20061379 Ver 1_Stormwater Info_20060825

FILE COPY
an06~ 3 ~e1
Hydraulic Analysis for Pond Design
At Franklin Grove
Prepared by:
Samuel Nye
Susan Hobbs, PE
~~lU D
D ~~~
`''
o~~~ ~~
Elam, Todd, d'Ambrosi
2880 Slater Road, Suite 200
Morrisville, NC 27560

Hydrograph Return Period Recap
Hyd. Hydrograph Inflow Peak Outflow (cfs) Hydrograph

No. type Hyd(s) description
(origin) 1-Yr 2-Yr 3-Yr 5-Yr 10-Yr 25-Yr 50-Yr 100-Yr
1 Rational ---- ----- 30.76 --- ----- 38.71 ------- ------- 51.81 Drainage Area #1
2 Reservoir 1 ------- 0.10 ------ ---- 0.11 ----- ----- 0.13 Routed Pond #1
4 Rational --- --- 62.81 --- ------ 79.05 ---- ------ 105.80 Drainage Area #2
5 Reservoir 4 ------- 0.55 ----- ----- 0.62 ------- ------- 0.71 Routed Pond #2
7 Rational ------ ------- 21.62 ------ --- 27.20 ------ ------ 36.41 Drainage Area #3
8 Reservoir 7 0.06 --- ------- 0.07 ----- ---- 0.08 Routed Pond #3
10 Rational -- ------ 32.49 ------ ---- 40.88 ------- ------- 54.72 Drainage Area #4
11 Reservoir 10 ----- 0.39 ------ ------- 0.44 ------ -- 0.52 Routed Pond #4
13 Rational ------ ------- 17.01 ------ ------- 21.41 ----- ------ 28.66 Drainage Area #5
14 Reservoir 13 ------ 0.05 ------- --- 0.06 ------- ------- 0.07 Routed Area #5
16 Rational ------ ----- 34.67 ----- ----- 43.63 ------- ------- 58.40 Drainage Area #6
17 Reservoir 16 ------- 0.08 --- ------ 0.09 ------ ------- 3.55 Routed Area #6
19 Rational ------- ------- 5.79 ----- ----- 7.28 ------- ------- 9.74 Drainage Area #7
20 Reservoir 19 ----- 0.03 ------ ------ 0.03 ------- ----- 0.03 Routed Pond #7
22 Rational ----_ ___- 13.06 ------ ------ 16.43 ------- ------- 21.99 Drainage Area #8
23 Reservoir 22 ------- 0.03 -- ----- 0.03 ------- ----- 0.04 Routed Area #8
25 Rational ---- ----- 24.35 ---- ----- 30.65 ------- ------ 41.02 Drainage Area #9
26 Reservoir 25 ------- 0.12 ---- --- 0.14 -----=- ---- 0.15 Routed Area #9
28 Rational ------- ----- 7.27 ------ ---- 9.14 ---- ------- 12.24 Drainage Area #10
29 Reservoir 28 ------ 0.03 ------- ------- 0.03 ------- ----- 0.03 Routed Area #10
Proj. file: BHP-DESIGN-062206.gpw Wednesday, Jun 28 2006, 1:43 PM
IJvAroFlrou 4.Ivrlrnnrnnl+c by Inlclicnhia

Hydrograph Summary Report
Hyd.
No. Hydrograph
type
(origin) Peak
flow
(cfs) Time
interval
(min) Time to
peak
(min) Volume

(tuft) Inflow
hyd(s) Maximum
elevation
(ft) Maximum
storage
(tuft) Hydrograph
description
1 Rational 30.76 1 5 9,227 ---- ----- ------ Drainage Area #1
2 Reservoir 0.10 1 10 8,600 1 377.99 9,192 Routed Pond #1
4 Rational 62.81 1 5 18,844 --- ----- ----- Drainage Area #2
5 Reservoir 0.55 1 10 18,775 4 364.91 18,650 Routed Pond #2
7 Rational 21.62 1 5 6,485 --- ----- ------ Drainage Area #3
8 Reservoir 0.06 1 10 6,039 7 368.15 6,463 Routed Pond #3
10 Rational 32.49 1 5 9,746 ---- ------ ---- Drainage Area #4
11 Reservoir 0.39 1 10 9,704 10 364.04 9,617 Routed Pond #4
13 Rational 17.01 1 5 5,104 -- ----- ------ Drainage Area #5
14 Reservoir 0.05 1 10 4,765 13 370.85 5,086 Routed Area #5
16 Rational 34.67 1 5 10,402 --- ------ ------ Drainage Area #6
17 Reservoir 0.08 1 10 9,013 16 376.76 10,374 Routed Area #6
19 Rational 5.79 1 5 1,736 ---- ----- ---- Drainage Area #7
20 Reservoir 0.03 1 10 1,707 19 353.95 1,726 Routed Pond #7
22 Rational 13.06 1 5 3,917 ---- ----- ----- Drainage Area #8
23 Reservoir 0.03 1 10 3,437 22 367.32 3,906 •Routed Area #8
25 Rational 24.35 1 5 7,306 ---- ------ ----- Drainage Area #9
26 Reservoir 0.12 1 10 7,266 25 359.47 7,261 Routed Area #9
28 Rational 7.27 1 5 2,180 ---- ---- ----- Drainage Area #10
29 Reservoir 0.03 1 10 2,151 28 367.15 2,170 Routed Area #10
BMP-DESIGN-062206.gpw Return Period: 2 Year Wednesday, Jun 28 2006, 1:43 PM

Hydrograph Ptot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 1
Drainage Area #1
Hydrograph type =Rational
Storm frequency = 2 yrs
Drainage area = 12.2 ac
Intensity = 5.739 in/hr
IDF Curve =Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 30.76 cfs
Time interval = 1 min
Runoff coeff. = 0.44
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 9,227 tuft
Drainage Area #1
Q (cfs) Hyd. No. 1 -- 2 Yr
35.00
~.~~
0.0
Q (cfs)
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0:00
0.1 0.2
Hyd No. 1 Time (hrs)
3

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 2
Routed Pond #1
Hydrograph type =Reservoir Peak discharge = 0.10 cfs
Storm frequency = 2 yrs Time interval = 1 min
Inflow hyd. No. = 1 Max. Elevation = 377.99 ft
Reservoir name =WET POND #1 Max. Storage = 9,192 cult
Storage Indication method used. Hydrograph Volume = 8,600 cult
Q (cfs)
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0.00 -
0
Routed Pond #1
Hyd. No. 2 -- 2 Yr
Q (cfs)
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0.00
5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 2 Hyd No. 1
4

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 3 -WET POND #1
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 377.00 8,743 0 0
1.00 378.00 9,864 9,304 9,304
2.00 379.00 11,041 10,453 19,756
3.00 380.00 12,276 11,659 31,415
Culvert /Orifice Structures
[Al [Bl [C] LDl
Rise (in) = 24.00 2.00 0.00 0.00
Span (in) = 24.00 2.00 0.00 0.00
No. Barrels = 1 1 0 0
Invert EI. (ft) = 374.00 377.00 0.00 0.00
Length (ft) = 62.00 0.00 0.00 0.00
Slope (%) = 1.59 0.00 0,00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No
Weir Structures
[A] [B] [C) [D]
Crest Len (ft) = 11.00 0.00 0.00 0.00
Crest EI. (ft) = 379.00 0.00 0.00 0.00
Weir Coeff. = 3.33 0.00 0.00 0.00
Weir Type =Riser --- --- ---
Multi-Stage =Yes No No No
Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: Culvert/Orifice outflows have been analyzed under inlet and outlet control.
Stage (ft)
3.00
2.00
1.00
0.00 -1-
0.00
Stage /Discharge
3.00 6.00 9.00 12.00 15.00
Total Q
Stage (ft)
3.00
2.00
1.00
-' 0.00
18.00 21.00 24.00 27.00 30.00 33.00
Discharge (cfs)
5

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 4
Drainage Area #2
Hydrograph type =Rational
Storm frequency 2 yrs
Drainage area = 19.9 ac
Intensity = 5.739 in/hr
IDF Curve = Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 62.81 cfs
Time interval = 1 min
Runoff coeff. = 0.55
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 18,844 cult
Drainage Area #2
Q (cfs) Hyd. No. 4 -- 2 Yr
70.00

~. ~~
0.0

Q (cfs)
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.1 0.2
Hyd No. 4 Time (hrs)
s

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 5
Routed Pond #2
Hydrograph type =Reservoir Peak discharge = 0.55 cfs
Storm frequency = 2 yrs Time interval = 1 min
Inflow hyd. No. = 4 Max. Elevation = 364.91 ft
Reservoir name =WET POND #2 Max. Storage = 18,650 cult
Storage Indication method used. Hydrograph Volume = 18,775 cult
Q (cfs)
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0 00
Routed Pond #2
Hyd. No. 5 -- 2 Yr
~_
Q (cfs)
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
7
0 4 7 11 15 18 22 26 29 33 37
Time (hrs)
Hyd No. 5 Hyd No. 4

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 1 -WET POND #2
Pond Data
Pond storage is based on known contour areas. Average end area me thod used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (cult)
0.00 363.00 8,726 0 0
1.00 364.00 9,773 9,250 9,250
2.00 365.00 10,946 10,360 19,609
3.00 366.00 12,259 11,603 31,212
4.00 367.00 13,730 12,995 44,206
5.00 368.00 15,378 14,554 58,760
6.00 369.00 20,000 17,689 76,449
Culvert /Orifice Structures
IA] LB] [C] [DI
Rise (in) = 24.00 4.00 0.00 0.00
Span (in) = 24.00 4.00 0.00 0.00
No. Barrels = 1 1 0 0
Invert EI. (ft) = 360.00 363.00 0.00 .0.00
Length (ft) = 60.00 0.50 0.00 0.00
Slope (%) = 0.50 0.50 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n!a Yes No No
Stage (ft)
6.00
5.00
4.00
3.00
2.00 -
1.00 -
0 00 -
Weir Structures
[A] [B] [C] [D]
Crest Len (ft) = 12.56 0.00 0.00 0.00
Crest EI. (ft) = 366.50 0.00 0.00 0.00
Weir Coeff. = 3.33 0.00 0.00 0.00
Weir Type =Riser - ---
Multi-Stage =Yes No No No
Exfiltration = 0.000 inlhr (Contour) Tailwater Elev. = 0.00 ft
Note: Culvert/Orifice outflows have been analyzed under inlet and outlet control.
Stage /Discharge
Stage (ft)
6.00
5..00
4.00
3.00
2.00
1.00
0 00
8
0.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00 44.00
Total Q Discharge (cfs)

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 7
Drainage Area #3
Hydrograph type =Rational
Storm frequency = 2 yrs
Drainage area = 8.6 ac
Intensity = 5.739 in/hr
IDF Curve =Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 21.62 cfs
Time interval = 1 min
Runoff coeff. = 0.44
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 6,485 cult
Q (cfs)
24.00
20.00
Drainage Area #3
Hyd. No. 7 -- 2 Yr
16.00
12.00
8.00
4.00
0.00 y
0.0
Hyd No. 7
0.1
Q (cfs)
24.00
20.00
16.00
12.00
8.00
4.00
~- 0.00
0.2
Time (hrs)
9

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 8
Routed Pond #3
Hydrograph type =Reservoir Peak discharge = 0.06 cfs
Storm frequency = 2 yrs Time interval = 1 min
Inflow hyd. No. = 7 Max. Elevation = 368.15 ft
Reservoir name =WET POND #3 Max. Storage = 6,463 cuft
Storage Indication method used. Hydrograph Volume = 6,039 cult
Q (cfs)
24.00
20.00
Routed Pond #3
Hyd. No. 8 -- 2 Yr
Q (cfs)
24.00
16.00
12.00
8.00
4.00
0.00 -'~
0
20.00
16.00
12.00
8.00
4.00
~ ~ 0.00
5 10 ~ 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 8 Hyd No. 7
10

