SW4240401_Design Calculations_20240801 (2)

Whitehall Village South
Bio-Cell #2 Calculations
Project Location:
3201 Old Hollow Road
Walkertown, NC
CPT Engineering and Surveying, Inc.
4400 Tyning Street
.,
High Point, NC 27265 %••••• HCARo��`,
Phone: [phone] Ext. 304 �,•o�Ess;o. �'%✓a,,
'Z 2•.
Fax: [phone] = `•2 SEAL
_ �•;
n 14,934
•
Charles P. Truby, Jr. PE PLS •: v
[e-mail] `wo ` .......... ,may
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35500

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ems.
35500

PROJECT: Whitehall Village South
AEP NO.: SHEET: 1
DESIGNED BY: CPT DATE: 11/06/23
CHECKED BY: CPT DATE: 11-17-23 Rev.
LOCATION/DESCRIPTION: Bio-cell 2
STAGE - AREA - STORAGE
ELEVATION AREA IN SCM INCR. VOL. CUMUL. VOL.
973.0 8,534
974.0 9,212 8,873 8,873
975.0 9,914 9,563 18,436
976.0 10,630 10,272 28,708 WQ

Table of Contents Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Basin Model Schematic 1
Hydrograph by Return Period 2
1 -Year
Hydrograph Summary 3
Hydrograph Reports
Hydrograph No. 1, NRCS Runoff, Pre-developed#1 4
Tc by TR55 Worksheet 5
Design Storm Report-NRCS/SCS-Type II,24-hr 6
2 -Year
Hydrograph Summary 7
Hydrograph Reports
Hydrograph No. 1, NRCS Runoff, Pre-developed#1 8
Design Storm Report-NRCS/SCS-Type II,24-hr 9
10 -Year
Hydrograph Summary 10
Hydrograph Reports
Hydrograph No. 1, NRCS Runoff, Pre-developed#1 11
Design Storm Report-NRCS/SCS-Type II,24-hr 12
100 -Year
Hydrograph Summary 13
Hydrograph Reports
Hydrograph No. 1, NRCS Runoff, Pre-developed#1 14
Design Storm Report-NRCS/SCS-Type II, 24-hr 15
IDF Report 16
Precipitation Report 17

Basin Model Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Pre-developed#1 Post-developed
1111 1
BioCell2
1

Hydrograph by Return Period Project Name:landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Hyd. Hydrograph Hydrograph Peak Outflow(cfs)
No. Type Name 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
1 NRCS Runoff Pre-developed#1 5.958 8.477 15.74 28.18
2 NRCS Runoff Post-developed 9.319 12.45 21.03 35.13
3 Pond Route BioCell 2 0.975 3.181 14.37 28.91
2

Hydrograph 1 —y r Summary Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum
No. Type Name Flow Peak Volume Hyd(s) Elevation Storage
(cfs) (hrs) (cuft) (ft) (cuft)
1 NRCS Runoff Pre-developed#1 5.958 12.03 15,282 ---
2 NRCS Runoff Post-developed 9.319 11.98 21,092 ----
3 Pond Route BioCell 2 0.975 12.48 12,216 2 974.21 10,902
3

Hydrograph Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Pre-developed #1 Hyd. No. 1
Hydrograph Type = NRCS Runoff Peak Flow = 5.958 cfs
Storm Frequency = 1-yr Time to Peak = 12.03 hrs
Time Interval = 1 min Runoff Volume = 15,282 cuft
Drainage Area = 4.04 ac Curve Number = 79*
Tc Method = TR55 (See Worksheet) Time of Conc. (Tc) = 12.21 min
Total Rainfall = 2.82 in Design Storm = Type II
Storm Duration = 24 hrs Shape Factor = 484
*Composite CN Worksheet
AREA(ac) CN DESCRIPTION
4 04 79 Lawn
4.04 79 Weighted CN Method Employed
Qp = 5.96 cfs
6—
I
I
5_ .
I
4-
3-
0'
- i
2 '
j 1
I 1 1 1 1 r� •
r i 1-11-1
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Time(hrs)
4

Tc by TR55 Worksheet Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Pre-developed #1 Hyd. No. 1
NRCS Runoff
Segments
Description
A B C Tc(min)
Sheet Flow
Description
Manning's n 0.130 0.013 0.013
Flow Length (ft) 100
2-yr, 24-hr Precip. (in) 3.40 3.38 3.38
Land Slope(%) 2
Travel Time(min) 8.48 0.00 0.00 8.48
Shallow Concentrated Flow
Flow Length (ft) 650
Watercourse Slope(%) 3.23 0.00 0.00
Surface Description Unpaved Paved Paved
Average Velocity(ft/s) 2.9
Travel Time(min) 3.74 0.00 0.00 3.74
Channel Flow
X-sectional Flow Area(sqft)
Wetted Perimeter(ft)
Channel Slope(%)
Manning's n 0.013 0.013 0.013
Velocity(ft/s)
Flow Length(ft)
Travel Time(min) 0.00 0.00 0.00 0.00
Total Travel Time 12.21 min
5

Design Storm Report Custom Storm filename:
Hydrology Studio v 3.0.0.32 07-10-2024
Storm Distribution: NRCS/SCS - Type II, 24-hr
Storm Total Rainfall Volume(in)
Duration ✓1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
24 hrs 2.82 3.40 0.00 4.27 4.95 5.91 6.68 7.48
Incremental Rainfall Distribution, 1-yr
Time Precip Time Precip Time Precip Time Precip Time Precip
(hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in)
11.42 0.005226 11.60 0.015842 11.78 0.041201 11.97 0.038802 12.15 0.007929
11.43 0.005302 11.62 0.017697 11.80 0.046361 11.98 0.027060 12.17 0.007750
11.45 0.005377 11.63 0.019552 11.82 0.051520 12.00 0.015318 12.18 0.007572
11.47 0.005452 11.65 0.021407 11.83 0.056680 12.02 0.009673 12.20 0.007393
11.48 0.005527 11.67 0.023262 11.85 0.061839 12.03 0.009179 12.22 0.007215
11.50 0.005602 11.68 0.025117 11.87 0.066999 12.05 0.009001 12.23 0.007036
11.52 0.006589 11.70 0.026972 11.88 0.072159 12.07 0.008822 12.25 0.006857
11.53 0.008422 11.72 0.028827 11.90 0.077318 12.08 0.008643 12.27 0.006679
11.55 0.010277 11.73 0.030682 11.92 0.082478 12.10 0.008465 12.28 0.006500
11.57 0.012132 11.75 0.032537 11.93 0.053933 12.12 0.008286 12.30 0.006322
11.58 0.013987 11.77 0.035769 11.95 0.050545 12.13 0.008108 12.32 0.006143
2.8- - - _ --.-i
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0 2 4 6 8 10 12 14 16 18 20 22 24
Time (hrs)
6

Hydrograph 2—yr Summary Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum
No. Type Name Flow Peak Volume Hyd(s) Elevation Storage
(cfs) (hrs) (cuft) (ft) (cuft)
1 NRCS Runoff Pre-developed#1 8.477 12.02 21,491 ---
2 NRCS Runoff Post-developed 12.45 11.98 28,297 ----
3 Pond Route BioCell 2 3.181 12.17 19,421 2 974.47 13,349
7

