20211174 Ver 2_08_ErosionControlPages from BL-0024_20220323

0
0
PROFILE (HORIZONTAL)
PROJECT LENGTH
RIGHT OF WAY DATE:
LETTING DATE:
STATE STATE PROJECT REFERENCE NO.
STATE PROJ. NO.F. A. PROJ. NO.DESCRIPTION
NO.
TOTAL
SHEETS
SHEET
SIGNATURE:
SIGNATURE:
P.E.
P.E.
PROJECT ENGINEER
PROJECT DESIGN ENGINEER
GRAPHIC SCALES
PLANS
PROFILE (VERTICAL)
HYDRAULICS ENGINEER
DIVISION OF HIGHWAYS
STATE OF NORTH CAROLINA
0
3/23/202210 10 20
ROADWAY DESIGN ENGINEER
2018 STANDARD SPECIFICATIONS
K:\RAL_Roadway\011775062 - Cary Parkway Bridge\Erosion Control\PSH\BL-0024_ero_tsh.dgnC 2022
5
DOCUMENT NOT CONSIDERED FINAL
UNLESS ALL SIGNATURES COMPLETED
PHONE: [phone]
RALEIGH, NORTH CAROLINA 27601
421 FAYETTEVILLE STREET, SUITE 600
NC LICENSE #F-0102
CONTRACT: PROJECT: BL-0024THE TOWN OF CARY BY:
PLANS PREPARED FOR
TOWN OF CARY CONTACT
40 802040
0 40 802040
BL-0024N.C.
-L- Sta. 11+46.50
BEGIN BRIDGE
-L- Sta. 14+11.50
END BRIDGE
JEFFREY W. MOORE, P.E.
= 0.139 MILES
= 0.188 MILES
LENGTH STRUCTURE PROJECT BL-0024 = 0.049 MILES
TOTAL LENGTH PROJECT BL-0024
KYLE A. HUBERT, P.E.
CALEB D. LOWMAN, P.E.
LENGTH GREENWAY PROJECT BL-0024
NARRATIVE BLACK CREEK-L- Sta. 20+43.94
END PROJECT BL-0024
TO
N
HARR
ISON
AVE
-L- Sta. 9+75.00
BEGIN PROJECT BL-0024
PARK
NORTH CARY
TO EVANS ROAD
(SR 3112)
NW CARY PARKWAY
-L-GREENWAY ACCESSBLACK CREEK-Y1--Y2-GREENWAY
EXIST BLACK CREEK
TO EVANS ROAD COURT HAMPTON LEEEC-2
SOIL STABILIZATION TIMEFRAMES
STABILIZATION TIME TIMEFRAME EXCEPTIONSSITE DESCRIPTION
NPDES GENERAL STORMWATER PERMIT
IF SLOPES ARE 10' OR LESS IN LENGTH AND ARE
NOT STEEPER THAN 2:1, 14 DAYS ARE ALLOWED.
7 DAYS FOR SLOPES GREATER THAN 50' IN
LENGTH.
NONE, EXCEPT FOR PERIMETERS AND HQW ZONES.
NONE
NONEPERIMETER DIKES, SWALES, DITCHES AND SLOPES
HIGH QUALITY WATER (HQW) ZONES
SLOPES STEEPER THAN 3:1
SLOPES 3:1 OR FLATTER
ALL OTHER AREAS WITH SLOPES FLATTER THAN 4:1 14 DAYS
14 DAYS
7 DAYS
7 DAYS
7 DAYS
GENERAL NOTES (TYPICAL ALL SHEETS):
OF ENERGY, MINERAL, AND LAND RESOURCES.
DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION
APRIL 1, 2019 ISSUED BY THE NORTH CAROLINA
NCG-010000 GENERAL CONSTRUCTION PERMIT EFFECTIVE
COMPLYWITH THE REGULATIONS SET FORTH BY THE
THESE EROSION AND SEDIMENT CONTROL PLANS
DISTURBED AREAS
CARY PARKWAY PEDESTRIAN BRIDGE
IMPERVIOUS AND PERVIOUS SURFACES IN
DIRECTION OF FLOW
PROJECT DENUDED AREAS
PROPOSED PERVIOUS SURFACE = 1.60 AC
PROPOSED IMPERVIOUS SURFACE = 0.25 AC
the bridge the sidwalk will continue until it reaches the intersection with Hampton Lee Ct.
The trail then goes east with a pedestrian bridge on the side of NW Cary Parkway. After
Cary, NC. The project site begins west of the NW Cary Parkway Bridge at Black Creek.
The NW Cary Parkway Sidewalk and Pedestrian Bridge is location in Wake County,
stabilized with grass and permanent plantings.
during the construction of this project. Also, approximately 1.60 acres will be vegetatively
a pedestrian bridge with a 10-foot wide path. Approximately 1.85 acres will be disturbed
Parkway with connection to various adjacent locations. The multiuse trail includes
The project is described as constructing a sidewalk to the north side of NW Cary
The NW Cary Parkway is part of the Cary Comprehensive Pedestrian Plan.
Project Description
OF ROADS, DRIVEWAYS, OR PARKING LOTS.
CLEANED OFF THE ROADWAY BY DRY SWEEPING METHODS ONLY. WATER MUST NOT BE USED TO WASH SEDIMENT OFF
13.) DO NOT ALLOW CONCRETE DUST/WASTE/WASTEWATER INTO STORM DRAIN OR OFF-SITE. ALL SEDIMENT MUST BE
NECESSARY FOR STABILIZATION
12.) USE ROLLED EROSION CONTROL PRODUCTS ON ALL CUT/FILL SLOPES WITHOUT RIP RAPINCLUDING BASINS AS
REPLACED BY WATTLES UPON PARTIAL STABILIZATION OF SOIL.
DITCHES. CONTRACTOR TO COORDINATE WITH TOWN INSPECTOR TO DETERMINE WHEN ROCK CHECK DAMS MAY BE
11.) WATTLE DAMS TO BE INSTALLED AND MAINTAINED WHEN UNSTABLE AND SEDIMENT LADEN SOIL IS DRAINING IN
METHOD TO USE AT A GIVEN TIME.
URBAN NATURE OF THE SITE. CONTRACTOR TO COORDINATE WITH TOWN INSPECTOR TO DETERMINE THE BEST
TO STRUCTURES. MANY VERSIONS OF INLET PROTECTION HAVE BEEN PROPOSED ON THIS PROJECT DUE TO THE
10.) INLET PROTECTION TO BE INSTALLED AND MAINTAINED WHEN UNSTABLE AND SEDIMENT LADEN SOIL IS DRAINING
9.) SEE SHEET SHEET EC-X FOR GENERAL CONSTRUCTION SCHEDULE/SEQUENCE
8.) NO BURNING WILL BE ALLOWED ON THE PROJECT.
7.) INSTALL ANY ADDITIONAL EROSION CONTROL MEASURES AS NECESSARY TO PREVENT SEDIMENT RUNOFF.
NPDES PERMIT NO. NCG010000 AND NORTH CAROLINA GENERAL STATUE 113A-54.1(e) AND 15A NCAC 04B.0131.
SELF-INSPECTIONS AND SELF-MONITORING SHALL BE CONDUCTED IN ACCORDANCE WITH THE CONDITIONS OF THE
RAINFALL EVENT OF ONE INCH AND GREATER. SUBMIT SELF-INSPECTION REPORT WITHIN 15 DAYS OF THE INSPECTION.
6.) ALL EROSION CONTROL MEASURES MUST BE SELF-INSPECTED ONCE A WEEK OR WITHIN 24 HOURS OF ANY
FENCE RUNS.
5.) SILT FENCE OUTLET MUST BE ADDED IN THE FIELD WHENEVER LOW POINTS ARE ENCOUNTERED ALONG SILT
STORM DRAINS ARE INSTALLED SO THAT THE FENCES WILL PASS OVER THE PIPE OUTLETS.
4.) WHERE SILT FENCES ARE LOCATED BELOW STORM DRAIN OUTLETS, THEIR LOCATIONS MUST BE MODIFIED AS THE
BE SUBMITTED FOR APPROVAL PRIOR TO CONSTRUCTION.
SILT FROM PUMPED EFFLUENT DURING COSNTRUCTION. IF COFFER DAMS ARE UTILIZED, A COFFER DAM DETAIL MUST
BLOACKAGE, REPLACE BAG WHEN ƒ FULL OF SEDIMENT, AND PROVIDE A SUFFICIENT QUANTITY OF BAGS TO CONTAIN
COFFER DAM AND PUMP AROUND. IF SILT BAGS ARE UTILIZED, CONTRACTOR TO INSPECT BAG FOR DAMAGE AND
OR CONTRACTOR SHALL PLAN TO ISOLATE AND DEWATER EXCAVATED AREAS AS NEEDED USING SILT BAGS AND/OR
3.) PIPES SHALL BE INSTALLED/REPLACED IN THE DRY (WITH A MIN. 3 DAYS OF DRY WEATHER DURING INSTALLATION)
AT THE CONTRACTOR'S EXPENSE.
DAMAGE TO EXISTING CURB AND GUTTER, ROADS, OR PARKING LOTS AT CONSTRUCTION ENTRANCES MUST BE REPAIRED
FREE OF DEBRIS, DIRT, AND EQUIPMENT DURING THE PROJECT DURATION UNLESS DIRECTED BY TOWN ENGINEER. ANY
2.) CONTRACTOR TO ENSURE THAT ALL ROADWAYS, PARKING LOTS, AND CURB LINES ADJACENT TO THIS PROJECT ARE
1.) ALL EROSION CONTROL MEASURES TO BE WITHIN LIMITS OF DISTURBANCE.
GREENWAY (BY OTHERS)
PROPOSED BLACK CREEK
Total Disturbed Area (shaded) = 1.85 acres
EC-1
1871
RCA NATN,RO H C
AY IOLR
TOWN OF CARYNAD 83/2011NC GRID
47
LOW UTILITY=382.14'
LOW POWER=397.46'
P-102
LOW UTILITY=380.55'
LOW POWER=389.33'
P-103
LOW UTILITY=373.42'
LOW POWER=382.60'
P-104
LOW UTILITY=372.73'
LOW POWER=382.67'
P-105
LOW UTILITY=370.26'
LOW POWER=386.92'
P-106
EX
IS
T
ING

