HomeMy WebLinkAboutSW6190701_Calcs_(Pipe_System)_20190801NAME
7Th. Subdivision
DATE
)6-27-19
PROJECT NO
1360
DESIGN PHASE
PRELIMCT
CONSTR / Xarms
REVISIONION
County, North Carolina
BY
CEK
RECORDerland
OTHER
CHECKED BY
CS13
(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
PIPE 1 IN
PIPE 1 OUT
PIPE 1 IN
PIPE 2 IN
PIPE 2 OUT
PIPE 2 IN
TSB1 PIPE
TSB1 OUT
TSB1 PIPE
Storm Drainage for Spread.xls 10-YEAR Date 811/2019 Time: 4:29 PM Page 1 of 4
• " " '
DATE
DESIGN PHASE
PROJECT NAME
The Farms Subdivision
06-27-19
PRELIM
CONSTR / X /
REVISION
PROJECT NO
1360
LOCATION
Cumberland County, North Carolina
BY
CEK
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.
(IN)
CAPACITY
(FULL)
(CFS)
V FULL
(FPS)
LENGTH
(FT)
SEGMENT
TIME
(MIN)
UPPER
INV.
(FT)
LOWER
INV.
(FT)
UPSTREAM
TOP
ELEV.
(FT)
FROM TO
PIPE 1 IN
PIPE 1 OUT
1920.
0.00
0.0102
24
22.9
7.3
44
0.10
130.00
129.55
132.47
PIPE 2 IN
PIPE 2 OUT
8.90
0.00
0.0102
18
10.6
6.0
44
0.12
132.20
131.75
134.75
TSB1 PIPE
TSB1 OUT
15.00
0.00
0.0050
24
16.0
5.1
90
0.29
126.00
125.55
130.00
Storm Drainage for Spread As 10-YEAR Date 811/2019 Time: 4:29 PM Page 2 of 4
" 0 " ' " '
DATE
DESIGN PHASE
CT NAME
7Th. arms Subdivision
06-27-19
PRELIM
CONSTR / X /
REVISIONION
PROJECT NO
1360
County, North Carolina
BY
CEK
RECORDerland
OTHER
CHECKED BY
CSB
(SPECIFY)
n=
g=
h=
0.013
226
26
HYDRAULIC GRADE LINE
PIPE HYDRAULIC SIDESTREAM
REA RADIUS SUMMATION
II(FT)(FT) (CFS)
Hf
He
90 DEG=0.7
60 DEG=0.55
HEAD LOSS
I He
BEND LOSS
Hb
K'S
30 DEG=0.28
15 DEG=0.10
I Ht
BEND
LOSS
K
CONTINUED
FRICTION FRICTION
SLOPE VELOCITY
(FT/FT) (FPS)
FROM TO
PIPE 1 IN
PIPE 1 OUT
3.1416
0.5000
0.00
0.31
0.14
0.20
0.09
0.74
0.15
0.0071
6.08
PIPE 2 IN
PIPE 2 OUT
1.7671
0.3750
0.00
0.31
0.10
0.14
0.06
0.61
0.15
0.0071
5.02
TSB1 PIPE
TSB1 OUT
3.1416
0.5000
0.00
0.39
0.09
0.12
0.05
0.66
0.15
0.0044
4.75
Storm Drainage for Spread.xls 10-YEAR Date 811/2019 Time: 4:29 PM Page 3 of 4
"1"' "
DATE
06-27-19
DESIGN PHASE
NAME
7Th. Subdivision
PRELIMCT
CONSTR / Xarms
REVISIONION
PROJECT NO
1360
County, North Carolina
BY
CEK
RECORDerland
OTHER
CHECKED BY
CSB
(SPECIFY)
n= 0.013
g= 226
h= 26
HYDRAULIC
GRADE LINE - CONTINUED
DESIGN CRITERIA:
1. DESIGN FORTHE 10YR 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 (PerCR-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)
PIPE 1 IN
PIPE 1 OUT
131.15
131.89
132.61
132.61
INLET
(0.14)
OVERFLOW
EXISTING GROUND
129.82
PIPE 2 IN
PIPE 2 OUT
132.95
133.56
134.04
134.04
INLET
0.71
OK
EXISTING GROUND
132.07
TSB1 PIPE
TSB1 OUT
127.15
127.81
127.98
127.98
INLET
2.02
OK
EXISTING GROUND
126.00
Storm Drainage for Spread.xls 10-YEAR Date 8/1/2019 Time: 4:29 PM Page 4 of 4