SW3210701_Plansheet (C9.12) - Proposed Drainage Area_20211214

Basin Ta:tfort°m tien.
Drainage Area 1
'Drainage Area 2
Dr irta e Area'3
Drainage Area BIB
Reeeivin ; Strea rn Name
Caldwell Cr
Caldwell Cr
Caldwell r
Caldwell Cr
Stream C lass
Stream Index Number
1.3-17-8-5
-13-1.7- -,
1. -17- -5
1 -17_ -
Total Drainage Area. (sf)
442,822
75, 1.7
1,028,016
1,265,358
Cara -site Drainia e Area (4)
378,353
275,91.7'
1, 011, 162
1,265,358
Off -site Drainage Area (f)
6,4,469
0
4
16,854
0
Proposed Impervious Area** (f)
211,456
133,828
445,873
00,517
'l, Impervious Area"'` (total)
48
49
43
16
Impervious" Surface .Area
Drainage Area 1
Drainage inage .rea 2
Drainage +e Area 3
T
Drain Area'BP
On sate Build :in /Lots (4)
68,440.00
84,680M
296,960.00
134,5 0.00
On-sateStreets (f)
34,410.85
33,870.59
91,679.91
" 1,T ,71.
On ,ate Parking (4)
1,865.42
, .71
8,863.10
2821.0
On -site Sidewalks (4)
10,093.93
111995.,08
31,515.51 .51
12,838.65
Other on -site (so
1.1,267.4
0
0
0
Future (sf)
20,909 1,7
0
0
21,637.65
Off -site (so
6 4,46.00
0
1_6, 54.00
0
Existing BUA*** (sf)
0
0
0
0
,..Total. (o:
211,456
133,82838
445,872,52
200,517.1.1
Drainage'
Pervious
Swale
B�o�1
Q
Slope'�"aoom,�
VuM
Flow
#
Area
(aa)
area
(cfs)
(0/6)
(fps)
(fps)
depth (ft)
(ac)
(a)
1
1.80
0.28
1.52
0.44
5.81
2.50
4.50
3.63
0.47
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
0.38
0- i 9
0..t 9
0.65'
1U .81i
3.00
4.50
2.77
0.24
0.46
0.21
0.25
0.62
2.09
3.00
4.50
2.89
0.26
4
1.00
0.20
0.80
0.47
3.45
4.00
4.50
3.64
0.32
Vegetated
Drainage
V (allow-
V (actual-
Flow
C
Q(cfs)
Slope (%)
Conveyance
Area (ac)
fps)
fps)
Depth (ft)
1
2.29
0.38
6.39
3.50
4.50
2.64
0.65
2
0.85
0.44
2.75
4.40
4.50
2.40
0.65
3
1.11
0.38
3.10
5.10
4.50
2.32
0.60
4
1.73
0.37
4.70
4.10
4.50
2.74
0.60
5
0.52
0.49
1.87
3.82
4.50
1.87
0.50
6
0.70
0.52
2.67
1.40
4.50
1.41
0.80
7
0.45
0.57
1.88
2.86
4.50
1.90
0.70
8
0.71
0.57
2.97
1.96
4.50
1.55
0.70
9
0.94
0.51
3.52
3.03
4.50
2.19
0.70
10
0.48
0.51
1.80
2.76
4.50
1.53
0.60
11
0.73
0.76
4.07
1.36
4.50
1.60
0.90
12
1.94
0.76
10.82
1.13
4.50
2.00
1.00
13
1.40
0.40
4.11
1.00
4.50
1.28
0.90
14
0.47
0.40
1.38
2.00
4.50
1.73
0.80
• -
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?IVIIW.. 11111 _'" D,11A 1111 S,
The John R. McAdams Company, Inc.
3430 Toringdon Way
Suite 110
Charlotte, NC 28277
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
CLIENT
PULTE GROUP - MATT KEARNS
11121 CARMEL COMMONS BLVD, SUITE 450
CHARLOTTE, NC 28226
PHONE: [phone]
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REVISIONS
NO.
DATE
1
09. 07. 2021
REVS PER AJHA 1ST REVIEWS
2
09. 17.2021
REVS PER 1ST NCDOT REVIEW
3
10. 18. 2021
REVS PER 2ND NCDEQ-SW REVIEW
4
10. 25. 2021
REVS PER 2ND NCDOT REVIEW
5
11. 01. 2021
REVS PER 2ND COC REVIEW
6
12. 14. 2021
REVS PER 3RD NCDEQ-SW REVIEW
PLAN INFORMATION
PROJECT NO. 2021210184
FILENAME 2021210184- Post. dwg
CHECKED BY SAW
DRAWN BY SAW
SCALE 1"=100'
DATE 06. 08. 2021
SHEET
POST DEVELOPMENT
HYDROLOGY MAP
C961
2