SW6211002_Design Calculations (Storm Drain)_20220810

AME
LOOP
7Raeford,
DATE
11-02-21
PROJECT NO
1649
DESIGN PHA
PRELIM
CONSTR
REVISION
orth Carolina
BY
CJP
RECORD
OTHER
CHECKED BY
CSB
(SPECIFY)
n= 0.013
9= 226
h= 26
STORM DRAINAGE SCHEDULE CONTINUE
AREAS
(INLETS)
INLET
AREA
(AC)
INLET
Cc
RUNOFF
COEFF.
INLET
DISCHARGE
(CFS)
Q (+)
UPSTREAM
BYPASS
(CFS)
DO
INLET
BYPASS
(CFS)
CAPTURED
INLET
DISCHARGE
(CFS)
TOTAL
AREAS
(AC)
INLET
TIME
(MIN)
PIPE
TIME
(MIN)
Tc
TIME
OF CONC.
(MIN)
I
INTENSITY
(IN/HR)
FROM TO
0.94
0.14
0.08
0.00
Cl2
CI
Cl2
0.26
0.90
0.00
0.87
0.26
5.00
0.00
5.00
7.29
CI
P016
CI
0.00
0.90
0.14
0.14
0.26
5.00
0.04
5.04
7.28
0.78
0.06 0.72
CI3
CI
CI3
0.22
0.90
0.00
0.22
5.00
0.00
5.00
7.29
0.66
0.18
0.07
0.00
CI
CI10
CI
0.19
0.85
0.00
0.59
0.19
5.00
0.00
5.00
7.29
CI10
P012
CI10
0.07
0.65
0.00
0.18
0.26
5.00
0.07
5.07
7.27
0.59
0.10
0.03
0.00
CI7
CI8
CI7
0.20
0.65
0.07
0.56
0.20
5.00
0.00
5.00
7.29
CI
P013
CI8
0.04
0.65
0.00
0.10
0.24
5.00
0.07
5.07
7.27
0.50 0.85 0.00 0.00 0.85
0.85 0.26 0.03 0.00 0.26
0.75 0.22 0.00 0.00 0.22
0.75 0.65 0.00 0.00 0.65
0.40 0.53 0.00 0.00 0.53
DI 11
CI5
DI11
0.43
0.43
5.00
0.00
5.00
7.29
CI5
CI6
CI5
0.07
0.49
5.00
0.05
5.05
7.28
CI6
P014
CI6
0.07
0.57
5.00
0.12
5.12
7.26
Cl 14
PO 5
CI 14
0.22
0.22
5.00
0.00
5.00
7.29
D117
CI
D117
0.33
0.33
5.00
0.00
5.00
7.29
0.65
0.00
8.86
DRIVE UP
DRIVE DIN
DRIVE UP
0.22
475
0.00
0.65
0.22
5.00
0.00
5.00
0.40 1.94 0.00 0.00 1.94
5.00 8.86
B&B 6+70
X-PIPE
B&B 6+70
1.21
1.21
5.00
0.00
1649 Storm.xim 10-YEAR Date: 8/10/2022 Time: 10:39 AM Page 1 of 4