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 2 -WET POND #3
Pond Data
Pond storage is based on known contour areas. Average end area me thod used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 367.00 5,081 0 0
1.00 368.00 5,925 5,503 5,503
2.00 369.00 .6,826 6,376 11, 879
3.00 370.00 7,783 7,305 19,183
4.00 371.00 8,797 8,290 27,473
Culvert /Orifice Structures
[A] [B] [C] [D]
Rise (in) = 24.00 1.50 0.00 0.00
Span (in) = 24.00 1.50 0.00 0.00
No. Barrels = 1 1 0 0
Invert EI. (ft) = 364.00 367.00 0.00 0.00
Length (ft) = 93.00 0.00 0.00 0.00
Slope (%) = 2.15 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No
Stage (ft)
4.00
3.00
2.00
1.00
0.00 ' ' '
0.00 4.00 8.00
Total Q
Weir Structures
[A] [B] [C] [D]
Crest Len (ft) = 11.00 0.00 0.00 0.00
Crest EI. (ft) = 369.50 0.00 0'.00 0.00
Weir Coeff. = 3.33 0.00 0.00 0.00
Weir Type =Riser -- --- --
Multi-Stage =Yes No No No
Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: CulverUOrifice outflows have been analyzed under inlet >bnd outlet control.
Stage /Discharge
Stage (ft)
4.00
3.00
2.00
1.00
I I I I i ' ~ ' 0.00
12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00
Discharge (cfs)
11

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 10
Drainage Area #4
Hydrograph type =Rational
Storm frequency = 2 yrs
Drainage area = 10.7 ac
Intensity = 5.739 in/hr
IDF Curve =Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 32.49 cfs
Time interval = 1 min
Runoff coeff. = 0.53
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 9,746 cult
Q (cfs)
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0 00
Drainage Area #4
Hyd. No. 10 -- 2 Yr
Q (cfs)
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0 00
12
0.0 0.1 0.2
Time (hrs)
Hyd No. 10

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 11
Routed Pond #4
Hydrograph type =Reservoir Peak discharge = 0.39 cfs
Storm frequency = 2 yrs Time interval = 1 min
Inflow hyd. No. = 10 Max. Elevation = 364.04 ft
Reservoir name =WET POND #2 Max. Storage = 9,617 cult
Storage Indication method used.. Hydrograph Volume = 9,704 cult
Routed Pond #4
Q (cfs) _. Hyd. No. 11 -- 2 Yr Q (cfs)
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0 00
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0 00
13
0 3 7 10 13 17 20 23 27 30 33 37
Time (hrs)
Hyd No. 11 Hyd No: 10

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 1 -WET POND #2
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 363.00 8,726 0 0
1.00 364.00 9,773 9,250 9,250
2.00 365.00 10,946 10,360 19,609
3.00 366.00 12,259 11,603 31,212
4.00 367.00 13,730 12,995 44,206
5.00 368.00 15,378 14,554 58,760
6.00 369.00 20,000 17,689 76,449
Culvert /Orifice Structu res Weir Structures
[AI LB] [C] [D] IA] IBI [Cl IDI
Rise (in) = 24.00 4.00 0.00 0.00 Crest Len (ft) = 12.56 0.00 0.00 0.00
Span (in) 24.00 4.00 0.00 0.00 Crest EI. (ft) = 366.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Welr Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 360.00 363.00 0.00 0.00 Weir Type =Riser --- ---
Length (ft) = 60.00 0.50 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 0.50 0.50 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No Exfiltration = 0 .000 in/hr (Contour) Tai lwater Elev. = 0.00 ft
Note: Culvert/Orifice outflows have been analyzed under inlet and outlet control.
Stage (ft)
6.00
5.00
4.00
3.00
2.00
1.00
Stage /Discharge
Stage (ft)
6.00
5.00
4.00
3.00
0.00 '
0.00
__. __
1.00
__. _ ... _ . _...... _... 0 00
4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00
Total Q
40.00 44.00
Discharge (cfs)
14

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 13
Drainage Area #5
Hydrograph type =Rational
Storm frequency = 2 yrs
Drainage area = 6.1 ac
Intensity = 5.739 in/hr
IDF Curve =Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 17:01 cfs
Time interval = 1 min
Runoff coeff. = 0.49
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 5,104 cult
Drainage Area #5
Q (cfs) Hyd. No. 13 -- 2 Yr
18.00
15.00
12.00
9.00
6.00
3.00
0 00
Q (cfs)
18.00
15.00
12.00
9.00
6.00
3.00
0.00
15
0.0 0.1 0.2
Time (hrs)
Hyd No. 13

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 14
Routed Area #5
Hydrograph type =Reservoir Peak discharge = 0.05 cfs
Storm frequency = 2 yrs Time interval = 1 min
Inflow hyd. No. = 13 Max. Elevation = 370.85 ft
Reservoir name =WET POND #5 Max. Storage = 5,086 cult
Storage Indication method used
Q (cfs)
18.00
15.00
12.00
9.00
6.00
3.00
0 00
Routed Area #5
Hyd. No. 14 -- 2 Yr
Hydrograph Volume = 4,765 tuft

Q (cfs)
18.00
15.00
12.00
9.00
6.00
3.00
0.00
16
0 5 10 15 19 24 29 34 3.9 44 48
Time (hrs)
Hyd No. 14 Hyd No. 13

Pond Report
Hydraflow Hydrographs by Intelisoive Wednesday, Jun 28 2006, 1:43 PM
Pond No. 5 -WET POND #5
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult)
0.00 370.00 5, 531 0 0
1.00 371.00 6,442 5,987 5,987
2.00 372.00 7,409 6,926 12,912
3.00 373.00 8,434 7,922 20,834
4.00 374.00 9,514 8,974 29,808
Culvert /Orifice Structures
IA] [B] [C] [Dl
Rise (in) = 24.00 1.50 0.00 0.00
Span (in) = 24.00 1.50 0.00 0.00
No. Barrels = 1 1 0 0
Invert Ei. (ft) = 367.00 370.00 0.00 0.00
Length (ft) = 50.00 0.00 0.00 0.00
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes. No No
Weir Structures
[A] [B] [C] [D]
Crest Len (ft) = 11.00 0.00 0.00 0.00
Crest EI. (ft) = 372.50 0.00 0.00 0.00
Weir Coeff. = 3.33 0.00 0.00 0.00
Weir Type =Riser --- -- --
Multi-Stage =Yes No No No
Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: CulverUOrifice outFlows have been analyzed under inlet and outlet control.
Stage (ft)
4.00
3.00
2.00
1.00
0.00 ~--
0.00
Stage /Discharge
Stage (ft)
4.00
4.00
Total Q
3.00
2.00
1.00
I i I l i i ~ ~ ~ 0.00
8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00
Discharge (cfs)
17

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 16
Drainage Area #6
Hydrograph type =Rational
Storm frequency = 2 yrs
Drainage area = 9.4 ac
Intensity = 5.739 in/hr
IDF Curve =Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 34.67 cfs
Time interval = 1 min
Runoff coeff. = 0.64
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 10,402 cult
Drainage Area #6
Q (cfs) Hyd. No. 16 -- 2 Yr
35.00
_ _. _ _ _ _
30.00
25.00
........................................................................................................................................................_........................................................................................................................
_ _ _ _ _ _ __
20.00
15.00
10.00
5.00
0.00 -'L
0.0
Q (cfs)
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0.00
0.1 0.2
Time (hrs)
Hyd No. 16
18

Hydrograph Piot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 17
Routed Area #6
Hydrograph type =Reservoir
Storm frequency 2 yrs
Inflow hyd. No. = 16
Reservoir name =WET POND #6
Storage Indication method used
Routed Area #6
Q (cfs)
Hyd. No. 17 -- 2 Yr
35.00
30.00
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 0.08 cfs
Time interval = 1 min
Max. Elevation = 376.76 ft
Max. Storage = 10,374 cult
Hydrograph Volume = 9,013 cult
25.00
20.00
15.00
10.00
5.00
Q (cfs)
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0.00 ' ' ' i I I ~ 0.00
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 17 Hyd No. 16
19

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 6 -WET POND #6
Pond Data
Pond storage is based on known contour areas. Average end area me thod used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 375.00 5,084 0 0
1.00 376.00 5,958 5,521 5,521
2.00 377.00 6,888 6,423 11,944
3.00 378.00 7,875 7,382 19,326
4.00 379.00 8,919 8,397 27,723
Culvert /Orifice Structures
[A] [B] [C] [D]
Rise (in) = 24.00 1.50 0.00 0.00
Span (in) = 24.00 1.50 0.00 0.00
No. Barrels = 1 1 0 0
Invert EI. (ft) = 368.00 375.00 0.00 0.00
Length (ft) = 50.00 0.00 0.00 0.00
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No
Stage (ft)
4.00
3.00
2.00
1.00
Stage (ft)
4.00
3.00
2.00
1.00
0.00 t I I I I I i i i ~ ~ .0.00
0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.00 45.00 50.00
Discharge (cfs)
Total Q
Weir Structures
[A] [B] [C] [D]
Crest Len (ft) = 11.00 0.00 0.00 0.00
Crest EI. (ft) = 377.50 0.00 0.00 0.00
Weir Coeff. = 3.33 0.00 0.00 0.00
Weir Type =Riser -- --- --
Multi-Stage =Yes No No No
Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: CuIveNOrifice outflows have been analyzed under inlet and outlet control.
Stage /Discharge
20

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 19
Drainage Area #7
Hydrograph type =Rational Peak discharge = 5.79 cfs
Storm frequency = 2 yrs Time interval = 1 min
Drainage area = 1.8 ac Runoff coeff. = 0.56
Intensity = 5.739 in/hr - Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 1,736 cuff
Q (cfs)
6.00
5.00
4.00
3.00
2.00
1.00
0 00
Drainage Area #7
Hyd. No. 19 -- 2 Yr
Q (cfs)
6.00
5.00
4.00
3.00
2.00
1.00
0.00
21
0.0 0.1 0.2
Time (hrs)
Hyd No. 19

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 20
Routed Pond #7
Hydrograph type =Reservoir Peak discharge = 0.03 cfs
Storm frequency = 2 yrs Time interval = 1 min
Inflow hyd. No. = 19 Max. Elevation = 353.95 ft
Reservoir name =WET POND #7 Max. Storage = 1,726 cult
Storage Indication method used.
Q (cfs)
6.00
5.00
4.00
3.00
2.00
1.00
0 00
Routed Pond #7
Hyd. No. 20 -- 2 Yr
Hydrograph Volume = 1,707 cult

Q (cfs)
6.00
5.00
4.00
3.00
2.00
1.00
0.00
22
0 4 8 13 17 21 25 29 33 38 42 46
Time (hrs)
Hyd No. 20 Hyd No. 19

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 9 -WET POND #7
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 353.00 1,567 0 0
1:00 354.00 2,065 1,816 1,816
2.00 355.00 2,620 2,343 4,159
3.00 356.00 3,229 2,925 7,083
4.00 357.00 3,897 3,563 10,646
Culvert /Orifice Structures Weir Structures
[A] [B] [C] [D] [p-] IB] [C] [D]
Rise (in) = 18.00 1.00. 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 18.00 1.00 0.00 0.00 Crest EI. (ft) = 355.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 350.00 353.00 0.00 0.00 Weir Type =Riser --- --- ---
Length (ft) = 50.00 0.00 . 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a .Yes No No Exfiltration = 0 .000 in/hr (Contour) Tai lwater Elev. = 0.00 ft
Note: CuIveNOrifice outFlows have been analyzed under inlet and outlet control.
Stage (ft)
4.00
3.00
2.00
1.00
Stage /Discharge
Stage. (ft)
4.00
3.00
2.00
1.00
0.00 I I i I i I I ~ ~ ~ ~ ~ 0.00
0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00
Discharge (cfs)
Total Q
~ ~ II ~..
23