Hydrograph Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Pre-developed #1 Hyd. No. 1
Hydrograph Type = NRCS Runoff Peak Flow = 8.477 cfs
Storm Frequency = 2-yr Time to Peak = 12.02 hrs
Time Interval = 1 min Runoff Volume = 21,491 cuft
Drainage Area = 4.04 ac Curve Number = 79*
Tc Method = TR55 (See Worksheet) Time of Conc. (Tc) = 12.21 min
Total Rainfall = 3.40 in Design Storm = Type II
Storm Duration = 24 hrs Shape Factor = 484
*Composite CN Worksheet
AREA(ac) CN DESCRIPTION
4.04 79 Lawn
4.04 79 Weighted CN Method Employed
Qp = 8.48 cfs
9-
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0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Time (hrs)
8

Design Storm Report Custom Storm filename:
Hydrology Studio v 3.0.0.32 07-10-2024
Storm Distribution: NRCS/SCS - Type II, 24-hr
Storm Total Rainfall Volume(in)
Duration 1-yr ✓2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
24 hrs 2.82 3.40 0.00 4.27 4.95 5.91 6.68 7.48
Incremental Rainfall Distribution,2-yr
Time Precip Time Precip Time Precip Time Precip Time Precip
(hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in)
11.42 0.006301 11.60 0.019100 11.78 0.049675 11.97 0.046783 12.15 0.009560
11.43 0.006392 11.62 0.021337 11.80 0.055896 11.98 0.032626 12.17 0.009344
11.45 0.006483 11.63 0.023573 11.82 0.062117 12.00 0.018468 12.18 0.009129
11.47 0.006573 11.65 0.025810 11.83 0.068338 12.02 0.011663 12.20 0.008914
11.48 0.006664 11.67 0.028046 11.85 0.074558 12.03 0.011067 12.22 0.008698
11.50 0.006755 11.68 0.030283 11.87 0.080779 12.05 0.010852 12.23 0.008483
11.52 0.007944 11.70 0.032519 11.88 0.087000 12.07 0.010637 12.25 0.008268
11.53 0.010155 11.72 0.034756 11.90 0.093220 12.08 0.010421 12.27 0.008052
11.55 0.012391 11.73 0.036992 11.92 0.099441 12.10 0.010206 12.28 0.007837
11.57 0.014628 11.75 0.039229 11.93 0.065026 12.12 0.009990 12.30 0.007622
11.58 0.016864 11.77 0.043126 11.95 0.060940 12.13 0.009775 12.32 0.007406
4- -4
I
j
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3 I
-
t 3
c v
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,n2- ... -2 .
1- l 1
I
0 0
0 2 4 6 8 10 12 14 16 18 20 22 24
Time(hrs)
9

Hydrograph 10-yr Summary Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0,32 07-10-2024
Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum
No. Type Name Flow Peak Volume Hyd(s) Elevation Storage
(cfs) (hrs) (cuft) (ft) (cuft)
1 NRCS Runoff Pre-developed#1 15.74 12.02 39,824 ----
2 NRCS Runoff Post-developed 21.03 11.98 48,716 ---
3 Pond Route BioCell 2 14.37 12.07 39,840 2 974.99 18,368
10

Hydrograph Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Pre-developed #1 Hyd. No. 1
Hydrograph Type = NRCS Runoff Peak Flow = 15.74 cfs
Storm Frequency = 10-yr Time to Peak = 12.02 hrs
Time Interval = 1 min Runoff Volume = 39,824 cuft
Drainage Area =4.04 ac Curve Number = 79*
Tc Method = TR55 (See Worksheet) Time of Conc. (Tc) = 12.21 min
Total Rainfall =4.95 in Design Storm =Type II
Storm Duration = 24 hrs Shape Factor =484
*Composite CN Worksheet
AREA(ac) CN DESCRIPTION
4.04 79 Lawn
4.04 79 Weighted CN Method Employed
Qp = 15.74 cfs
18-
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0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Time(hrs)
11

Design Storm Report Custom Storm filename:
Hydrology Studio v 3.0.0.32 07-10-2024
Storm Distribution: NRCS/SCS - Type II, 24-hr
Storm Total Rainfall Volume(in)
Duration 1-yr 2-yr 3-yr 5-yr ✓10-yr 25-yr 50-yr 100-yr
24 hrs 2.82 3.40 0.00 4.27 4.95 5.91 6.68 7.48
Incremental Rainfall Distribution,10-yr
Time Precip Time Precip Time Precip Time Precip Time Precip
(hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in)
11.42 0.009174 11.60 0.027808 11.78 0.072322 11.97 0.068110 12.15 0.013918
11.43 0.009306 11.62 0.031064 11.80 0.081378 11.98 0.047499 12.17 0.013604
11.45 0.009438 11.63 0.034320 11.82 0.090435 12.00 0.026888 12.18 0.013291
11.47 0.009570 11.65 0.037576 11.83 0.099491 12.02 0.016980 12.20 0.012977
11.48 0.009702 11.67 0.040832 11.85 0.108548 12.03 0.016112 12.22 0.012664
11.50 0.009834 11.68 0.044088 11.87 0.117605 12.05 0.015799 12.23 0.012350
11.52 0.011565 11.70 0.047344 11.88 0.126661 12.07 0.015485 12.25 0.012037
11.53 0.014784 11.72 0.050600 11.90 0.135718 12.08 0.015172 12.27 0.011723
11.55 0.018040 11.73 0.053856 11.92 0.144775 12.10 0.014858 12.28 0.011410
11.57 0.021296 11.75 0.057112 11.93 0.094670 12.12 0.014545 12.30 0.011096
11.58 0.024552 11.77 0.062786 11.95 0.088722 12.13 0.014231 12.32 0.010783
5- -5
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3-
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Ti
a i
2- -2
.
1-
•1
1
0 0
0 2 4 6 8 10 12 14 16 18 20 22 24
Time(hrs)
12

Hydrograph 100-yr Summary Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum
No. Type Name Flow Peak Volume Hyd(s) Elevation Storage
(cfs) (hrs) (cuft) (ft) (cuft)
1 NRCS Runoff Pre-developed#1 28.18 12.02 72,551 ----
2 NRCS Runoff Post-developed 35.13 11.98 83,776 ----
3 Pond Route BioCell 2 28.91 12.03 74,900 2 975.45 22,981
13

Hydrograph Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Pre-developed #1 Hyd. No. 1
Hydrograph Type = NRCS Runoff Peak Flow = 28.18 cfs
Storm Frequency = 100-yr Time to Peak = 12.02 hrs
Time Interval = 1 min Runoff Volume = 72,551 cuft
Drainage Area = 4.04 ac Curve Number = 79*
Tc Method =TR55 (See Worksheet) Time of Conc. (Tc) = 12.21 min
Total Rainfall = 7.48 in Design Storm = Type II
Storm Duration = 24 hrs Shape Factor =484
*Composite CN Worksheet
AREA(ac) CN DESCRIPTION
4,04 79 Lawn
4.04 79 Weighted CN Method Employed
Qp = 28.18 cfs
32- .._.. r i.317 r 1 _ ._ .. ._ �_._ ...
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0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Time (hrs)
14

