SW3170603 - Larkin Subidivision Phase 6B (6)

Larkin Golf Club Ph.68
Storm Drain/Erosion Control Project Report Section 5: Pre & Post Analysis
Pre & Post -Development Summary
Summary

Larkin Golf Course Ph.613
Statesville, North Carolina
Project Number: 2506
May 3, 2017
POINT OF ANALYSIS - NORTH EAST INTO EXISTING DITCH
Pre -Development Flow (cfs)
Pre Area #1
Post -Development Flow (cfs)
Post Area #1 (Wet Pond #100)
Post Area #2 (Wet Pond #200)
Post Area #3 (Wet Pond #300)
Post Area #4 (Wet Pond #400)
Post Bypass #5
Combined Area
Pre vs. Post Hydrology
Area
2 YR
10 YR
25 YR
100 YR
(acres)
87.09
62.20
179.33
336.20
416.25
3.26
0.20
0.80
3.32
8.94
5.01
0.36
1.77
10.53
20.39
7.13
1.08
4.69
24.50
35.62
12.84
5.52
21.74
40.04
61.96
58.85
44.61
125.15
232.39
286.91
87.09
49.60
153.18
309.74
412.01

Larkin Golf Club Ph.66
Storm Drain/Erosion Control Project Report Section 5: Pre &Post Analysis
Pre & Post -Development Curve Numbers
Pre Curve Numbers

Larkin Golf Course Ph. 6B
Statesville, North Carolina
Project Number: 2506
May 3, 2017
COMPOSITE SCS RUNOFF CURVE NUMBERS
24 Hour Storm Event
Pre -Development Area #1
Soil Type: Rion Sandy Loam & Pacolet Sandy Clay - HSG "B"
Total Drainage Area = 87.09 ac.
Paved Roads/Sidewalk/Structures 1.83 as
CN= 98
Wooded Area
CN= 60
29.13 ac.
Good Grass (>75% coverage) 56.13 ac.
CN= 61
Newly Graded
CN= 86
Composite CN 61.44
Y
I
ac.

Larkin Golf Course Ph. 613
Statesville, North Carolina
Project Number: 2506
May 3, 2017
COMPOSITE SCS RUNOFF CURVE NUMBERS
24 Hour Storm Event
Post Development Area #1 (Wet Pond #100)
Soil Type: Rion Sandy Loam & Pacolet Sandy Clay - HSG "B"
Total Drainage Area = 3.26 ac.
Paved Road s/Sidewal k/Structu res 1.55 ac,
CN= 98
Wooded Area
CN= 60
0.00 ac.
Good Grass (>75% coverage) 1.71 ac.
CN= 61
Newly Graded
CN= 86
Composite CN 78.59
0.00 ac.

Larkin Golf Course Ph. 613
Statesville, North Carolina
Project Number: 2506
May 3, 2017
COMPOSITE SCS RUNOFF CURVE NUMBERS
24 Hour Storm Event
Post Development Area #2 (Wet Pond #200)
Soil Type: Rion Sandy Loam & Pacolet Sandy Clay - HSG "B"
Total Drainage Area = 5.01 ac.
Paved Roads/Sidewalk/Structures 1.05 ac.
CN= 98
Wooded Area
CN= 60
0.00 ac.
Good Grass (>75% coverage) 3.96 ac.
CN= 61
Newly Graded
ki :.
% Composite CN 68.76
0.00 ac.

Larkin Golf Course Ph. 6B
Statesville, North Carolina
Project Number: 2506
May 3, 2017
COMPOSITE SCS RUNOFF CURVE NUMBERS
24 Hour Storm Event
Post Development Area #3 (Wet Pond #300)
Soil Type: Rion Sandy Loam & Pacolet Sandy Clay - HSG "B"
Total Drainage Area = 7.13 ac.
Paved Roads/Sidewalk/Structures 2.98 ac.
CN= 98
Wooded Area
CN= 60
0.00 ac.
Good Grass (>75% coverage) 4.15 ac.
CN= 61
Newly Graded
CN= 86
Composite CN 76.46
0.00 ac.

Larkin Golf Course Ph. 613
Statesville, North Carolina
Project Number: 2506
i May 3, 2017
COMPOSITE SCS RUNOFF CURVE NUMBERS
24 Hour Storm Event
Post Development Area #4 (Wet Pond #400)
Soil Type: Rion Sandy Loam & Pacolet Sandy Clay - HSG "B"
Total Drainage Area = 12.84 ac.
Paved Roads/Sidewalk/Structures 6.56 ac.
CN= 98
Wooded Area
CN= 60
0.00 ac.
Good Grass (>75% coverage) 6.28 ac.
CN= 61
Newly Graded
Composite CN 79.90
0.00 ac.

Larkin Golf Course Ph. 66
Statesville, North Carolina
Project Number: 2506
May 3, 2017
COMPOSITE SCS RUNOFF CURVE NUMBERS
24 Hour Storm Event
Post Development Bypass Area #5
Soil Type: Rion Sandy Loam & Pacolet Sandy Clay - HSG "B"
Total Drainage Area = 58.84 ac.
Paved Roads/Sidewalk/Structures 1.83 ac.
CN= 98
Wooded Area
CN= 60
4.44 ac.
Good Grass (>75% coverage) 52.57 ac.
CN= 61
Newly Graded
[aki
Composite CN 62.08
0.00 ac.

Larkin Golf Club Ph.6B
Storm Drain/Erosion Control Project Report Section 5; Pre & Post Analysis
Pre & Post -Development TC Values
TC Values

PROJECT: Larkin Golf Course Ph, 61
SUB -BASIN IA: PRE DEVELOPMENT ARI
DATE. 5/312017
SHEET FLOW
MANNING'S "n"
2- YEAR, 24- HR RAIN FALL (IN)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
LAND SLOPE (FT1FT)
TIME OF CONCENTRATION (HRS)
SHALLOW CONCENTRATED FLOW
SURFACE DESCRIPTION (P OR U)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
WATERCOURSE SLOPE (FT1FT)
AVERAGE VELOCITY(FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNEL FLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANN ING'S "n"
AVERAGE VELOCITY (FTISEC)
TIME OF CONCENTRATION (HRS)
CHANNEL FLOW
TOP WIDTH (FT)
DEPTH (FT)
AREA(SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (HT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNING'S "n"
AVERAGE VELOCITY (MSEC)
TIME OF CONCENTRATION (HRS)
ccr_ fx ccr_ u� ccr ftx
50 0
10
000
000
140
0.00
20
000
0.00
0 0
000
0 00
700 00
000
006
000
000
000
000
0.00
oao
7800
000
000
Goo
000
000
000
0-00
897
000
coo
Boo
000
009
000
000
0 000
345300
1
7660
754.9
0 000
a DOD
o D
D o00
0 000
D 000
0 000
00001
7460
00001
0.000
23 505
0.000
00001
0 000
0 000
0 00
0 002401
0 000
0 000
0 000
0 000
0 000
000
0 000
000111
0 026
0 000
0-000
11 144
00001
0 000
O 000
0 000
0 000
0 000
D 08fi00001
00001
00001
00001
0 Doo
0 000
0-OBfi
TRIANGULAR CHANNEL
I ccr_aa
CHANNEL FLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
SIDE SLOPES (�H 1 V) (FT)
AREA (SQ. FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNELFLOW
PIPE DIAMETER (IN)
AREA(SO FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (F -UFT)
MANNING'S'n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
TOTAL TIME OF CONCENTRATION (HRSI 0 242 14 50 MINS.
TRAPEZOIDAL CHANNEL
150
10
000
000
000
0.00
20
000
0.00
0 0
000
0 00
000
000
000
000
000
000
000
oao
oao
000
000
000
000
000
coo
000
000
134
8020
0 000
0 000
0 000
0 000
7660
0 269
0 000
a DOD
o D
D o00
0 000
D 000
0 000
00001
00001
00001
0.000
23 505
0.000
00001
0 000
0 000
0 00
0 000
0 000
0 000
0 000
0 000
00001
00001
00001
000111
0 000
0 000
0-000
CHANNEL FLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
SIDE SLOPES (�H 1 V) (FT)
AREA (SQ. FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNELFLOW
PIPE DIAMETER (IN)
AREA(SO FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (F -UFT)
MANNING'S'n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
TOTAL TIME OF CONCENTRATION (HRSI 0 242 14 50 MINS.
TRAPEZOIDAL CHANNEL
150
10
000
000
000
0.00
20
000
000
000
0.00
1700
000
000
000
coo
1947
000
000
000
coo
087
0.00
000
000
000
134
8020
0 000
0 000
0 000
0 000
7660
0 269
0 000
00001
00001
0 000
0 030
0 000
00001
00001
00001
0.000
23 505
0.000
00001
0 000
0 OOD
0 002
O.D00 1
00001
0 000
0 000
0 002
CIRCULAR CHANNEL (Gravity Flow)
0 co
000
000
000
0.00
000
000
000
000
0.00
000
000
000
000
0.00
0 000
0 000
0 000
0 000
0 000
0 Doo
0 ooa
00001
00001
o app
0 000
0 000
00001
00001
00001
0.000

PROJECT: Larkin Golf Course Ph. 6B
SUB -BASIN ID: POST DEVELOPMENT AREA #1 (Wet Pond #100)
DATE' 5/312017
SHEET FLOW
SEG #1 SEG 42
MANNING'S "n"D
030
2- YEAR, 24- HR RAIN FALL (IN)
3 64
000
FLOW LENGTH (FT)
coo
104
0 00
ELEV UP (NGVD FT)
000
8358
000
ELEV DOWN (NGVD FT)
0 00
820.0
000p,5651
LAND SLOPE (FTIFT)
000
0152 0 000
000
TIME OF CONCENTRATION (HRS)
0 019 0 000
0.019
SHALLOW CONCENTRATED FLOW
SURFACE DESCRIPTION (P OR U)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
WATERCOURSE SLOPE (FT/FT)
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNEL FLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FTIFT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNELFLOW
TOP WIDTH (FT)
DEPTH (FT)
AREA (SQ. FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FTIFT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
SEG #1 SEG #2
U
145
8184
8085
0 069 0 000
4 227 0 000
0 010 0.000 0.010
RECTANGULAR CHANNEL
ecr_ — ccr_ Al Scr. as SFr. fiA SEG 45 SEG #6
TRIANGULAR CHANNEL
ter_ x. ccr- N ccr. ua RPS lu SEG AS SEG #6
__...130 --
- ---
05
000000
000
000
coo
0 00
0 00
000
000
D Do
000
006
0 00
000
000p,5651
000
000
000
000
3700
8200
818 4
0 000
0.0001
0.000i
0 000
0 000
0 000
0 000
0.000
0 000
0 013
00 9
22001
0 000
09920000
0 000
0 000
0 000
0 000
9292
0 000
0 000
0 000
D 000
0000
0 000
0 000
TRIANGULAR CHANNEL
ter_ x. ccr- N ccr. ua RPS lu SEG AS SEG #6
__...130 --
- ---
05
3251
000
000
000
0.00
000
1304
060
0.00
000
000
000
025
0 00
000
0.00
000
000
3700
8200
818 4
0 000
0.0001
0.000i
0 043
0 000
0 000
0 000
0 000i
0 D00
0 013
00 9
22001
0 000
09920000
9.338
0 000
0 000
0 000
00001
0090
0 OD1
0 000
D 000
0 000
00001
0,000
TOTAL TIME OF CONCENTRATION (HRS) D.040
CHANNEL FLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
SIDE SLOPES (?H 1V) (FT)
AREA (SQ. FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/Fl)
MANN]NG'S "n'
0.000 AVERAGE VELOCITY (FT/SEG)
TIME OF CONCENTRATION (HRS)
CHANNELFLOW
PIPE DIAMETER (IN)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FTIFT)
MANNING'S "n'
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
0.001
2.37 MINS.
TRAPEZOIDAL CHANNEL
o. eFr. a9 CF(.`. 44 AFG ild SEG 95
CIRCULAR CHANNEL (Gravity Flow)
0 000
000
000
000
000
000
0.00
000
000
000
000
000
DDD
000
000
000
0 000
0.0001
0.000i
0 000
000
00 9
22001
0 000
09920000
0 000
00
0 000
0 ODD
0 000
CIRCULAR CHANNEL (Gravity Flow)
0 000