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 22
Drainage Area #8
Hydrograph type =Rational
Storm frequency = 2 yrs
Drainage area = 4.7 ac
Intensity = 5.739 in/hr
IDF Curve =Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 13.06 cfs
Time interval = 1 min
Runoff coeff. = 0.48
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 3,917 cult
Drainage Area #8
Q (cfs) Hyd. No. 22 -- 2 Yr
14.00
12.00
10.00
8.00
6.00
4.00
2.00
0 00
Q (cfs)
14.00
12.00
10.00
24
8.00
6.00
4.00
2.00
0 00
0.0 0.1 0.2
Time (hrs)
Hyd No. 22

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, '1:43 PM
Hyd. No. 23
Routed Area #8
Hydrograph type =Reservoir Peak discharge = 0.03 cfs
Storm frequency = 2 yrs Time interval = 1 min
Inflow hyd. No. = 22 Max. Elevation = 367.32 ft
Reservoir name =WET POND #8 Max. Storage = 3,906 cult
Storage Indication method used.
Q (cfs)
14.00
12.00
10.00
8.00
6.00
4.00
2.00
0 00
Routed Area #8
Hyd. No. 23 -- 2 Yr
Hydrograph Volume = 3,437 cult
Q (cfs)
14.00
12.00
10.00
8.00
6.00
4.00
2.00
0.00
25
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 23 Hyd No. 22

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 7 -WET POND #8
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult)
0.00 366.00 2,491 0 0
1.00 367.00 3,111 2,801 2,801
2.00 368.00 3,788 3,450 6,251
3.00 369.00 4,521 4,155 10,405
4.00 370.00 5,311 4,916 15,321
Culvert /Orifice Structures Weir Structures
[A] [g] [C] ID] IA] [B] [Cl [D]
Rise (in) = 24.00 1.00 0.00 O.OQ Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 1.00 0.00 0.00 Crest EI. (ft) = 368.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 361.00 366.00 0.00 0.00 Weir Type =Riser -- --
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No Exfiltration = 0 .000 in/hr (Contour) Tail water Elev. = 0.00 ft
Note: CulvertlOrifice outflows have been analyzed under inlet and outlet control.
Stage (ft)
4.00
3.00
2.00
1.00
Stage (ft)
4.00
3.00
2.00
1.00
0.00 1 I I I I I I I i ~ ' ' 0.00
0.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00 44.00
Discharge (cfs)
Total Q
Stage /Discharge
26

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 25
Drainage Area #9
Hydrograph type =Rational
Storm frequency = 2 yrs
Drainage area = 9.4 ac
Intensity = 5.739 in/hr
IDF Curve =Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 24.35 cfs
Time interval = 1 min
Runoff coeff. = 0.45
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 7,306 cult
Q (cfs)
28.00
Drainage Area #9
Hyd. No. 25 -- 2 Yr
24.00
20.00
16.00
12.00
8.00
4.00
0 00
Q (cfs)
28.00
24.00
20.00
16.00
12.00
8.00
4.00
0.00
27
0.0 0.1 0.2
Time (hrs)
Hyd No. 25

Hydrograph Plot
28
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 26
Routed Area #9
Hydrograph type =Reservoir Peak discharge = 0.12 cfs
Storm frequency = 2 yrs Time interval = 1 min
Inflow hyd. No. = 25 Max.- Elevation = 359.47 ft
Reservoir name =WET POND #9 Max. Storage = 7,261 cult
Storage Indication method used. Hydrograph Volume = 7,266 tuft
Routed Area #9
Q (cfs) Hyd. No. 26 -- 2 Yr Q (cfs)
28.00 28 00
24.00
20.00
16.00
12:00
8.00
4.00
0 00
24.00
20.00
16.00
12.00
8.00
4.00
0.00
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 26 Hyd No. 25

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 8 -WET POND #9
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 358.00 8,226 0 0
1.00 359.00 930 4,578 4,578
2.00 360.00 10,490 5,710 10,288
3.00 361.00 11,707 11,099 21,387
4.00 362.00 12,980 12,344 33,730
Culvert /Orifice Structures Weir Structures
[A] IB] [C] [DI IA] IB] [C] [D]
Rise (in) = 24.00 2.00 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 2.00 0.00 0.00 Crest EI. (ft) = 360.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 355.00 358.00 0.00 0.00 Weir Type =Riser -- --- --
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Muiti-Stage = n/a Yes No No Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note; CulvertlOrifice outflows have been analyzed under inlet ahd outlet control.
Stage (ft)
4.00
3.00
2.00
1.00
Stage /Discharge
Stage (ft)
4.00
3.00

2.00
1.00
29
0.00 t i i i i i i i ~ ~ ~ 0.00
0.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00
Total Q Discharge (cfs)

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 28
Drainage Area #10
Hydrograph type = Rational Peak discharge = 7.27 cfs
Storm frequency 2 yrs Time interval = 1 min
Drainage area = 2.1 ac Runoff coeff. = 0.6
Intensity = 5.739 in/hr Tc by User = 5 min
IDF Curve = Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 2,180 cult
Q (cfs)
8.00
Drainage Area #10
Hyd. No. 28 -- 2 Yr
71\
6.00
Q (cfs)
8.00
6.00

4.00
2.00
0.00 ~'
0.0
Hyd No. 28
I _ _L... .. .._.. _.. .. ..__.. ._._._.__. ._.. ... ._. .. ..._..... ~_.. ...._. _....._ ...... _._ _._ __.... _.. .__... .... _.._, ._.. ..__. \.. .._.... .. .1
0.1
4.00
2.00
~- 0.00
0.2
Time (hrs)
30

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 29
Routed Area #10
Hydrograph type =Reservoir Peak discharge = 0.03 cfs
Storm frequency = 2 yrs Time interval = 1 min
Inflow hyd. No. = 28 Max. Elevation = 367.15 ft
Reservoir name =WET POND #10 Max. Storage = 2,170 cult
Storage Indication method used. Hydrograph Volume = 2,151 cult
Q (cfs)
8.00
6.00
4.00
2.00

0.00 -'~
0
Routed Area #10
Hyd. No. 29 -- 2 Yr

5 9 14 19 23 28
Hyd No. 29 Hyd No. 28
33 37 42 47
31
Q (cfs
8.00
6.00
4.00
2.00
-~- 0.00
51
Time (hrs)

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 10 -WET POND #10
Pond Data
Pond storage is based on k nown contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult)
0.00 366.00 1,567 0 0
1.00 367.00 2,064 1,816 1,816
2.00 368.00 2,619 2,342 4,157
3.00 369.00 3,230 2,925 7,082
4.00 370.00 3,897 3,564 10,645
Culvert /Ori fice Structures Weir Structures
IAl IBl [C] [Dl [Al [Bl [C] IDl
Rise (in) = 24.00 1.00 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 1.00. 0.00 0.00 Crest Ei. (ft) = 368.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 363.00 366.00 0.00 0.00 Weir Type =Riser --- -- ---
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No E~Itration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: Culvert/Orifice outflows have been analyzed under inlet and outlet control.
Stage (ft)
4.00
3.00
2.00
1.00
0 00
Stage /Discharge
Stage (ft)
4.00
3.00
2.00
1.00
0.00
0.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00
Discharge (cfs)
Total Q
32

33
Hydrograph Summary Report
Hyd.
No. Hydrograph
type
(origin) Peak
flow
(cfs) Time
interval
(min} Time to
peak
(min) Volume

(tuft) Inflow
hyd(s) Maximum
elevation
(ft) Maximum
storage
(cult) Hydrograph
description
1 Rational 38.71 1 5 11,612 --- --- --~- Drainage Area #1
2 Reservoir 0.11 1 10 10,715 1 378.22 11,572 Routed Pond #1
4 Rational 79.05 1 5 23,714 ---- ------ ----- Drainage Area #2
5 Reservoir 0.62 1 10 23,629 4 365.33 23,492 Routed Pond #2
7 Rational 27.20 1 5 8,161 ---- ---- ---- Drainage Area #3
8 Reservoir 0.07 1 10 7,407 7 368.41 8,135 Routed Pond #3
10 Rational 40.88 1 5 12,264 -- ----- ----- Drainage Area #4
11 Reservoir 0.44 1 10 12,215 10 364.28 12,115 Routed Pond #4
13 Rational 21.41 1 5 6,423 ---- ---- ------ Drainage Area #5
14 Reservoir 0.06 1 10 5,893 13 371.06 6,402 Routed Area #5
16 Rational 43.63 1 5 13,090 --- ----- --- Drainage Area #6
17 Reservoir 0.09 1 10 10,684 16 377.15 13,058 Routed Area #6
19 Rational 7.28 1 5 2,184 --- ------ ---- Drainage Area #7
20 Reservoir 0.03 1 10 2,155 19 354.15 2,174 Routed Pond #7
22 Rational 16.43 1 5 4,930 -- --- ----- Drainage Area #8
23 Reservoir 0.03 1 10 4,083 22 367.61 4,917 Routed Area #8
25 Rational 30.65 1 5 9,194 --- ----- ------ Drainage Area #9
26 Reservoir 0.14 1 10 9,130 25 359.80 9,143 Routed Area #9
28 Rational 9.14 1 5 2,743 --- ------ ----- Drainage Area #10
29 Reservoir 0.03 1 10 2,693 28 367.39 2,732 Routed Area #10
BMP-DESIGN-062206.gpw Return Period: 10 Year Wednesday, Jun 28 2006, 1:43 PM

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, -1:43 PM
Hyd. No. 1
Drainage Area #1
Hydrograph type =Rational Peak discharge = 38.71 cfs
Storm frequency = 10 yrs Time interval = 1 min
Drainage area = 12.2 ac Runoff coeff. = 0.44
Intensity = 7.222 in/hr Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 11,612 cult
Q (cfs)
40.00
30.00
20.00
10.00
30.00
/ I \
0.00
0.0
Hyd No. 1
Drainage Area #1
Hyd. No. 1 --10 Yr
Q (cfs)
40.00
0.1
20.00
10.00
-~ 0.00
0.2
Time (hrs)
34

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 2
Routed Pond #1
Hydrograph type =Reservoir Peak discharge = 0.11 cfs
Storm frequency = 10 yrs Time interval = 1 min
Inflow hyd. No. = 1 Max. Elevation = 378.22 ft
Reservoir name =WET POND #1 Max. Storage = 11,572 cult
Storage Indication method used.
Q (cfs)
40.00
Hydrograph Volume = 10,715 cult
Routed Pond #1
Hyd. No. 2 --10 Yr
30.00
20.00
10.00
0.00 i~ , _ _- - ~ -~-
0 5 10 15 19 24
Hyd No. 2 Hyd No. 1
Q (cfs)
40.00
30.00
20.00
10.00
' ' 0.00
29 34 39 44 48
Time (hrs)
35

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 3 -WET POND #1
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Totai storage (tuft)
0.00 377.00 8,743 0 0
1.00 378.00 9,864 9,304 9,304
2.00 379.00 11,041 10,453 19,756
3.00 380.00 12,276 11,659 31,415
Culvert /Orifice Structures Weir Structures
[Al IBl [Cl [Dl [Al [Bl [C] [Dl
Rise (in) = 24.00 2.00 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 2.00 0.00 0.00 Crest EI. (ft) = 379.00 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 374.00 377.00 0.00 0.00 Weir Type =Riser - --- ---
Length (ft) = 62.00 0.00 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 1.59 0.00 0.00 0.00
N-Value = .013 .013. .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No Exfiltration = 0 .000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: Culvert/Orifice outFlows have been analyzed under inlet and outlet control.
Stage (ft)
3.00
2.00
1.00
0.00 '
0.00 3.00
Total Q
Stage /Discharge
Stage (ft)
3.00
6.00 9.00
2.00
1.00
I I I I I i '' ' 0.00
12.00 15.00 18.00 21.00 24.00 27.00 30.00 33.00
Discharge (cfs)
36