Design Storm Report Custom Storm filename:
Hydrology Studio v 3.0.0.32 07-10-2024
Storm Distribution: NRCS/SCS - Type II, 24-hr
Storm Total Rainfall Volume(in)
Duration 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 1100-yr
24 hrs 2.82 3.40 0.00 4.27 4.95 5.91 6.68 7.48
Incremental Rainfall Distribution,100-yr
Time Precip Time Precip Time Precip Time Precip Time Precip
(hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in)
11.42 0.013863 11.60 0.042021 11.78 0.109286 11.97 0.102922 12.15 0.021031
11.43 0.014062 11.62 0.046941 11.80 0.122971 11.98 0.071776 12.17 0.020557
11.45 0.014262 11.63 0.051862 11.82 0.136657 12.00 0.040631 12.18 0.020084
11.47 0.014461 11.65 0.056782 11.83 0.150343 12.02 0.025658 12.20 0.019610
11.48 0.014661 11.67 0.061702 11.85 0.164028 12.03 0.024347 12.22 0.019136
11.50 0.014860 11.68 0.066622 11.87 0.177714 12.05 0.023874 12.23 0.018663
11.52 0.017476 11.70 0.071542 11.88 0.191399 12.07 0.023400 12.25 0.018188
11.53 0.022341 11.72 0.076463 11.90 0.205085 12.08 0.022926 12.27 0.017715
11.55 0.027261 11.73 0.081383 11.92 0.218771 12.10 0.022452 12.28 0.017241
11.57 0.032181 11.75 0.086303 11.93 0.143057 12.12 0.021979 12.30 0.016768
11.58 0.037101 11.77 0.094877 11.95 0.134069 12.13 0.021505 12.32 0.016294
8- -8
7- -7
6- -6
5- -5
c -
_ A
.8- 4- -4 -'
Et',
3- 3
2- -2
1- -1
0 0
0 2 4 6 8 10 12 14 16 18 20 22 24
Time (hrs)
15

I DF Report IDF filename:WalkertownNC.idf
07-10-2024
Hydrology Studio v 3.0.0.32
Equation Intensity=B I(Tc+D)^E(in/hr)
Coefficients 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
B 61.0288 69.5351 0.0000 69.7154 66.8888 59.8669 53.2158 48.0210
D 13.0000 13.0000 0.0000 12.7000 12.2000 11.2000 10.2000 9.3000
E 0.8971 0.8821 0.0000 0.8344 0.8000 0.7436 0.6986 0.6598
Minimum Tc=5 minutes
Tc Intensity Values(in/hr)
(min) 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
Cf 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
5 4.56 5.43 0 6.34 6.87 7.55 7.95 8.30
10 3.66 4.38 0 5.15 5.60 6.18 6.52 6.81
15 3.07 3.68 0 4.36 4.76 5.28 5.58 5.85
20 2.65 3.18 0 3.80 4.16 4.64 4.92 5.17
25 2.34 2.81 0 3.37 3.71 4.15 4.42 4.66
30 2.09 2.52 0 3.04 3.35 3.77 4.03 4.26
35 1.89 2.29 0 2.77 3.06 3.46 3.71 3.94
40 1.73 2.10 0 2.55 2.83 3.21 3.45 3.67
45 1.60 1.94 0 2.36 2.63 2.99 3.23 3.44
50 1.48 1.80 0 2.21 2.46 2.81 3.04 3.25
55 1.39 1.68 0 2.07 2.31 2.65 2.87 3.08
60 1.30 1.58 0 1.95 2.18 2.51 2.73 2.93
Cf=Correction Factor applied to Rational Method runoff coefficient.
Sample IDF Curves
g- I J -�
8 � L - -E - 50yr
-2
Syr
f
10yr
- 6_ i - 5yr
2yr
- 1yr
cu
- 4- __ 1
3-
l
1 1 ,1r-i-r--i ji-i-im1-r1-r-i-i-m-i 1 1 r-i-r-1-immr-r--I rl I I . I 1 i-r-r1-r-1 i I i 1 1 1 r-7-1
0 5 10 15 20 25 30 35 40 45 50 55 60
Time (min)
16

Precipitation Report Precipitation filename:WalkertownNC.pcp
Hydrology Studio v 3.0.0.32 (Rainfall totals in Inches) 07-10-2024
Active 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
Active ✓ ✓ ✓ ✓
SCS Storms >SCS Dimensionless Storms
SCS 6hr 1.99 2.41 0 3.00 3.42 4.03 4.49 4.95
Type I,24-hr 0 0 0 0 0 0 0 0
Type IA,24-hr 0 0 0 0 0 0 0 0
Type II,24-hr 1 2.82 3.40 0 4.27 4.95 5.91 6.68 7.48
Type II FL,24-hr 0 0 0 0 0 0 0 0
Type III,24-hr 0 0 0 0 0 0 0 0
Synthetic Storms >IDF-Based Synthetic Storms
1-hr 1.30 1.58 0 1.95 2.18 2.51 2.73 2.93
2-hr 1.52 1.86 0 2.36 2.69 3.19 3.55 3.88
I
3-hr 1.63 2.01 0 2.59 2.99 3.61 4.08 4.53
6-hr 1.81 2.25 0 2.99 3.52 4.41 5.13 5.83
12-hr 1.97 2.48 0 3.40 4.10 5.33 6.38 7.44
24-hr 2.13 2.71 0 3.85 4.74 6.40 7.90 9.46
Huff Distribution >1st Quartile(0 to 6 hrs)
1-hr 0.76 0.98 0 1.33 1.61 2.01 2.34 2.69
2-hr 0.89 1.14 0 1.50 1.80 2.24 2.60 2.99
3-hr 0.98 1.24 0 1.59 1.90 2.33 2.68 3.07
6-hr 1.20 1.50 0 1.86 2.18 2.64 3.01 3.41
Huff Distribution >2nd Quartile(>6 to 12 hrs)
8-hr 0 0 0 0 0 0 0 0
12-hr 0 0 0 0 0 0 0 0
Huff Distribution >3rd Quartile(>12 to 24 hrs)
18-hr 0 0 0 0 0 0 0 0
24-hr 0 0 0 0 0 0 0 0
Custom Storms >Custom Storm Distributions
My Custom Storm 1 0 0 0 0 0 0 0 0
My Custom Storm 2 0 0 0 0 0 0 0 0
My Custom Storm 3 0 0 0 0 0 0 0 0
My Custom Storm 4 0 0 0 0 0 0 0 0 ;--
My Custom Storm 5 0 0 0 0 0 0 0 0
My Custom Storm 6 0 0 0 0 0 0 0 0
My Custom Storm 7 0 0 0 0 0 0 0 0
My Custom Storm 8 0 0 0 0 0 0 0 0
My Custom Storm 9 0 0 0 0 0 0 0 0
My Custom Storm 10 0 0 0 0 0 0 0 0

