SW4210901_Plansheet - Grading/Drainage Plan_20220105 (2)

KERNODLE LANDING SUBDIVSION-STORM SEWER CHART
\ 25-YR STORM \ EVENT, 10 MIN. TIME OF CONCENTRATION \ N
\ \ \ \ Pipe Inlet Runoff Sub- Total Rainfall Subarea Total Outlet Pipe Outlet Pipe Minim Provided Full Flow Pipe Upstream Downstream Head Head Pipe Provided Remaining E
00
No. Pipes Coeff. Area Area Intensity Flow Flow Theo. Dia. Diameter Slope Cap. Slope Cap, Velocity Length Invert Invert Centroid Req'd No. Inlet Inlet M O +, �
Ci Ai A I Qi (cfs) Qt=Qi+Qp (Inches) (Inches) (ft/ft) (cfs) (ft/ft) (cfs) (ft/sec) (feet) (feet) (feet) Depth Depth U M � N
\ \ \ \ \ 6 - 0.40 0.92 0.92 6.07 2.2 2.2 11.5 18 0.50% 7.4 1.01 % 10.5 6.0 52.50 649.48 648.95 0.1 0.8 6 2.32 1.5 w 'L �O U N
7 - 0.40 6.04 6.04 6.07 14.7 14.7 23.2 24 0-50°l0 16.0 1.05°l0 23.1 7.4 55.32 640.08 639.50 0.9 1.9 7 3.14 1.2 N C: U
9 - 0A0 1.89 4.90 6.07 4.6 11.9 21.5 24 &50% 16.0 1.04% 23.0 6.6 106.00 614.95 613.85 0.6 1.6 9 9.74 8.1 Z
10 - 0.40 0.30 0-30 6.07 0-7 0.7 7.5 18 0-50% 1 7.4 1 1.03% 1 10.6 6.0 52.11 645.05 644.52 0.0 0.8 10 2.93 2.2
\ \ \ ' >
11 - 0.40 0.12 0.12 6.07 0.3 0.3 5.3 18 0.50% 7.4 1.03% 10.6 6.6 52.15 646.32 645.78 0.0 0.8 11 2.93 2.2 - L V p '_ I'D
C=0.40 (2 Homes/Acre) PHASE 1 m a�
L
PHASE 2 /
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MONITOR AREA TO ENSURE - .j �v
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\ / NATURAL GRADE DRAINS G CT •� \ �X "
/ TO SKIMMER BASIN #9. ,READ _ f ,<�.X �� / S �
/ TEMP. DIVERSION BERM MAY �jC R/�.% �` �,---�/ PROP. 20' EE NT
i " . x x--� t NEED TO BE EXTENDED / �j0 P1' t \ �660 7+0 / s+oo a+oo " 0 m S.
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NATURAL GRADE DRAINS \ \ \ v // // / /
_ O TO SKIMMER BASIN #9 /
-. A� / / / .... d' ,o / \ v /
�� /oJ TEMP. DIVERSION BERM 10 �"
MAY NEED TO BE EXTENDED \ V A O V \ V / / / / / / / �X" �= X_ \ / \ W
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ESMT. sE \ \ 48 / / / o v I
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ul 4 \ \ cy)o \ / / / / / / / / �- 30' DRAINAGE ESMT.
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z FUTURE PHASE / `" LLI z
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V - I =5.5 I N/HR (2-YR STORM) TEMPORARY LI NER = NORTH AMERI CAN GREEN OR EQUAL
/ C=0.40 TRI =TRIANGULARi en
/I \ TRAP = TRAP E70 I DAL (WITH BOTTO M W I DTH) 00 LEGEND ' / DRAWN BY: JAS
BEFORE YOU DIG!
CALL 811 N.C. ONE -CALL CENTER
IT'S THE LAW!
TEMPORARY SWALE CHART, KERNODLE (LANDING SUBDIVISION PHASE 2
SWALE
UPSTREAM
AREA
(AC.)