R
/W
E
X
IS
T
IN
G

R
/W
DB
11813
PG
765
20' GREENWAY
EASEMENT
EIP
0.47' EIP TO R/WN 89°30'00"
W
311.62'
BLACK CREEK
BM 1982 PG 24440' UTI
LI
TY EASEM
ENTN 01°05'19" EN 06°42'21" W559.84'472.16' TOTALDB
117
9
4 PG
6
9
6
2
0' GREENWAY EAS
EMENTEXISTING R/W BLACK CREEKEIP BM 1982 PG 24440' UTILITY EASEMENTN 00°33'39" E748.89'EXISTING R/W
106.00'106.00'HH
SD-102
CB
TOP=355.09'
INV IN (W)=349.90'
INV IN (S)=349.69'
INV OUT (N)=349.55'
SD-101
CB
TOP=365.34'
INV IN (W)=361.80'
INV OUT (E)=361.75'
SD-103
DI
TOP=353.36'
INV OUT=350.48'
SD-104
DI
TOP=306.80'
INV OUT=303.75'
SD-105
(2) DI
TOP=345.81'
INV IN (W)=342.51'
INV OUT (SW)=342.24'
SD-108
DI
TOP=356.77'
INV IN (N)=349.23'
INV OUT (W)=349.11'
SD-106
CB
TOP=360.01'
NO INVERTS
FULL OF DEBRIS
SD-107
CB
TOP=360.39'
INV OUT=356.82'HHHH4 ", PVC, TOWN OF CARYTOWN OF CARY
12 ", DIP,
TOWN OF CARY
12 ", DIP,
WATERLINE ATTACHED TO BRIDGE
FUTURE 6" STUB
12 ", D
IP, TO
W
N
O
F
C
A
R
Y
AERIAL FO LINE
12 ",
D
IP, TO
W
N
O
F
C
A
R
Y
AT&T Corp.
C
orp.
A
T
&
T
W
Charter
12" D
I
WATER
L
INE
12" DI WATER LINE
TOWN OF CARY
BM 1994 PG 1888
DB 6394 PG 186
PIN 0765-23-7973
1000HL APTS, LLC
BM 1994 PG 859
DB 18175 PG 1924
PIN 0765-53-4335
BM 1988 PG 1069
DB 12949 PG 1287
DB 7775 PG 470
PIN 0765-44-4056
MID AMERICA APARTMENTS, LLC
ASSOCIATION, INC.
BEECHTREE OF CARY HOME OWNERS
BM 1988 PG 1069
DB 4326 PG 567
PIN 0765-64-1435
TOWN OF CARY
BM 1994 PG 1888
DB 6394 PG 186
PIN 0765-23-7973
TOWN OF CARY
BM 1994 PG 1888
DB 6394 PG 186
PIN 0765-23-7973 3003003003053053053053
05305305305305305310310310310310315315315315315320
320320320320325
325325325325325330
330330330330330
335
335335335335335
335335
340
340340340340340
340
340340340345345345345345345345
345
3
4
5
3
4
5
345345350350350350350350350
3503503503503
5
0
350350350350350350350350355355355
355355
355355355360360360
3
60360360365
365
365365365370
370
370370370
375 375380
380380
3853851
2
3
1
1
2
1
SHEET NO.PROJECT REFERENCE NO.K:\RAL_Roadway\011775062 - Cary Parkway Bridge\Erosion Control\PSH\BL-0024_ero_psh_4.dgn3/23/2022421 FAYETTEVILLE STREET, SUITE 600
C 2022
RALEIGH, NC 27601
BL-0024
ROADWAY DESIGN
ENGINEER
DOCUMENT NOT CONSIDERED FINAL
UNLESS ALL SIGNATURES COMPLETED
NAD 83/2011NC GRIDLEE COURTHAMPTONEC-2
(APPLIES TO ALL SHEETS)
LEGEND
C F
CONSTRUCTION LIMIT
(SHADED ON PLANS)
LIMITS OF DISTURBANCE
STAGING AND STOCKPILE AREA
(SEE DETAIL ON SHEET EC-5)
TEMPORARY SILT FENCE
(SEE DETAIL ON SHEET EC-5)
SILT FENCE OUTLET
SPECIAL SEDIMENT CONTROL FENCE/
EXISTING CONTOUR
ON SHEET EC-6)
ENTRANCE (SEE DETAIL
TEMPORARY CONSTRUCTION
SHEET EC-6)
DAM, TYPE A (SEE DETAIL ON
TEMPORARY ROCK SILT CHECK
(SEE DETAIL ON SHEET EC-6)
WATTLE CHECK
& EC-6)
(SEE DETAILS ON SHEETS EC-5
STORM DRAIN INLET PROTECTION
(SEE DETAIL ON SHEET EC-5)
ROCK INLET SEDIMENT TRAP
GREENWAY
PROPOSED 3:13:1
D
( Not to Scale)
STANDARD 'V' DITCH
FROM STA. 14+40 TO STA. 15+75 -L- RT
Min. D= 1 Ft.
DETAIL 1
1.0%
Ground
Natural
( Not to Scale)
TOE PROTECTION
d
FLATTER2:1 OR
FROM STA. 11+22 TO STA. 11+85 -L- LT
DETAIL 2
Type of Liner= CL B Rip-Rap
d= 1 Ft.
GROUND
NATURAL SLOPE
FILL
GEOTEXTILE 1% ANNUAL CHANCE FLOODFLOODWAYCHANCE FLOOD1% ANNUAL CHANCE FLOOD0.2% ANNUAL
F
L
O
O
DW
A
Y0.2% ANNUAL CHANCE FLOODO
LIMITS OF DISTURBANCE (TYP)
LIMITS (TYP)
2' FROM CONSTRUCTION
INSTALL SILT FENCE
ENTRANCE
CONSTRUCTION
INSTALL GRAVEL
ENTRANCE
CONSTRUCTION
INSTALL GRAVEL
ENTRANCE
CONSTRUCTION
INSTALL GRAVEL
LIMITS OF DISTURBANCE (TYP)
LIMITS (TYP)
2' FROM CONSTRUCTION
INSTALL SILT FENCE
1' WEIR HEIGHT
SILT CHECK, TYPE A
INSTALL ROCK
CONSTRUCTION SITE)
NEAR ENTRANCE TO
BOX HERE (OR LOCATION
PLACE PERMITS RECORD
(TYP)
DISTURBANCE
LIMITS OF
STAG
ING
AREA
STAG
ING
AREA
TEMPORARY WORK BRIDGE
TEMP LINING - JUTE NET
INSTALL WATTLES 170' SPACING
1' WEIR HEIGHT
SILT CHECK, TYPE A
INSTALL ROCK
BUFFER PLANTING PLAN
SEE EC-3 FOR RIPARIAN 15+0015+0010+0020+0060+0060+00
(SR 3112) NW CARY PARKWAY
C
C
F
FF C
C
C
C
C
F
F
F
F
C
C
C
F
F
F
SHEET NO.PROJECT REFERENCE NO.3/23/2022K:\RAL_Roadway\011775062 - Cary Parkway Bridge\Erosion Control\PSH\BL-0024_ero_dtl.dgnDOCUMENT NOT CONSIDERED FINAL
UNLESS ALL SIGNATURES COMPLETED
BL-0024
421 FAYETTEVILLE STREET, SUITE 600
C 2021
RALEIGH, NC 27601
ROADWAY DESIGN
ENGINEER
EC-3
LT
RIPRAP OUTLET PROTECTION
below the riprap has taken place, or if stones have been dislodged. Immediately make all needed repairs to prevent further damage.
Inspect riprap outlet structures weekly and after significant (1/2 inch or greater) rainfall events to see if any erosion around or
MAINTENANCE:
ALIGNMENT STATION RT/LT RIP RAP CLASS RIP RAP (TONS)LENGTH OF APRON (FT)
AT PIPE OUTLET (FT)
WIDTH OF APRON FILTER FABRIC (SY)
RIP RAP OUTLET PROTECTION
CLASS I 87 10 15
Do
La
Do + La3Do
-L-11+80
-L-14+03 RT CLASS B 3 106.255
SCIENTIFIC NAME COMMON NAME
Red TopAgrostis alba
Virginia Wild RyeElymus virginicus
SwitchgrassPanicum virgatum
Gamma GrassTripsicum dactyloides
Pennsylvania SmartweedPolygonum pennsylvanicum
Little BluestemSchizachyrium scoparium
Soft RushJuncus effusus
TickseedBidens aristosa
Lance-leaved coreopsisCoreopsis lanceolata
Deer TonguePanicim clandestinum
Big BluestemAndropogon gerardii
IndiangrassSorgastrum nutans
1: A SIMILAR MIXTURE CAN BE USED WITH APPROVAL BY ENGINEER.
RIPARIAN BUFFER SEEDING PLAN 1
PER CENT COMPOSITION
10
15
15
5
5
5
5
10
10
5
5
10
HERBACEOUS, PERMANENT SEED MIXTURE LABELED "RIPARIAN SEED MIX"
PER ACRE SHALL BE USED FOR SEEDING. THE FOLLOWING TABLE LISTS
A RIPARIAN SEED MIX AT THE RATE OF ¼ LB PER 1,000 SQ FT OR 10 LBS
SCIENTIFIC NAME COMMON NAME
Beauty Berry
Red Chokeberry
BUFFER ZONE 1 PLANTING PLAN
PER CENT COMPOSITION
25
25
15
10
10
FEET ON CENTER OR 250 PER 1,000 SF.
BANKFULL OUTWARD AND THE TOP OF BANK. PLANT SPACING WILL BE 3-4
BUFFER ZONE 1 PLANTINGS TO BE INSTALLED IN AREAS BETWEEN THE
Viburnum dentatum Southern Arrowwood
Cornus amomum Silky Dogwood
Llex glabra
Cephalanthus occidentalis Button Bush
Photinia pyrifolia
Alnus serrulata Tag Alder 15
RIPARIAN BUFFER PLANTING PLAN
0
0
PROFILE (HORIZONTAL)
PROJECT LENGTH
RIGHT OF WAY DATE:
LETTING DATE:
STATE STATE PROJECT REFERENCE NO.
STATE PROJ. NO.F. A. PROJ. NO.DESCRIPTION
NO.
TOTAL
SHEETS
SHEET
SIGNATURE:
SIGNATURE:
P.E.