Precipitation Report Cont'd Precipitation filename:WalkertownNC.pcp
Rainfall totals in Inches 07-10-2024
Active 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
Active ✓ ✓ .1 ✓
Huff Indiana >Indianapolis
30-min 0.99 1.19 0 1.44 1.63 1.89 2.08 2.28
1-hr 1.21 1.46 0 1.81 2.08 2.45 2.75 3.06
2-hr 1.46 1.77 0 2.22 2.57 3.05 3.44 3.85
3-hr 1.57 1.90 0 2.38 2.76 3.30 3.75 4.21
6-hr 1.92 2.31 0 2.88 3.36 4.01 4.56 5.13
12-hr 0 0 0 0 0 0 0 0
24-hr 0 0 0 0 0 0 0 0
Huff Indiana >Evansville
30-min 0.99 1.19 0 1.44 1.63 1.89 2.08 2.28
1-hr 1.21 1.46 0 1.81 2.08 2.45 2.75 3.06
2-hr 1.46 1.77 0 2.22 2.57 3.05 3.44 3.85
3-hr 1.57 1.90 0 2.38 2.76 3.30 3.75 4.21
6-hr 1.92 2.31 0 2.88 3.36 4.01 4.56 5.13
12-hr 0 0 0 0 0 0 0 0
24-hr 0 0 0 0 0 0 0 0
Huff Indiana >Fort Wayne
30-min 0.99 1.19 0 1.44 1.63 1.89 2.08 2.28
1-hr 1.21 1.46 0 1.81 2.08 2.45 2.75 3.06
2-hr 1.46 1.77 0 2.22 2.57 3.05 3.44 3.85
3-hr 1.57 1.90 0 2.38 2.76 3.30 3.75 4.21
6-hr 1.92 2.31 0 2.88 3.36 4.01 4.56 5.13
12-hr 0 0 0 0 0 0 0 0
I
24-hr 0 0 0 0 0 0 0 0
Huff Indiana >South Bend
30-min 0.99 1.19 0 1.44 1.63 1.89 2.08 2.28
1-hr 1.21 1.46 0 1.81 2.08 2.45 2.75 3.06
2-hr 1.46 1.77 0 2.22 2.57 3.05 3.44 3.85
3-hr 1.57 1.90 0 2.38 2.76 3.30 3.75 4.21
6-hr 1.92 2.31 0 2.88 3.36 4.01 4.56 5.13 •
12-hr 0 0 0 0 0 0 0 0
24-hr 0 0 0 0 0 0 0 0

Precipitation Report Cont'd Precipitation filename:WalkertownNC.pcp
Rainfall totals in Inches 07-10-2024
1 Active 1-yr 2-yr 3-yr 5-yr 10-yr 26-yr 50-yr 100-yr
Active ✓ ✓ I I
NRCS Storms >NRCS Dimensionless Storms
NRCS MSE3,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE4,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE3,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE4,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE5,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE6,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NOAA-A,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NOAA-B,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NOAA-C,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NOAA-D,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCC-A,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCC-B,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCC-C,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCC-D,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-1,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-2,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-3,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-4,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-5,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-6,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
FDOT Storms >Florida DOT Storms
FDOT,1-hr 0 0 0 0 0 0 0 0
FDOT,2-hr 0 0 0 0 0 0 0 0
FDOT,4-hr 0 0 0 0 0 0 0 0
FDOT,8-hr 0 0 0 0 0 0 0 0
FDOT,24-hr 0 0 0 0 0 0 0 0
FDOT,72-hr 0 0 0 0 0 0 0 0
SFWMD,72-hr 0 0 0 0 0 0 0 0
Austin Storms >Austin Frequency Storms
Austin Zone 1,24-hr 0 0 0 0 0 0 0 0
Austin Zone 2,24-hr 0 0 0 0 0 0 0 0
19

Table of Contents Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.27 11-17-2023
Basin Model Schematic 1
Hydrograph by Return Period 2
1 -Year
Hydrograph Summary 3
Hydrograph Reports
Hydrograph No. 2, NRCS Runoff, Post-developed 4
Design Storm Report- NRCS/SCS-Type II, 24-hr 5
2 -Year
Hydrograph Summary 6
Hydrograph Reports
Hydrograph No. 2, NRCS Runoff, Post-developed 7
Design Storm Report-NRCS/SCS-Type II,24-hr 8
10 -Year
Hydrograph Summary 9
Hydrograph Reports
Hydrograph No.2, NRCS Runoff, Post-developed 10
Design Storm Report-NRCS/SCS-Type II, 24-hr 11
100 -Year
Hydrograph Summary 92
Hydrograph Reports
Hydrograph No. 2, NRCS Runoff, Post-developed 13
Design Storm Report-NRCS/SCS-Type II, 24-hr 14
IDF Report 15
Precipitation Report 16

Basin Model Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.27 11-17-2023
Pre-developed#1 Post-developed
/fill1111
1
BioCell2
1

Hydrograph by Return Period Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.27 11-17-2023
Hyd. Hydrograph Hydrograph Peak Outflow(cfs)
No. Type Name 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
1 NRCS Runoff Pre-developed#1 2.855 4.784 10.84 22.35
2 NRCS Runoff Post-developed 9.319 12.45 21.03 35.13
3 Pond Route BioCell 2 0.902 2.818 10.51 20.72
2

Hydrograph 1 —y r Summary Project Name:Landing at Meadow View
Hydrology Studio v 3.0 0.27 1 1-17-2023
Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum
No. Type Name Flow Peak Volume Hyd(s) Elevation Storage
(cfs) (hrs) (cuft) (ft) (cuft)
1 NRCS Runoff Pre-developed#1 2.855 12.03 8,309 ----
2 NRCS Runoff Post-developed 9.319 11.98 21,092 ----
3 Pond Route BioCell2 0.902 12.53 12,216 2 974.23 11,041
3

Hydrograph Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.27 11-17-2023
Post-developed Hyd. No. 2
Hydrograph Type = NRCS Runoff Peak Flow = 9.319 cfs
Storm Frequency = 1-yr Time to Peak = 11.98 hrs
Time Interval = 1 min Runoff Volume = 21,092 cuft
Drainage Area =4.04 ac Curve Number = 85*
Tc Method = User Time of Conc. (Tc) = 10.0 min
Total Rainfall = 2.82 in Design Storm = Type II
Storm Duration = 24 hrs Shape Factor = 484
*Composite CN Worksheet
AREA(ac) CN DESCRIPTION
4.04 85 Townhomes
4.04 85 Weighted CN Method Employed
Qp = 9.32 cfs
10-
8- j
1
1
6-
1 •
u - -
5 ,
d
. j
4-
,
3- •
2-
1-
0 7 1 i I i i i I ii 1 t I . I . 1 I i r-r-lr-r-i-i—I i 1 i I—i I i I ii I i I i I i I i 1 iT —I
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Time(hrs)
4

Design Storm Report Custom Storm filename:
Hydrology Studio v 3.0.0.27 11-17-2023
Storm Distribution: NRCS/SCS - Type II, 24-hr
Storm Total Rainfall Volume(in)
Duration ✓1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
24 hrs 2.82 3.40 0.00 4.27 4.95 5.91 6.68 7.48
Incremental Rainfall Distribution,1-yr
Time Precip Time Preclp Time Precip Time Precip Time Precip
(hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in)
11.42 0.005226 11.60 0.015842 11.78 0.041201 11.97 0.038802 12.15 0.007929
11.43 0.005302 11.62 0.017697 11.80 0.046361 11.98 0.027060 12.17 0.007750
11.45 0.005377 11.63 0.019552 11.82 0.051520 12.00 0.015318 12.18 0.007572
11.47 0.005452 11.65 0.021407 11.83 0.056680 12.02 0.009673 12.20 0.007393
11.48 0.005527 11.67 0.023262 11.85 0.061839 12.03 0.009179 12.22 0.007215
11.50 0.005602 11.68 0.025117 11.87 0.066999 12.05 0.009001 12.23 0.007036
11.52 0.006589 11.70 0.026972 11.88 0.072159 12.07 0.008822 12.25 0.006857
11.53 0.008422 11.72 0.028827 11.90 0.077318 12.08 0.008643 12.27 0.006679
11.55 0.010277 11.73 0.030682 11.92 0.082478 12.10 0.008465 12.28 0.006500
11.57 0.012132 11.75 0.032537 11.93 0.053933 12.12 0.008286 12.30 0.006322
11.58 0.013987 11.77 0.035769 11.95 0.050545 12.13 0.008108 12.32 0.006143
2.8- 2.8
2.6- -2.6
2.4- -2.4
2.2- 2.2
2- -2
1.8- -1.8
c 1.6- -1.6 v
- ' co
a. 1.4- 1 n
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0.8- -0.8
0.6- -0.6
0.4- -0.4
0.2- -0.2
0 0
0 2 4 6 8 10 12 14 16 18 20 22 24
Time(hrs)
5