AREA
TOTAL
(AC)
COMPOSITEC
CXI
QICES)
TOTAL
Q(CFS)
SLOPE
(%)
LEFT
SLOPE
RIGHT
SLOPE
TYPE
LINTER
N
FLOW
DEPTH
(FT)
ACTUAL
DEPTH (FT)
TOP(FT)
VELOCITY
(FT/SEC)
T(PSF)
BOTTOMWIDTH
(FT)
LININGSWALE
STAPLE
PATTERN
17
-
0.05
0.05
0.4
2.20
0.09
0.09
1.50
3A
4:1
TRI
N/A
0.020
0.14
1.50
10.5
1.31
0.13
N/A
N/A
N/A
18
19
0.56
0.92
0.4
2.20
0.99
1.62
1.50
3A
4:1
TRI
TEMP
0.053
0.57
1.50
10.5
1.43
0.53
N/A
NAG S75 OR EQUAL
D
24
-
0.11
0.11
0.4
2.20
0.24
0.24
4.00
3A
4:1
TRI
N/A
0.037
0.18
1.50
10.5
1.61
0.22
N/A
N/A
N/A
25
0.10
0.10
0.4
2.20
0.22
0.22
5.30
31
4:1
TRI
N/A
0.036
0.17
1.50
10.5
1.77
0.26
N/A
N/A
N/A
26
0.16
0.16
0.4
2.20
0.35
0.35
5.25
3A
4:1
TRI
N/A
0.035
0.20
1.50
10.5
2.01
0.31
N/A
N/A
N/A
27
26
0.16
0.32
0.4
2.20
0.35
0.70
6.00
3A
4:1
TRI
TEMP
0.033
0.25
1.50
10.5
2.62
0.92
N/A
NAG S75 OR EQUAL
D
28
27
1.07
1.39
0.4
2.20
2.35
3.06
4.00
3:1
4:1
TRI
N/A
0.033
0.46
1.50
10.5
3.10
1.15
N/A
NAG S75 OR EQUAL
D
29
0.14
0.14
0.4
2.20
0.30
0.31
4.00
4:1
3:1
TRI
N/A
0.045
0.24
1.50
10.5
1.54
0.60
N/A
32
33
0.14
0.29
0.4
2.20
0.30
0.63
6.10
4:1
3:1
TRI
TEMP
0.034
1 0.24
1.50
10.5
2.56
0.90
N/A
NAG S75 OR EQUAL
D
33
0,15
0.15
0.4
2,20
0.33
0.33
5.25
4:1
3:1
TRI
N/A
0.035
1 0.20
1.50
10.5
2.01
0.31
N/A
N/A
N/A
34
0.04
0.04
0.4
2.20
0,09
0.09
5.30
4:1
3:1
TRI
N/A
0.037
0.12
1.50
10.5
T41
0.20
N/A
N/A
N/A
35
18
0.37
1.29
0.4
2.20
0.81
2.84
3.40
4:1
3:1
TRI
TEMP
0.033
0.46
1.50
10.5
3.03
0.98
N/A
NAG S75 OR EQUAL
D
36
-
0.15
0.15
0.4
2.20
0.33
0.33
1.50
4:1
3:1
TRI
N/A
0.040
0.26
1.50
10.5
1.13
0.11
N/A
N/A
N/A
37
0.09
0.09
0.4
2.20
0.19
0.19
2.00
4:1
3:1
TRI
N/A
0.040
0.20
1.50
10.5
1.10
0.12
N/A
N/A
N/A
38
0.06
0.06
0.4
2.20
0.12
012
1.00
4:1
3:1
TRI
N/A
0.044
0.20
1.50
10.5
0.72
0.06
N/A
N/A
N/A
39
0.07
0.07
0.4
2.20
0.15
0.15
1.50
31
4:1
TRI
N/A
0.041
0.19
1.50
10.5
0.90
0.09
N/A
N/A
N/A
40
0.05
0.05
0.4
2.20
0.11
0.11
1.00
31
4:1
TRI
N/A
0.044
0.19
1.50
10.5
0.69
0.06
N/A
N/A
N/A
41
0.10
0.10
0.4
2.20
0.21
0.21
2.00
31
4:1
TRI
N/A
0.0401
0.21
1.50
10.5
1.14
0.12
N/A
N/A
N/A
42
0.19
0.19
0.4
2.20
1 0.41
0.41
1 1.50
31
4:1