PROJECT: Larkin Golf Course Ph. 6B
SUB -BASIN ID: POST DEVELOPMENT AREA #2 (Wet Pond #200)
DATE: 5/312017
SHEET FLOW
SEG #1 SEG 92
MANNING'S "n"
000
0 030
000
2- YEAR, 24- HR RAIN FALL (IN)
000
364
000
FLOW LENGTH (FT)
000
112
000
ELEV UP (NGVD F)
000
8020
000
ELEV DOWN (NGVD FT)
000
7999
000
LAND SLOPE (FT/FT)
000
0 018 0 000
000
TIME OF CONCENTRATION (HRS)
0 048 0 000
0.048
SHALLOW CONCENTRATED FLOW
SURFACE DESCRIPTION (P OR U)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
WATERCOURSE SLOPE (FT/FT)
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNELFLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNING'S "n"
AVERAGE VELOCITY (FTISEC)
TIME OF CONCENTRATION (HRS)
CHANNEL FLOW
TOP WIDTH (FT)
DEPTH (FT)
AREA (SQ. FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FTIFT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
SEG #1 SEG #2
U
0.000 0 000
0.000 0 000
0.000 0 000 0.000
RECTANGULAR CHANNEL
SIPS #1 SEG #2 SEG #3 SEG #A SEG 05 SEG #6
TRIANGULAR CHANNEL
SEG #1 SEG #2 SEG #3 SEG #4 SEG #5 SEG 46
An
1.0
400
000
000
000
000
000
825
000
000
000
000
000
049
000
000
000
000
000
R
000
000
000
000
000
7999
7975
0 020
0 000
0 000
0 000
0 000
0.000
00oul
00 0
00001
0 000
00001
0 000
0 374
0 000
0 000
0 000
00001
0.000
00001
00001
00001
00001
00001
0 000
00001
00001
00001
00001
00001
0 000
TRIANGULAR CHANNEL
SEG #1 SEG #2 SEG #3 SEG #4 SEG #5 SEG 46
An
1.0
400
000
000
000
000
000
825
000
0.00
000
000
60-0
049
000
0.00
-6-00
000
000
11800
000
0.00
000
000
000
7999
7975
0 020
0 000
0 000
0 000
0 000
0.000
0.350
0 000
0 374
0 000
0 000
0 000
00001
0.000
00881
0.0001
00001
00001
00001
0 000
TOTAL TIME OF CONCENTRATION (HRS) 0.935
CHANNELFLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
SIDE SLOPES (?H 1V) (FT)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNING'S "n"
0.000 AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNEL FLOW
PIPE DIAMETER (IN)
AREA (SO FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FTIFT)
MANNING'S 'n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
0.068
812 MINS.
TRAPEZOIDAL CHANNEL
SFG i11 SFG 97 SEG #3 SEG 94 SEG #5
CIRCULAR CHANNEL (Gravity Flow)
4Fr: All SFG A9 SFG 113 SEG 04 SEG #S
0000
15
123
000
000
00ol 00o
000
393
000
000
000
0.00
0.00
000
000
000
0.00
0.00
0 00
000
000
0.00
000
000
000
7975
7850
0 019
0 000
0.000
D.000
0 000
0 000
0 000
0 000
ENE!
7 260
0 000
00001
0 000
0 000
0000
0 000
00001
0 000
0 000
0 000
CIRCULAR CHANNEL (Gravity Flow)
4Fr: All SFG A9 SFG 113 SEG 04 SEG #S
0000
15
123
000
000
00ol 00o
000
393
000
000
000
5-00-
00031
031
000
000
000
0.00
656
7975
7850
0 019
0 000
0.000
0.000
00
013
ENE!
7 260
0.000
0 000
0 000
0 000
00251
0.000
0 000
0 000
0 006L_0.025

PROJECT: Larkin Golf Course Ph. 6B
SUB -BASIN ID: POST DEVELOPMENT AREA #3 (Wet Pond #3001
DATE: 51312017
SHEET FLOW
SEG #1 SEG #2
MANNING'S "n"
000
0 030
0 00
2- YEAR, 24- HR RAIN FALL (IN)
628
364
000
FLOW LENGTH (FT)
o aD
68
000
ELEV UP (NGVD FT)
000
8662
000
ELEV DOWN (NGVD FT)
0 DO
8640
0.00
LAND SLOPE (FT/FT)
000
0.032 066-0
000
TIME OF CONCENTRATION (HRS)
0.00
002 0000
1 0.026
SHALLOW CONCENTRATED FLOW
SURFACE DESCRIPTION (P OR U)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
WATERCOURSE SLOPE (FT/FT)
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNEL FLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (NRS)
CHANNEL FLOW
TOP WIDTH (FT)
DEPTH (FT)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNIN&S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
SEG #1 SEG #2
U
358
8840
857.2
0.019 0 000
221 0 000
0 045 0 000 O.D45
RECTANGULAR CHANNEL
eet-_ wv ccr ilA CF r, i!S SEG 06
TRIANGULAR CHANNEL
cor_ tti cFr. HA SFr #5 SEG #6
24
314
000
000
0 00
628
000
000
000ET-0000-
o aD
0 00
000
000
000
0 00
000
coo
0 DO
000
0.00
0 D0-
000
000
0OD
000
0.00
0.00
000
6,0-0
000
0078
0.000
0000
0000
'013
168021
201821
0000000
0 000
0 Goo
0 000
0 000
0 000
0 000
0000
0000
0 000
0000
0 000
0000
0 000
0 000
0 000
0 000
0.000
0 000
0 000
0 000
0 000
0 000
0 000
0 000
D 000
00001
0 000
00001
0 nmi
00001
0 UuU1
0 000
TRIANGULAR CHANNEL
cor_ tti cFr. HA SFr #5 SEG #6
TOTAL TIME OF CONCENTRATION (HRS) O.D86
CHANNEL FLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
SIDE SLOPES (?H AV) (FT)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNELFLOW
PIPE DIAMETER (IN)
AREA (SQ. FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNING'S "n'
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
0.000
5.15 MINS.
TRAPEZOIDAL CHANNEL
r_ — ccr_ Al Rcr, HA SEG #5
24
314
000
000
0 00
628
000
000
0 00
o aD
0 00
0 00
0.00
000
0 00
000
coo
0 DO
000
000
000
000
000
000
0.00
000
00
000
000
0078
0.000
0000
0000
'013
168021
201821
0000000
0 000
0 Goo
0 000
0 000
0 000
0 000
0000
0 000
0 000
0 000
io00
0 000
0.000
0 000
0 000
0 000
0 000
0.000
0 000
0 000
0 000
TOTAL TIME OF CONCENTRATION (HRS) O.D86
CHANNEL FLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
SIDE SLOPES (?H AV) (FT)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNELFLOW
PIPE DIAMETER (IN)
AREA (SQ. FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNING'S "n'
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
0.000
5.15 MINS.
TRAPEZOIDAL CHANNEL
r_ — ccr_ Al Rcr, HA SEG #5
CIRCULAR CHANNEL (Gravity Flow)
acr_ 0.4 SFr, fig
24
314
000
000
0 00
628
0 000OD
0.00
050
000
000
000
0.00
000
000
000
0.00
000
000
000
0.00
000
00
000
000
0078
0.000
0000
0000
'013
168021
201821
0000000
0 000
0
0 001
0 014
0 OOD
0.000
0 000
0000
0 000
0 000
0 000
0 030
0 030
a ooD
0 000
0 000
0.000
0.000
0 000
0.000
0000
00001
00001
0.000
CIRCULAR CHANNEL (Gravity Flow)
acr_ 0.4 SFr, fig
0.015
24
314
000
000
0 00
628
0 000OD
0.00
050
000
0-00
000
fl849
1023
849 3
7690
0078
0.000
0000
0000
'013
168021
201821
0000000
0 000
0
0 001
0 014
0 OOD
0.000
0 D00
0.015

PROJECT: Larkin Golf Course Ph. 6B
SUB -BASIN ID: POST DEVELOPMENT AREA#4 (Wet Pond #400)
DATE: 51312017
SHEET FLOW
SEG #1 SEG #2
MANNING'S "n"
0 030
2- YEAR, 24- HR RAIN FALL (IN)
364
000
FLOW LENGTH (FT)
000
128
000
ELEV UP (NGVD FT)
0 00
8478
0-00
ELEV DOWN (NGVD FT)
0 00
8376
000
LAND SLOPE (FT/FT)
000
0 080 0.000
0 Oa
TIME OF CONCENTRATION (HRS)
000
0.030 0 000
0.030
SHALLOW CONCENTRATED FLOW
SURFACE DESCRIPTION (P OR U)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
WATERCOURSE SLOPE (FT/FT)
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNELFLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
AREA (SQ. FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANN] NGS "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNELFLOW
TOP WIDTH (FT)
DEPTH (FT)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (F -UFT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
SEG #11 SEG #2
U
250
8376
8250
0050 D 000
3 624 0 000
0.019 0 000 0-019
RECTANGULAR CHANNEL
r «a cor_ — ecr- ffz QPrr N1 CFG 8R SEG #S
TRIANGULAR CHANNEL
ecr Al QPM ee SFr OR SFC. #S
000
000
0001
000
0 00
000
000
0 00
000
0-00
001,
00
0 00
000
000
000
000
000
0 Oa
0 00
000
000
000
000
0.000
0 000
0 0000.000
0 0001
0 000
00001
00001
0 000
0 000
0 000
0.000
0 000
0 000
0 000
0 000
0.000
0000
0.000
0 000
0 000
00001
0 000
0 000
0 000
0 Doo
D DDD
0000
a D in
0 000
0 000
0.000
0 000
0 000
00001
0.000
TRIANGULAR CHANNEL
ecr Al QPM ee SFr OR SFC. #S
TOTAL TIME OF CONCENTRATION (HRS) 0.087
CHANNELFLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
SIDE SLOPES (?H:1V) (FT)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FTIFT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNELFLOW
PIPE DIAMETER (IN)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
0.000
5.22 MINS.
TRAPEZOIDAL CHANNEL
cFr_ ffI SFr 92 SEG #3 SEG #4 SEG #5
000
000
000
000
000
000
000
000
000
000
000
000
000
000
0 00
000
000
000
000
000
000
0-00
000
0.000
0 000
0 0000.000
0 0001
0 000
00001
00001
0 000
0 000
0 000
00001
00001
0 000
0 000
0.000
0000
0.000
0 000
0 000
00001
00001
00001
TOTAL TIME OF CONCENTRATION (HRS) 0.087
CHANNELFLOW
BOTTOM WIDTH (FT)
DEPTH (FT)
SIDE SLOPES (?H:1V) (FT)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FTIFT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNELFLOW
PIPE DIAMETER (IN)
AREA (SQ FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT/FT)
MANNING'S "n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
0.000
5.22 MINS.
TRAPEZOIDAL CHANNEL
cFr_ ffI SFr 92 SEG #3 SEG #4 SEG #5
CIRCULAR CHANNEL (Gravity Flow)
000
000
000
000
000
000
000
000
000
0.00
000
000
000
0-00
000
00001
00001
0 000
0 000
0 000
0 000
0 000
0 000
0 000
0 000
00001
00001
0 000
0 DDo
a D in
0.000
CIRCULAR CHANNEL (Gravity Flow)