Hydrograph 2—yr Summary Project Name:Landing at Meadow View
Hydrology Studio v 3,0.0.27 1 1-17-2023
Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum
No. Type Name Flow Peak Volume Hyd(s) Elevation Storage
(cfs) (hrs) (cuft) (ft) (cuft)
1 NRCS Runoff Pre-developed#1 4.784 12.03 12,915 ----
2 NRCS Runoff Post-developed 12.45 11.98 28,297 ----
3 Pond Route BioCell 2 2.818 12.17 19,421 2 974.49 13,542
6

Hydrograph Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.27 11-17-2023
Post-developed Hyd. No. 2
Hydrograph Type = NRCS Runoff Peak Flow = 12.45 cfs
Storm Frequency = 2-yr Time to Peak = 11.98 hrs
Time Interval = 1 min Runoff Volume = 28,297 cuft
Drainage Area =4.04 ac Curve Number = 85*
Tc Method = User Time of Conc. (Tc) = 10.0 min
Total Rainfall = 3.40 in Design Storm =Type II
Storm Duration = 24 hrs Shape Factor = 484
*Composite CN Worksheet
AREA(ac) CN DESCRIPTION
4.04 85 Townhomes
4.04 85 Weighted CN Method Employed
Qp = 12.45 cfs
14- .. i • I r
! i I I
13- 1 i 1
i
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1 ( 1
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O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Time(hrs)
7

Design Storm Report Custom Storm filename:
Hydrology Studio v 3.0.0.27 11-17-2023
Storm Distribution: NRCS/SCS - Type II, 24-hr
Storm Total Rainfall Volume(in)
Duration 1-yr ✓2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
24 hrs 2.82 3.40 0.00 4.27 4.95 5.91 6.68 7.48
Incremental Rainfall Distribution,2-yr
Time Precip Time Precip Time Precip Time Precip Time Precip
(hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in)
11.42 0.006301 11.60 0.019100 11.78 0.049675 11.97 0.046783 12.15 0.009560
11.43 0.006392 11.62 0.021337 11.80 0.055896 11.98 0.032626 12.17 0.009344
11.45 0.006483 11.63 0.023573 11.82 0.062117 12.00 0.018468 12.18 0.009129
11.47 0.006573 11.65 0.025810 11.83 0.068338 12.02 0.011663 12.20 0.008914
11.48 0.006664 11.67 0.028046 11.85 0.074558 12.03 0.011067 12.22 0.008698
11.50 0.006755 11.68 0.030283 11.87 0.080779 12.05 0.010852 12.23 0.008483
11.52 0.007944 11.70 0.032519 11.88 0.087000 12.07 0.010637 12.25 0.008268
11.53 0.010155 11.72 0.034756 11.90 0.093220 12.08 0.010421 12.27 0.008052
11.55 0.012391 11.73 0.036992 11.92 0.099441 12.10 0.010206 12.28 0.007837
11.57 0.014628 11.75 0.039229 11.93 0.065026 12.12 0.009990 12.30 0.007622
11.58 0.016864 11.77 0.043126 11.95 0.060940 12.13 0.009775 12.32 0.007406
4- -4
3- � 3
c
al
'a2- •2 -g
d
ao
1- -1
0 0
0 2 4 6 8 10 12 14 16 18 20 22 24
Time(hrs)
8

Hydrograph 10—yr Summary Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.27 11-17-2023
Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum
No. Type Name Flow Peak Volume Hyd(s) Elevation Storage
(cfs) (hrs) (cult) (ft) (cuft)
1 NRCS Runoff Pre-developed#1 10.84 12.02 27,733 ----
2 NRCS Runoff Post-developed 21.03 11.98 48,716
3 Pond Route BioCell 2 10.51 12.10 39,839 2 975.18 20,234
9

Hydrograph Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.27 11-17-2023
Post-developed Hyd. No. 2
Hydrograph Type = NRCS Runoff Peak Flow = 21.03 cfs
Storm Frequency = 10-yr Time to Peak = 11.98 hrs
Time Interval = 1 min Runoff Volume =48,716 cuft
Drainage Area = 4.04 ac Curve Number = 85*
Tc Method = User Time of Conc. (Tc) = 10.0 min
Total Rainfall =4.95 in Design Storm = Type II
Storm Duration = 24 hrs Shape Factor =484
*Composite CN Worksheet
AREA(ac) CN DESCRIPTION
4.04 85 Townhomes
4.04 85 Weighted CN Method Employed
Qp = 21.03 cfs
24-
1 I
t �
!
'
20- I i
i
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18- 1 _. I- 1 I ? I
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0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Time (hrs)
10

Design Storm Report Custom Storm filename:
Hydrology Studio v 3.0.0.27 11-17-2023
Storm Distribution: NRCS/SCS - Type II, 24-hr
Storm Total Rainfall Volume(in)
Duration 1-yr 2-yr 3-yr 5-yr ✓10-yr 25-yr 50-yr 100-yr
24 hrs 2.82 3.40 0.00 4.27 4.95 5.91 6.68 7.48
Incremental Rainfall Distribution,10-yr
Time Precip Time Precip Time Precip Time Precip Time Precip
(hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in)
11.42 0.009174 11.60 0.027808 11.78 0.072322 11.97 0.068110 12.15 0.013918
11.43 0.009306 11.62 0.031064 11.80 0.081378 11.98 0.047499 12.17 0.013604
11.45 0.009438 11.63 0.034320 11.82 0.090435 12.00 0.026888 12.18 0.013291
11.47 0.009570 11.65 0.037576 11.83 0.099491 12.02 0.016980 12.20 0.012977
11.48 0.009702 11.67 0.040832 11.85 0.108548 12.03 0.016112 12.22 0.012664
11.50 0.009834 11.68 0.044088 11.87 0.117605 12.05 0.015799 12.23 0.012350
11.52 0.011565 11.70 0.047344 11.88 0.126661 12.07 0.015485 12.25 0.012037
11.53 0.014784 11.72 0.050600 11.90 0.135718 12.08 0.015172 12.27 0.011723
11.55 0.018040 11.73 0.053856 11.92 0.144775 12.10 0.014858 12.28 0.011410
11.57 0.021296 11.75 0.057112 11.93 0.094670 12.12 0.014545 12.30 0.011096
11.58 0.024552 11.77 0.062786 11.95 0.088722 12.13 0.014231 12.32 0.010783
5- 5
4-
-4
�3- -3
c v
II;_ O.
•D
6)
a
2- 2 "
1- -1
_ I 1 .I 0
0
0 2 4 6 8 10 12 14 16 18 20 22 24
Time(hrs)
11