• " '
PROJECT NAME
1649 B&B LOOP
DATE
11-02-21
DESIGN PHASE
PRELIM / /
CONSTR / X /
REVISION
PROJECT NO
1649
LOCATION
Raeford, North Carolina
BY
CJP
RECORD
OTHER
CHECKED BY
CSB
(SPECIFY)
n= 0.013
9= 226
h= 26
STORM DRAINAGE SCHEDULE -CONTINUED
Q
DISCHARGE
(CFS)
Q
SIDE-
STREAM
(CFS)
SLOPE
DIA.
(I N)
CAPACITY
(FULL)
(CFS)
V FULL
(FPS)
LENGTH
(FT)
SEGMENT
TIME
(MIN)
UPPER
INV.
(FT)
LOWER
INV.
(FT)
UPSTREAM
TOP
ELEV.
(FT)
FROM TO
12
33
168.35
168.23
Cl2
CI
1.72
0.00
1.42
0.0100
15
6.5
5.3
0.04
164.85
164.73
CI
P016
3.14
0.0154
15
8.0
6.5
0.08
164.73
164.23
12
168.33
Cl3
CI
0.00
0.0100
15
6.5
5.3
0.04
164.85
164.73
26
23
174.57
174.57
CI
CI 10
2.16
0.96
0.0100
18
10.5
5.9
0.07
171.00
170.74
CI 10
P012
2.48
0.00
0.0099
18
10.5
5.9
0.07
170.74
170.51
26
23
174.13
174.13
Cl7
CI8
0.95
0.00
0.0100
18
10.5
5.9
0.07
170.63
170.37
CI8
P013
1.14
0.00
0.0074
18
9.0
5.1
0.08
170.37
170.20
5.9 16 0.05
169.50 172.68
169.23 173.53
169.00 173.59
169.80 172.85
171.00 173.74
DI 11
CI5
1.55
0.00
0.0125
15
7.2
169.70
169.50
169.23
CI5
CI6
1.97
0.00
0.0102
18
10.6
6.0 26 0.07
CI6
P014
2.37
0.00
0.0102
18
10.6
6.0 23 0.06
170.10
Cl 14
PO 5
1.18
0.00
0.0155
15
8.0
6.5 19 0.05
171.20
DI 17
CI
0.96
0.00
0.0125
15
7.2
5.9 16 0.05
75
176.80
DRIVE UP
DRIVE DN
1.44
0.00
0.0109
18
11.0
6.2
0.20
174.23
173.41
5.8 36 0.10
172.26 174.81
B&B6+70
X-PIPE
4.29
0.00
0.0097
18
10.3
172.61
1649 Storm.xim 10-YEAR Date: 8/10/2022 Time: 10:39 AM Page 2 of 4

n= 0.013
g= 226
h= 26
Cl COVER
BOX COVER BELOW BEND
DEPTH SUBGRADE LOSS
(8") K
FROM TO
C12
C11
3.50
1.13
0.70
CI1
PO16
3.50
1.13
0.00
Cl 3
CI 1
3.48
1.11
0.70
CI9
CI10
3.57
0.94
0.00
CI 10
PO12
3.83
1.20
0.00
CI7
CI8
3.50
0.88
0.00
CI8
PO13
3.76
1.13
0.00
DI 11
CI5
2.98
1.73
0.00
CI5
CI6
4.03
1.41
0.28
CI6
PO14
4.36
1.74
0.00
Cl 14
PO 5
2.75
1.50
0.90
DI 17
CI9
2.54
1.29
0.00
DRIVE UP
DRIVE DIN
2.57
(0.05)
0.00
B&B6+70
X-PIPE
2.20
(0.43)
0.00
1649 Storm.xim 10-YEAR Date: 8/10/2022 Time: 10:39 AM Page 3 of 4

•"`` '�
DATE
11-02-21
PROJECT NAME
PROJECT NO
1649 B&B LOOP
1649
LOCATION
BY
Raeford, North Carolina
CJP
CHECKED BY
CSB
0.013
226
26
OUTLET � OUTLETFROM TO W.S..�VC�FTOL CONTROL CONDITION BOARD TO CROWN COMMENTS CAPACITY VSI FT(FT) CONTROL DISCHARGE
165.78
165.64
DESIGN PHASE
PRELIM
CONSTR / X /
REVISION
RECORD
OTHER
(SPECIFY)
DESIGN CRITERIA:
1. DESIGN FOR THE 10 YR STORM
2. ASSUME TIME OF CONCENTRATION TO
AN INDIVIDUAL INLET = 5 MIN. (Unless otherwise noted)
3. INTENSITY = g/(h+T), FOR 10 YR STORM
(g and h were derived from Raleigh -Durham Intensity -
Duration -Frequency Charts, REF: NC Erosion and
Sediment Control Planning and Design Manual)
4. MANNINGS "n" FACTOR= 0.013
5. RUNOFF COEFICIENT Cc=0.50 (Per CR-7107)
1649 Storm.xim 10-YEAR Date: 8/10/2022 Time: 10:39 AM Page 4 of 4