P.E.
PROJECT ENGINEER
PROJECT DESIGN ENGINEER
GRAPHIC SCALES
PLANS
PROFILE (VERTICAL)
HYDRAULICS ENGINEER
DIVISION OF HIGHWAYS
STATE OF NORTH CAROLINA
0
3/23/202210 10 20
ROADWAY DESIGN ENGINEER
2018 STANDARD SPECIFICATIONS
K:\RAL_Roadway\011775062 - Cary Parkway Bridge\Erosion Control\PSH\BL-0024_ero_tsh.dgnC 2022
5
DOCUMENT NOT CONSIDERED FINAL
UNLESS ALL SIGNATURES COMPLETED
PHONE: [phone]
RALEIGH, NORTH CAROLINA 27601
421 FAYETTEVILLE STREET, SUITE 600
NC LICENSE #F-0102
CONTRACT: PROJECT: BL-0024THE TOWN OF CARY BY:
PLANS PREPARED FOR
TOWN OF CARY CONTACT
40 802040
0 40 802040
BL-0024N.C.
-L- Sta. 11+46.50
BEGIN BRIDGE
-L- Sta. 14+11.50
END BRIDGE
JEFFREY W. MOORE, P.E.
= 0.139 MILES
= 0.188 MILES
LENGTH STRUCTURE PROJECT BL-0024 = 0.049 MILES
TOTAL LENGTH PROJECT BL-0024
KYLE A. HUBERT, P.E.
CALEB D. LOWMAN, P.E.
LENGTH GREENWAY PROJECT BL-0024
NARRATIVE BLACK CREEK-L- Sta. 20+43.94
END PROJECT BL-0024
TO
N
HARR
ISON
AVE
-L- Sta. 9+75.00
BEGIN PROJECT BL-0024
PARK
NORTH CARY
TO EVANS ROAD
(SR 3112)
NW CARY PARKWAY
-L-GREENWAY ACCESSBLACK CREEK-Y1--Y2-GREENWAY
EXIST BLACK CREEK
TO EVANS ROAD COURT HAMPTON LEEEC-2
SOIL STABILIZATION TIMEFRAMES
STABILIZATION TIME TIMEFRAME EXCEPTIONSSITE DESCRIPTION
NPDES GENERAL STORMWATER PERMIT
IF SLOPES ARE 10' OR LESS IN LENGTH AND ARE
NOT STEEPER THAN 2:1, 14 DAYS ARE ALLOWED.
7 DAYS FOR SLOPES GREATER THAN 50' IN
LENGTH.
NONE, EXCEPT FOR PERIMETERS AND HQW ZONES.
NONE
NONEPERIMETER DIKES, SWALES, DITCHES AND SLOPES
HIGH QUALITY WATER (HQW) ZONES
SLOPES STEEPER THAN 3:1
SLOPES 3:1 OR FLATTER
ALL OTHER AREAS WITH SLOPES FLATTER THAN 4:1 14 DAYS
14 DAYS
7 DAYS
7 DAYS
7 DAYS
GENERAL NOTES (TYPICAL ALL SHEETS):
OF ENERGY, MINERAL, AND LAND RESOURCES.
DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION
APRIL 1, 2019 ISSUED BY THE NORTH CAROLINA
NCG-010000 GENERAL CONSTRUCTION PERMIT EFFECTIVE
COMPLYWITH THE REGULATIONS SET FORTH BY THE
THESE EROSION AND SEDIMENT CONTROL PLANS
DISTURBED AREAS
CARY PARKWAY PEDESTRIAN BRIDGE
IMPERVIOUS AND PERVIOUS SURFACES IN
DIRECTION OF FLOW
PROJECT DENUDED AREAS
PROPOSED PERVIOUS SURFACE = 1.60 AC
PROPOSED IMPERVIOUS SURFACE = 0.25 AC
the bridge the sidwalk will continue until it reaches the intersection with Hampton Lee Ct.
The trail then goes east with a pedestrian bridge on the side of NW Cary Parkway. After
Cary, NC. The project site begins west of the NW Cary Parkway Bridge at Black Creek.
The NW Cary Parkway Sidewalk and Pedestrian Bridge is location in Wake County,
stabilized with grass and permanent plantings.
during the construction of this project. Also, approximately 1.60 acres will be vegetatively
a pedestrian bridge with a 10-foot wide path. Approximately 1.85 acres will be disturbed
Parkway with connection to various adjacent locations. The multiuse trail includes
The project is described as constructing a sidewalk to the north side of NW Cary
The NW Cary Parkway is part of the Cary Comprehensive Pedestrian Plan.
Project Description
OF ROADS, DRIVEWAYS, OR PARKING LOTS.
CLEANED OFF THE ROADWAY BY DRY SWEEPING METHODS ONLY. WATER MUST NOT BE USED TO WASH SEDIMENT OFF
13.) DO NOT ALLOW CONCRETE DUST/WASTE/WASTEWATER INTO STORM DRAIN OR OFF-SITE. ALL SEDIMENT MUST BE
NECESSARY FOR STABILIZATION
12.) USE ROLLED EROSION CONTROL PRODUCTS ON ALL CUT/FILL SLOPES WITHOUT RIP RAPINCLUDING BASINS AS
REPLACED BY WATTLES UPON PARTIAL STABILIZATION OF SOIL.
DITCHES. CONTRACTOR TO COORDINATE WITH TOWN INSPECTOR TO DETERMINE WHEN ROCK CHECK DAMS MAY BE
11.) WATTLE DAMS TO BE INSTALLED AND MAINTAINED WHEN UNSTABLE AND SEDIMENT LADEN SOIL IS DRAINING IN
METHOD TO USE AT A GIVEN TIME.
URBAN NATURE OF THE SITE. CONTRACTOR TO COORDINATE WITH TOWN INSPECTOR TO DETERMINE THE BEST
TO STRUCTURES. MANY VERSIONS OF INLET PROTECTION HAVE BEEN PROPOSED ON THIS PROJECT DUE TO THE
10.) INLET PROTECTION TO BE INSTALLED AND MAINTAINED WHEN UNSTABLE AND SEDIMENT LADEN SOIL IS DRAINING
9.) SEE SHEET SHEET EC-X FOR GENERAL CONSTRUCTION SCHEDULE/SEQUENCE
8.) NO BURNING WILL BE ALLOWED ON THE PROJECT.
7.) INSTALL ANY ADDITIONAL EROSION CONTROL MEASURES AS NECESSARY TO PREVENT SEDIMENT RUNOFF.
NPDES PERMIT NO. NCG010000 AND NORTH CAROLINA GENERAL STATUE 113A-54.1(e) AND 15A NCAC 04B.0131.
SELF-INSPECTIONS AND SELF-MONITORING SHALL BE CONDUCTED IN ACCORDANCE WITH THE CONDITIONS OF THE
RAINFALL EVENT OF ONE INCH AND GREATER. SUBMIT SELF-INSPECTION REPORT WITHIN 15 DAYS OF THE INSPECTION.
6.) ALL EROSION CONTROL MEASURES MUST BE SELF-INSPECTED ONCE A WEEK OR WITHIN 24 HOURS OF ANY
FENCE RUNS.
5.) SILT FENCE OUTLET MUST BE ADDED IN THE FIELD WHENEVER LOW POINTS ARE ENCOUNTERED ALONG SILT
STORM DRAINS ARE INSTALLED SO THAT THE FENCES WILL PASS OVER THE PIPE OUTLETS.
4.) WHERE SILT FENCES ARE LOCATED BELOW STORM DRAIN OUTLETS, THEIR LOCATIONS MUST BE MODIFIED AS THE
BE SUBMITTED FOR APPROVAL PRIOR TO CONSTRUCTION.
SILT FROM PUMPED EFFLUENT DURING COSNTRUCTION. IF COFFER DAMS ARE UTILIZED, A COFFER DAM DETAIL MUST
BLOACKAGE, REPLACE BAG WHEN ƒ FULL OF SEDIMENT, AND PROVIDE A SUFFICIENT QUANTITY OF BAGS TO CONTAIN
COFFER DAM AND PUMP AROUND. IF SILT BAGS ARE UTILIZED, CONTRACTOR TO INSPECT BAG FOR DAMAGE AND
OR CONTRACTOR SHALL PLAN TO ISOLATE AND DEWATER EXCAVATED AREAS AS NEEDED USING SILT BAGS AND/OR
3.) PIPES SHALL BE INSTALLED/REPLACED IN THE DRY (WITH A MIN. 3 DAYS OF DRY WEATHER DURING INSTALLATION)
AT THE CONTRACTOR'S EXPENSE.
DAMAGE TO EXISTING CURB AND GUTTER, ROADS, OR PARKING LOTS AT CONSTRUCTION ENTRANCES MUST BE REPAIRED
FREE OF DEBRIS, DIRT, AND EQUIPMENT DURING THE PROJECT DURATION UNLESS DIRECTED BY TOWN ENGINEER. ANY
2.) CONTRACTOR TO ENSURE THAT ALL ROADWAYS, PARKING LOTS, AND CURB LINES ADJACENT TO THIS PROJECT ARE
1.) ALL EROSION CONTROL MEASURES TO BE WITHIN LIMITS OF DISTURBANCE.
GREENWAY (BY OTHERS)
PROPOSED BLACK CREEK
Total Disturbed Area (shaded) = 1.85 acres
EC-1
1871
RCA NATN,RO H C
AY IOLR
TOWN OF CARYNAD 83/2011NC GRID
47
LOW UTILITY=382.14'
LOW POWER=397.46'
P-102
LOW UTILITY=380.55'
LOW POWER=389.33'
P-103
LOW UTILITY=373.42'
LOW POWER=382.60'
P-104
LOW UTILITY=372.73'
LOW POWER=382.67'
P-105
LOW UTILITY=370.26'
LOW POWER=386.92'
P-106
EX
IS
T
ING