Hydrograph 100-yr Summary Project Name:Landing at Meadow View
Hydrology Studio v 3.0.027 11-17-2023
Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum
No. Type Name Flow Peak Volume Hyd(s) Elevation Storage
(cfs) (hrs) (cuft) (ft) (cuft)
1 NRCS Runoff Pre-developed#1 22.35 12.02 56,465
2 NRCS Runoff Post-developed 35.13 11.98 83,776
3 Pond Route BioCell 2 20.72 12.08 74,899 2 975.99 28,633
12

Hydrograph Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.27 11-17-2023
Post-developed Hyd. No. 2
Hydrograph Type = NRCS Runoff Peak Flow = 35.13 cfs
Storm Frequency = 100-yr Time to Peak = 11.98 hrs
Time Interval = 1 min Runoff Volume = 83,776 cuft
Drainage Area =4.04 ac Curve Number = 85*
Tc Method = User Time of Conc. (Tc) = 10.0 min
Total Rainfall = 7.48 in Design Storm = Type II
Storm Duration = 24 hrs Shape Factor =484
*Composite CN Worksheet
AREA(ac) CN DESCRIPTION
4 04 85 Townhomes
4.04 85 Weighted CN Method Employed
Qp = 35.13 cfs
40- i i __
38- I-- ! — 1
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0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Time(hrs)
13

Design Storm Report Custom Storm filename:
Hydrology Studio v 3.0.0.27 11-17-2023
Storm Distribution: NRCS/SCS - Type II, 24-hr
Storm Total Rainfall Volume(in)
Duration 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 1 100-yr
24 hrs 2.82 3.40 0.00 4.27 4.95 5.91 6.68 7.48
Incremental Rainfall Distribution,100-yr
Time Precip Time Precip Time Precip Time Precip Time Precip
(hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in)
11.42 0.013863 11.60 0.042021 11.78 0.109286 11.97 0.102922 12.15 0.021031
11.43 0.014062 11.62 0.046941 11.80 0.122971 11.98 0.071776 12.17 0.020557
11.45 0.014262 11.63 0.051862 11.82 0.136657 12.00 0.040631 12.18 0.020084
11.47 0.014461 11.65 0.056782 11.83 0.150343 12.02 0.025658 12.20 0.019610
11.48 0.014661 11.67 0.061702 11.85 0.164028 12.03 0.024347 12.22 0.019136
11.50 0.014860 11.68 0.066622 11.87 0.177714 12.05 0.023874 12.23 0.018663
11.52 0.017476 11.70 0.071542 11.88 0.191399 12.07 0.023400 12.25 0.018188
11.53 0.022341 11.72 0.076463 11.90 0.205085 12.08 0.022926 12.27 0.017715
11.55 0.027261 11.73 0.081383 11.92 0.218771 12.10 0.022452 12.28 0.017241
11.57 0.032181 11.75 0.086303 11.93 0.143057 12.12 0.021979 12.30 0.016768
11.58 0.037101 11.77 0.094877 11.95 0.134069 12.13 0.021505 12.32 0.016294
8- -8
7- 7
6- -6
5- -5
c - -10
a 4_ n
'CS4 0.
v
a - .
3- 3
2- •
2
1- -1
0- i i 0
0 2 4 6 8 10 12 14 16 18 20 22 24
Time (hrs)
14

IDF Report IDF filename:WalkertownNC.idf
Hydrology Studio v 3.0.0.27 11 17 2023
Equation Intensity=B I(Tc+D)AE(in/hr)
Coefficients 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
B 61.0288 69.5351 0.0000 69.7154 66.8888 59.8669 53.2158 48.0210
D 13.0000 13.0000 0.0000 12.7000 12.2000 11.2000 10.2000 9.3000
E 0.8971 0.8821 0.0000 0.8344 0.8000 0.7436 0.6986 0.6598
Minimum Tc=5 minutes
Tc Intensity Values(in/hr)
(min) 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
Cf 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
5 4.56 5.43 0 6.34 6.87 7.55 7.95 8.30
10 3.66 4.38 0 5.15 5.60 6.18 6.52 6.81
15 3.07 3.68 0 4.36 4.76 5.28 5.58 5.85
20 2.65 3.18 0 3.80 4.16 4.64 4.92 5.17
25 2.34 2.81 0 3.37 3.71 4.15 4.42 4.66
30 2.09 2.52 0 3.04 3.35 3.77 4.03 4.26
35 1.89 2.29 0 2.77 3.06 3.46 3.71 3.94
40 1.73 2.10 0 2.55 2.83 3.21 3.45 3.67
45 1.60 1.94 0 2.36 2.63 2.99 3.23 3,44
50 1.48 1.80 0 2.21 2.46 2.81 3.04 3.25
55 1.39 1.68 0 2.07 2.31 2.65 2.87 3.08
60 1.30 1.58 0 1.95 2.18 2.51 2.73 2.93
Cf=Correction Factor applied to Rational Method runoff coefficient.
Sample IDF Curves
9-
1 -100yr
I
8 -50yr
i
I -25yr
7 - -i i - 10yr
1-_- 6- _ 1 - 5yr
.c t
c _- 2yr
I
5- ►
c t ,
j -- 1yr
w
... 4
f E
3-
I j
2- i ""� . ..-.. ar.te
I
1-1 i i r i i-I-f-r-i-1-i-t-i I I I i i-n--t-r-rr-i-m j r'i r lr-m-l�j TIr-Tm-i 11 i 1 i 1 1 e 1 1-7-1-r-i
0 5 10 15 20 25 30 35 40 45 50 55 60
Time (min)
15

Precipitation Report Precipitation filename:WalkertownNC.pcp
Hydrology Studio v 3.0.0.27 (Rainfall totals in Inches) 11-17-2023
r- _ r
r Active 1-yr 2-yr 3 yr 5-yr 10-yr 25-yr 50-yr 100-yr
Active J ✓ J J
SCS Storms >SCS Dimensionless Storms
SCS 6hr 1.99 2.41 0 3.00 3.42 4.03 4.49 4.95
Type I,24-hr 0 0 0 0 0 0 0 0
Type IA,24-hr 0 0 0 0 0 0 0 0
Type II,24-hr ✓ 2.82 3.40 0 4.27 4.95 5.91 6.68 7.48
Type II FL,24-hr 0 0 0 0 0 0 0 0
i
Type III,24-hr 0 0 0 0 0 0 0 0
Synthetic Storms >IDF-Based Synthetic Storms
1-hr 1.30 1.58 0 1.95 2.18 2.51 2.73 2.93
2-hr 1.52 1.86 0 2.36 2.69 3.19 3.55 3.88
3-hr 1.63 2.01 0 2.59 2.99 3.61 4.08 4.53
6-hr 1.81 2.25 0 2.99 3.52 4.41 5.13 5.83
12-hr 1.97 2.48 0 3.40 4.10 5.33 6.38 7.44
24-hr 2.13 2.71 0 3.85 4.74 6.40 7.90 9.46
Huff Distribution >1st Quartile(0 to 6 hrs)
1-hr 0.76 0.98 0 1.33 1.61 2.01 2.34 2.69
2-hr 0.89 1.14 0 1.50 1.80 2.24 2.60 2.99
3-hr 0.98 1.24 0 1.59 1.90 2.33 2.68 3.07
6-hr 1.20 1.50 0 1.86 2.18 2.64 3.01 3.41
rt3. Huff Distribution >2nd Quartile(>6 to 12 hrs)
"�a
8-hr 0 0 0 0 0 0 0 0
Ns,wa,tuffs
12-hr 0 0 0 0 0 0 0 0
Huff Distribution >3rd Quartile(>12 to 24 hrs)
L18-hr 0 0 0 0 0 0 0 0
• 24-hr 0 0 0 0 0 0 0 0
Custom Storms >Custom Storm Distributions
My Custom Storm 1 0 0 0 0 0 0 0 0
My Custom Storm 2 0 0 0 0 0 0 0 0
My Custom Storm 3 0 0 0 0 0 0 0 0
My Custom Storm 4 0 0 0 0 0 0 0 0 I-
My Custom Storm 5 0 0 0 0 0 0 0 0
My Custom Storm 6 0 0 0 0 0 0 0 0
My Custom Storm 7 0 0 0 0 0 0 0 0
My Custom Storm 8 0 0 0 0 0 0 0 0
My Custom Storm 9 0 0 0 0 0 0 0 0
My Custom Storm 10 0 0 0 0 0 0 0 0
16