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 4
Drainage Area #2
Hydrograph type =Rational
Storm frequency = 10 yrs
Drainage area = 19.9 ac
Intensity = 7.222 in/hr
IDF Curve Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 79.05 cfs
Time interval = 1 min
Runoff coeff. = 0.55
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 23,714 cult
Q (cfs)
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0 00
Drainage Area #2
Hyd. No. 4 -- 10 Yr
0.0
Q (cfs)
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.1 0.2
Time (hrs)
37
Hyd No. 4

Hydrograph Plot
--
Hydraflow Hydrographs by Intelisolve
Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 5
Routed Pond #2
Hydrograph type =Reservoir Peak discharge = 0.62 cfs
Storm frequency = 10 yrs Time interval = 1 min
Inflow hyd. No. = 4 Max. Elevation = 365.33 ft
Reservoir name =WET POND #2 Max. Storage = 23,492 cult
Storage Indication method used. Hydrograph Volume = 23,629 cult
Q (cfs)
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
Q (cfs)
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00 ~~ ~ ~ ~ i i i ~ ~ ~ ~ ~ 0.00
0 4 7
Hyd Na 5
Routed Pond #2
Hyd. No. 5 -- 10 Yr
11 15 18 22 26 29 33 37 40
Time (hrs)
- Hyd No. 4
38

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 1 -WET POND #2
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (cult)
0.00 363.00 8,726 0 0
1.00 364.00 9,773 9,250 9,250
2.00 365.00 10,946 10,360 19,609
3.00 366.00 12,259 11,603 31,212
4.00 367.00 13,730 12,995 44,206
5.00 368.00 15,378 14,554 58,760
6.00 369.00 20,000 17,689 76,449
Culvert /Orifice Structures
IA] IB] [Cl [D]
Rise (in) = 24.00 4.00 0.00 0.00
Span (in) = 24.00 4.00 0.00 0.00
No. Barrels = 1 1 0 0
Invert EI. (ft) = 360.00 363.00 0.00 0.00
Length (ft) 60.00 0.50 0.00 0.00
Slope (%) = 0.50 0.50 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multistage = n/a Yes No No
Stage (ft)
6.00
5.00
4.00
3.00
2.00
1.00
0.00 -'--
0.00
Weir Structures
[A] [B] [C] [D]
Crest Len (ft) = 12.56 0.00 0.00 0.00
Crest EI. (ft) = 366.50 0.00 0.00 0.00
Weir Coeff. = 3.33 0.00 0.00 0.00
Weir Type =Riser -- - ---
Multi-Stage =Yes No No No
Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: Culvert/Orifice outflows have been analyzed under inlet and outlet control.
Stage /Discharge
4.00 8.00 12.00 16.00 20.00 24.00
Total Q
Stage (ft)
6.00
5.00
4.00
3.00
2.00
1.00
' ' ' ' 0.00
28.00 32.00 36.00 40.00 44.00
Discharge (cfs)
39

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006,-1:43 PM
Hyd. No. 7
Drainage Area #3
Hydrograph type =Rational Peak discharge = 27.20 cfs
Storm frequency = 10 yrs Time interval = 1 min
Drainage area = 8.6 ac Runoff coeff. = 0.44
Intensity = 7.222 in/hr Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 8,161 cult
Q (cfs)
28.00
Drainage Area #3
Hyd. No. 7 --10 Yr
24.00
20.00
16.00
12.00
8.00
4.00
0 00
i~ i ~
Q (cfs)
28.00
24.00
20.00
16.00
12.00
8.00
4.00
0 00
40
0.0 0.1 0.2
Hyd No. 7 Time (hrs)

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 8
Routed Pond #3
Hydrograph type =Reservoir Peak discharge = 0.07 cfs
Storm frequency = 10 yrs Time interval = 1 min
Inflow hyd. No. = 7 Max. Elevation = 368.41 ft
Reservoir name =WET POND #3 Max. Storage = 8,135 cult
Storage Indication method used. Hydrograph Volume = 7,407 cult
Q (cfs)
28.00
24.00
Routed Pond #3
Hyd. No. 8 --10 Yr
20.00
16.00
12.00
8.00
4.00
0.00
Q (cfs)
28.00
24.00
20.00
16.00
12.00
8.00
4.00
0 00
41
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 8 Hyd No. 7

Pond Report
Hydraflow Hydrographs by Intelisolve , Wednesday, Jun 28 2006, 1:43 PM
Pond No. 2 -WET POND #3
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 367.00 5,081 0 0
1.00 368.00 5,925 5,503 5,503
2.00 369.00 6,826 6,376 11,879
3.00 370.00 7,783 7,305 19,183
4.00 371.00 8,797 8,290 27,473
Culvert /Orifice Structures Weir Structures
[A] LB] [Cl [Dl IA] IB] [C] [Dl
Rise (in) = 24.00 1.50 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 1.50 0.00 0.00 Crest EI. (ft) = 369.50 .0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 364.00 367.00 0.00 0.00 Weir Type =Riser - - -
Length (ft) = 93.00 0.00 0.00 0.00 Multistage =Yes No No No
Slope (%) = 2.15 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No E~Itration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: CulverUOrifice outflows have been analyzed under inlet and outlet control
Stage (ft)
4.00
3.00
2.00
1.00
0 00
Stage /Discharge
Stage (ft)
4.00
3.00
2.00
1.00
0 00
42
0.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00
Discharge (cfs)
Total Q

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 10
Drainage Area #4
Hydrograph type =Rational Peak discharge = 40.88 cfs
Storm frequency = 10 yrs Time interval = 1 min
Drainage area = 10.7 ac Runoff coeff. = 0.53
Intensity = 7.222 infhr Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 12,264 cult
Q (cfs)
50.00 T
40.00
30.00
20.00
10.00
0 00
Drainage Area #4
Hyd. No. 10 -- 10 Yr
Q (cfs)
50.00
40.00
30.00
20.00
10.00
0 00
43
0.0 0.1 0.2
Hyd No. 10 Time (hrs)

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 11
Routed Pond #4
Hydrograph type =Reservoir Peak discharge = 0.44 cfs
Storm frequency = 10 yrs Time interval = 1 min
Inflow hyd. No. = 10 Max. Elevation = 364.28 ft
Reservoir name =WET POND #2 Max. Storage = 12,115 cult
Storage Indication method used. Hydrograph Volume = 12,215 cult
Q (cfs)
50.00
40.00
30.00
20.00
10.00
0 00
Routed Pond #4
Hyd. No. 11 -- 10 Yr
Q (cfs)
50.00
40.00
30.00
20.00
10.00
0.00
44
0 4 7 11 14 18 21 25 28 32 35
Time (hrs)
Hyd No. 11 Hyd No. 10

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 1 -WET POND #2
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (cult)
0.00 363.00 8,726 0 0
1.00 364.00 9,773 9,250 9,250
2.00 365.00 10,946 10,360 19,609
3.00 366.00 12,259 11,603 31,212
4.00 367.00 13,730 12,995 44,206
5.00 368.00 15,378 14,554 58,760
6.00 369.00 20,000 17,689 76,449
Culvert /Orifice Structures Weir Structures
[A] [Bl [~] [Dl [Al [B] [~I [D]
Rise (in) = 24.00 4.00 0.00 0.00 Crest Len (ft) = 12.56 0.00 0.00 0.00
Span (in) = 24.00 4.00 0.00 0.00 Crest EI. (ft) = 366.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 360.00 363.00 0.00 0.00 Weir Type =Riser - -
Length (ft) = 60.00 0.50 0.00 0.00 Multistage =Yes No No No
Slope (%) = 0.50 0.50 -0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: Culvert/Orifice outflows have been analyzed under inlet and outlet control.
Stage (ft)
6.00
__ _ _
_
_ .
6.00

5
00 __ _ _.
_.__

_

_ ..._

___ ....._ _.

.
.
_ __ .._.... __ ..... .. 5.00
4
00
.
3
00 _ _.
. 3.00
2
00 __ __.. _.
.
_._.. .. .. ..... ---- --- 2.00
1
00
. ___ _. _. ._ 1.00
0.00 _ ...__ __ _ _._ _........... n nn
0.00
Stage /Discharge Stage (ft)
4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00 44.00 -~
Discharge (cfs)
Total Q
45

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 13
Drainage Area #5
Hydrograph type =Rational Peak_discharge = 21.41 cfs
Storm frequency = 10 yrs Time interval = 1 min
Drainage area = 6.1 ac Runoff coeff. = 0.49
Intensity 7.222 in/hr Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 6,423 cult
Drainage Area #5
Q (cfs) Hyd. No. 13 --10 Yr
24.00
20.00
16.00
12.00
8.00
4.00
0.00 -~
0.0
Hyd No. 13
0.1
Q (cfs)
24.00
20.00
16.00
12.00
8.00
4.00
--~ 0.00
0.2
Time (hrs)
46

47
Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 14
Routed Area #5
Hydrograph type =Reservoir Peak discharge = 0.06 cfs
Storm frequency = 10 yrs Time interval = 1 min
Inflow hyd. No. = 13 .Max. Elevation = 371.06 ft
Reservoir name =WET POND #5 Max. Storage = 6,402 cult
Storage Indication method used.
Q (cfs)
24.00
Routed Area #5
Hyd. No. 14 -10 Yr
Hydrograph Volume = 5,893 tuft
Q (cfs)
24.00
20.00
16.00
12.00
8.00
4.00
20.00
16.00
12.00
-8.00
4.00
0.00 ~ ~ ~ ~ ~ i i i I ~ 0.00
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 14 Hyd No. 13
~ ~ _ r_. _ _ __r __ i .__ _i __.._ {_ _.__.. E _ _ _F__. i_ _ _ ....i

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 5 -WET POND #5
Pond Data
Pond storage is based on known contour areas. Average end area me thod used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (cult)
0.00 370.00 5,531 0 0
1.00 371.00 6,442 5,987 5,987
2.00 372.00 7,409 6,926 12,912
3.00 373.00 8,434 7,922 20,834
4.00 ~ 374.00 9,514 8,974 29,808
Culvert /Orifice Structures Weir Structures
[Al [B] [C] ID] [Al IBI [Cl [Dl
Rise (in) = 24.00 1.50 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 1.50. 0.00 0.00 Crest EI. (ft) = 372.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 367.00 370.00 0.00 0.00 Weir Type =Riser - - --
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No E~Itration = 0 .000 in/hr (Contour) Tail water Elev. = 0.00 ft
Note: CulverUOrifice outnows have been analyzed under inlet and outlet control.
Stage (ft)
4.00
3.00
2.00
1.00
0.00 ~--
0.00
Stage /Discharge
Stage (ft)
4.00
4.00
Total Q
3.00
2.00
1.00
0.00
8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00
Discharge (cfs)
48

Hydrograph Plot
Hydraflow Hydrographs by lntelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 16
Drainage Area #6
Hydrograph type =Rational Peak discharge = 43.63 cfs
Storm frequency = 10 yrs Time interval = 1 min
Drainage area = 9.4 ac Runoff coeff. = 0.64
Intensity = 7.222. in/hr Tc by User 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 13,090 cult
Q (cfs)
50.00
40.00
Drainage Area #6
Hyd. No. 16 --10 Yr
30.00
20.00
10.00
0.00
Q (cfs)
50.00
40.00
30.00
20.00
10.00
0 00
49
0.0 0.1 0.2
Hyd No, 16 Time (hrs)

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 17
Routed Area #6
Hydrograph type =Reservoir Peak discharge = 0.09 cfs
Storm frequency = 10 yrs Time interval = 1 min
Inflow hyd. No. = 16 Max. Elevation = 377.15 ft
Reservoir name =WET POND #6 Max. Storage = 13,058 cult
Storage Indication method used.
Q (cfs)
50.00
40.00
30.00
20.00
10.00
0 00
Routed Area #6
Hyd. No. 17 -10 Yr
Hydrograph Volume = 10,684 tuft
Q (cfs)
50.00
40.00
30.00
20.00
10.00
0 00
50
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 17 Hyd No. 16

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 6 -WET POND #6
Pond Data
Pond storage is based on known contour areas. Average end area me thod used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult)
0:00 375.00. 5,084 0 0
1.00 376.00 5,958 5,521 5,521
2.00 377.00 6,888 6,423 11,944
3.00 378.00 7,875 7,382 19,326
4.00 379.00 8,919 8,397 27,723
51
Culvert /Orifice Structures Weir Structures
IAl [Bl [Cl IDl IAl IBl [C] IDl
Rise (in) = 24.00 1.50 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 1.50 0.00 0.00 Crest EI. (ft) = 377.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 368.00 375.00 0.00 0.00 Weir Type =Riser - - -
Length (ft) = 50.00 0.00 0.00 0.00 Multistage =Yes No No No
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multistage = n/a Yes No No E~Itration = 0 .000 in/hr (Contour) Tai lwater Elev. = 0.00 ft
Note: Culverf/Orifice outflows have been analyzed under inlet and outlet control
Stage (ft)
4.00
3.00
2.00
1.00
Stage /Discharge
Stage (ft)
4.00
3.00
2.00
1.00
0.00 , ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 0.00
0.00 -5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.00 45.00 50.00
Discharge (cfs)
Total Q

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 19
Drainage Area #7
Hydrograph type =Rational Peak discharge = 7.28 cfs
Storm frequency = 10 yrs Time interval = 1 min
Drainage area = 1.8 ac Runoff coeff. = 0.56
Intensity = 7.222 in/hr Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 2,184 cuff
Q (cfs)
8.00
6.00
4.00
2.00
0.00 -~-
0.0
Hyd No. 19
Drainage Area #7
Hyd. No. 19 --10 Yr
0.1
Q (cfs)
8.00
6.00
4.00
2.00
-~- 0.00
0.2
Time (hrs)
52

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 20
Routed Pond #7
Hydrograph type =Reservoir Peak discharge = 0.03 cfs
Storm frequency = 10 yrs Time interval '= 1 min
Inflow hyd. No. = 19 Max. Elevation = 354.15 ft
Reservoir name =WET POND #7 .Max. Storage = 2,174 cult
Storage Indication method used.
Q (cfs)
8.00
6.00
4.00
2.00
0.00 -u
0
Hydrograph Volume = 2,155 cult
Routed Pond #7
Hyd. No. 20 --10 Yr
53
Q (cfs
8.00
5 9
Hyd No. 20
6.00
4.00
2.00
~ 0.00
14 19 23 28 33 37 42 47 51
Time (hrs)
- Hyd No. 19

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 9 -WET POND #7
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (tuft)
0.00 353.00 1,567 0 0
1.00 354.00 2,065 1,816 1,816
2.00 355.00 2,620 2,343 4,159
3.00 356.00 3,229 2,925 7,083
4.00 357.00 3,897 3,563 10,646
Culvert /Orifice Structures Weir Structures
[A] [B] f~] [Dl [Al IBI [~l [D]
Rise (in) = 18.00 1.00 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 18.00 1.00 0.00 0.00 Crest EI. (ft) _ 355.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 OAO
Invert EI. (ft) = 350.00 353.00 0.00 0.00 Weir Type =Riser -- -- -
Length (ft) = 50.00 0.00 0.00 0.00 Multistage =Yes No No No
Slope (%) = 2.00 0.00 0.00 0.00
N-Value _ .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multistage n/a .Yes No No E~Itration = 0 .000 in/hr (Contour) Tai lwater Elev. = 0.00 ft
Note: CulverUOrifice outflows have been analyzed underiniet and outlet control.
Stage (ft)
4.00
3.00
Stage /Discharge
2.00
1.00
Stage (ft)
4.00
3.00
2.00
1.00
54
0.00 ' ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 0.00
0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00
Discharge (cfs)
Total Q

Hydrograph Plot
55
Hydraflow Hydrographs by Intelisolve
Hyd. No. 22
Drainage Area #8
Hydrograph type =Rational
Storm frequency 10 yrs
Drainage area = 4.7 ac
Intensity = 7.222 in/hr
IDF Curve =Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 16.43 cfs
Time interval = 1 min
Runoff coeff. = 0.48
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 4,930 tuft
Q (cfs)
18.00
15.00
Drainage Area #8
Hyd. No. 22 -10 Yr
12.00
9.00
6.00
3.00
0.00 -~ '
0.0 0.1
Hyd No: 22
Q (cfs)
18.00
15.00
12.00
9.00
6.00
3.00
0.2
Time (hrs)
0 00

56
Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 23
Routed Area #8
Hydrograph type =Reservoir Peak discharge = 0.03 cfs
Storm frequency = 10 yrs Time interval = 1 min
Inflow hyd. No. = 22 Max. Elevation = 367.61 ft
Reservoir name =WET POND #8 Max. Storage = 4,917 cult
Storage Indication method used. Hydrograph Volume = 4,083 cult
Q (cfs)
18.00
15.00
12.00
9.00
6.00
3.00
0 00
Routed Area #8
Hyd. No. 23 --10 Yr
Q (cfs)
1$.00
15.00
12.00
9.00
6.00
3.00
0 00
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 23 Hyd No. 22

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 7 -WET POND #8
Pond Data
Pond storage is based on know n contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 366.00 2,491 0 0
1.00 367.00 3,111 2,801 2,801
2.00 368.00 3,788 3,450 6,251
3.00 369.00 4,521 4,155 10,405
4.00 370.00 5,311 4,916 15,321
Culvert /Orifice Structures
IAl IBl [Cl [D1
Rise (in) = 24.00 1.00 0.00 0.00
Span (in) = 24.00 1.00 0.00 0.00
No. Barrels = 1 1 0 0
Invert EI. (ft) = 361.00 366.00 0.00 0.00
Length (ft) = 50.00 0.00 0.00 0.00
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No

Stage (ft)
4.00
3.00
Weir Structures
IAl IBI [C] [Dl
Crest Len (ft) = 11.00 0.00 0.00 0.00
Crest EI. (ft) = 368.50 0.00 0.00 0.00
Weir Coeff. = 3.33 0.00 0.00 0.00
Weir Type =Riser - - ---
Multi-Stage =Yes No No No
E~Itration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: Culvert/Or~ce outflows have been analyzed under inlet and outlet control.
Stage /Discharge
2.00
1.00
Stage (ft)
4.00
3.00
-2.00
1.00
57
0.00 0.00
0.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00 44.00
Total Q Discharge (cfs)

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 25
Drainage Area #9
Hydrograph type =Rational
Storm frequency = 10 yrs
Drainage area = 9.4 ac
Intensity = 7.222 in/hr
IDF Curve =Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge
- = 30.65 cfs
Time interval 1 min
Runoff coeff. = 0.45
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 9,194 cult
Q (cfs)
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0 00
Drainage Area #9
Hyd. No. 25 -- 10 Yr
0.0
Hyd No. 25
0.1
Q (cfs)
35.00
30:00
25.00
20.00
15.00
10.00
5.00
-"- 0.00
0.2
Time (hrs)
58

59
Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 26
Routed Area #9
Hydrograph type =Reservoir Peak discharge = 0.14 cfs
Storm frequency = 10 yrs Time interval = 1 min
Inflow hyd. No. = 25 Max. Elevation = 359.80 ft
Reservoir name =WET POND #9 Max. Storage = 9,143 cult
Storage Indication method used. Hydrograph Volume = 9,130 tuft
Q (cfs)
35.00
30.00
Routed Area #9
Hyd. No. 26 - 10 Yr
25.00
20.00
15.00
10.00
5.00

0.00 ~
0
5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 26 Hyd No. 25

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 8 -WET POND #9
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult)
0.00 358.00 8,226 0 0
1.00 359.00 930 4,578 4,578
2.00 360.00 10,490 5,710 10,288
3.00 361.00 11,707 11,099 21,387
4.00 362.00 12,980 12,344 33,730
Culvert /Orifice Structures Weir Structures
[A] [B] [~l [Dl [Al [B] [~] [D]
Rise (in) = 24.00 2.00 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 2.00 0.00 0.00 Crest EL (ft) _ 360.50 0.00 0.00 .0.00
No. Barrels = 1 1 0 0 Weir Cceff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 355.00 358.00 0.00 0.00 Weir Type =Riser -- - -
Length (ft) = 50.00 0.00 0.00 0.00 Multistage =Yes No No No
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. _ 0.60 0.60 0.00 0.00
Multi-Stage n/a Yes No No E~Itration = 0.000 in/hr (Contour) Tailwater Elev. _ .0.00 ft
Note: Culvert/Orfice outflows have been analyzed under inlet and outlet control.
Stage (ft)
4.00
3.00
2.00
1.00
0.00 -L-
0.00
Stage /Discharge
Stage (ft)
4.00
4.00 8.00 12.00
Total Q
3.00
2.00
1.00
' 0.00
16.00 20.00 24.00 28.00 32.00 36.00 40.00
Discharge (cfs)
60

Hydrograph Plot
Drainage Area #10
Hyd. No. 28 - 10 Yr
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 28
Drainage Area #10
Hydrograph type = Rational Peak discharge = 9.14 cfs
Storm frequency = 10 yrs Time interval = 1 min
Drainage area = 2.1 ac Runoff coeff. = 0.6
Intensity = 7.222 in/hr Tc by User = 5 min
IDF Curve = Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 2,743 cult
Q (cfs)
10.00
8.00
6.00
4.00
2.00
0 00
61
Q (cfs)
10.00
8.00
6.00
4.00
2.00
0 00
i i ~
0.0
Hyd No. 28
0.1 0.2
Time (hrs)

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 29
Routed Area #10
Hydrograph type =Reservoir
Storm frequency = 10 yrs
Inflow hyd. No. = 28
Reservoir name = ,WET POND #10
RoutedArea #10
Hyd. No. 29 -- 10 Yr
Storage Indication method used.
Q (cfs)
10.00
8.00
6.00
4.00
2.00
0 00
62
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 0.03 cfs
Time interval = 1 min
Max. Elevation = 367.39 ft
Max. Storage = 2,732 cult
Hydrograph Volume = 2,693 cult
Q (cfs)
10.00
8.00
6.00
4.00
2.00
0 00
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 29 Hyd No. 28

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 10 -WET POND #10
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult)
0.00 366.00 1,567 0 0
1.00 367.00 2,064 1,816 1,816
2.00 368.00 2,619 2, 342 4,157
3.00 369.00 3,230 2,925 7,082
4.00 370.00 3,897 3,564 10,645
Culvert /Orifice Structure s Weir Structures
[A] [BI [C] [DI IA] LBI [C] [DI
Rise (in) = 24.00 1.00 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 1.00 0.00 0.00 Crest EI. (ft) = 368.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0:00 0.00
Invert EI. (ft) = 363.00 366.00 0.00 0.00 Weir Type =Riser --- -- ---
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: Culvert/Orifice outflows have been analyzed under inlet and outlet control.
Stage (ft)
4.00
3.00
2.00
1.00
0.00 ~
0.00
Stage /Discharge
Stage (ft)
4.00
4.00
Total Q
3.00
2.00
1.00
I ~ ~ ~ ~ ~ ~ ~ ~ 0.00
8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00
Discharge (cfs)
63

64
Hydrograph Summary Report
Hyd.
No. Hydrograph
type
(origin) Peak
flow
(cfs) Time
interval
(min) Time to
peak
(min) Volume

(cult) Inflow
hyd(s) Maximum
elevation
(ft) Maximum
storage
(cult) Hydrograph
description
1 Rational 51.81 1 5 15,542 -- --- -- Drainage Area #1
2 Reservoir 0.13 1 10 13,970 1 378.59 15,495 Routed Pond #1
4 Rational 105.80 1 5 31,741 --- --- -- Drainage Area #2
5 Reservoir 0.71 1 10 31,624 4 366.02 31,481 Routed Pond #2
7 Rational 36.41 1 5 10,923 -- - - Drainage Area #3
8 Reservoir 0.08 1 10 9,365 7 368.85 10,893 Routed Pond #3
10 Rational 54.72 1 5 16,415 - - Drainage Area #4
11 Reservoir 0.52 1 10 16,354 10 364.67 16,236 Routed Pond #4
13 Rational 28.66 1 5 8,597 -- - Drainage Area #5
14 Reservoir 0.07 1 10 7,591 13 371.37 8,572 Routed Area #5
16 Rational 58.40 1 5 17,521 -- - - Drainage Area #6
17 Reservoir 3.55 1 10 13,843 16 377.71 17,160 Routed Area #6
19 Rational 9.74 1 5 2,923 --- - - Drainage Area #7
20 Reservoir 0.03 1 10 2,862 19 354.47 2,911 Routed Pond #7
22 Rational 21.99 1 5 6,598 -- -- - Drainage Area #8
23 Reservoir 0.04 1 10 4,982 22 368.08 6,584 Routed Area #8
25 Rational 41.02 1 5 12,306 --- - - Drainage Area #9
26 Reservoir 0.15 1 10 12,178 25 360.18 12,248 Routed Area #9
28 Rational 12.24 1 5 3,671 - -- - Drainage Area #10
29 Reservoir 0.03 1 10 3,537 28 367.79 3,658 Routed Area #10
BMP-DESIGN-062206.gpw Return Period: 100 Year Wednesday, Jinn 28 2006, 1:43 PM
Hvdraflow Hvdrograghs by Intelisolve

65
Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 1
Drainage Area #1
Hydrograph type _ Rational Peak discharge = 51.81 cfs
Storm frequency = 100 yrs Time interval 1 min
Drainage area = 12.2 ac Runoff coeff. = 0.44
Intensity = 9.667 in/hr Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume =15,542 cult
Q (cfs)
60.00
50.00
Drainage Area #1
Hyd. No. 1 --100 Yr
40.00
30..00
20.00
10.00
0 00
Q (cfs)
60.00
50.00
40.00
30.00
20.00
10.00
0 oa
0.0 0.1 0.2
Time (hrs)
Hyd No. 1

66
Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 2
Routed Pond #1
Hydrograph type =Reservoir Peak discharge = 0.13 cfs
Storm frequency = 100 yrs Time interval = 1 min
Inflow hyd. No. = 1 Max. Elevation = 378.59 ft
Reservoir name =WET POND #1 Max. Storage = 15,495 cult
Storage Indication method used.
Q (cfs)
60.00
50.00
40.00
Routed Pond #1
Hyd. No. 2 -100 Yr
Hydrograph Volume = 13,970 cult
30.00
20.00
10.00
Q (cfs)
60.00
b0.00
40.00
30.00
20.00
10.00
0.00 " ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 0.00
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 2 Hyd No. 1

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 3 -WET POND #1
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Totai storage (tuft)
0.00 377.00 8,743 0 0
1.00 378.00 9,864 9,304 9,304
2.00 379.00 11,041 10,453 19,756
3.00 380.00 12,276 11,659 31,415
Culvert /Orifice Structures Weir Structures
LA] LB] [C] ID] LA] IB] [Cl LD]
Rise (in) = 24.00 2.00 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 2.00 0.00 0.00 Crest EI. (ft) = 379.00 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 374.00 377.00 0.00 0.00 Weir Type =Riser - -- -
Length (ft) = 62.00 0.00 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 1.59 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No E~Itration = 0 .000 in/hr (Contour) Tai lwater Elev. = 0.00 ft
Note: CuIveNOrifice outflows have been analyzed under inlet and outlet control.
Stage (ft;
3.00
2.00
1.00
Stage (ft)
3.00
2.00
1.00
67
0.00 0.00
0.00 3.00 6.00 9.00 12.00 15.00 18.00 21.00 24.00 27.00 30.00 33.00
Discharge (cfs)
Total Q

s$
Hydrograph Plot .
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 4
Drainage Area #2
Hydrograph type =Rational Peak discharge = 105.80 cfs
Storm frequency = 100 yrs Time interval = 1 min
Drainage area = 19.9 ac Runoff coeff. = 0.55
Intensity 9.667 in/hr Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF - Asc/Rec limb fact = 1/1
Hydrograph Volume = 31,741 cult
Drainage Area #2
Q (cfs) Hyd. No. 4 - 100 Yr
120.00
100.00
80.00
60.00
40.00
20.00
0 00
Q (cfs)
120.00
100.00
80.00
60.00
40.00
20.00
0 00
0.0 0.1 0.2
Hyd No. 4 Time (hrs)

Hydrograph Plot '
Hydraflow Hydrographs by Intelisolve ~ Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 5
Routed Pond #2
Hydrograph type =Reservoir Peak discharge = 0.71 cfs
Storm frequency = 100 yrs Time interval = 1 min
Inflow hyd. No. = 4 Max. Elevation = 366.02 ft
Reservoir name =WET POND #2 Max. Storage = 31,481 cult
Storage Indication method used. Hydrograph Volume = 31,624 cult
Q (cfs)
120.00
100.00
80.00
60.00
40.00
20.00
0 00
Routed Pond #2
Hyd. No. 5 --100 Yr
Q (cfs)
120.00
100.00
80.00
60.00
40.00
20.00
0.00
69
0 4 8 12 15 19 23 27 31 35 38 42
Time (hrs)
Hyd No. 5 Hyd No. 4

Pond Report
Hydraflow Hydrographs by Intelisolve
Pond No. 1 -WET POND #2
Pond Data
Pond storage is based on known contour areas. Average end area method used.
70
Wednesday, Jun 28 2006, 1:43 PM
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult)
0.00 363.00 8,726 0 0
1.00 364.00 9,773 9,250 9,250
2.00 365.00 10,946 10,360 19,609
3.00 366.00 12,259 11,603 31,212
4.00 367.00 13,730 12,995 44,206
5.00 368.00 15,378 14,554 58,760
6.00 369.00 20,000 17,689 76,449
Culvert /Orifice Structures Weir Structures
IAl [BI [Cl IDl [Al [Bl [Cl IDl
Rise (in) = 24.00 4.00 0.00 0.00 Crest Len (ft) = 12.56 0.00 0.00 0.00
Span (in) = 24.00 4.00 0.00 0.00 Crest EI. (ft) = 366.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) _ 360.00 363.00 0.00 0.00 Weir Type =Riser --- - --
Length (ft) 60.00 0.50 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 0.50 0.50 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Stage /Storage Table
Multi-Stage n/a Yes No No E~Itration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
___ __ Note:. CulverUOr~ce outflows have been analyzed under inlet and outlet control.
Stage (ft)
6.00
5.00
4.00
3.00
2.00
1.00
Stage /Discharge
Stage (ft)
6.00
5.00
4.00
3.00
2.00
1.00
0.00 ~
0.00
4.00 8.00
Total Q
0.00
12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00 44.00
Discharge (cfs)

Hydrograph Plot
71
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 7
Drainage Area #3
Hydrograph type =Rational Peak discharge = 36.41 cfs
Storm frequency = 100 yrs Time interval = 1 min
Drainage area = 8.6 ac Runoff coeff. = 0.44
Intensity 9.667 in/hr Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 10,923 tuft
Q (cfs)
40.C^
30.(
20.(
10.(
0.(,,,
0.0
Hyd No. 7
Drainage Area #3
Hyd. No. 7 -100 Yr
0.1
Q (cfs)
40.00
30.00
20.00
10.00
0.00
0.2
Time (hrs)

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 8
Routed Pond #3
Hydrograph type =Reservoir Peak discharge = 0.08 cfs
Storm frequency = 100 yrs Time interval = 1 min
Inflow hyd. No. = 7 Max. Elevation = 368.85 ft
Reservoir name =WET POND#3 Max. Storage = 10,893 cuft
Storage Indication method used.
Q (cfs)
40.00
Routed Pond #3
Hyd. No. 8 --100 Yr
30.00
20.00
Hydrograph Volume = 9,365 cult
10.00
Q (cfs)
40.00
30.00
20.00
10.00
0.00 e ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 0.00
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 8 Hyd No. 7
72

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 2 -WET POND #3
Pond Data
Pond storage is based on k nown contour a reas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 367.00 5,081 0 0
1.00 368.00 5,925 5,503 5,503
2.00 369.00 6,826 6,376 11,879
3.00 370.00 7,783 7,305 19,183
4.00 371.00 8,797 8,290 27,473
Culvert /Orifice Structures Weir Structures
[Al IBl [C] IDl IAl LBI [Cl IDl
Rise (in) = 24.00 1.50 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 .1.50 0.00 0.00 Crest EI. (ft) = 369.50. 0.00 0.00 .0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 364.00 367.00 0.00 0.00 Weir Type =Riser - -- -
Length (ft) = 93.00 0.00 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 2.15 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: Culvert/Orifice outflows have tieen analyzed under inlet and outlet control.
-- --
Stage (ft)
4.00
3.00 -
2.00 -
1.00 -
Stage /Discharge
Stage (ft)
4.00
3.00
2.00
1.00
73
0.00 I I I I I I I I I I I 0.00
0.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00
Total Q Discharge (cfs)

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 10
Drainage Area #4
Hydrograph type =Rational
Storm frequency = 100 yrs
Drainage area = 10.7 ac
Intensity = 9.667 in/hr
IDF Curve =Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 54.72 cfs
Time interval = 1 min
Runoff coeff. = 0.53
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 16,415 cult
Q (cfs)
60.00
__ ___--
50.00
Drainage Area #4
Hyd. No. 10 --.100 Yr
40.00
30.00
20.00
10.00
0 00
Q (cfs)
60.00
50.00
40.00
30.00
20.00
10.00
0 00
74
0.0 0.1 0.2
Hyd No. 10 Time (hrs)

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 11
Routed Pond #4
Hydrograph type =Reservoir Peak discharge = 0.52 cfs
Storm frequency = 100 yrs Time interval = 1 min
Inflow hyd. No. = 10 Max. Elevation = 364.67 ft
Reservoir name =WET POND #2 Max. Storage = 16,236 tuft
Storage Indication method used.
Q (cfs)
60.00
50.00
Routed Pond #4
Hyd. No. 11 --100 Yr
Hydrograph Volume = 16,354 tuft
40.00
30.00
20.00
10.00
0 00
Q (cfs)
60.00
50.00
40.00
30.00
20.00
10.00
0.00
75
0 4 7 11 14 18 21 25 28 32 35 39
Time (hrs)
Hyd No. 11 Hyd No. 10

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 1 -WET POND #2
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (cult)
0.00 363.00 8,726 0 0
1.00 364.00 9,773 9,250 9,250
2.00 365.00 10,946 10,360 19,609
3.00 366.00 12,259 11,603 31,212
4.00 367.00 13,730 12,995 44,206
5.00 368.00 15,378. 14,554 58,760
6.00 369.00 20,000 17,689 76,449
Culvert /Orifice Structures Weir Structures
IAI IBl [C] [DI IAl LBl [Cl [Dl
Rise (in) = 24.00 4.00 0.00 0.00 Crest Len (ft) = 12.56 0.00 0.00 0.00
Span (in) = 24.00 4.00 0.00 0.00 Crest EL (ft) = 366.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 360.00 363.00 0.00 0.00 Weir Type =Riser - - -
Length (ft) = 60.00 0.50 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 0.50 0.50 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No Exfiltration = 0 .000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: CuIveNOrifice outflows have been analyzed under inlet and outlet control
Stage (ft)
6.00 6.00
5
00
. 5.00
4.00 4.00
3
00
. 3.00
2
00
. 2.00
1
00
. 1.00
0 00 _.._ . _ __ _ _ n nn
0.00
Stage /Discharge stage (ft)
4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00 44.00
Discharge (cfs)
Total Q
76

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 13
Drainage Area #5
Hydrograph type =Rational
Storm frequency = 100 yrs
Drainage area = 6.1 ac
Intensity = 9.667 in/hr
IDF Curve =Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 28.66 cfs
Time interval = 1 min
Runoff coeff. = 0.49
Tc by User = 5 min
Asc/Rec limb fact = 1/1
Hydrograph Volume = 8,597 cult
Q (cfs)
30.00
25.00
Drainage Area #5
Hyd. No. 13 --100 Yr
20.00
15.00
10.00
5.00
0 00
Q (cfs)
30.00
25.00
20.00
15.00
10.00
5.00
0 00
77
0.0 0.1 0.2
Hyd No. 13 Time (hrs)

78
Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 14
Routed Area #5
Hydrograph type =Reservoir Peak discharge = 0.07 cfs
Storm frequency = 100 yrs Time interval = 1 min
Inflow hyd. No. 13 Max. Elevation = 371.37 ft
Reservoir name =WET POND #5 Max. Storage = 8,572 cult
Storage Indication method used.
Q (cfs)
30.00
25.00
20.00
15.00
10.00
5.00
0 00
Routed Area #5
Hyd. No. 14 -- 100 Yr
Hydrograph Volume = 7,591 cult
Q (cfs)
30.00
25.00
20.00
15.00
10.00
5.00
0 00
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 14 Hyd No. 13

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 5 -WET POND #5
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 370.00 5,531 0 0
1.00 371.00 6,442 5,987 5,987
2.00 372.00 7,409 6,926 12,912
3.00 373.00 8,434 7,922 20,834
4.00 374.00 9,514 8,974 29,808
Culvert /Orifice Structures Weir Structures
LA] IB] [C] IDI IA] IB] [C] LD]
Rise (in) = 24.00 1.50 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 1.50 0.00 0.00 Crest EI. (ft) = 372.50 0.00 0.00 0.00
No. Barrels _ 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 - 0.00
Invert EL (ft) = 367.00 370.00 0.00 0.00 Weir Type =Riser -- - -
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage =Yes No No No_
Slope (%) _ 2.00 0.00 0.00 0.00
N-Value _ .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multistage = n/a Yes No No Exfiltration = 0.000 in/hr (Contour) Tai lwater Elev. = 0.00 ft .
Note: CulverUOrifice outflows have been analyzed under inlet and outlet control
Stage (ft)
4.00
3.00
2.00
1.00
Stage /Discharge
Stage (ft)
4.00
3.00
2.00
1.00
79
0.00 I ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 0.00
0.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00
Discharge (cfs)
Total Q

80
Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 16
Drainage Area #6
Hydrograph type =Rational
Storm frequency = 100 yrs
Drainage area = 9.4 ac
Intensity = 9.667 in/hr
IDF Curve =Raleigh-Durham-020706.IDF
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 58.40 cfs
Time interval = 1 min
Runoff coeff. = 0.64
Tc by User = 5 min
Asc/Rec limb fact = 1 /1
Hydrograph Volume = 17,521 tuft
Q (cfs)
60.00
50.00
Drainage Area #6
Hyd. No. 16 -100 Yr
40.00
30.00
20.00
10.00
0 00
Q (cfs)
60.00
50.00
40.00
30.00
20.00
10.00
0 00
0.0 0.1 0.2
Hyd No. 16 Time (hrs)

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 17
Routed Area #6
Hydrograph type =Reservoir Peak discharge = 3.55 cfs
Storm frequency = 100 yrs Time interval = 1 min
Inflow hyd. No. = 16 Max. Elevation = 377.71 ft
Reservoir name =WET POND #6 Max. Storage = 17,160 cult
Storage Indication method used.
Q (cfs)
60.00
50.00
Routed Area #6
Hyd. No. 17 -100 Yr
Hydrograph Volume = 13,843 tuft
40.00
30.00
20.00
10.00
0 00
Q (cfs)
60.00
50.00
40.00
30.00
20.00
10.00
0 00
81
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 17 Hyd No. 16

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 6 -WET POND #6
Pond Data
Pond storage is based on known contour a reas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult)
0.00 375.00 5,084 0 0
1.00 376.00 5,958 5,521 5,521
2.00 377.00 6,888 6,423 11,944
3.00 378.00 7,875 7,382 19,326
4.00 379.00 - 8,919 8,397 27,723
Culvert /Orifice Structures Weir Structures
[A] IB] [C] [DI [AI LB] [Cl [D]
Rise (in) = 24.00 1.50 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 1.50 0.00 0.00 Crest Ei. (ft) = 377.50 0.00 .0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0:00 0.00 0.00
Invert EI. (ft) = 368.00 375.00 0.00 0.00 Weir Type =Riser - - -
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 2A0 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = .n/a Yes No No Exfiltration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft

__ __ __ Note' Culvert/Orifice outflows have been analyzed under inlet and outlet crontrol.
Stage (ft)
4.00
3.00
1.00
0 00
Stage /Discharge
2.00
1.00
0.00
0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.00 45.00 50.00
Discharge (cfs)
Total Q
82

Hydrograph Plot
83
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 19
Drainage Area #7
Hydrograph type =Rational Peak discharge = 9.74 cfs
Storm frequency = 100 yrs Time interval = 1 min
Drainage area = 1.8 ac Runoff coeff. = 0.56
Intensity = 9.667 in/hr Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 2,923 tuft
Q (cfs)
10.00
8.00
6.00
4.00
2.00
Drainage Area #7
Hyd. No. 19 -- 100 Yr
0.00 --''
0.0
Hyd No. 19
0.1
0.2
Time (hrs)
Q (cfs)
10.00
8.00
6.00
4.00
2.00
0 00

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 20
Routed Pond #7
Hydrograph type =Reservoir
Storm frequency = 100 yrs
Inflow hyd. No. = 19
Reservoir name =WET POND #7
Routed Pond #7
Hyd. No. 20 -100 Yr
Storage Indication method used.
Q (cfs)
10.00
8.00
84
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 0.03 cfs
Time interval = 1 min
Max. Elevation = 354.47 ft
Max. Storage = 2,911 cult
Hydrograph Volume = 2,862 cult
~___ _ _ , __. _. .... a _. ___ , ._ _..._ _., __ _._ . . ......... .._~ _ __ ~ _. ,_. __.. ~ __._..
6.00
4.00
2.00
Q (cfs)
10.00
8.00
6.00
4.00
2.00
0.00 ° I ~ ~ ~ ~ ~ ~ ~ ~ ~ 0.00
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 20 Hyd No. 19

Pond Report

Hydraflow Hydrographs by Intelisolve --
Wednesday, Jun 28 2006, 1:43 PM
Pond No. 9 -WET POND #7
Pond Data
Pond storage is based on known contour areas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 353.00 1,567 0 0
1.00 354.00 2,065 1,816 1,816
2.00 355.00 2,620 2,343 4,159
3.00 356.00 3,229 2,925 7,083
4.00 357.00 3,897 3,563 10,646
Culvert /Orifice Structures Weir Structures
[A] [Bl [~] [D] [A] [g] [~] [D]
Rise (in) = 18.00 1.00 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 18.00 1.00 0.00. 0.00 Crest EI. (ft) = 355.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 350.00 353.00 0.00 0.00 Weir Type =Riser -- - -
Length (ft) = 50.00 0.00 0.00 .0.00 Multi-Stage =Yes No No No
Slope (%) 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes . No No E~Itration = 0.000 in/hr (Contour) Tai lwater Elev. = 0.00 ft
Note: Culvert/Or'fiice outflows have been analyzed under inlet and outlet control.
Stage (ft)
4.00
3.00
2.00
1.00
Stage /Discharge
i
Stage (ft)
4.00
3.00
2.00
1.00
85
0.00 r I I I i i i ~ ~ ~ ~ ~ 0.00
0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00 22.00
Discharge (cfs)
Total Q

86
Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 22
Drainage Area #8
Hydrograph type =Rational Peak discharge = 21.99 cfs
Storm frequency = 100 yrs Time interval = 1 min
Drainage area = 4.7 ac Runoff coeff. = 0.48
Intensity = 9.667 in/hr Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 6,598 tuft
Q (cfs)
24.00
20.00
16.00
Drainage Area #8
Hyd. No. 22 --100 Yr
12.00
8.00
4.00
0.00
0.0
Hyd No. 22
0.1
Q (cfs)
24.00
20.00
16.00
12.00
8.00
4.00
-~ 0.00
0.2
Time (hrs)

87
Hydrograph Plot.
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 23
Routed Area #8
Hydrograph type =Reservoir Peak discharge = 0.04 cfs
Storm frequency = 100 yrs Time interval = 1 min
Inflow hyd. No. = 22 Max. Elevation 368.08 ft
Reservoir name ' =WET POND #8 Max. Storage = 6,584 cult
Storage Indication method used.
Routed Area #8
Q (cfs) ~ Hyd. No. 23 - .100 Yr
24.00
20.00
16.00
12.00
8.00
4.00
Hydrograph Volume = 4,982 cult
Q (cfs)
24.00
20.00
16.00
12.00
8.00
4.00
0.00 ° ~ ~ ~ ~ ~ ~ ~ ~ ~ -_~ 0.00
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 23 Hyd No. 22

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 7 -WET POND #8
Pond Data
Pond storage is based on known contour a reas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 366.00 2,491 0 0
1.00 367.00 3,111 2,801 2,801
2.00 368.00 3,788 3,450 6,251
3.00 369.00 4,521 4,155 10,405
4.00 370.00 5,311 4,916 15,321
Culvert /Ori fice Structures Weir Structu res
[A] IBl [Cl IDl IAI IB] [C] IDI
Rise (in) = 24.00 1.00 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 1.00 . 0.00 0.00 .Crest EI. (ft) = 368.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 361.00 366.00 0.00 0.00 Weir Type =Riser -- -- -
Length (ft) = 50.00 0.00 . 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 :000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No E~Itration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
- -
Note: Culverf/Or~ce outflows have been analyzed under inlet and outlet contro .
Stage (ft)
4.00
3.00
Stage /Discharge
2.00
1.00
Stage (ft)
4.00
3.00
2.00
1.00
0 00 I I I I I I i i ~ ~ ' ' 0.00
88
0.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00 44.00
Discharge (cfs)
Total Q

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve _ Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 25
Drainage Area #9
Hydrograph type =Rational Peak discharge = 41.02 cfs
Storm frequency = 100 yrs Time interval = 1 min
Drainage area = 9.4 ac Runoff coeff. = 0.45
Intensity = 9.667 in/hr Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume =12,306 cult
Q (cfs)
50.00
40.00
30.00
20.00
10.00
0 00
Drainage Area #9
Hyd. No. 25 -- 100 Yr
i iii
Q (cfs)
50.00
40.00
30.00
20.00
10.00
0 00
89
0.0 0.1 0.2
Hyd No. 25 Time (hrs)

Hydrograph Plot
90
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd. No. 26
Routed Area #9
Hydrographtype =Reservoir Peak discharge = 0.15 cfs.
Storm frequency = 100 yrs Time interval = 1 min
Inflow hyd. No. = 25 Max. Elevation = 360.18 ft
Reservoir name =WET POND #9 Max. Storage = 12,248 cult
Storage Indication method used.
Q (cfs)
50.00
40.00
Routed Area #9
Hyd. No. 26 -- 100 Yr
Hydrograph Volume = 12,178 cult

30.00
20.00
10.00
0 00
Q (cfs)
50.00
40.00
30.00
20.00
10.00
0.00
0 5 10 15 19 24 29 34 39 44 48
Time (hrs)
Hyd No. 26 Hyd No. 25

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 8 -WET POND #9
Pond Data
Pond storage is based on known contour a reas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 358.00 8,226 0 0
1.00 359.00 930 4,578 4,578
2.00 360.00 10,490 5,710 10,288
3.00 361.00 11,707 11,099 21,387
4.00 362.00 12,980 12,344 33,730
Culvert I Orifice Structures Weir Structu res
IAI IBl [Cl IDl IAI IBI [C] ID]
Rise (in) = 24.00 2.00 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 2.00 0.00 0.00 Crest EI. (ft) = 360.50 0.00 0.00. 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 355.00 358.00 0.00 0.00 Weir Type =Riser - - --
Length (ft) = 50.00 0.00 0.00 0.00 Multistage =Yes No No No
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage n/a Yes No No E~Itration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
Note: CuIveNOrifice outflows have been analyzed under inlet and outlet control.
Stage (ft)
4.00
3.00
Stage /Discharge
2.00
1.00
Stage (ft)
4.00
3.00
2.00
1.00
91
0.00 ' ' ' ' ' ' ' ' ' ' ' 0.00
0.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00
Total Q Discharge (cfs)

92
Hydrograph Plot
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hyd.- No. 28
Drainage Area #10
Hydrograph type =Rational Peak discharge = 12.24 cfs
Storm frequency = 100 yrs Time interval = 1 min
Drainage area = 2.1 ac Runoff coeff. = 0.6
Intensity = 9.667 in/hr Tc by User = 5 min
IDF Curve =Raleigh-Durham-020706.IDF Asc/Rec limb fact = 1/1
Hydrograph Volume = 3,671 cult
Q (cfs)
14.00
12.00
10.00
.........._ .. ..........................
8.00
6.00
___ _._.
4.00
2.00
0 00
Drainage Area #10
Hyd. No. 28 --100 Yr
Q (cfs)
14.00
12.00
10.00
8.00
6.00
4.00
2.00
0.00
0.0 0.1 0.2
Time (hrs)
Hyd No. 28

Hydrograph Plot
Hydraflow Hydrographs by Intelisolve
Hyd. No. 29
Routed Area #10
Hydrograph type =Reservoir
Storm frequency = 100 yrs
Inflow hyd. No. = 28
Reservoir name =WET POND #10
Storage Indication method used.
93
Wednesday, Jun 28 2006, 1:43 PM
Peak discharge = 0.03 cfs
Time interval = 1 min
Max. Elevation = 367.79 ft
Max. Storage = 3,658 cult
Hydrograph Volume = 3,537 tuft
Routed Area #10
Q (cfs) Hyd. No. 29 --100 Yr Q (cfs)
14.00
12:00
10.00
8.00
6.00
4.00
2.00
0 00
14.00
12.00
10.00
8.00
6.00
4.00
2.00
0 00
0 5 10 15 19 24 29 34 39 44 48
Hyd No. 29 Hyd No. 28 Time (hrs)

Pond Report
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Pond No. 10 -WET POND #10
Pond Data
Pond storage is based on known contour a reas. Average end area method used.
Stage /Storage Table
Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft)
0.00 366.00 1, 567 0 0
1.00 367.00 2,064 1,816 1,816
2.00 368.00 2,619 2,342 4,157
3.00 369.00 3,230 2,925 7,082
4.00 370.00 3,897 3,564 10,645
Culvert /Orifice Structures Weir Structures
IA] [B] [C] LD] IAI [B] [Cl IDI
Rise (in) = 24.00 1.00 0.00 0.00 Crest Len (ft) = 11.00 0.00 0.00 0.00
Span (in) = 24.00 1.00 0.00 0.00 Crest EI. (ft) = 368.50 0.00 0.00 0.00
No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 0.00 0.00 0.00
Invert EI. (ft) = 363.00 366.00 0.00 0.00 Weir Type =Riser - --
Length (ft) = 50.00 0.00 0.00 0.00 Multi-Stage =Yes No No No
Slope (%) = 2.00 0.00 0.00 0.00
N-Value = .013 .013 .000 .000
Orif. Coeff. = 0.60 0.60 0.00 0.00
Multi-Stage = n/a Yes No No E~Itration = 0.000 in/hr (Contour) Tailwater Elev. = 0.00 ft
_-- - Note: CulverUOr~ce outflows have been analyzed under inlet and outlet control.
Stage (ft)
4.00
3.00
Stage /Discharge
2.00
1.00
Stage (ft)
4.00
3.00
2.00
1.00
94
0.00 t ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 0.00
0.00 4.00 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 40.00
Discharge (cfs)
Total Q

Table of Contents
B M P-DESIGN-06 2 206. g pw
Hydraflow Hydrographs by Intelisolve Wednesday, Jun 28 2006, 1:43 PM
Hydrograph Return Period Recap ...................................................................... 1
2 -Year
Summary Report ...................................:............................................................................. 2
Hydrograph Reports ........................................................................................................... 3
Hydrograph No. 1, Rational, Drainage Area #1 ................................................................ 3
Hydrograph No. 2, Reservoir, Routed Pond #1 ................................................................ 4
Pond Report ................................................................................................................. 5
Hydrograph No. 4, Rational, Drainage Area #2 ................................................................ 6
Hydrograph No. 5, Reservoir, Routed Pond #2 ................................................................ 7
Pond Report ................................................................................................................. 8
Hydrograph No. 7, Rational, Drainage Area #3 ................................................................ 9
Hydrograph No. 8, Reservoir, Routed Pond #3 .............................................................. 10
Pond Report ............................................................................................................... 11
Hydrograph No. 10, Rational, Drainage Area #4 :........................................................... 12
Hydrograph No. 11, Reservoir, Routed Pond #4 ............................................................ 13
Pond Report ...............................................:............................................................... 14
Hydrograph No. 13, Rational, Drainage Area #5 ............................................................ 15
Hydrograph No. 14, Reservoir, Routed Area #5 ............................................................. 16
Pond Report ............................................................................................................... 17
Hydrograph No. 16, Rational, Drainage Area #6 ............................................................ 18
Hydrograph No. 17, Reservoir, Routed Area #6 ............................................................. 19
Pond Report ..........:.................................................................................................... 20
Hydrograph No. 19, Rational, Drainage Area #7 ............................................................ 21
Hydrograph No. 20, Reservoir, Routed Pond #7 ............................................................ 22
. Pond Report ............................................................................................................... 23
Hydrograph No. 22, Rational, Drainage Area #8 ............................................................ 24
Hydrograph No. 23, Reservoir, Routed Area #8 ............................:................................ 25
Pond Report .............................................................................................................:. 26
Hydrograph No. 25, Rational, Drainage Area #9 ............................................................ 27
Hydrograph No. 26, Reservoir, Routed Area #9 ............................................................. 28
Pond Report ............................................................................................................... 29
Hydrograph No. 28, Rational, Drainage Area #10 ....:..................................................... 30
Hydrograph No. 29, Reservoir, Routed Area #10 ........................................................... 31
Pond Report ............................................................................................................... 32
10 -Year
Summary Report ............................................................................................................... 33
Hydrograph Reports ......................................................................................................... 34
Hydrograph No. 1, Rational, Drainage Area #1 .............................................................. 34
Hydrograph No. 2, Reservoir, Routed Pond #1 .............................................................. 35
Pond Report .......................................................................................:........................ 36
Hydrograph No. 4, Rational, Drainage Area #2 .............................................................. 37
Hydrograph No. 5, Reservoir, Routed Pond #2 .............................................................. 38
Pond Report ............................................................................................:.................. 39
Hydrograph No. 7, Rational, Drainage Area #3 .............................................................. 40
Hydrograph No. 8, Reservoir, Routed Pond #3 .............................................................. 41
Pond Report ............................................................................................................... 42

Contents
B M P-DESIGN-062 2 06. g pw
Hydrograph No. 10, Rational, Drainage Area #4 ............................................................ 43
Hydrograph No. 11, Reservoir, Routed Pond #4 ............................................................ 44
Pond Report ............................................................................................................... 45
Hydrograph No. 13, Rational, Drainage Area #5 ............................................................ 46
Hydrograph No. 14, Reservoir, Routed Area #5 ............................................................. 47
Pond Report ..................................................:...........................................:................ 48
Hydrograph No. 16, Rational, Drainage Area #6 ............................................................ 49
Hydrograph No. 17, Reservoir, Routed Area #6 ..............................................:.............. 50
Pond Report :.............................................................................................................. 51
Hydrograph No. 19, Rational, Drainage Area #7 ............................................................ 52
Hydrograph No. 20, Reservoir, Routed Pond #7 ......................................:..................... 53
Pond Report ...........................:................................................................................... 54
Hydrograph No. 22, Rational, Drainage Area #8 ................:........................................... 55
Hydrograph No. 23, Reservoir, Routed Area #8 ...............................................:............. 56
Pond Report .....................................:............................................................:............ 57
Hydrograph No. 25, Rational, Drainage Area #9 ............................................................ 58
Hydrograph No. 26, Reservoir, Routed Area #9 ...:...:................................:.................... 59
Pond Report ...............................................:.:.........:................:................:................. 60
Hydrograph No. 28, Rational, Drainage Area #10 .......................................................... 61
Hydrograph No. 29, Reservoir, Routed Area #10 ......: ................:...............................:... 62
Pond Report ......................................................................................................:........ 63
100 -Year
Summary Report ...............................................................................................................
Hydrograph Reports .........................................................................................
..: 64
65
.
............
Hydrograph No. 1, Rational, Drainage Area #1 ..........................................................:... 65
Hydrograph No. 2, Reservoir, Routed Pond #1 .............................................................. 66
Pond Report ............................................................................................................... 67
Hydrograph No. 4, Rational, Drainage Area #2 .........................:.................................... 68
Hydrograph No. 5, Reservoir, Routed Pond #2 .............................................................. 69
Pond Report .......:.......................................:.......................:....................................... 70
Hydrograph No. 7, Rational, Drainage Area #3 .........:...................................:................ 71
Hydrograph No. 8, Reservoir, Routed Pond #3 .....:........:..........................:...................: 72
Pond Report ..:................:...................................:..:.....::........:.................,...:..:.::.:...... 73
Hydrograph No. 10, Rational, Drainage Area #4 ....:...................................:................... 74
Hydrograph No. 11, Reservoir, Routed Pond #4 :..::....:.................................................. 75
Pond Report .....................................................:....:.................................................... 76
Hydrograph No. 1~3, Rational, Drainage Area #5 ..................:...::......:......................:...... 77
Hydrograph No: 14, Reservoir, Routed Area #5 ..........:.................................................. 78
Pond Report- ...............................................................:.............:..................:.....:..:..:.. 79
Hydrograph No. 16, Rational, Drainage Area #6 .........:...........:...................................... 80
Hydrograph No. 17, Reservoir, Routed Area #6 ........:..:..............:.::................:.............. 81
Pond Report ........................:..:..................:.......................................................:........ 82
Hydrograph No. 19, Rational, Drainage Area #7 ........................:................................... 83
Hydrograph No. 20, Reservoir, Routed Pond #7 ........:.:................................................. 84
Pond Report .......................................:................:.....................................:................ 85
Hydrograph No. 22, Rational, Drainage Area #8 :.......:................................................... 86
Hydrograph No. 23, Reservoir, Routed Area #8 ..................................................:.......... 87
Pond Report ................................:..................................................................:........... 88
.Hydrograph No. 25, Rational, Drainage Area #9 .....................................:...................... 89

Contents BMP-DESIGN-062206.gpw
Hydrograph No. 26, Reservoir, Routed Area #9 ............................................................. 90
Pond Report .....................................:......................................................................... 91
Hydrograph No. 28, Rational, Drainage Area #10 .......................................................... 92
Hydrograph No. 29, Reservoir, Routed Area #10 ........................................................... 93
Pond Report .........: ..................................................................................................... 94