PROJECT Larkin Golf Course Ph 6B
SUB -BASIN ID POST DEVELOPMENT BYPASS AREA #5
DATE. 513/2047
SHEET FLOW
MANNING'S "n"
2- YEAR, 24- HR RAIN FALL (IN)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
LAND SLOPE (FT/FT)
TIME OF CONCENTRATION (HRS)
SHALLOW CONCENTRATED FLOW
SURFACE DESCRIPTION (P OR U)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
WATERCOURSE SLOPE (FTIFT)
AVERAGE VELOCITY (FTISEC)
TIME OF CONCENTRATION (HRS)
CHANNEL FLOW
BOTTOM WIDTH (FT)
DEPTH(FT)
AREA (SQ. FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (MFT)
MANNING'S'n"
AVERAGE VELOCITY (FT/SEC)
TIME OF CONCENTRATION (HRS)
CHANNEL FLOW
TOP WIDTH (FT)
DEPTH (FT)
AREA(SO FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT1FT)
MANNING'S'n"
AVERAGE VELOCITY (FTISEC)
TIME OF CONCENTRATION (HRS)
SEG #1 SEG #2
0 030
304
300
8740
6591
0050 0000
0 071 0 000 0 071
SEG #1 SEG #2
U U
563 471
859 1 7660
802 0 7549
0 101 0 024
5138 2.478
0 030 0 053 1 0 083
RECTANGULAR CHANNEL
9 SEG #2 SEG #3 SEG #4 SEG #5 SEG #6 SEG #7 SEG #8 CHANNEL FLOW
v#
50 0
10
140
20--
01700
700 DO
0.00
000
000
000
000
000
0001
000
78 00
0 00
000
0.00
coo
0 OO
000
0 00
8 97
0 00
000
0 DO
000
000
000
000
3453 00
7660
754 9
00
0 000
0 000
0 000
0 030
746 0
23 5D5
0 000
0 000
0 000
0 000
0 002
0 000
0 000
0000
0 000
0 000
0 DOD
0 000
0 026
11 144
0 000
0 ODO
D 000
0 000
0 000
0 -ODD
0 000
0 086
0 000
D 0110
00001
0 LIUU1
00001
0 000
0 D00
0 086
TRIANGULAR CHANNEL
BOTTOM WIDTH (FT)
DEPTH(FT)
SIDE SLOPES (9H 1V) (FT)
AREA (SQ. FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE (FT1FT)
MANNING'S'n'
AVERAGE VELOCITY (FTISEC)
TIME OF CONCENTRATION (HRS)
CHANNEL FLOW
PIPE DIAMETER (IN)
AREA(SO FT)
WETTED PERIMETER (FT)
HYDRAULIC RADIUS (FT)
FLOW LENGTH (FT)
ELEV UP (NGVD FT)
ELEV DOWN (NGVD FT)
CHANNEL SLOPE(F77FT)
MANNING'S "n"
AVERAGE VELOCITY (FTISEC)
TIME OF CONCENTRATION (HRS)
14-50 MINS
TOTAL TIME OF CONCENTRATION (HRS) o zaz
TRAPEZOIDAL CHANNEL
u. acn a9 ccn a1 SFR #4 SEG #5
15:0
10
20--
01700
1700
000
000
000
000
1947
000
000
000
0 00
087
000
000
0-00
0.00
134---
348020
8020
7660
0 269
00
0 000
0 000
0 000
0 030
23 5D5
0 000
0 000
0 000
0 000
0 002
o 000
0 60o
D Doo
0 000
0 ooz
CIRCULAR CHANNEL (Gravity Flow)

Larkin Golf Club Ph.613
Storm Drain/Erosion Control Project Report Section 5: Pre & Post Analysis
29 109 509 & 100 -year Storm Event
Hydrograph Analysis
Hydrograph

Pond Report
5
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D02016 by Autodesk, Inc v10.5 Wednesday, 051312017
Pond No. 1 - Wet Pond i#100
Pond Data
Contours -User-defined contour areas Conic method used for volume calculation Begining Elevation = 765.00 ft
Stage ! Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cuft) Total storage (cuft)
000
76500
5,846
0
0
0.50
765.50
6,955
3,196
3,196
1 00
76600
7,666
3,653
6,849
2.00
767.00
9,133
8,388
15,237
3.00
768.00
10,657
9,884
25,122
4.00
76900
12,238
11,437
36,559
5.00
770.00
13,876
13,047
49,606
Culvert 1 Orifice Structures
Weir Structures
[A]
[Bl [C]
[PrfRsr]
[A]
[B]
[C]
[D]
Rise (in)
= 15.00
1.75 4.00
000
Crest Len (ft) = 8.00
20.00
000
000
Span (in)
= 1500
1.75 6.00
0.00
Crest EI. (ft) = 768.00
769.00
0.00
000
No. Barrels
= 1
1 1
0
Weir Coeff. = 3.33
3.33
3.33
3.33
Invert El. (ft) = 765.00
765.00 766.50
000
Weir Type = 1
Clpitl
---
--
Length (ft)
= 6685
050 0.50
0.00
Multi -Stage = Yes
No
No
No
Slope (%)
= 4.49
0.00 000
nla
N -Value
= .013
.013 013
nla
Orifice Coeff. = 0.60
0.60 0.60
0.60
Exfil.(inlhr) = 0.000 (by
Wet area)
Multi -Stage
= n/a
Yes Yes
No
TW Elev. (ft) = 0.00
Note. Culvert/Orifice outflows are analyzed under inlet (ic) and outlet (oc) control Weir risers checked for
onfice conditions (ic) and submergence (s).
Stage / Storage 1 Discharge Table
Stage
Storage Elevation Civ A
CIV B
CIV C
PrfRsr Wr A Wr B
Wr C
Wr D
Exfil User
Total
ft
cuff: ft
cfs
cfs
cfs
cfs cfs cfs
cfs
cfs
cfs cfs
cfs
0,00
0 765.00
0.00
0.00
0.00
- 0.00 000
---
---
-- ---
0.000
0.50
3,196 765 50
0.05 is
0 05 is
0.00
- 0 00 000
-
-
-- -
0 051
1.00
6,849 76600
0.08 Ic
0.08 Ic
000
- 000 0.00
--
-
-- ---
0.075
200
15,237 76700
0.57 Ic
010 Ic
0.46 Ic
- 000 0.00
---
-
- -
0.567
3.00
25,122 768.00
1.05 is
0 13 is
0.93 is
-- 0.00 0.00
---
--
-- --
1.054
4.00
36,559 769.00
10 76 Ic
0.02 lc
0.20 is
- 10 54 s 000
--
--
- ---
10.76
500
49,606 770.00
12 34 is
0 01 Ic
0.0910
--- 12 23 s 66.60
---
--
-- -
7892

8
Pond Report
Hydraf low Hydrographs Extension for AutOCAD(D Civil 3D02016 by Autodesk, Inc. v10.5
Wednesday, 05 1 3
12017
Pond No. 2 - Wet Pond #200
Pond Data
Contours -User-defined contour areas Conic method used for
volume calculation. Begining
Elevation = 785 00 ft
Stage 1 Storage 'cable
Stage (ft) Elevation (ft) Contour area
(sqft)
Incr. Storage (cuft)
Total storage (cuft)
000 785.00 4,438
0
0
0.50 785.50 5,241
2,417
2,417
100 786,00 5,713
2,737
5,154
2.00 787.00 6,699
6,199
11,353
3.00 78800 7,741
7,213
18,566
400 789.00 8,840
8,284
26,850
5.00 79000 9,995
9,411
36,260
Culvert / Orifice Structures
Weir Structures
[A] [B] [C]
[PrfRsr]
[A] [B]
[C] [D]
Rise (in) = 1500 1.50 600
0.00
Crest Len (ft)
= 8.00 20.00
0.00 0.00
Span (in) = 15.00 1 50 8.00
0.00
Crest EI. (ft)
= 788.00 78900
0.00 000
No. Barrels = 1 1 1
0
WeirCoeff.
= 3.33 333
3.33 3.33
Invert EI. (ft) = 78500 785.00 78650 0.00
Weir Type
= 1 Cipiti
--- ---
Length (ft) = 43.54 0.50 0.50
000
Multi -Stage
= Yes No
No No
Slope (%) = 230 0.00 0.00
n/a
N -Value = .013 .013 .013
n/a
Orifice Coeff. = 0.60 060 0.60
0.60
Exfil.(in/hr)
= 0 000 (by Wet area)
Multi -Stage = n/a Yes Yes
No
TW Elev. (ft)
= 0.00
Note Culvert/Onrice outflows are analyzed under inlet (Lo) and outlet (oc)
control Weir risers checked for onfice conditions (ic) and submergence (s)
Stage / Storage 1 Discharge Table
Stage Storage Elevation Clv A
Clv B
CIV C PrfRsr Wr A
Wr B Wr C
Wr D Exfil User
Total
ft tuft ft cfs
cfs
cfs cfs cfs
cfs cfs
cfs cfs cfs
cfs
0.00 0 78500 0.00
000
000 - 000
0.00 --
--- - - -
0 000
0.50 2,417 785.50 0 04 Ic
0.04 is
000 - 0.00
000 -
- - -
0.038
1.00 5,154 786.00 0.06 is
0 06 is
000 -- 0 00
0.00 -
-- -- --
0 056
2.00 11,353 787.00 0 90 Ic
0.07 is
0.80 Ic -- 0.00
000 --
-- --- ---
0.876
3.00 18,566 78800 1.88 is
0 09 is
1.79 is - 0 00
0.00 -
- -- -
1.885
400 26,850 78900 10 76 Ic
0.01 is
0 39 is - 10 35 s 0.00 --
-- - ---
10.76
500 36,260 790.00 12 34 is
0.01 is
0 17 is --- 12.14s 66.60 ---
-- -- ---
78.92

