C402 Site Details

Channel
Description
Number
1
FES 2 to STA. 6+50
2
FES 1 to Sta. 6+50
3
West Side Access Road Sta, 7+00 to 14+00
4
East Side Access Road Sta. 8+50to 14+00
5
Access Road (West Side) Sta. 18+50to SK 6
6
SK 8to Stream Buffer
7
Exist. 18" RCP to FES 2
8 5(('
6 Ito Sta. 20+00
9
SK 7 to Sta. 20+00
r__
3 TIMES INNER
DIAMETER (I.D.)
Side Slope
Bottom Width
Discharge
Bottom Stabilization
Side Stabilization
Max. Bed Slope
(H:V)
(ft)
Ids)
Method
Method
2.90%
3:1
2
7.05
Curlex I
Curlex 1
2.96%
3:1
2
12.66
Curlex I
Curlex 1
4.10%
3:1
2
3.5
Curlex I
Curlex 1
3.63%
3:1
2
5.12
Curlex I
Curlex 1
11.25%
3:1
2
4.55
Curlex III
Curlex III
6.93%
2:1
3
13.64
Curlex III
Curlex III
1.00%
2:1
1
20.59
Curlex I
Curlex 1
3.25%
2:1
2
4.55
Curlex I
Curlex 1
3.50%
2:1
2
5.81
Curlex I
Curlex I
CHANNEL STABILIZATION SCHEDULE
NTS
117190=1011
NOTES:
1) Li = LENGTH OF THE RIPRAP APRON.
2) L2 = RIPRAP TO BE INSTALLED UNDERNEATH 1/3 THE LENGTH
OF FLARED END SECTION (FES).
3) d = 1.5 TIMES THE MAXIMUM STONE DIAMETER BUT NOT LESS
THAN 18 INCHES.
4) A FILTER BLANKET OR FILTER FABRIC MUST BE INSTALLED
BETWEEN THE RIPRAP AND SOIL FOUNDATION (NCDOT TYPE 2).
PIPE OUTLET TO FLAT AREA NO WELL-DEFINED CHANNEL
117q.C•17i49I79:'
Lt
SECTION 'A -A'
PIPE OUTLET TO WELL-DEFINED CHANNEL
NTS C 402 NTS
TRENCH
GRADE WIDTH
I
1 ^ UTILITY
LINE
(DIAMETER
VARIES)
—ANTI—SEEP COLLAR
n a
a d
ANTI -SEEP COLLAR, 12^
CLASS B CONCRETE
SECTION A —A
ANTI -SEEP COLLAR
NTS
m
NOTES:
1) Lt = LENGTH OF THE RIPRAP APRON.
2) L2 = RIPRAP TO BE INSTALLED UNDERNEATH 1/3 THE LENGTH
OF FLARED END SECTION (FES).
3) d = 1.5 TIMES THE MAXIMUM STONE DIAMETER BUT NOT
LESS THAN 6 INCHES.
4) IN A WELL—DEFINED CHANNEL EXTEND THE APRON UP THE
CHANNEL BANKS TO AN ELEVATION OF 18 INCHES ABOVE THE
MAXIMUM TAILWATER DEPTH OR TO THE TOP OF THE BANK,
WHICHEVER IS LESS.
5) A FILTER BLANKET OR FILTER FABRIC MUST BE INSTALLED
BETWEEN THE RIPRAP AND SOIL FOUNDATION (NCDOT TYPE 2).
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© 2019 LaBeta Associates
AGGREGATES, LL
t Threatt, VP
N0:
DATE:
DESCRIPTION:
REVISIONS
PROJECT NUMBER:
2190335
DRAWN BY:
KCG/ATC
REVIEWED BY:
PAS
ISSUED FOR:
CONSTRUCTION
DATE:
7/18/19
DRAWING NAME:
DRAWING NUMBER: