SW6191003_Calcs (Spread)_20191105

NAME
7H.b,..'on Road Concrete Plant
DATE
)-19-19
PROJECT NO
1440
DESIGN PHASE
PRELIMCT
CONSTR
REVISIONION
/ X
North Carolina
BY
CEK
RECORDCounty,
OTHER
CHECKED BY
CSB
(SPECIFY)
n= 0.013
9= 226
h= 26
STORM DRAINAGE SCHEDULE
CONTINUED
AREAS
(INLETS)
INLET
AREA
(AC)
INLET
Cc
RUNOFF
COEFF.
INLET
DISCHARGE
(CFS)
Q (+)
UPSTREAM
BYPASS
(CFS)
Q(-)
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)
Cc
RUNOFF
COEFF.
FROM TO
RI-1
JB-2
RI-1
J13-2
FES-3
JB-2
1440-Storm Drainage for Spread.xls 10-YEAR Date: 11/5/2019 Time: 8:10 AM Pagel of 4

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NAME
7Hobson Road Concrete Plant
DATE
-19-19
PROJECT NO
1440
DESIGN PHASE
PRELIMCT
CONSTR
REVISIONION
/ X
, North Carolina
BY
CEK
RECORDCoun
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.
(IN)
CAPACITY
(FULL)
(CFS)
V FULL
(FPS)
LENGTH
(FT)
SEGMENT
TIME
(MIN)
UPPER
INV.
(FT)
LOWER
INV.
(FT)
UPSTREAM
TOP
ELEV.
(FT)
FROM TO
RI-1
JB-2
4.70
0.00
0.0051
18
7.5
4.3
43
0.17
235.50
235.28
239.30
JB-2
FES-3
4.70
0.00
0.0050
18
7.4
4.2
198
0.79
235.28
234.30
239.23
1440-Storm Drainage for Spread.xls 10-YEAR Date: 11/5/2019 Time: 8:10 AM Page 2 of 4

• " ` `
PROJECT NAME
Hobson Road Concrete Plant
`
DATE
9-19-19
PROJECT NO
1440
DESIGN PHASE
PRELIM
CONSTR / X /
REVISION
LOCATION
Hoke County, North Carolina
BY
CEK
RECORD
OTHER
CHECKED BY
CSB
(SPECIFY)
n= 0.013
g= 226
h= 26
HYDRAULIC GRADE LINE
PIPE HYDRAULIC SIDESTREAM
AREA RADIUS SUMMATION
(FT) (FT) (CFS)
Hf
90 DEG=0.7
60 DEG=0.55
HEAD LOSS
He He
BEND LOSS
Hb
K'S
30 DEG=0.28
15 DEG=0.10
Ht
BEND
LOSS
K
CONTINUED
FRICTION FRICTION
SLOPE VELOCITY
(FT/FT) (FPS)
FROM TO
RI-1
JB-2
1.7671
0.3750
0.00
0.09
0.03
0.04
0.06
0.21
0.55
0.0020
2.65
JB-2
FES-3
1.7671
0.3750
0.00
0.39
0.03
0.04
0.01
0.47
0.10
0.0020
2.65
1440-Storm Drainage for Spread.xls 10-YEAR Date: 11/5/2019 Time: 8:10 AM Page 3 of 4

" a"DATE
9-19-19
DESIGN PHASE
PRELIMCT
CONSTR / X
REVISIONION
NAME
7H.b.,on Road Concrete Plant
PROJECT NO
1440
North Carolina
BY
CEK
RECORDCounty,
OTHER
CHECKED BY
CSB
(SPECIFY)
n= 0.013
g= 226
h= 26
HYDRAULIC GRADE LINE - CONTINUED
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)
OUTLET
W.S. ELEV
(FT)
INLET W.S. ELEV.
FLOW
CONDITION
CONTROL
FREE-
BOARD
(FT)
COMMENTS
FROM TO
OUTLET INLET USE
CONTOL CONTROL
(FT) (FT) (FT)
RI-1
JB-2
236.48
236.69
236.56
236.69
OUTLET
2.61
OK
JB-2
FES-3
235.50
235.97
236.34
236.34
INLET
2.89
OK
GROUND ELEVATION
234.30
1440-Storm Drainage for Spread.xls 10-YEAR Date: 11/5/2019 Time: 8:10 AM Page 4 of 4