Pond Report 11
Hydraf)ow Hydrographs Extension for AutoCAD® Civil 3D02016 by Autodesk, Inc v10.5 Wednesday, 05 1 3 1 2017
Pond No. 3 - Wet Pond #300
t Pond Data
Contours -User-defined contour areas Conic method used for volume calculation. Begining Elevation = 769.00 ft
Stage 1 Storage Table
Stage (ft) Elevation (ft) Contour area (scift) Incr. Storage (cult) Total storage (tuft)
0.00
76900
9,828
0
0
0.50
769.50
10,985
5,200
5,200
1.00
770.00
11,662
5,660
10,860
2.00
771.00
13,060
12,353
23,214
300
772.00
14,514
13,779
36,993
4.00
77300
16,025
15,262
52,255
500
774.00
17,592
16,801
69,055
Culvert I Orifice Structures
Weir Structures
[A]
[B] [C]
[PrfRsr]
[A]
[B]
[C]
[D]
Rise (in) = 24.00
2.50 8.00
000
Crest Len (ft) = 1200
20.00
0.00
000
Span (in) = 24.00
250 1600
0.00
Crest El. (ft) = 772.00
77300
000
0.00
No. Barrels = 1
1 1
0
Weir Coeff. = 3.33
3.33
3.33
3.33
Invert El. (ft) = 769.00
76900 770.50 0.00
Weir Type = 1
Ciplti
---
---
Length (ft) = 46.14
0.50 0.50
0.00
Multi -Stage = Yes
No
No
No
Slope (%) = 217
0.00 0.00
n/a
N -Value = .013
013 .013
n/a
Orifice Coeff. = 0.60
060 0.60
0.60
Exfll.(in/hr) = 0.000 (by
Wet area)
Multi -Stage = nia
Yes Yes
No
TW Elev. (ft) = 0.00
Note CulverVOnfice outflows are analyzed under inlet (ic) and outlet (oc) control Weir risers checked for
orifice conditions (ic) and submergence (a)
Stage I Storage I Discharge Table
' Stage Storage Elevation
Clv A
CIV a
Clv C
PrfRsr Wr A Wr B
Wr C
Wr D
Exfil User
Total
ft tuft ft
cfs
cfs
cfs
cfs cfs cfs
cfs
cfs
cfs cfs
cfs
000 0 769.00
000
0.00
0.00
-- 0.00 0 00
---
---
-- ---
0 000
0.101
050 5,200 769.50
0.11 Ic
0.10 Ic
0 00
- 000 0.00
-
-
- -
0 151
1.00 10,860 77000
0.15 is
0 15 is
0.00
- 0.00 000
---
-
- -
1.803
200 23,214 771 00
1.81 is
0.20 to
1 60 to
--- 0.00 0.00
-
---
- ---
4.859
300 36,993 77200
4.87 is
0 24 is
4.62 is
- 0.00 0.00
---
__
- -
25.41
4.00 52,255 773.00
25 41 is
0.07 Ic
1.80 is
-- 23 54 s 000
-
-
- -
96.67
5.00 69,055 774.00
30.10 is
0.03 Ic
0 85 is
--- 29 19 s 66.60
---
--
- --

Pond Report 14
Hydraf low Hydrographs Extension for AutoCAD8 Civil 3D(92016 by Autodesk, Inc. v10 5 Wednesday, 05 / 312017
Pond No. 4 - Wet Pond #400
Pond Data
Contours -User-defined contour areas. Conic method used for volume calculation. Begining Elevation = 763.00 ft
Stage ! Storage Table
Stage (ft) Elevation (ft)
0.00 76300
0.50 76350
1.00 76400
2.00 765.00
3.00 766.00
400 76700
5.00 768.00
Contour area (sgft)
19,483
20,975
21,892
23,769
25,702
27,692
29,738
incr. Storage (cuft)
0
10,111
10,715
22,822
24,727
26,688
28,706
Total storage (cult)
0
10,111
20,826
43,648
68,375
95,063
123,769
Culvert ! Orifice Structures
Weir Structures
[A]
[B] [C]
[PrfRsr]
[A] [B]
[C] [D]
Rise (in) = 30.00
375 15.00
000
Crest Len (ft)
= 1600 20.00
0.00 0.00
Span (in) = 3000
3.75 48.00
0.00
Crest EI. (ft)
= 76600 76700
0.00 000
No. Barrels = 1
1 1
0
Weir Coeff.
= 3.33 333
3.33 3,33
Invert EI. (ft) = 763.00
76300 764.25 0.00
Weir Type
= 1 Ciplti
--- --
Length (ft) = 65.73
0.50 050
0.00
Multi -Stage
= Yes No
No No
Slope (%) = 1.52
000 000
n/a
N -Value = .013
.013 .013
n/a
Orifice Coeff. = 060
0.60 060
0.60
ExfII.(lnlhr)
= 0 000 (by Wet area)
Multi -Stage = n/a
Yes Yes
No
TW Elev. (ft)
= 0.00
Note Culvert/Orifice outflows are analyzed under inlet (ic) and outlet (cc)
control Weir risers checked for
orifice conditions (ic) and submergence (s)
Stage 1 Storage ! Discharge
Table
Stage Storage Elevation
Civ A
Civ B
CIV C
PrfRsr Wr A
Wr B Wr C
Wr D Exfil User Total
ft cult ft
cfs
cfs
cfs
cfs cfs
cfs cis
cfs cfs cfs cfs
0.00 0 76300
0 00
0.00
000
--- 000
000 --
- - - --- 0 000
050 10,111 76350
0.21 is
0.21 ic
0.00
--- 0.00
000 -
- - _ 0.212
1.00 20,826 764.00
0.35 lc
0.33 is
000
-- 000
0.00 ---
--- - -- 0.327
2.00 43,648 76500
9.27 is
0 32 lc
8 85 is
--- 0.00
000 --
-- - --- 9.170
3.00 68,375 766.00
22 52 lc
0.34 is
22 18 is - 000
0.00 --
- -- -- 22.52
4.00 95,063 767,00
38 17 is
0.14 is
9 07 is
--- 28-95s 0.00 -
--- -- -- 38.15
500 123,769 76800
45.50 is
0 08 is
5.03 is
--- 40.35s 66.60 --
-- --- - - 112.06

Hydrograph Summary Re p9yld aflow Hydrographs Extension for AutoCAD® Civil 3D® 2016 by Autodesk, Inc. v10.5
lyd.
40.
Hydrograph
type
(origin)
Peak
flow
(cfs)
Time
interval
(min)
Time to
Peak
(min)
Hyd.
volume
(cult)
Inflow
hyd(s)
Maximum
elevation
(ft)
Total
strge used
(cult)
Hydrograph
Description
1
SCS Runoff
6220
1
724
207,023
-----
-- -
-----
Pre -Development Area #1
2
SCS Runoff
10.39
1
716
18,192
_____
------
Post -Development Area#1
3
Reservoir
0.200
1
953
13,593
2
766.65
12,305
Wet Pond #100
4
SCS Runoff
8.375
1
719
18,125
------
---
------
Post -Development Area#2
5
Reservoir
0.362
1
842
14,566
4
78675
9,811
Wet Pond #200
6
SCS Runoff
19 87
1
718
39,891
--- -
-----
---
Post -Development Area #3
7
Reservoir
1 075
1
786
34,934
6
770,83
21,155
Wet Pond #300
8
SCS Runoff
4153
1
718
83,673
----
---
-----
Post -Development Area #4
9
Reservoir
5.523
1
734
78,416
8
764.77
38,499
Wet Pond #400
10
SCS Runoff
44.61
1
724
145,714
-----
----
------
Post -Development Area Bypass #5
11
Combine
49.60
1
724
287,223
3, 5, 7,
----
---
Post -Development Area
9,10
Pre VS Post.gpw
Return Period: 2 Year
Wednesday, 05/3/2017

Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D® 2016 by Autodesk, Inc. v10.5 Wednesday, 05 / 3 / 2017
Hyd. No. 1
Pre -Development Area #1
Hydrograph type
= SCS Runoff
Peak discharge
= 62.20 cfs
Storm frequency
= 2 yrs
Time to peak
= 12.07 hrs
Time interval
= 1 min
Hyd. volume
= 207,023 cuft
Drainage area
= 87.090 ac
Curve number
= 61.4
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 14.50 min
Total precip.
= 3.64 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Q (cfs)
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0 00
Pre -Development Area #1
Hyd. No. 1 — 2 Year
Q (cfs)
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
Hyd No. 1

3
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCADO Civil 3DO 2016 by Autodesk, Inc. v10 5 Wednesday, 05 / 3 12017
Hyd. No. 2
Post -Development Area #1
Hydrograph type
= SCS Runoff
Peak discharge
= 10.39 cfs
Storm frequency
= 2 yrs
Time to peak
= 11.93 hrs
Time interval
= 1 min
Hyd. volume
= 18,192 cuft
Drainage area
= 3.260 ac
Curve number
= 78.5
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 2.40 min
Total precip.
= 3.64 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Post -Development Area #1
Q (cfs) Hyd. No. 2 — 2 Year Q (cfs)
12.00 12.00
10.00 10.00
8.00 800
6.00 6.00
4.00 4.00
2.00 2.00
0.00 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24
Hyd No. 2 Time (hrs)

4
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D@ 2016 by Autodesk, Inc. v10 5
Wednesday, 05 / 3 12017
Hyd. No. 3
Wet Pond #100
Hydrograph type
= Reservoir Peak discharge
= 0.200 cfs
Storm frequency
= 2 yrs Time to peak
= 15.88 hrs
Time interval
= 1 min Hyd. volume
= 13,593 cuft
Inflow hyd. No.
= 2 - Post -Development Area #Max. Elevation
= 766.65 ft
Reservoir name
= Wet Pond #100 Max. Storage
= 12,305 cuft
Storage Indication method used
Q (Cfs) Wet Pond #100 Q (efs)
Hyd- No. 3 — 2 Year
12.00 - - 12.00
10.00 - 10.00
800 - 8.00
6.00 - 6.00
4.00 - 4.00
2.00- 2.00
0.00 0.00
0 5 10 15 20 25 30 35 40 45 50
Time (hrs)
— Hyd No. 3 Hyd No 2 Total storage used = 12,305 cuft

6
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAM Civil 3M 2016 by Autodesk, Inc. v10.5 Wednesday, 05 / 3 / 2017
Hyd. No. 4
Post -Development Area #2
Hydrograph type
= SCS Runoff
Peak discharge
= 8.375 cfs
Storm frequency
= 2 yrs
Time to peak
= 11.98 hrs
Time interval
= 1 min
Hyd. volume
= 18,125 cuft
Drainage area
= 5.010 ac
Curve number
= 68.7
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 8.10 min
Total precip.
= 3.64 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Q (cfs)
10.00
Am
Am
4.00
2.00
0.00
0 2 4 6
® Hyd No. 4
Post -Development Area #2
Hyd. No. 4 — 2 Year
Q (cfs)
10.00
H. Q
. ff
4.00
2.00
l 1 'z I I i I I 1 0.00
8 10 12 14 16 18 20 22 24 26
Time (hrs)

7
�Iydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3DQD 2016 6y Autodesk, Inc. v10.5
Wednesday, 05 1 3 12017
Hyd. No. 5
Wet Pond #200
Hydrograph type
= Reservoir Peak discharge
= 0.362 cfs
Storm frequency
= 2 yrs Time to peak
= 14.03 hrs
Time interval
= 1 min Hyd. volume
= 14,566 cuft
Inflow hyd. No.
= 4 - Post -Development Area #PAax. Elevation
= 786.75 ft
Reservoir name
= Wet Pond #200 Max. Storage
= 9,811 cuft
Storage Indication method used.
Q (cfs)
10.00
m
NMI
0 00
Wet Pond #200
Hyd No. 5 — 2 Year
Q (cfs)
10.00
0.1 1IM111111111111111
4.00
2.00
U2,
0 5 10 15 20 25 30 35 40 45 50
Time (hrs)
Hyd No_ 5 — Hyd No. 4 Total storage used = 9,811 cult

9
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D@ 2016 by Autodesk, Inc v10 5 Wednesday, 05 1 3 1 2017
Hyd. No. 6
Post -Development Area #3
Hydrograph type
= SCS Runoff
Peak discharge
= 19.87 cfs
Storm frequency
= 2 yrs
Time to peak
= 11.97 hrs
Time interval
= 1 min
Hyd. volume
= 39,891 cuft
Drainage area
= 7.130 ac
Curve number
= 76.4
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 5.20 min
Total precip.
= 3.64 in
Distribution
= Type 11
Storm duration
= 24 hrs
Shape factor
= 484
Q (Cfs) Post -Development Area #3 Q (Cfs)
Hyd. No. 6 2 Year
21.00 21.00
1800 18.00
1500 15.00
12.00 12.00
900 9.00
6.00 6.00
3.00 - 3-00
000 - 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
- Hyd No. 6

10
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCADO Civil 3DO 2016 by Autodesk, Inc v10.5
Wednesday, 05 / 3 / 2017
Hyd. No. 7
Wet Pond #300
Hydrograph type
= Reservoir Peak discharge
= 1.075 cfs
Storm frequency
= 2 yrs Time to peak
= 13.10 hrs
Time interval
= 1 min Hyd. volume
= 34,934 cuft
Inflow hyd. No.
= 6 - Post -Development Area #BAax. Elevation
= 770.83 ft
Reservoir name
= Wet Pond #300 Max. Storage
= 21,155 cuft
Storage Indication method used.
Q (cfs
21.00
18.00
15.00
12.00
MW
M
3.00
Wet Pond #300
Hyd. No. 7 -- 2 Year
Q (cfs)
21.00
18.00
15.00
12.00
•0
we]
3.00
0.00 - 1 0.00
0 5 10 15 20 25 30 35 40 45 50
Time (hrs)
Hyd No 7 - Hyd No. 6 [E[_= Total storage used = 21,155 cuft

Hydrograph Report
Hydraflow Hydrographs Extension for AutoCADO Civil 3D0 2016 by Autodesk, Inc. A G.5 Wednesday, 05 / 3 / 2017
Hyd. No. 8
Post -Development Area #4
Hydrograph type
= SCS Runoff
Peak discharge
= 41.53 cfs
Storm frequency
= 2 yrs
Time to peak
= 11.97 hrs
Time interval
= 1 min
Hyd. volume
= 83,673 cuft
Drainage area
= 12.840 ac
Curve number
= 79.9
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 5.20 min
Total precip.
= 3.64 in
Distribution
= Type 11
Storm duration
= 24 hrs
Shape factor
= 484
0 (Cfs) Post -Development Area #4 Q (Cfs)
Hyd. No- 8 – 2 Year
50.00 50.00
40.00 40.00
30.00 3000
20.00 20.00
10.00 10.00
0.00 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
— Hyd No. 8

Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D@2016 by Autodesk, Inc v10.5
f Hyd. No. 9
Wet Pond #400
Hydrograph type
= Reservoir Peak discharge
Storm frequency
= 2 yrs Time to peak
Time interval
= 1 min Hyd. volume
Inflow hyd. No.
= 8 - Post -Development Area ##Irlax. Elevation
Reservoir name
= Wet Pond #400 Max. Storage
Storage Indication method used
Q (cfs
50.00
4000
20.00
1000
Wet Pond #400
Hyd. No. 9 -- 2 Year
Wednesday, 05 1 3 12017
= 5.523 cfs
= 12.23 hrs
= 78,416 cuft
= 764.77 ft
= 38,499 cuft
Q (cfs)
50.00
eom
30.00
20.00
10.00
0
0.00 .00
0 5 10 15 20 25 30 35 40 45 50
Time (hrs)
Hyd No. 9 - Hyd No. 8Total storage used = 38,499 cuft

15
Hydrograph Repoft
Hydraflow Hydrographs Extension for AutoCAD® Civil 3DOO 2016 by Autodesk, Inc. v10 5 Wednesday, 05 1 3 12017
Hyd. No. 10
Post -Development Area Bypass #5
Hydrograph type
= SCS Runoff
Peak discharge
= 44.61 cfs
Storm frequency
= 2 yrs
Time to peak
= 12.07 hrs
Time interval
= 1 min
Hyd. volume
= 145,714 cuft
Drainage area
= 58.840 ac
Curve number
= 62
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 14.50 min
Total precip.
= 3.64 in
Distribution
= Type I!
Storm duration
= 24 hrs
Shape factor
= 484
Q (Cfs)
5000
4000
30.00
20.00
K111Zl
0 00
Post -Development Area Bypass #5
Hyd. No. 10 -- 2 Year
Q (Cfs)
50.00
40.00
30.00
20.00
10.00
0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
Hyd No. 10

Hydrograph
Report
16
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D@ 2016 by Autodesk, Inc v10 5
Wednesday, 05 13 12017
Hyd. No. 11
Post -Development Area
Hydrograph type
= Combine
Peak discharge
= 49.60 cfs
Storm frequency
= 2 yrs
Time to peak
= 12.07 hrs
Time interval
= 1 min
Hyd. volume
= 287,223 cuft
Inflow hyds.
= 3, 5, 7, 9, 10
Contrib. drain. area
= 58.840 ac
Post -Development Area
Q (cfs) Hyd. No. 11 -- 2 Year Q (cfs)
50.00 50.00
40.00 40.00
30.00 30.00
20.00 20.00
10.00 10.00
o.o0 0.00
0 4 8 12 16 20 24 28 32 36 40
Hyd No. 11 Hyd No. 3 ® Hyd No. 5 - Hyd No. 7 Time (hrs)
Hyd No. 9 Hyd No. 10

Hydrograph Summary Repfr�
ydraflow Hydrographs Extension for AutoCADO Civil 3D®2016 by Autodesk, Inc. v10.5
Hyd.
No,
Hydrograph
type
(origin)
Peak
flow
WS)
Time
interval
(min)
Time to
Peak
(min)
Hyd.
volume
(cuft)
Inflow
hyd(s)
Maximum
elevation
(ft)
Total
strge used
(cuft)
Hydrograph
Description
1
SCS Runoff
179.33
1
723
506,177
------
-----
--
Pre -Development Area #1
2
SCS Runoff
18.82
1
715
33,735
---
--
------
Post -Development Area #1
3
Reservoir
0.799
1
784
28,814
2
767.40
19,160
Wet Pond #100
4
SCS Runoff
18.29
1
719
38,577
---
— --
----
Post -Development Area #2
5
Reservoir
1.766
1
750
34,884
4
78784
17,447
Wet Pond #200
6
SCS Runoff
3742
1
718
75,971
----
------
- -
Post -Development Area #3
7
Reservoir
4.686
1
736
70,698
6
771.92
35,850
Wet Pond #300
8
SCS Runoff
7419
1
718
152,518
----
------
------
Post -Development Area #4
9
Reservoir
21 74
1
725
146,987
8
765.89
65,714
Wet Pond #400
10
SCS Runoff
12515
1
723
351,578
- --
--- -
------
Post -Development Area Bypass #5
11
Combine
153.18
1
723
632,962
3, 5, 7,
-----
--
Post -Development Area
9, 10
Pre VS Post.gpw
Return Period: 10 Year
Wednesday, 0513 / 2017

18
Hydr®graph Report
Hydraflow Hydrographs Extension for AutoCADO Civil 3D0 2016 by Autodesk, Inc. v10.5 Wednesday, 05 / 3 / 2017
Hyd. No. 1
Pre -Development Area #1
Hydrograph type
= SCS Runoff
Peak discharge
= 179.33 cfs
Storm frequency
= 10 yrs
Time to peak
= 12.05 hrs
Time interval
= 1 min
Hyd. volume
= 506,177 cuft
Drainage area
= 87.090 ac
Curve number
= 61.4
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 14.50 min
Total precip.
= 5.33 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Pre -Development Area #1
Q (cfs) Hyd. No. 1 — 10 Year Q (cfs)
180.00
---,50-00
120.00
90.00
60.00
30.00
0 00
180.00
150.00
120.00
90.00
60.00
30.00
0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Hyd No. 1 Time (hrs)

19
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D@2016 by Autodesk, Inc v10 5 Wednesday, 05 / 3 12017
Hyd. No. 2
Post -Development Area #1
Hydrograph type
= SCS Runoff
Peak discharge
= 18.82 cfs
Storm frequency
= 10 yrs
Time to peak
= 11.92 hrs
Time interval
= 1 min
Hyd. volume
= 33,735 cuft
Drainage area
= 3.260 ac
Curve number
= 78.5
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 2.40 min
Total precip.
= 5.33 in
Distribution
= Type Il
Storm duration
= 24 hrs
Shape factor
= 484
Post -Development Area #1
Q (cfs) Hyd. No. 2 -- 10 Year Q (cfs)
21.00 21.00
18.00 18.00
15.00 15.00
12.00 12.00
9.00 9.00
6.00 6.00
3.00 3.00
0.00 0.00
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0
Time (hrs)
Hyd No. 2