1 TRI
N/A
0.039
0.28
1.50
1 10.5
1.21
1 0.13
N/A
N/A
N/A
43
0.55
0.55
0.4
2.20
1.21
1.21
3.75
4:1
3:1
TRI
N/A
0.034
0.36
1.50
10.5
2.65
0.84
N/A
NAG S75 OR EQUAL
D
44
6.04
6.04
0.4
2.20
13.29
13.29
2.00
3:1
3:1
TRI
N/A
0.032
1.04
1.50
9.0
4.10
1.30
N/A
NAG S75 OR EQUAL
D
45
0.30
0.30
0.4
2.20
0.66
0.66
1.00
3:1
3:1
TRI
N/A
0.040
0.42
1.50
9.0
1.27
0.26
N/A
N/A
N/A
46
0.12
0.12
0.4
2.20
0.26
0.26
1.50
3:1
3:1
TRI
N/A
0.040
0.27
1.50
9.0
1.17
0.25
N/A
N/A
N/A
47
4.90
4.90
0.4
2.20
10.78
10.78
1.50
3:1
3:1
TRI
N/A
0.033
1.03
1.50
9.0
3.12
0.96
N/A
NAG S75 OR EQUAL
D
PERMANENT SWALE CHART, KERNODLE LANDING SUBDIVISION PH2
SWALE
UPSTREAM
SWALE
AREA
(AG)
AREA
TOTAL
AC
COMPOSITE
CXI
QICFS)
TOTAL
Q(CFS)
SLOPE
I%)
LEFT
SLOPE
RIGHT
SLOPE
TYPE
LINER
N
FLOW
DEPTH
FT
ACTUAL
DEPTH (FT)
TOP(FT)
VELOCITY
(ET/SEC)
T(PSF)
BOTTOMWIDTH
ITT)
REMARKS
17
-
0.05
0.05
0.4
2.79
0.14
0.14
1.50
3:1
4:1
TRI
N/A
0.045
0.22
1.50
10.5
0.83
0.19
N/A
18
19
0.56
0.92
0.4
2.79
1.56
2.56
1.50
3:1
4:1
TRI
N/A
0.040
0.61
1.50
10.5
1.97
0.52
N/A
24
-
0.11
0.11
0.4
2.79
0.31
0.31
4.00
3:1
4:1
TRI
N/A
0.045
0.24
1.50
10.5
1.54
0.60
N/A
25
0.10
0.10
1 0.4
2.79
1 0.28
0.28
5.30
1 3:1
4:1
1 TRI
N/A
0.045
0.22
1 1.50
10.5
1 1.65
0.73
N/A
26
0.16
0.16
0.4
2.79
0.44
0.44
5.25
31
4:1
TRI
N/A
0.045
0.26
1.50
10.5
1.86
0.85
N/A
27
26
0.16
0.32
0.4
2.79
0.45
0.89
6.00
3:1
4:1
TRI
N/A
0.045
0.33
1.50
10.5
2.34
1.24
N/A
28
27
1.07
1.39
0.4
2.79
2.98
3.88
4.00
11
4:1
TRI
N/A
0.040
0.59
1.50
10.5
3.18
1.47
N/A
29
0.14
0.14
0.4
2.79
0.38
0,39
4.00
4:1
3:1
TRI
N/A
0.045
0.26
1.50
10.5
1.65
0.65
N/A
32
33
0.14
0.29
0.4
2.79
0.38
0.80
6.10
41
3:1
TRI
N/A
0.045
0.32
1.50
10.5
2.23
1.22
1 N/A
33
0.15
0.15
0.4
2.79
0.42
0.42
5.25
4:1
3:1
TRI
N/A
0.045
0.26
1.50
10.5
1.78
0.85
N/A
34
0.04
0.04
0.4
2.79
0.12
0.12
5.30
4:1
3:1
TRI
N/A
0.045
0.16
1.50
10.5
1.34
0.53
N/A
35
18
0.37
1.29
0.4
2.79
1.03
3.60
3.40
4:1
3:1
TRI
N/A
0.040
0.60
1.50
10.5
2.86
1.27
N A
36
-
0.15
0.15
0.4
2.79
0.41
0.41
1.50
4:1
3:1
TRI
N/A
0.045
0.32
1.50
10.5
1.14
0.30
N A
37
0.09
0.09
0.4
2.79
0.24
0.24
2.00