R
/W
E
X
IS
T
IN
G

R
/W
DB
11813
PG
765
20' GREENWAY
EASEMENT
EIP
0.47' EIP TO R/WN 89°30'00"
W
311.62'
BLACK CREEK
BM 1982 PG 24440' UTI
LI
TY EASEM
ENTN 01°05'19" EN 06°42'21" W559.84'472.16' TOTALDB
117
9
4 PG
6
9
6
2
0' GREENWAY EAS
EMENTEXISTING R/W BLACK CREEKEIP BM 1982 PG 24440' UTILITY EASEMENTN 00°33'39" E748.89'EXISTING R/W
106.00'106.00'HH
SD-102
CB
TOP=355.09'
INV IN (W)=349.90'
INV IN (S)=349.69'
INV OUT (N)=349.55'
SD-101
CB
TOP=365.34'
INV IN (W)=361.80'
INV OUT (E)=361.75'
SD-103
DI
TOP=353.36'
INV OUT=350.48'
SD-104
DI
TOP=306.80'
INV OUT=303.75'
SD-105
(2) DI
TOP=345.81'
INV IN (W)=342.51'
INV OUT (SW)=342.24'
SD-108
DI
TOP=356.77'
INV IN (N)=349.23'
INV OUT (W)=349.11'
SD-106
CB
TOP=360.01'
NO INVERTS
FULL OF DEBRIS
SD-107
CB
TOP=360.39'
INV OUT=356.82'HHHH4 ", PVC, TOWN OF CARYTOWN OF CARY
12 ", DIP,
TOWN OF CARY
12 ", DIP,
WATERLINE ATTACHED TO BRIDGE
FUTURE 6" STUB
12 ", D
IP, TO
W
N
O
F
C
A
R
Y
AERIAL FO LINE
12 ",
D
IP, TO
W
N
O
F
C
A
R
Y
AT&T Corp.
C
orp.
A
T
&
T
W
Charter
12" D
I
WATER
L
INE
12" DI WATER LINE
TOWN OF CARY
BM 1994 PG 1888
DB 6394 PG 186
PIN 0765-23-7973
1000HL APTS, LLC
BM 1994 PG 859
DB 18175 PG 1924
PIN 0765-53-4335
BM 1988 PG 1069
DB 12949 PG 1287
DB 7775 PG 470
PIN 0765-44-4056
MID AMERICA APARTMENTS, LLC
ASSOCIATION, INC.
BEECHTREE OF CARY HOME OWNERS
BM 1988 PG 1069
DB 4326 PG 567
PIN 0765-64-1435
TOWN OF CARY
BM 1994 PG 1888
DB 6394 PG 186
PIN 0765-23-7973
TOWN OF CARY
BM 1994 PG 1888
DB 6394 PG 186
PIN 0765-23-7973 3003003003053053053053
05305305305305305310310310310310315315315315315320
320320320320325
325325325325325330
330330330330330
335
335335335335335
335335
340
340340340340340
340
340340340345345345345345345345
345
3
4
5
3
4
5
345345350350350350350350350
3503503503503
5
0
350350350350350350350350355355355
355355
355355355360360360
3
60360360365
365
365365365370
370
370370370
375 375380
380380
3853851
2
3
1
1
2
1
SHEET NO.PROJECT REFERENCE NO.K:\RAL_Roadway\011775062 - Cary Parkway Bridge\Erosion Control\PSH\BL-0024_ero_psh_4.dgn3/23/2022421 FAYETTEVILLE STREET, SUITE 600
C 2022
RALEIGH, NC 27601
BL-0024
ROADWAY DESIGN
ENGINEER
DOCUMENT NOT CONSIDERED FINAL
UNLESS ALL SIGNATURES COMPLETED
NAD 83/2011NC GRIDLEE COURTHAMPTONEC-2
(APPLIES TO ALL SHEETS)
LEGEND
C F
CONSTRUCTION LIMIT
(SHADED ON PLANS)
LIMITS OF DISTURBANCE
STAGING AND STOCKPILE AREA
(SEE DETAIL ON SHEET EC-5)
TEMPORARY SILT FENCE
(SEE DETAIL ON SHEET EC-5)
SILT FENCE OUTLET
SPECIAL SEDIMENT CONTROL FENCE/
EXISTING CONTOUR
ON SHEET EC-6)
ENTRANCE (SEE DETAIL
TEMPORARY CONSTRUCTION
SHEET EC-6)
DAM, TYPE A (SEE DETAIL ON
TEMPORARY ROCK SILT CHECK
(SEE DETAIL ON SHEET EC-6)
WATTLE CHECK
& EC-6)
(SEE DETAILS ON SHEETS EC-5
STORM DRAIN INLET PROTECTION
(SEE DETAIL ON SHEET EC-5)
ROCK INLET SEDIMENT TRAP
GREENWAY
PROPOSED 3:13:1
D
( Not to Scale)
STANDARD 'V' DITCH
FROM STA. 14+40 TO STA. 15+75 -L- RT
Min. D= 1 Ft.
DETAIL 1
1.0%
Ground
Natural
( Not to Scale)
TOE PROTECTION
d
FLATTER2:1 OR
FROM STA. 11+22 TO STA. 11+85 -L- LT
DETAIL 2
Type of Liner= CL B Rip-Rap
d= 1 Ft.
GROUND
NATURAL SLOPE
FILL
GEOTEXTILE 1% ANNUAL CHANCE FLOODFLOODWAYCHANCE FLOOD1% ANNUAL CHANCE FLOOD0.2% ANNUAL
F
L
O
O
DW
A
Y0.2% ANNUAL CHANCE FLOODO
LIMITS OF DISTURBANCE (TYP)
LIMITS (TYP)
2' FROM CONSTRUCTION
INSTALL SILT FENCE
ENTRANCE
CONSTRUCTION
INSTALL GRAVEL
ENTRANCE
CONSTRUCTION
INSTALL GRAVEL
ENTRANCE
CONSTRUCTION
INSTALL GRAVEL
LIMITS OF DISTURBANCE (TYP)
LIMITS (TYP)
2' FROM CONSTRUCTION
INSTALL SILT FENCE
1' WEIR HEIGHT
SILT CHECK, TYPE A
INSTALL ROCK
CONSTRUCTION SITE)
NEAR ENTRANCE TO
BOX HERE (OR LOCATION
PLACE PERMITS RECORD
(TYP)
DISTURBANCE
LIMITS OF
STAG
ING
AREA
STAG
ING
AREA
TEMPORARY WORK BRIDGE
TEMP LINING - JUTE NET
INSTALL WATTLES 170' SPACING
1' WEIR HEIGHT
SILT CHECK, TYPE A
INSTALL ROCK
BUFFER PLANTING PLAN
SEE EC-3 FOR RIPARIAN 15+0015+0010+0020+0060+0060+00
(SR 3112) NW CARY PARKWAY
C
C
F
FF C
C
C
C
C
F
F
F
F
C
C
C
F
F
F
SHEET NO.PROJECT REFERENCE NO.3/23/2022K:\RAL_Roadway\011775062 - Cary Parkway Bridge\Erosion Control\PSH\BL-0024_ero_dtl.dgnDOCUMENT NOT CONSIDERED FINAL
UNLESS ALL SIGNATURES COMPLETED
BL-0024
421 FAYETTEVILLE STREET, SUITE 600
C 2021
RALEIGH, NC 27601
ROADWAY DESIGN
ENGINEER
EC-3
LT
RIPRAP OUTLET PROTECTION
below the riprap has taken place, or if stones have been dislodged. Immediately make all needed repairs to prevent further damage.