Storage Indication method used.
Wet Pond #100
Q (Cfs) Hyd. No. 3 —10 Year Q (Cfs)
21.00 21.00
18.00 - - 18.00
15.00 - - 15.00
12.00 12.00
9.00 - 9.00
6.00- 6.00
3.00 - 3.00
n nn 0.00
0 5 10 15 20 25 30 35 40 45 50
Time (hrs)
- Hyd No. 3 - Hyd No. 2 Total storage used = 19,160 cuft
20
Hydrograph
Report
Hydraflow Hydrographs Extension for AutoCAD@ Civil 3DO 2016 by Autodesk, Inc v10 5
Wednesday, 05 13 12017
Hyd. No. 3
Wet Pond #100
Hydrograph type
= Reservoir
Peak discharge
= 0.799 cfs;
Storm frequency
= 10 yrs
Time to peak
= 13.07 hrs
Time interval
= 1 min
Hyd. volume
= 28,814 cuft
Inflow hyd. No.
= 2 - Post -Development
Area #Max. Elevation
= 767.40 ft
Reservoir name
= Wet Pond #100
Max. Storage
= 19,160 cuft
Storage Indication method used.
Wet Pond #100
Q (Cfs) Hyd. No. 3 —10 Year Q (Cfs)
21.00 21.00
18.00 - - 18.00
15.00 - - 15.00
12.00 12.00
9.00 - 9.00
6.00- 6.00
3.00 - 3.00
n nn 0.00
0 5 10 15 20 25 30 35 40 45 50
Time (hrs)
- Hyd No. 3 - Hyd No. 2 Total storage used = 19,160 cuft

21
Hyd rograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D@ 2016 by Autodesk, Inc v10 5 Wednesday, 05 / 3 / 2017
Hyd. No. 4
Post -Development Area #2
Hydrograph type
= SCS Runoff
Peak discharge
= 18.29 cfs
Storm frequency
= 10 yrs
Time to peak
= 11.98 hrs
Time interval
= 1 min
Hyd. volume
= 38,577 cuft
Drainage area
= 5.010 ac
Curve number
= 68.7
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 8.10 min
Total precip.
= 5.33 in
Distribution
= Type 11
Storm duration
= 24 hrs
Shape factor
= 484
Post -Development Area #2 Q (Cfs)
Q (Cfs) Hyd. No. 4 -10 Year
21.00 21.00
18.00 18.00
1
15.00 5.00
12.00 12.00
9.00 9.00
6.00 - 6.00
3.00 3.00
0.00
000 0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
— Hyd No. 4

22
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D@ 2016 by Autodesk, Inc v10 5
Wednesday, 05 / 3 / 2017
Hyd. No. 5
Wet Pond #200
Hydrograph type
= Reservoir Peak discharge
= 1.766 cfs
Storm frequency
= 10 yrs Time to peak
= 12.50 hrs
Time interval
= 1 min Hyd. volume
= 34,884 cuft
Inflow hyd. No.
= 4 - Post -Development Area #14ax. Elevation
= 787.84 ft
Reservoir name
= Wet Pond #200 Max. Storage
= 17,447 cuft
Storage Indication method used.
Q (Cfs)
21.00
1800
15.00
12.00
MON
M1
3.00
Wet Pond #200
Hyd. No 5 --10 Year
Q (Cfs)
21.00
18.00
15.00
12.00
Mrs,
MX
3.00
0
0.00 .00
0 5 10 15 20 25 30 35 40 45 50
-
Time (hrs)
Hyd No. 5 - Hyd No 4 Total storage used = 17,447 cuft

23
Hydr®graph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D® 2016 by Autodesk, Inc. v10.5 Wednesday, 05 / 3 / 2017
Hyd. No. 6
Post -Development Area #3
Hydrograph type
= SCS Runoff
Peak discharge
= 37.42 cfs
Storm frequency
= 10 yrs
Time to peak
= 11.97 hrs
Time interval
= 1 min
Hyd. volume
= 75,971 cuft
Drainage area
= 7.130 ac
Curve number
= 76.4
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 5.20 min
Total precip.
= 5.33 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Post -Development Area #3
Q (cfs) Hyd. No. 6 —10 Year
40.00
30.00
20.00
10.00
0 00
Q (cfs)
40.00
30.00
2000
10.00
M
0 2 4 6 8 10 12 14 16 18 20 22 24
Time (hrs)
Hyd No. 6

Hydrograph Report
Hydraflow Hydrographs Extension for AutoCADO Civil 3D@ 2016 by Autodesk, Inc. v10.5
Hyd. No. 7
Wet Pond #300
Hydrograph type
= Reservoir Peak discharge
Storm frequency
= 10 yrs Time to peak
Time interval
= 1 min Hyd. volume
Inflow hyd. No.
= 6 - Post -Development Area #911ax. Elevation
Reservoir name
= Wet Pond #300 Max. Storage
Storage Indication method used.
24
Wednesday, 05 / 3 / 2017
= 4.686 cfs
= 12.27 hrs
= 70,698 cuft
= 771.92 ft
= 35,850 cuft
Q (Cfs) Wet Pond #300 Q (Cfs)
Hyd. No. 7 — 10 Year
40.00 40.00
30.00 30.00
20.00 20.00
10.00 10.00
0.00 __—Also — 0.00
05 10 15 20 25 30 35 40 45 50
Time (hrs)
— Hyd No- 7 Hyd No. 6 Total storage used = 35,850 cuft

Hydr®graph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D@2016 by Autodesk, Inc. v10 5 Wednesday, 0513 / 2017
Hyd. No. 8
Post -Development Area #4
Hydrograph type
= SCS Runoff
Peak discharge
= 74.19 cfs
Storm frequency
= 10 yrs
Time to peak
= 11.97 hrs
Time interval
= 1 min
Hyd. volume
= 152,518 cuft
Drainage area
= 12.840 ac
Curve number
= 79.9
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 5.20 min
Total precip.
= 5.33 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Post -Development Area #4
Q (cfs) Hyd. No 8 -- 10 Year Q (cfs)
80.00 80.00
70.00 70.00
60.00-� 60.00
50.00 50.00
40.00 4000
30.00 30.00
2000 20.00
10.00 __._. __. _ _ 10.00
000 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24
Time (hrs)
Hyd No. 8

Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAM Civil 3DB? 2016 by Autodesk, Inc. 00.5
Wednesday, 05 / 3 / 2017
Hyd. No. 9
Wet Pond #400
Hydrograph type
= Reservoir Peak discharge
= 21.74 cfs
Storm frequency
= 10 yrs Time to peak
= 12.08 hrs
Time interval
= 1 min Hyd. volume
= 146,987 cuft
Inflow hyd. No.
= 8 - Post -Development Area #Max. Elevation
= 765.89 ft
Reservoir name
= Wet Pond #400 Max. Storage
= 65,714 cuft
Storage Indication method used
Q (Cfs) Wet Pond #400 Q (Cfs)
Hyd. No. 9 — 10 Year
80.00 80.00
70.00 70.00
60.00 [E --EE 60.00
5
50.00 0.00
40.00 40.00
MOO 30.00
20.00 20.00
10.00 10.00
0.00 - 0.00
0 4 8 12 16 20 24 28 32 36 40 44
Time (hrs)
® Hyd No. 9 ® Hyd No. 8 TTTTM Total storage used = 65,714 cuft

27
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D® 2016 by Autodesk, Inc. v10 5 Wednesday, 05 / 3 / 2017
Hyd. No. 10
Post -Development Area Bypass #5
Hydrograph type
= SCS Runoff
Peak discharge
= 125.15 cfs
Storm frequency
= 10 yrs
Time to peak
= 12.05 hrs
Time interval
= 1 min
Hyd. volume
= 351,578 cuft
Drainage area
= 58.840 ac
Curve number
= 62
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 14.50 min
Total precip.
= 5.33 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Post -Development Area Bypass #5
Q (cfs) Hyd. No 10 -- 10 Year Q (cfs)
140.00 0
120.00
10000
8000
6000
40.00
20.00
0 00
140.0
120.00
100.00
80.00
60.00
40.00
20.00
0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
Hyd No. 10

Hydr®graph Report
28
Hydraflow Hydrographs Extension for AutoCADO Civil 3DO 2016 by Autodesk, Inc v10.5
Hyd. No. 11
Post -Development Area
Hydrograph type = Combine Peak discharge
Storm frequency = 10 yrs Time to peak
Time interval = 1 min Hyd. volume
Inflow hyds. = 3, 5, 7, 9, 10 Contrib. drain. area
Wednesday, 05 / 3 12017
= 153.18 cfs
= 12.05 hrs
= 632,962 cuft
= 58.840 ac
Q (cfs)
Post -Development Area
Hyd. No. 11 --10 Year
Q (cfs)
160.00
16000
-
-
'40.00
_
14000
120.00
120.00
- ��-
_-�
�.�
.��
100.00
100.00
80.00
�.�
80.00
60.00
60.00
40.00
40.00
2000
20.00
0.00
0 2 4 6 8 10 12 14 16 18 20
Hyd No. 11 Hyd No. 3 Hyd No. 5 -
Hyd No. 9 - Hyd No 10
22 24 26
Hyd No. 7 Time
0.00
(hrs)

Hydrograph Summary Re p9y1d aflow Hydrographs Extension for AutoCADO Civil 3D® 2016 by Autodesk, Inc. 00.5
lyd.
lo.
Hydrograph
type
(origin)
Peak
flow
(cfs)
Time
interval
(min)
Time to
Peak
(min)
Hyd.
volume
(tuft)
Inflow
hyd(s)
Maximum
elevation
(ft)
Total
strge used
(cuft)
Hydrograph
Description
1
SCS Runoff
336.20
1
722
915,254
-----
--- —
-- -
Pre -Development Area #1
2
SCS Runoff
28.62
1
715
52,379
------
----
------
Post -Development Area #1
3
Reservoir
3.317
1
729
47,229
2
76819
27,279
Wet Pond #100
4
SCS Runoff
3081
1
718
64,810
- --
------
------
Post -Development Area #2
5
Reservoir
1053
1
726
61,040
4
78888
25,857
Wet Pond #200
6
SCS Runoff
57.96
1
717
119,810
------
------
------
Post -Development Area#3
7
Reservoir
24.50
1
723
114,355
6
772.87
50,236
Wet Pond #300
8
SCS Runoff
111.94
1
717
234,437
--___
____
-----_
Post -Development Area #4
9
Reservoir
40.04
1
724
228,745
8
767.06
96,878
Wet Pond #400
10
SCS Runoff
232.39
1
722
631,438
-- -
---
--
Post -Development Area Bypass #5
11
Combine
309.74
1
723
1,082,817
3, 5, 7,
------
------
Post -Development Area
9,10
Pre VS Post_gpw
Return Period: 50 Year Wednesday, 0513 / 2017

30
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCADO Civil 3DO 2016 by Autodesk, Inc v10 5 Wednesday, 05 / 3 / 2017
Hyd. No. I
Pre -Development Area #1
Hydrograph type
= SCS Runoff
Peak discharge
= 336.20 cfs
Storm frequency
= 50 yrs
Time to peak
= 12.03 hrs
Time interval
= 1 min
Hyd. volume
= 915,254 cult
Drainage area
= 87.090 ac
Curve number
= 61.4
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 14.50 min
Total precip.
= 7.21 in
Distribution
= Type 11
Storm duration
= 24 hrs
Shape factor
= 484
Pre -Development Area #1
Q (cfs) Hyd. No. 1 — 50 Year Q (cfs)
350.00
.00.00
250.00
200.00
150.00
10000
50.00
0 00
350.00
300.00
250.00
200.00
15000
100.00
50.00
0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
Hyd No. 1