Precipitation Report Cont'd Precipitation filename:WalkertownNC.pcp
Rainfall totals in Inches 11-17-2023
Active 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr -_ 100-yr
Active ✓ ✓ ✓ I
Huff Indiana >Indianapolis
30-min 0.99 1.19 0 1.44 1.63 1.89 2.08 2.28
1-hr 1.21 1.46 0 1.81 2.08 2.45 2.75 3.06
2-hr 1.46 1.77 0 2.22 2.57 3.05 3.44 3.85
3-hr 1.57 1.90 0 2.38 2.76 3.30 3.75 4.21
6-hr 1.92 2.31 0 2.88 3.36 4.01 4.56 5.13
12-hr 0 0 0 0 0 0 0 0
24-hr 0 0 0 0 0 0 0 0
Huff Indiana >Evansville
30-min 0.99 1.19 0 1.44 1.63 1.89 2.08 2.28
1-hr 1.21 1.46 0 1.81 2.08 2.45 2.75 3.06
2-hr 1.46 1.77 0 2.22 2.57 3.05 3.44 3.85
3-hr 1.57 1.90 0 2.38 2.76 3.30 3.75 4.21
6-hr 1.92 2.31 0 2.88 3.36 4.01 4.56 5.13
12-hr 0 0 0 0 0 0 0 0
24-hr 0 0 0 0 0 0 0 0
Huff Indiana >Fort Wayne
30-min 0.99 1.19 0 1.44 1.63 1.89 2.08 2.28
1-hr 1.21 1.46 0 1.81 2.08 2.45 2.75 3.06
2-hr 1.46 1.77 0 2.22 2.57 3.05 3.44 3.85
3-hr 1.57 1.90 0 2.38 2.76 3.30 3.75 4.21
6-hr 1.92 2.31 0 2.88 3.36 4.01 4.56 5.13
12-hr 0 0 0 0 0 0 0 0
24-hr 0 0 0 0 0 0 0 0
Huff Indiana >South Bend
30-min 0.99 1.19 0 1.44 1.63 1.89 2.08 2.28
1-hr 1.21 1.46 0 1.81 2.08 2.45 2.75 3.06
2-hr 1.46 1.77 0 2.22 2.57 3.05 3.44 3.85
3-hr 1.57 1.90 0 2.38 2.76 3.30 3.75 4.21
6-hr 1.92 2.31 0 2.88 3.36 4.01 4.56 5.13 E
12-hr 0 0 0 0 0 0 0 0
24-hr 0 0 0 0 0 0 0 0
17

Precipitation Report Cont'd Precipitation filename:WalkertownNC.pcp
Rainfall totals in Inches 11-17-2023
Active 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
Active ✓ ✓ ✓ ✓
NRCS Storms >NRCS Dimensionless Storms
NRCS MSE3,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE4,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE3,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE4,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE5,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE6,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NOAA-A,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NOAA-B,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NOAA-C,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NOAA-D,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCC-A,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCC-B,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCC-C,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCC-D,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-1,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
1 CA-2,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-3,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-4,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-5,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-6,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
! FDOT Storms >Florida DOT Storms
FDOT,1-hr 0 0 0 0 0 0 0 0
FDOT,2-hr 0 0 0 0 0 0 0 0
FDOT,4-hr 0 0 0 0 0 0 0 0
FDOT,8-hr 0 0 0 0 0 0 0 0
FDOT,24-hr 0 0 0 0 0 0 0 0
FDOT,72-hr 0 0 0 0 0 0 0 0
SFWMD,72-hr 0 0 0 0 0 0 0 0
Austin Storms >Austin Frequency Storms I-_
Austin Zone 1,24-hr 0 0 0 0 0 0 0 0
Austin Zone 2,24-hr 0 0 0 0 0 0 0 0
18

Table of Contents Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Basin Model Schematic 1
Hydrograph by Return Period 2
1 -Year
Hydrograph Summary
3
Hydrograph Reports
Hydrograph No. 3, Pond Route, BioCell 2 4
Detention Pond Reports-Biocell 1 5
Design Storm Report-NRCS/SCS-Type II, 24-hr 9
2 -Year
Hydrograph Summary 10
Hydrograph Reports
Hydrograph No. 3, Pond Route, BioCell 2 11
Design Storm Report- NRCS/SCS-Type II,24-hr 12
10 -Year
Hydrograph Summary
13
Hydrograph Reports
Hydrograph No. 3, Pond Route, BioCell 2 14
Design Storm Report- NRCS/SCS-Type II,24-hr 15
100 -Year
Hydrograph Summary 16
Hydrograph Reports
Hydrograph No. 3, Pond Route, BioCell 2 17
Design Storm Report-NRCS/SCS-Type II,24-hr 18
IDF Report 19
Precipitation Report 20

Basin Model Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Pre-developed#1 Post-developed
/////
OfBioCen 2
1

Hydrograph by Return Period Project Name:Landing at Meadow View
Hydrology Studio v 3 0.0.32 07-1 -2024
Hyd. Hydrograph Hydrograph Peak Outflow(cfs)
No. Type Name 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
1 NRCS Runoff Pre-developed#1 5.958 8.477 15.74 28.18
2 NRCS Runoff Post-developed 9.319 12.45 21.03 35.13
3 Pond Route BioCell 2 0.975 3.181 14.37 28.91
2

Hydrograph 1 -yr Summary Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum
No. Type Name Flow Peak Volume Hyd(s) Elevation Storage
(cfs) (hrs) (cuft) (ft) (cuft)
1 NRCS Runoff Pre-developed#1 5.958 12.03 15,282 ----
2 NRCS Runoff Post-developed 9.319 11.98 21,092 ----
3 Pond Route BioCell 2 0.975 12.48 12,216 2 974.21 10,902
3

Hydrograph Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
BioCell 2 Hyd. No. 3
Hydrograph Type = Pond Route Peak Flow = 0.975 cfs
Storm Frequency = 1-yr Time to Peak = 12.48 hrs
Time Interval = 1 min Hydrograph Volume = 12,216 cuft
Inflow Hydrograph = 2 - Post-developed Max. Elevation = 974.21 ft
Pond Name = Biocell 1 Max. Storage = 10,902 cuft
Pond Routing by Storage Indication Method Center of mass detention time=2.25 hrs
Qp = 0.98 cfs
10- - _.. - I - 1 I {
I
1
I
I
- _
6-, - _-_-4 _ _.-..-- - - - .
_ 1
'C 5_ -
a
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2- _... _ _ - - _ M_.._- --- - - - _..�.
l 1
1
0- 1 1 . 1 . I . 1 . I . 1 • i • , • r , . i ,
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
Time(hrs)
Post-developed BioCell 2
4