Inspect riprap outlet structures weekly and after significant (1/2 inch or greater) rainfall events to see if any erosion around or
MAINTENANCE:
ALIGNMENT STATION RT/LT RIP RAP CLASS RIP RAP (TONS)LENGTH OF APRON (FT)
AT PIPE OUTLET (FT)
WIDTH OF APRON FILTER FABRIC (SY)
RIP RAP OUTLET PROTECTION
CLASS I 87 10 15
Do
La
Do + La3Do
-L-11+80
-L-14+03 RT CLASS B 3 106.255
SCIENTIFIC NAME COMMON NAME
Red TopAgrostis alba
Virginia Wild RyeElymus virginicus
SwitchgrassPanicum virgatum
Gamma GrassTripsicum dactyloides
Pennsylvania SmartweedPolygonum pennsylvanicum
Little BluestemSchizachyrium scoparium
Soft RushJuncus effusus
TickseedBidens aristosa
Lance-leaved coreopsisCoreopsis lanceolata
Deer TonguePanicim clandestinum
Big BluestemAndropogon gerardii
IndiangrassSorgastrum nutans
1: A SIMILAR MIXTURE CAN BE USED WITH APPROVAL BY ENGINEER.
RIPARIAN BUFFER SEEDING PLAN 1
PER CENT COMPOSITION
10
15
15
5
5
5
5
10
10
5
5
10
HERBACEOUS, PERMANENT SEED MIXTURE LABELED "RIPARIAN SEED MIX"
PER ACRE SHALL BE USED FOR SEEDING. THE FOLLOWING TABLE LISTS
A RIPARIAN SEED MIX AT THE RATE OF ¼ LB PER 1,000 SQ FT OR 10 LBS
SCIENTIFIC NAME COMMON NAME
Beauty Berry
Red Chokeberry
BUFFER ZONE 1 PLANTING PLAN
PER CENT COMPOSITION
25
25
15
10
10
FEET ON CENTER OR 250 PER 1,000 SF.
BANKFULL OUTWARD AND THE TOP OF BANK. PLANT SPACING WILL BE 3-4
BUFFER ZONE 1 PLANTINGS TO BE INSTALLED IN AREAS BETWEEN THE
Viburnum dentatum Southern Arrowwood
Cornus amomum Silky Dogwood
Llex glabra
Cephalanthus occidentalis Button Bush
Photinia pyrifolia
Alnus serrulata Tag Alder 15
RIPARIAN BUFFER PLANTING PLAN
SHEET NO.PROJECT REFERENCE NO.3/23/2022K:\RAL_Roadway\011775062 - Cary Parkway Bridge\Erosion Control\PSH\BL-0024_ero_dtl.dgnDOCUMENT NOT CONSIDERED FINAL
UNLESS ALL SIGNATURES COMPLETED
BL-0024
421 FAYETTEVILLE STREET, SUITE 600
C 2021
RALEIGH, NC 27601
ROADWAY DESIGN
ENGINEER
EC-4
Shoulders, Side Ditches, Slopes (3:1)
Date Type Planting Rate
Jun. 15-Aug. 15
(Nov. 1-Mar. 1)
combinations are possible.
those which do well under local conditions: other seeding rate
vegetation of denuded areas. The above vegetation rates are
for additional information concerning other alternatives for
Consult Conservation Engineer or Soil Conservation Service
or Add Weeping Lovegrass
or Add Hulled Common Bermudagrass
Tall Fescue ***
& Browntop Millet ***
or Sorghum-Sudan Hybrids ***
(unhulled-unscarified)
& Tall Fescue
Add Abruzzi Rye
Sericea Lespedeza
may be shaded out.
grow over 12 inches in height before mowing, otherwise, fescue
desired permanent vegetation. Do not allow temporary cover to
*** Temporary - Reseed according to optimum season for
SEEDING SCHEDULE
Date Type
Aug. 15-Nov. 1
Nov. 1-Mar. 1
Mar. 1-Apr. 15
Mar. 1-Jun. 1
(Mar. 1-Jun. 30)
(Mar. 1-Apr. 15)
(Mar. 1-Jun. 30)
Jun. 1-Sep. 1
Sep. 1-Mar. 1
Tall Fescue
Tall Fescue
Tall Fescue
Tall Fescue
Slopes (3;1 to 2:1)
& Abruzzi Rye
Hulled Common Bermudagrass
& Browntop Millet ***
or Sorghum-Sudan Hybrids ***
Sericea Lespedeza (scarified)
and
Add Tall Fescue
25 lbs./acre
25 lbs./acre
12 lbs./acre
35 lbs./acre
30 lbs./acre
50 lbs./acre
5 lbs./acre
8 lbs./acre
35 lbs./acre
30 lbs./acre
70 lbs./acre
Apr. 15-Jun. 15
1)
2)
3)
4)
5)
6)
7)
seeded and planted to a depth of six inches.
After rough grading is completed, till soil in areas to be
disturbed areas to be vegetated.
Apply agricultural lime, fertilizer, and superphosphate to
40 lbs. 50% superphosphate/1000 sq. ft. (1750 lbs/acre)
35 lbs. 10-10-10 fertilizer/1000 sq. ft. (1500 lbs/acre)
90 lbs. limestone/1000 sq. ft. (2 tons/acre)
Seeding permanent grass.
November 15.
February 15 through May 15 or August 15 through
3.0 lbs. KY-31 tall fescue/1000 sq. ft. (130 lbs./acre) during
-OR-
sq. ft. during November 15 through February 15.
3.0 lbs. KY-31 tall fescue and 2.0 lbs. annual ryegrass/1000
of 3 inches.
Mulch around shubbery and trees with pine straw to depth
Temporary cover
-OR-
1.0 lbs. brown top millet/1000 sq. ft. May through August 25.
1.0 lbs. annual ryegrass/1000 sq. ft. August 25 through April.
Date
surface is uniform and free of large dirt clods.
Disk nutrients into soil to a depth of six inches until
1)
2)
3)
4)
5)
6)
7)
SEEDING SPECIFICATIONS
CONSTRUCTION SEQUENCE
MAINTENANCE PLAN
fine gravel or sand may be needed to protect the filter cloth.
Where large stones are used or machine placement is difficult, a 4-inch layer of