31
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D® 2016 by Autodesk, Inc v10 5 Wednesday, 05 13 12017
Hyd. No. 2
Post -Development Area #1
Hydrograph type
= SCS Runoff
Peak discharge
= 28.62 cfs
Storm frequency
= 50 yrs
Time to peak
= 11.92 hrs
Time interval
= 1 min
Hyd. volume
= 52,379 cuft
Drainage area
= 3.260 ac
Curve number
= 78.5
Basin Slope
= 0.0%
Hydraulic length
= Oft
Tc method
= User
Time of conc. (Tc)
= 2.40 min
Total precip.
= 7.21 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Post -Development Area #1
Q (cfs) Hyd. No. 2 — 50 Year Q (cfs)
3000 30.00
2500 25.00
2000 20.00
15.00 15.00
10.00 10.00
5.00 5.00
0.00 0.00
0.0 20 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0
Hyd No. 2 Time (hrs)

32
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D(&2016 by Autodesk, Inc v10 5
Wednesday, 05 / 3 / 2017
Hyd. No. 3
Wet Pond #100
Hydrograph type
= Reservoir Peak discharge
= 3.317 cfs
Storm frequency
= 50 yrs Time to peak
= 12.15 hrs
Time interval
= 1 min Hyd. volume
= 47,229 cuft
Inflow hyd. No.
= 2 - Post -Development Area #Max. Elevation
= 768.19 ft
Reservoir name
= Wet Pond #100 Max. Storage
= 27,279 cuft
Storage Indication method used.
Wet Pond #100
Q (cfs) Hyd. No. 3 — 50 Year Q (cfs)
3000 30.00
25.00 25.00
20.00 20.00
1500 15.00
1000 1000
5.00 5.00
0.00 0.00
0 5 10 15 20 25 30 35 40 45 50
Time (hrs)
Hyd No 3 Hyd No. 2 Total storage used = 27,279 cuff

33
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D02016 by Autodesk, Inc 00.5 Wednesday, 05 13 / 2017
Hyd. No. 4
Post -Development Area #2
Hydrograph type
= SCS Runoff
Peak discharge
= 30.61 cfs
Storm frequency
= 50 yrs
Time to peak
= 11.97 hrs
Time interval
= 1 min
Hyd. volume
= 64,810 cuft
Drainage area
= 5.010 ac
Curve number
= 68.7
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 8.10 min
Total precip.
= 7.21 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Post -Development Area #2
Q (cfs) Q (cfs)
Hyd. No. 4 -- 50 Year
35.00
30.00
25.00
20.00
1500
10.00
5.00
0 00
35.00
30.00
2500
2000
15.00
10.00
5.00
000
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Hyd No. 4 Time (hrs)

34
Hydraflow Hydrographs Extension for AutoCADO Civil 3D@2016 by Autodesk, Inc. 00.5
Wednesday, 05 / 3 / 2017
Hyd. No. 5
Wet Pond #200
Hydrograph type
= Reservoir Peak discharge
= 10.53 cfs
Storm frequency
= 50 yrs Time to peak
= 12.10 hrs
Time interval
= 1 min Hyd. volume
= 61,040 cuft
Inflow hyd. No.
= 4 - Post -Development Area #BAax. Elevation
= 788.88 ft
Reservoir name
= Wet Pond #200 Max. Storage
= 25,857 cuft
Storage Indication method used
Wet Pond #200
Q (cfs) Hyd. No 5 — 50 Year Q (cfs)
35.00 35.00
30.00 -- 30.00
25.00 — - -- ---- — 25.00
20.00 ---- --- ------ — - 20.00
15.00 T 15.00
10.00 10.00
5.00 ^--------- ------ --- 5.00
0.00 -- - --- -- -------- ---- 000
0 3 6 9 12 15 18 21 24 27
Time (hrs)
Hyd No. 5 Hyd No. 4 Total storage used = 25,857 cult

35
Hydr®graph Report
HydraFlow Hydrographs Extension for AutoCADO Civil 3DO 2016 by Autodesk, Inc. v10.5 Wednesday, 05 / 3 / 2017
Hyd. No. 6
Post -Development Area #3
Hydrograph type
= SCS Runoff
Peak discharge
= 57.96 cfs
Storm frequency
= 50 yrs
Time to peak
= 11.95 hrs
Time interval
= 1 min
Hyd. volume
= 119,810 cuft
Drainage area
= 7.130 ac
Curve number
= 76.4
Basin Slope
= 0.0%
Hydraulic length
= Oft
Tc method
= User
Time of conc. (Tc)
= 5.20 min
Total precip.
= 7.21 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Post -Development Area #3
Q (cfs) Hyd. No. 6 - 50 Year
60.00
50.00
40.00
30.00
20.00
10.00
Q (cfs)
60.00
50.00
40.00
30.00
20.00
10.00
MO
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0
Hyd No. 6 Time (hrs)

36
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 300 2016 by Autodesk, Inc v10.5
Wednesday, 05 / 3 / 2017
Hyd. No. 7
Wet Pond #300
Hydrograph type
= Reservoir Peak discharge
= 24.50 cfs
Storm frequency
= 50 yrs Time to peak
= 12.05 hrs
Time interval
= 1 min Hyd. volume
= 114,365 cuft
Inflow hyd. No.
= 6 - Post -Development Area #a1ax. Elevation
= 772.87 ft
Reservoir name
= Wet Pond #300 Max. Storage
= 50,236 cuft
Storage Indication method used.
Q (cfs
60.00
' 50.00
1 1n
30.00
20.00
10.00
Wet Pond #300
Hyd. No, 7 -- 50 Year
0.00
0 2 4
Hyd No. 7
Q (cfs)
60.00
5000
40.00
30.00
20.00
10.00
Werri
6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
® Hyd No. 6 [CL= Total storage used = 50,236 cult

Hydrograph Report
Hydraflow Hydrographs Extension for AutoCADO Civil 3DO 2016 by Autodesk, Inc v10 5 Wednesday, 05 13 / 2017
Hyd. No. 8
Post -Development Area #4
Hydrograph type
= SCS Runoff
Peak discharge
= 111.94 cfs
Storm frequency
= 50 yrs
Time to peak
= 11.95 hrs
Time interval
= 1 min
Hyd. volume
= 234,437 cuft
Drainage area
= 12.840 ac
Curve number
= 79.9
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 5.20 min
Total precip.
= 7.21 in
Distribution
= Type 11
Storm duration
= 24 hrs
Shape factor
= 484
Q (Cfs) Post -Development Area #4 Q WS)
Hyd. No. 8 — 50 Year
120.00 120.00
.00.00 100.00
80.00 8000
60.00 60-00
40.00 40.00
20.00 20.00
0.00 0.00
0.0 2.0 40 6.0 8.0 10.0 12.0 140 16.0 18.0 20.0 22.0
— Hyd No 8 Time (hrs)

Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD© Civil 3D® 2016 by Autodesk, Inc v10 5
Wednesday, 05 / 3 1 2017
Hyd. No. 9
Wet Pond #400
Hydrograph type
= Reservoir Peak discharge
= 40.04 cfs
Storm frequency
= 50 yrs Time to peak
= 12.07 hrs
Time interval
= 1 min Hyd. volume
= 228,745 cuft
Inflow hyd. No.
= 8 - Post -Development Area #Max. Elevation
= 767.06 ft
Reservoir name
= Wet Pond #400 Max. Storage
= 96,878 cuft
Storage Indication method used
Q (cfs
120.00
rls18
40.00
20.00
WANTu
-- 0 3
Hyd No. 9
Wet Pond #400
Hyd No. 9 -- 50 Year
6 9 12 15 18 21 24
Hyd No. 8 Total storage used = 96,878 cuft
Q (cfs)
12000
100.00
40.00
20.00
27
Time (hrs)

39
Hydr®graph Report
Hydraflow Hydrographs Extension for AutoCADOO Civil 3D® 2016 by Autodesk, Inc. v10.5 Wednesday, 05 13 / 2017
Hyd. No. 10
Post -Development Area Bypass #5
Hydrograph type
= SCS Runoff
Peak discharge
= 232.39 cfs
Storm frequency
= 50 yrs
Time to peak
= 12.03 hrs
Time interval
= 1 min
Hyd. volume
= 631,438 cuft
Drainage area
= 58.840 ac
Curve number
= 62
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 14.50 min
Total precip.
= 7.21 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Post -Development Area Bypass #5
Q (cfs) Hyd. No. 10 -- 50 Year Q (cfs)
240.00
1000
180.00
150.00
120.00
90.00
6000
3000
0 00
240 00
210.00
18000
150.00
120.00
90.00
60.00
3000
0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
Hyd No. 10

M,
Hydrograph Report
HydraflowHydrographs Extension for AutoCAD® Civil 3D® 2016 by Autodesk, Inc. v10 5
Wednesday, 05 13 / 2017
Hyd. No. 11
Post -Development Area
Hydrograph type =
Combine
Peak discharge
= 309.74 cfs
Storm frequency =
50 yrs
Time to peak
= 12.05 hrs
Time interval =
1 min
Hyd. volume
= 1,082,817 cuft
Inflow hyds. =
3, 5, 7, 9, 10
Contrib. drain. area
= 58.840 ac
Q (Cfs) Post -Development Area Q (Cfs)
Hyd. No. 11 --50 Year
320.00 320.00
BO 00 28000
240.00 24000
200.00 200.00
160.00 160.00
120.00 120.00
80.00 80.00
40.00 40.00
0.00 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
— Hyd No. 11 — Hyd No. 3 — Hyd No. 5 — Hyd No. 7
— Hyd No 9 — Hyd No. 10

4
Hydrograph Summary Re p9ytl aflow Hydrographs Extension for AutoCAD® Civil 3D02016 by Autodesk, Inc 00.5
iyd.
Hydrograph
Peak
Time
Time to
Hyd.
Inflow
Maximum
Total
Hydrograph
do.
type
flow
interval
Peak
volume
hyd(s)
elevation
strge used
Description
(origin)
(cfs)
(min)
(min)
(cuft)
(ft)
(cult)
1
SCS Runoff
41625
1
722
1,124,979
------
- --
------
Pre-DevelopmentArea #1
2
SCS Runoff
33.23
1
715
61,384
------
----
------
Post -Develop ment Area #1
3
Reservoir
8.943
1
721
56,159
2
768.48
30,553
Wet Pond #100
4
SCS Runoff
36.67
1
718
77,871
------
------
------
Post-DevelopmentArea #2
5
Reservoir
20,39
1
724
74,075
4
78927
29,339
Wet Pond #200
6
SCS Runoff
6778
1
717
141,105
---
---
-----
Post- Deve lopme nt Area #3
7
Reservoir
3562
1
723
135,607
6
773.26
56,571
Wet Pond #300
8
SCS Runoff
129 69
1
717
273,862
------
------
------
Post -Development Area 44
Reservoir
767.45
107,987
9
61.96
1
723
268,113
8
Wet Pond #400
10
SCS Runoff
286.91
1
722
774,535
------
— —
--
Post -Development Area Bypass #5
11
Combine
412.01
1
723
1,308,490
3, 5, 7,
------
- ----
Post -Development Area
9,10
Pre VS Post.gpw
Return Period: 100 Year
Wednesday, 05 / 312017

