULCH ANCHORING TOOL. A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED
AS A MULCH ANCHORING TOOL.
MAINTENANCE:
LATE WINTER THROUGH SUMMER: REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE.
RESEED, FERTILIZE AND MULCH IMMEDIATELY FOLLOWING EROSION OR OTHER DAMAGE.
FALL: REPAIR AND REFERTILIZE DAMAGED AREAS IMMEDIATELY. TOPDRESS WITH 50
LB/ACRE OF NITROGEN IN MARCH. IF IT IS NECESSARY TO EXTEND TEMPORARY COVER
BEYOND JUNE 15, OVERSEED WITH 50 LB/ACRE KOBE (PIEDMONT AND COASTAL PLAIN)
OR KOREAN (MOUNTAINS) LESPEDEZA IN LATE FEBRUARY OR EARLY MARCH.
KHA DETAIL NO:01.104.RO1
KHA DETAIL NO:01.303.RO2
NOTES
1. INLET MAINTENANCE SHALL BE
DOCUMENTED IN PROJECT LOG BOOK.
2. FILTER TYPES SHALL BE APPROVED BY
THE CITY INSPECTOR PRIOR TO
INSTALLATION.
3. FILTER BAGS MAY BE REMOVED WHEN
SITE IS STABILIZED AT THE DIRECTION OF
THE ENGINEER.
4. FILTER BAGS SHALL BE REMOVED PRIOR
TO STREET ACCEPTANCE.
5. FILTER BAGS SHALL BE CLEANED OR
REPLACED ON A REGULAR BASIS (NOT
BE MORE THAN HALF FULL AT ANY
TIME).
6. FILTER BAGS SHALL NOT BE ALLOWED IN
EXISTING CITY OR NCDOT ROADS.
CATCH BASIN INLET PROTECTION
N.T.S.
SECTION
TEMPORARY CONSTRUCTION ENTRANCE
N.T.S.
In' uini
PLAN VIEW
KHA DETAIL NO:01.101.RO2
PLYWOOD 48%24" BLACK LETTERS
PAINTED WHITE
6" HEIGHT
0.5"
LAG
N
CONCRETE o
SCREWS
WASHOUT
SIDE M
FRONT
VIEW
VIEW
3%3%8'
WOOD POSTS
"CONCRETE CONCRETE WASHOUT
wasHouT' slcN SIGN DETAIL
(SEE NOTE 2)
SANDBAGS (TYP.)
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PLASTIC LINING PIT SUMP cCAIl �9
SECTION B-B = 043114
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NOTES � Q •.!y� � N: �O ��
1. ACTUAL LAYOUT TO BE DETERMINED IN THE FIELD.
2. A CONCRETE WASHOUT SIGN SHALL BE INSTALLED WITHIN 30' OF THE TEMPORARY �� C..• • �`�
CONCRETE WASHOUT FACILITY. II
3. MATERIALS USED TO CONSTRUCT TEMPORARY CONCRETE WASHOUT FACILITIES SHALL BE 10/31/22
REMOVED FROM THE SITE AND DISPOSED OF OR RECYCLED.
4. HOLES, DEPRESSIONS OR OTHER GROUND DISTURBANCE CAUSED BY THE REMOVAL OF THE z m
TEMPORARY CONCRETE WASHOUT FACILITIES SHALL BE BACKFILLED, REPAIRED, AND pc U U
STABILIZED TO PREVENT EROSION. w N =
5. PIT CAPACITY IS MINIMUM OF 6 CUBIC FEET PER 10 CUBIC YARDS OF CONCRETE. N w CD cn
cn
CONCRETE WASHOUT STATION 04 o o m
N.T.S. KHA DETAIL NO:01.102.RO1 = 0 \ w z z Li
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GRATE
1" REBAR FOR BAG
ZEMOVAL FROM INLET
FILTER BAG
DUMP L04
CATCH BASIL
10I212m2ldril:7
OUTLET
INSTALLATION
KHA DETAIL NO:01.201.RO1
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SHEET NUMBER
C3.2