If extensive damage is suspected, remove and replace the entire sheet.
of filter material with a minimum overlap of 12 inches around the damaged area.
If damage occurs remove the riprap and repair the sheet by adding another layer
next section as required. Take care not to damage the cloth when placing riprap.
ground and where necessary, bury the lower end of the cloth or overlap with the
the overlap. Bury the upstream end of the cloth a minimum of 12 inches below
Overlap the edges by at least 12 inches, and space anchor pins every 3 ft along
Synthetic filter fabric - Place the cloth filter directly on the prepared foundation.

layers with minimal mixing.
specified depth. Where more than one layer of filter material is used, spread the
foundation is prepared. For gravel, spread filter stone in a uniform layer to the
Sand and gravel filter blanket - Place the filter blanket immediately after the ground
inside dimensions and grade of the riprap meet design specifications.
sufficiently to allow placement of the riprap in a manner such that the finished
will be at the elevation of the surrounding area. Channels should be excavated
material. Cut the subgrade sufficiently deep that the finished grade of the riprap
depressions with riprap. Remove brush, trees, stumps and other objectional
to a density approximating that of the surrounding undisturbed material or overfill
lines and grades shown on the plans. Compact any fill required in the subgrade
Subgrade Preparation - Prepare the subgrade for riprap and filter to the required

CONSTRUCTION SPECIFICATIONS
flow. Control of weed and brush growth may be needed in some locations.
vigorous condition to protect the area from erosion and scour during out-of-bank
immediately. Maintain all vegetation adjacent to the channel in a healthy,
look for indications of piping, scour holes, or bank failures. Make repairs
where concentrated flow enters. Carefully check stability at road crossings and
promptly. Give special attention to the outlet and inlet sections and other points
Inspect channels at regular intervals as well as after major rains, and make repairs

MAINTENANCE

riprap should be apparent.
of the riprap should blend with the surrounding area. No overfall or protrusion of
stone sizes to produce a relatively smooth, uniform surface. The finished grade
stones. Hand placing may be necessary to achieve the proper distribution of
The finished slope should be free of pockets of small stone or clusters of large

the stones.
stone sizes. Take care not to dislodge the underlying base or filter when placing
riprap by dumping through chutes or other methods that cause segregation of
final placement. Place riprap to its full thickness in one operation. Do not place
be obtained by selective loading at the quarry and controlled dumping during
a minimum of voids. The desired disbribution of stones throughout the mass may
of the filter. Place riprap so that if forms a dense, well-graded mass of stone with
Stone Placement - Placement of riprap should follow immediately after placement
RIP RAP (6.15)
LAND GRADING (6.02)
TOPSOILING (6.04)
GRASS-LINED CHANNELS (6.30)
VEGETATIVE PLAN (NCDENR 6.11)
retain sediment.
Sediment barriers - Use sediment fences or other barriers where necessary to

All stockpile areas used shall be stabilized with silt fence and seeded.
topsoil is stockpiled in small piles located near areas where they will be used.
traffic routes. On large sites, respreading is easier and more economical when
Select stockpile location to avoid slopes and natural drainageways, avoiding

STOCKPILING

basins, diversions, and other controls into place before stripping.
generally varies along a gradient from hilltop to toe of the slope. Put sediment
soil cores at several locations within each area to be stripped. Topsoil depth
but depth varies depending on the site. Determine depth of stripping by taking
roadbuilding, or compaction by equipment. A 4 to 6-inch stripping depth is common,
Strip topsoil only from those areas that will be disturbed by excavation, filling,

STRIPPING

identified by their extremely light weight when dry.
Organic soils such as mucks and peats do not make good topsoil. They can be

if it meets the other criteria listed above.
desirable; however, material excavated from deeper layers may be worth storing
Generally, the upper part of the soil, which is richest in organic matter, is most

thickness affect the ease of excavation and spreading of topsoil.
Soil factors such as rock fragments, slope, depth to water table, and layer
The depth of material meeting the above qualifications should be at least 2 inches.

Sodium - sodium adsorption ratio should be less than 12.