42
Hydr®graph Report
Hydraflow Hydrographs Extension for AutoCADO Civil 3DO 2016 by Autodesk, Inc v10.5 Wednesday, 05 / 3 / 2017
Hyd. No. 1
Pre -Development Area #1
Hydrograph type
= SCS Runoff
Peak discharge
= 416.25 cfs
Storm frequency
= 100 yrs
Time to peak
= 12.03 hrs
Time interval
= 1 min
Hyd. volume
= 1,124,979 cuft
Drainage area
= 87.090 ac
Curve number
= 61.4
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 14.50 min
Total precip.
= 8.09 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Q (cfs
420.00
30000
24000
1 414
120.00
Pre -Development Area #1
Hyd. No. 1 — 100 Year
Q (cfs)
420.00
360.00
30000
24000
180.00
120.00
0.00 - 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
® Hyd No. 1

43
Hydr®graph Report
HydraFlow Hydrographs Extension for AutoCADO Civil 31D02016 by Autodesk, Inc v10 5 Wednesday, 05 / 3 / 2017
Hyd. No. 2
Post -Development Area #1
Hydrograph type
= SCS Runoff
Peak discharge
= 33.23 cfs
Storm frequency
= 100 yrs
Time to peak
= 11.92 hrs
Time interval
= 1 min
Hyd. volume
= 61,384 cuft
Drainage area
= 3.260 ac
Curve number
= 78.5
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 2.40 min
Total precip.
= 8.09 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Post -Development Area #1 Q (cfs)
Q (cfs) Hyd. No 2 -- 100 Year
35.00T-7
35.00
3000
30.0025.00
25.00
20.00 20.00 _-- _..T _ __.. ._ __� _____ _, . __ _ _ _ _
15.00
15.00
10.00
10.00
5.00 5.00
0.00 0.00
0.0 2.0 4.0 6.0 80 10.0 12.0 14.0 16.0 18.0 20.0
Time (hrs)
® Hyd No. 2

44
Hydrograph
Hydraflow Hydrographs Extension for AutoCADO Civil 3D02016 by Autodesk, Inc. v10.5
Wednesday, 0513 / 2017
I Hyd. No. 3
Wet Pond #100
Hydrograph type
= Reservoir Peak discharge
= 8.943 cfs
Storm frequency
= 100 yrs Time to peak
= 12.02 hrs
Time interval
= 1 min Hyd. volume
= 56,159 cult
Inflow hyd. No.
= 2 - Post -Development Area #Max. Elevation
= 768.48 ft
Reservoir name
= Wet Pond #100 Max. Storage
= 30,553 cuft
Storage Indication method used
Wet Pond #100
Q (cfs) Hyd. No. 3 -- 100 Year Q (cfs)
35.00 35.00
30.00 3000
25.00 25.00
20.00 20.00
15.00 15.00
10.00 10.00
5.00 w ' - - --__- �- — v_ _ _ 5.00
0.00
0.00
0 3 6 9 12 15 18 21 24 27 30 33
Time (hrs)
Hyd No. 3 Hyd No. 2 Total storage used = 30,553 cuft

45
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCADO Civil 3DO 2016 by Autodesk, Inc v10.5 Wednesday, 05 / 3 / 2017
Hyd. No. 4
Post -Development Area #2
Hydrograph type =
SCS Runoff
Peak discharge
= 36.67 cfs
Storm frequency =
100 yrs
Time to peak
= 11.97 hrs
Time interval =
1 min
Hyd. volume
= 77,871 cuft
Drainage area =
5.010 ac
Curve number
= 68.7
Basin Slope =
0.0%
Hydraulic length
= 0 ft
Tc method =
User
Time of conc. (Tc)
= 8.10 min
Total precip. =
8.09 in
Distribution
= Type II
Storm duration =
24 hrs
Shape factor
= 484
Post -Development Area #2
Q (cfs) Hyd. No. 4 --100 Year
40.00
30.00
20.00
10.00
n nn -
Q (cfs)
4000
30.00
20.00
10.00
EM
vv 0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
® Hyd No. 4

ydr®graph
Rap®r$
46
Hydraflow Hydrographs Extension for AutoCADO Civil 3DO 2016 by Autodesk, Inc. v10.5
Hyd. No. 5
Wet Pond #200
Hydrograph type = Reservoir Peak discharge
Storm frequency = 100 yrs Time to peak
Time interval = 1 min Hyd. volume
Inflow hyd. No. = 4 - Post -Development Area #14ax. Elevation
Reservoir name = Wet Pond #200 Max. Storage
Wednesday, 05 / 3 / 2017
= 20.39 cfs
= 12.07 hrs
= 74,075 cuft
= 789.27 ft
= 29,339 cuft
Storage Indication method used
Wet Pond #200
Q (cfs) Hyd. No. 5 --100 Year
4.0.00
Q (cfs)
40.00
30.00
30.00
20.00
20.00
10.00
10.00
0.00 - 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
Hyd No. 5 Hyd No. 4 �� Total storage used = 29,339 cult

47
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCADO Civil 3DO 2016 by Autodesk, Inc v10.5 Wednesday, 05 / 3 / 2017
Hyd. No. 6
Post -Development Area #3
Hydrograph type
= SCS Runoff
Peak discharge
= 67.78 cfs
Storm frequency
= 100 yrs
Time to peak
= 11.95 hrs
Time interval
= 1 min
Hyd. volume
= 141,105 cuft
Drainage area
= 7.130 ac
Curve number
= 76.4
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 5.20 min
Total precip.
= 8.09 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Q (cfs)
70.00
60.00
50.00
40.00
30.00
20.00
10.00
Post -Development Area #3
Hyd. No. 6 - 100 Year
Q (cfs)
70.00
50.00
40.00
30.00
20.00
10.00
0.00 0.00
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0
Hyd No. 6 Time (hrs)

Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3DO 2016 by Autodesk, Inc v10.5
Wednesday, 05 / 3 / 2017
Hyd. No. 7
Wet Pond #300
Hydrograph type
= Reservoir Peak discharge
= 35.62 cfs
Storm frequency
= 100 yrs Time to peak
= 12.05 hrs
Time interval
= 1 min Hyd. volume
= 135,607 cuft
Inflow hyd. No.
= 6 - Post -Development Area #&/lax. Elevation
= 773.26 ft
Reservoir name
= Wet Pond #300 Max. Storage
= 56,571 cuft
Storage Indication method used
Q (cfs
70.00
- 1I
50.00
4000
30.00
20.00
10.00
Wet Pond #300
Hyd. No. 7 --100 Year
Q (cfs)
70.00
50.00
40.00
30.00
20.00
f l7
0.00 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
Hyd No. 7 Hyd No 6 Total storage used = 56,571 cult

Hydr®graph Report
Hydraflow Hydrographs Extension for AutoCADOO Civil 3130 2016 by Autodesk, Inc v10 5 Wednesday, 05 / 3 12017
Hyd. No. 8
Post -Development Area #4
Hydrograph type
= SCS -Runoff
Peak discharge
= 129.69 cfs
Storm frequency
= 100 yrs
Time to peak
= 11.95 hrs
Time interval
= 1 min
Hyd. volume
= 273,862 cuft
Drainage area
= 12.840 ac
Curve number
= 79.9
Basin Slope
= 0.0%
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 5.20 min
Total precip.
= 8.09 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Q (cfs
140.00
t 20.00
100.00
40.00
20.00
Post -Development Area #4
Hyd. No. 8 —100 Year
0.00
0.0 20 4.0
i
Hyd No. 8
Q (cfs)
140.00
12000
100.00
FRI1111iI1
M
6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0
Time (hrs)

Hydrograph Report
HydraflowHydrographs Extension for AutoCAD® Civil 3D@2016 by Autodesk, Inc 00.5 Wednesday, 05 13 / 2017
Hyd. No. 9
Wet Pond #400
Hydrograph type
= Reservoir
Peak discharge
= 61.96 cfs
Storm frequency
= 100 yrs
Time to peak
= 12.05 hrs
Time interval
= 1 min
Hyd. volume
= 268,113 cuft
Inflow hyd. No.
= 8 - Post -Development
Area #-Max. Elevation
= 767.45 ft
Reservoir name
= Wet Pond #400
Max. Storage
= 107,987 cuft
Storage Indication method used.
Wet Pond #400
Q (cfs) Hyd. No. 9 -- 100 Year Q (cfs)
14000 - 140.00
20.00 - 120.00
100.00 100.00
80.00 80.00
E50.00 60.00
40.00 40.00
20.00 20.00
0.00 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
—
Time (hrs)
Hyd No. 9 Hyd No. 8 ffT Total storage used 107,987 Cuft

51
Hydrograph Report
Hydraflow Hydrographs Extension for AutoCAD® Civil 3D® 2016 by Autodesk, Inc v10 5 Wednesday, 05 / 3 / 2017
Hyd. No. 10
Post -Development Area Bypass #5
Hydrograph type
= SCS Runoff
Peak discharge
= 286.91 cfs
Storm frequency
= 100 yrs
Time to peak
= 12.03 hrs
Time interval
= 1 min
Hyd. volume
= 774,535 cuft
Drainage area
= 58.840 ac
Curve number
= 62
Basin Slope
= 0.0%
Hydraulic length
= Oft
Tc method
= User
Time of conc. (Tc)
= 14.50 min
Total precip.
= 8.09 in
Distribution
= Type ll
Storm duration
= 24 hrs
Shape factor
= 484
Post -Development Area Bypass #5
Q (cfs) Hyd. No. 10 - 100 Year
320.00
80.00
— -- -- —
240.00__..-
200.00
16000
120.00
80.00 _ _ — - -- — — - — -- ---- - -
40.00
Q (cfs)
320.00
280.00
24000
20000
120.00
40.00
0.00 - 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
Time (hrs)
Hyd No. 10

Hydrograph
Report
52
Hydraflow Hydrographs Extension for AutoCADO Civil 31DOO 2016 by Autodesk. Inc. 00.5
Wednesday, 05 / 3 / 2017
Hyd. No. 11
Post -Development Area
Hydrograph type
= Combine
Peak discharge
= 412.01 cfs
Storm frequency
= 100 yrs
Time to peak
= 12.05 hrs
Time interval
= 1 min
Hyd. volume
= 1,308,490 cuft
Inflow hyds.
= 3, 5, 7, 9, 10
Contrib. drain. area
= 58.840 ac
Q (cfs
420.00
300.00
240.00
180.00
120.00
4111/1/111
Post -Development Area
Hyd. No. 11 —100 Year
Q (cfs)
420.00
c.iM
300.00
240.00
180.00
120.00
M1111I11
0.00 0.00
0 2 4 6 8 10 12 14 16 18 20 22 24 26
'
Hyd No. 11 — Hyd No. 3 Hyd No. 5 Hyd No. 7 Time (hrs)
Hyd No. 9 Hyd No. 10