4:1
3:1
TRI
N/A
0.045
0.25
1.50
10.5
1.10
0.31
N A
38
0.06
0.06
0.4
2.79
0.16
0.16
1.00
4:1
3:1
TRI
N/A
0.045
0.25
1.50
10.5
0.73
0.16
N/A
39
0.07
0.07
0.4
2.79
0.19
0.19
1.50
3:1
4:1
TRI
N/A
0.045
0.24
1.50
10.5
0.94
0.22
N/A
40
0.05
0.05
0.4
2.79
0.15
0.15
1.00
3:1
4:1
TRI
N/A
0.045
0.24
1.50
10.5
0.74
0.15
N/A
41
0.10
0.10
0.4
2.79
0.27
0.27
2.00
3:1
4:1
TRI
N/A
0.045
0.26
1.50
10.5
1.14
0.32
N/A
42
0.19
0.19
0.4
2.79
0.52
0.52
1.50
3:1
4:1
TRI
N/A
0.045
0.35
1.50
10.5
1.21
0.33
N/A
43
0.55
0.55
0.4
2.79
1.53
1.53
3.75
4:1
3:1
TRI'
N/A
0.045
0.41
1.50
10.5
2.09
0.96
N/A
44
6.04
6.04
0.4
2.79
16.84
16.84
2.00
3:1
3:1
TRI
N/A
0.030
1.11
1.50
9.0
4.56
1.39
N/A
45
0.30
0.30
0.4
2.79
0.84
0.84
1.00
3.1
3:1
TRI
N/A
0.045
0.48
1.50
9.0
1.22
0.30
N/A
46
0.12
0.12
0.4
2.79
0.33
0.33
1.50
3:1
3:1
TRI
N/A
0.045
0.32
1.50
9.0
1.07
0.30
N/A
47
4.90
4.90
0.4
2.79
13.66
13.66
1.50
3:1
3:1
TRI
I N/A
10.030
1 1.09
1 1.50
1 9.0
1 3.83
1.02
1 N/A
1 =6.97 IN/HR (10-YR STORM) TRI =TRIANGULAR
C=0.40 TRAP = TRAPEZOI DAL (WITH BOTTOM WIDTH)
2 / CHECKED BY: ARS
/. i STORM MANHOLE (STMH) DB DEED BOOK DATE: 10/14/2020
A PB PLAT BOOK PROJECT NO.: 302-19
UTILITY POLE PG PAGE
R/W RIGHT-OF-WAY REF. NO.:
-j�r LIGHT POLE E/P EDGE OF PAVEMENT SCALE: 1"=60'
E/G EDGE OF GRAVEL
GROUND LIGHT CONC CONCRETE
RCP REINFORCED CONCRETE PIPE
DI DROP INLET
• GUY WIRE CI CURB INLET ` �6```p���
FIFE FINISH FLOOR ELEVATION
YARD INLET (YI) BSMT BASEMENT E�
UQ UTILITY PEDESTAL TRIED TELEPHONE PEDESTAL =Q A G
GV THH TELEPHONE HAND HOLD
GAS VALVE DMUE DRAINAGE MAINTENANCE & UTILITY EASEMENT
CHU OVERHEAD POWER LINE L
��'I/'
VYVY1 WOODSLINE(TYP.) �xI iuSiTiO+�Nw'�`
--------�--- GAS LINE
-W -W - WATER LINE 0 0 SILT FENCE (TYP.) GRAPHIC SCALE
JE UNDERGROUND ELECTRICAL r r .J;: X x X PROP. DISTURBED LIMITS 60 0 30 60 120 240 r 7
x FENCE LINE
TEMP. DIVERSION BERM
TEMP. CLEAN WATER DIVERSION BERM
( )
12" STRAW WATTLES, IN FEET
DITCH LINE PROTECTION 1 inch =60 ft.
ti
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z
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