Soluble salts - should be less than 500 ppm.

it is less than 6.0.
Acidity - pH should be greater than 3.6 before liming, and liming is required if

greater than 1.5% by weight.
Organic matter content - (sometimes referred to as "humic matter") should be

soils such as peat or muck as topsoil.
loam, clay loam, and loamy sand are fair. Do not use heavy clay and organic
Texture - loam, sandy loam, and silt loam are best; sandy clay loam, silty clay

handling. Quality topsoil has the following characteristics:
Determine whether the quality and quantity of available topsoil justifies selective

MATERIALS

CONSTRUCTION SPECIFICATIONS
to avoid excessive mixing of topsoil into the subsoil.
After topsoil application, follow procedure for seedbed preparation, taking care

between topsoil and subsoil.
after spreading topsoil. A disk may be used to promote bonding at the interface
On slopes and areas that will not be mowed, the surface may be left rough

high-maintenance turf is to be established.
germination. Light packing with a roller is recommended where
but avoid excessive compaction, as it increases runoff and inhibits seed
Compact the topsoil enough to ensure good contact with the underlying soil,

water pockets.
topsoiling or other operations to prevent the formation of depressions or
wet or frozen. Correct any irregularities in the surface that result from
Do not spread topsoil while it is frozen or muddy or when subgrade is

SPREADING TOPSOIL

the soil to a depth of at least 6 inches before spreading topsoil.
the topsoil and subsoil. If no amendments have been incorporated, loosen
by disking or scarifying to a depth of at least 4 inches, to ensure bonding of
Roughening - Immediately prior to spreading the topsoil. loosen the subgrade

Incorporate lime to a depth of at least 2 inches by disking.
recommended by soil tests or specified for the seeding mixture to be used.
soil is composed of heavy clays, incorporate agricultural limestone in amounts
Liming of subsoil - Where the pH of the existing subsoil is 6.0 or less, or the

approved plan and do not alter them by adding topsoil.
Grading - Maintain grades on the areas to be topsoiled according to the

such as diversions, berms, dikes, waterways, and sediment basins.
Before spreading topsoil, establish erosion and sedimentation control practices

SITE PREPARATION

growth.
must be stabilized with permanent vegetation to control erosion and weed
Permanent vegetation - If stockpiles will not be used within 12 months they

formation of the stockpile.
as possible, no more than 30 working days or 120 calendar days after the
Temporary seeding - Protect topsoil stockpiles by temporarily seeding as soon
250 lbs./acre
250 lbs./acre
250 lbs./acre
250 lbs./acre
250 lbs./acre
250 lbs./acre
250 lbs./acre
at a rate of 450 gallons emulsion per acre of straw.
of all drainage swales, tack mulch with asphalt emulsion
surface equals or exceeds a 3:1 slope, and in the inverts
sunlight to seedlings. On areas where the ground
of ground surface should be visible to avoid blocking
sq. ft. (2 tons/acre). Spread uniformly. Approximately•
Mulch seeded area with small grain straw at 90 lbs/1000
6. The City of Greenville contact is Lynn Raynor, [phone]
within 7 to 14 days or sooner following completion of construction or development.
requirements. Permanent ground cover is to be provided for all disturbed areas
latest NPDES Rules dated August 2011 for more information on ground stabilization
within 7 to 14 days or sooner of completion of any phase of grading. Refer to the
5. The Contractor shall provide ground cover on exposed slopes or other areas
vegetative cover.
according to specifications in the vegetative plan to maintain a vigorous, dense
4. The Contractor shall fertilize, reseed as necessary, and mulch all seeded areas
barrier.
feet deep at the fence. Silt fence will be repaired as necessary to maintain a
3. The Contractor shall remove sediment from behind silt fence when it becomes 0.5
the sediment pools no longer drains properly.
capacity has been approximately 50% filled. Gravel will be cleaned or replaced when
2. The Contractor shall remove sediment from erosion control devices when storage
and logged after every one inch of rainfall and once a week.
The rain gauge must be kept onsite and inspections by the Contractor must be made
System (NPDES) general stormwater permit, a rain gauge must be installed on site.
maintain all practices as designed. Also per National Pollutant Discharge Elimination
once every week. Any needed repairs will be made immediately by the Contractor to
and operation following every runoff producing rainfall but in no case less than
1. The Contractor shall check all erosion and sediment control practices for stability
is an essential part of an effective erosion and sedimentation control plan.
maintenance of small eroded areas before they become significant gullies
washouts or breaks occur, repair them immediately. Prompt
remove all sediment from diversion and other water-disposal practices. If
sedimentation control practices, especially after heavy rainfalls. Promptly
Periodically check all graded areas and the supporting erosion and

MAINTENANCE

stabilization of these areas in the plan.
make sure they are adequately protected from erosion. Include final
12. Show topsoil stockpiles, borrow areas, and spoil areas on the plans, and

15 working days or longer.
measures on all graded areas when work is to be interrupted or delayed for
completed on each area in the grading plan. Apply temporary stabilization
11. Permanently stabilize all graded areas immediately after final grading is

with approved methods.
10. Handle seeps or springs encountered during construction in accordance

during all phases of development.
9. Keep diversions and other water conveyance measures free of sediment

slippage.
8. Do not place fill on a frozen foundation, due to possible subsidence and

materials into fill slopes.
7. Do not incorporate frozen material or soft or highly compressible

related problems.
the layers as required to reduce erosion, slippage, settlement, or other
6. Place all fill in layers not to exceed 9 inches in thickness, and compact

building debris, and other materials inappropriate for constructing stable fills.
5. Ensure that fill material is free of brush, rubbish, rocks, logs, stumps,

other objectionable material that would affect the planned stability of the fill.
4. Clear and grub areas to be filled to remove trees, vegetation, roots, or

placing topsoil.
3. Scarify areas to be topsoiled to a minimum depth of 2 inches before

it for use in finishing the grading of all critical areas.
2. Remove good topsoil from areas to be graded and filled, and preserve

construction schedule.
measures in accordance with the approved sedimentation control plan and
1. Construct and maintain all erosion and sedimentation control practices and

CONSTRUCTION SPECIFICATIONS
GRASS-LINED CHANNELS (6.30)

the channel freely.
3. Remove and properly dispose of all excess soil so that surface water may enter

preparations and sod buildup.
during seedbed
plans plus a 0.2-ft overcut around the channel perimeter to allow for bulking
2. Excavate the channel and shape it to neat lines and dimensions shown on the

foundation area and dispose of properly.
1. Remove all trees, brush, stumps, and other objectionable material from the

CONSTRUCTION SPECIFICATIONS
channel.
since it is the primary erosion protection for the
grass in a healthy, vigorous condition at all times,
maintain the designed carrying capacity. Keep the
Remove all significant sediment accumulations to
stability and evidence of piping or scour holes.
channel outlet and all road crossings for bank
repairs. It is particularly important to check the
after every heavy rainfall event. Immediately make
established, periodically check the channel; check it
channels after every rainfall. After grass is
During the establishment period, check grass-lined

MAINTENANCE

anticipated velocities during the establishment period.
mulch or a temporary liner sufficient to withstand
and selection of species. Protect the channel with
channelwill depend upon the severity of the conditions
4. The procedure used to establish grass in the

CONSTRUCTION SPECIFICATIONS
new NCGO1 permit regardless of when they are approved.
Notice of Intent (e-NOI) form. All construction activities are required to follow the
approved on or after April 1, 2019 are required to fill out and submit an electronic
this plan set. Please note that any construction activities that have an ES&C Plan
3. The Inspection, Recordkeeping, and Reporting Plan sheet is on sheet EC-10 of
until the e-NOT has been filled out.
Notice of Termination (e-NOT). A $100 annual general permit fee will be charged
inspection report, the permittee shall visit deq.nc.gov/ NCG01 to submit an electronic
the E&SC Plan. After DEMLR informs the permittee of the project close out, via
2. When the project is complete, the permittees shall contact DEMLR to close out
be kept on site, preferably in a permits box, and accessible during inspection.
approved. A copy of the E&SC permit, the COC, and a hard copy of the plan must
Please note, the e-NOI form may be only be filled out once the plans have been
filling out the electronic Notice of Intent (e-NOI) form at deq.nc.gov/ NCG01.
be obtained before any land disturbing activities occur. The COC can be obtained by
1. Erosion and Sediment Control (E&SC) permit and a certificate of coverage must
to the construction sequence:
The NCG01 permit became effective on April 1, 2019 and added the following notes
cannot access the form, please contact NCDEQ Land Quality Section at [phone].
and PDF from at http://portal.ncdenr.org/web/lr/erosion. If you have questions or
15A NCAC 4B.0131. The Self-Inspection Report form is available as a Word Document
permanent ground cover is established in accordance with NCGS 113A-54.1 and
inspections must be conducted after each phase of the project, and continue until
and sedimentation control measures according to the approved plan. The
The focus of the self-inspection report is the installation/maintenance of erosion
for Construction Activities.
from the weekly self-monitoring program of the NPDES Stormwater Permit
inspections took effect October 1, 2010. The self-inspection program is separate
control plan is being followed. Rules detailing the documentation of these
phase of the project to make sure that the approved erosion and sedimentation
persons responsible for land-disturbing activities inspect a project after each
The Sedimentation Pollution Control Act was amended in 2006 to require that
Notification of Land Resources Sediment and Erosion Control Self-Inspection Program:
maintain management control.
construction activities are needed, amend the sequence schedule in advance to
of and until permanent vegetation on the project is established. When changes in
during the demolition or clearing and grubbing phases as well as throughout the life
and sediment control measures must be installed, maintained and adjusted as needed
Follow the construction sequence throughout project development. Adequate erosion
MAINTENANCE
until the e-NOT has been filled out.
Notice of Termination (e-NOT). A $100 annual general permit fee will be charged
inspection report, the permittee shall visit deq.nc.gov/NCGOI to submit an electronic
E&SC Plan. After DEMLR informs the permittee of the project close out, via
13. When the project is complete, the permittee shall contact DEMLR to close out the
removed.
Contractor must receive permission by project inspector before any measures are
maintenance and vegetative plan.
removed, restored as existing, and permanently vegetated as described in the
and material area stockpile areas, and all other erosion control devices shall be
12. AFTER SITE IS STABILIZED, construction entrances, and construction staging
11. Site includes approximately 1.60 acres of permanent vegetation area.
10. Estimated time before final stabilization is 12 months.
after rainfall events. Needed repairs will be made immediately.
9. All erosion and sediment control practices will be inspected weekly and
devices maintained.
shall have temporary vegetative ground cover established and erosion control
ceases for more than the above mentioned length of time, all disturbed areas
areas and slopes shall be stabilized within 14 days. If work on the project
3:1, and high quality (HQW) zones should be stabilized within 7 days. All other
requirements. In summary, perimeter dikes, swales, ditches, slopes steeper than
Rules dated August 2011 for more information on ground stabilization
or sooner of completion of any phase of grading. Refer to the latest NPDES
specifications to maintain a vigorous, dense, vegetative cover within 7 to 14 days
8. All graded areas will be seeded, fertilized and mulched according to NCDOT
and mulch.
7. Finish grading of slopes, topsoil critical areas and permanently vegetate, seed
6. Complete final grading for trail.
indicated. Modify silt fence placement around trail and outlets as necessary.
construction. Place additional erosion control matting and stabilize 2:1 slopes as
pedestrian bride and retaining wall, and place reinforced silt fence as needed during
5. In accordance with the erosion control plans, grade trail, install crosspipes, construct
erosion control devices.
protection fence, construction entrance, temporary stream crossings, and all other
4. Prior to any land disturbing (including demolition) activities, install silt/tree
3. Flag the work limits for protection.
beginning or entrance of project.
inspection. It is recommended that these items be placed in a permits box at the
Coverage, and S&E plan are required to be maintained on site and accessible during
2. Per NPDES requirement, a rain gauge, self-inspections, records, permit, Certificate of
and invite NCDEQ Regional LQS contact number is [phone].
1. Hold preconstruction conference at least one week prior to starting construction
CONSTRUCTION SPECIFICATIONS
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UNLESS ALL SIGNATURES COMPLETED
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ROADWAY DESIGN
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after the contributing drainage area has been properly stabilized.
unstable sediment deposits and bring the area to grade and stabilize it
undermining the fence during cleanout.Remove all fencing materials and
rain and to reduce pressure on the fence. Take care to avoid
deposits as necessary to provide adequate storage volume for the next
it promptly. Replace hardware cloth every 60 days. Remove sediment
a sediment fence collapse, tear, decompose or become ineffective, replace
each rainfall. Make any required repairs immediately. Should the fabric of
Inspect sediment fences and fence outlets at least once a week and after
MAINTENANCE:
FENCE DETAIL SHOWN TO THE LEFT.
FOLLOW MAINTENANCE REQUIREMENTS FROM STANDARD TEMPORARY SILT
MAINTENANCE:
removal.
the next rain. Take care not to damage or undercut the fabric during sediment
sediment from the pool area as necessary to provide adequate storage volume for
Inspect the fabric barrier after each rain and make repairs as needed. Remove
MAINTENANCE:
effluent during construction.
sediment. Provide a sufficient quantity of bags to contain silt form pumped
Inspect inlet pipe and bag for damage and blockage. Replace bag when ƒ full of
MAINTENANCE:
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UNLESS ALL SIGNATURES COMPLETED
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roadways.
Immediately remove all objectionable materials spilled, washed, or tracked onto public
rainfall, inspect any structure used to trap sediment and clean it out as necessary.
construction site. This may require periodic topdressing with 2-inch stone. After each
Maintain the stone pad in a condition to prevent mud or sediment from leaving the
MAINTENANCE:
SECTION.
STONES TO DAMS AS NEEDED TO MAINTAIN DESIGN HEIGHT AND CROSS
AND PREVENT LARGE FLOWS FROM CARRYING SEDIMENT OVER THE DAM. ADD
VEGETATION, ALLOW THE CHANNEL TO DRAIN THROUGH THE STONE SILT CHECK,
DAROCK SILT CHECKS AS NEEDED TO PREVENT DAMAGE TO CHANNEL
PORTION OF THE CHANNEL. REMOVE SEDIMENT ACCUMULATED BEHIND THE
BETWEEN SILT CHECKS, INSTALL A PROTECTIVE RIPRAP LINER IN THAT
DAM. CORRECT ALL DAMAGE IMMEDIATELY. IF SIGNIFICANT EROSION OCCURS
SILT CHECK AND EROSION FROM HIGH FLOWS AROUND THE EDGES OF THE
RUNOFF EVENT. ANTICIPATE SUBMERGENCE AND DEPOSITION ABOVE THE ROCK
INSPECT ROCK SILT CHECKS AND CHANNELS FOR DAMAGE AFTER EACH
MAINTENANCE:
the next rain. Take care not tp damage the inlet protection device during sediment removal.
Remove sediment from the pool area as necessary to procide adequate storage volume for
MAINTENANCE:
OVER THE WATTLE.
THROUGH THE WATTLE, AND PREVENT LARGE FLOWS FROM CARRYING SEDIMENT
PREVENT DAMAGE TO CHANNEL VEGETATION, ALLOW THE CHANNEL TO DRAIN
REMOVE SEDIMENT ACCUMULATED BEHIND THE WATTLES AS NEEDED TO
PROTECTIVE RIPRAP LINER IN THAT PORTION OF THE CHANNEL.
IMMEDIATELY. IF SIGNIFICANT EROSION OCCURS BETWEEN WATTLES, INSTALL A
FROM HIGH FLOWS AROUND THE EDGES OF THE DAM. CORRECT ALL DAMAGE
ANTICIPATE SUBMERGENCE AND DEPOSITION ABOVE THE WATTLE AND EROSION
INSPECT WATTLES AND CHANNELS FORAMAGE AFTER EACH RUNOFF EVENT.
MAINTENANCE:
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UNLESS ALL SIGNATURES COMPLETED
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421 FAYETTEVILLE STREET, SUITE 600
C 2021
RALEIGH, NC 27601
ROADWAY DESIGN
ENGINEER
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UNLESS ALL SIGNATURES COMPLETED
BL-0024
421 FAYETTEVILLE STREET, SUITE 600
C 2021
RALEIGH, NC 27601
ROADWAY DESIGN
ENGINEER
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