Pond Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Biocell 1 Stage-Storage
User Defined Contours Stage/Storage Table
Description Input Stage Elevation Contour Area Incr.Storage Total Storage
(ft) (ft) (sqft) (cuft) (cuft)
Bottom Elevation, ft 973.00
0.00 973.00 8,534 0.000 0.000
Voids(%) 100.00 1.00 974.00 9,212 8,873 8,873
Volume Calc Ave End Area 2.00 975.00 9,914 9,563 18,436
3.00 976.00 10,630 10,272 28,708
Stage-Storage
976- - -3
l
975-
j -2
E 1 a)
> - d
L.T. 1
i
974- _ _.._._ -1
973 $ 1 i i i i I 1 0
0 4000 8000 12000 16000 20000 24000 28000
Total Storage (cuft)
1-yr 2-yr — 10-yr — 100-yr —Contours
5

Pond Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Biocell 1 Stage-Discharge
Orifice
Culvert/Orifices Culvert Orifice Plate
1 2 3
Rise, in 18 Orifice Dia, in
Span, in 18 No. Orifices
No. Barrels 1 Invert Elevation, ft
Invert Elevation,ft 969.25 Height, ft
Orifice Coefficient, Co 0.60 Orifice Coefficient, Co
Length,ft 60
Barrel Slope, % .5
N-Value, n 0.013
Weir
Weirs Riser Ancillary
1 (m) 2(i) 3
Shape/Type Box Rectangular Rectangular Exfiltration, in/hr
Crest Elevation,ft 975.5 974 974.5
Crest Length, ft 14 3 4
Angle, deg
Weir Coefficient, Cw 3.3 3.3 3.3
m=Flows through Culvert,r=Independent
Stage-Discharge
976- . 3
1 .
I
975- -
I I
l iin
re d
to
a)
974 - - ._.....
I
973 1 c i ' i • 1 I i • I • 1-i 1 i 1 • 1 • 1 ' I i I r-h l ' i ' l ' l • t ' l ' l • l 0
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44
Discharge(cfs)
— Top of Pond —1-yr 2-yr —10-yr —100-yr — Pond Outflow
6

Pond Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Biocell 1 Stage-Storage-Discharge Summary
Stage Elev. Storage Culvert Orifices,cfs Riser Weirs,cfs Pf Riser Exfil User Total
(ft) (ft) (cuft) (cfs) 1 2 3 (cfs) 1 2 3 (cfs) (cfs) (cfs) (cfs)
0.00 973.00 0.000 0.000 0.000 0.000 0.000 0.000
1.00 974.00 8,873 0.000 oc 0.000 0.000 0.000 0.000
2.00 975.00 18,436 9.900 oc 0.000 9.900 4.667 14.57
3.00 976.00 28,708 20.75 oc 16.33 4.415 s 24.25 45.00
Suffix key:is=inlet control,oc=outlet control,s=submerged weir 7

Pond Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Biocell 1 Pond Drawdown
Stage(ft)
M N p
l0
fV
_
N
lV
-N
co
E
I— - _ - ---- - ---
C .- 2
L
0
—
to
0
V _N
0
m
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_a0
C
l0
.
C
w
E
1-
N
. to
0
N
dd
l0 1Y _G cis
rn °' (�!)AAI3
8

Design Storm Report Custom Storm filename:
Hydrology Studio v 3.0.0.32 07-10-2024
Storm Distribution: NRCS/SCS - Type II, 24-hr
Storm Total Rainfall Volume(in)
Duration ✓1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
24 hrs 2.82 3.40 0.00 4.27 4.95 5.91 6.68 7.48
Incremental Rainfall Distribution,1-yr
Time Precip Time Precip Time Precip Time Precip Time Precip
(hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in)
11.42 0.005226 11.60 0.015842 11.78 0.041201 11.97 0.038802 12.15 0.007929
11.43 0.005302 11.62 0.017697 11.80 0.046361 11.98 0.027060 12.17 0.007750
11.45 0.005377 11.63 0.019552 11.82 0.051520 12.00 0.015318 12.18 0.007572
11.47 0.005452 11.65 0.021407 11.83 0.056680 12.02 0.009673 12.20 0.007393
11.48 0.005527 11.67 0.023262 11.85 0.061839 12.03 0.009179 12.22 0.007215
11.50 0.005602 11.68 0.025117 11.87 0.066999 12.05 0.009001 12.23 0.007036
11.52 0.006589 11.70 0.026972 11.88 0.072159 12.07 0.008822 12.25 0.006857
11.53 0.008422 11.72 0.028827 11.90 0.077318 12.08 0.008643 12.27 0.006679
11.55 0.010277 11.73 0.030682 11.92 0.082478 12.10 0.008465 12.28 0.006500
11.57 0.012132 11.75 0.032537 11.93 0.053933 12.12 0.008286 12.30 0.006322
11.58 0.013987 11.77 0.035769 11.95 0.050545 12.13 0.008108 12.32 0.006143
2.6- -- - _ -2.6
2.4- --.
-_ 4
2_ -- j
-2
1.8- _ - -- i 1.8
- -- -- - -1.6
c 1.6- F
- ro
j
1.4- 1.4 0'
a 1.2- 1 1.2 2.
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i
0.8- , 0.8
0.6- . . 0.6
1
0.4- ----
11 0.2- -- i _ -0.4
{ _. -0.2
0 0
0 2 4 6 8 10 12 14 16 18 20 22 24
Time (hrs)
9

Hydrograph 2—yr Summary Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum
No. Type Name Flow Peak Volume Hyd(s) Elevation Storage
(cfs) (hrs) (cuft) (ft) (cuft)
1 NRCS Runoff Pre-developed#1 8.477 12.02 21,491 ----
2 NRCS Runoff Post-developed 12.45 11.98 28,297 ----
3 Pond Route BioCell 2 3.181 12.17 19,421 2 974.47 13,349
10

Hydrograph Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
BioCell 2 Hyd. No. 3
Hydrograph Type = Pond Route Peak Flow = 3.181 cfs
Storm Frequency = 2-yr Time to Peak = 12.17 hrs
Time Interval = 1 min Hydrograph Volume = 19,421 cuff
Inflow Hydrograph = 2 - Post-developed Max. Elevation = 974.47 ft
Pond Name = Biocell 1 Max. Storage = 13,349 cult
Pond Routing by Storage Indication Method Center of mass detention time=1.59 hrs
Qp = 3.18 cfs
14-
13- i
12- } —
11=
,
I 1
9I
8-
7-
Ci - I
6-
,
3-
2_
1 i
I
1 f 0 1 I I 1 1 1 1 . I1 1 I I 1 I I i 1 . I ' 1 . 1 . 11 I . f . l . l . PP.11""ml
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
Time(hrs)
— Post-developed—BioCell 2
11

Design Storm Report Custom Storm filename:
Hydrology Studio v 3.0.0.32 07-10-2024
Storm Distribution: NRCS/SCS - Type II, 24-hr
Storm Total Rainfall Volume(in)
Duration 1-yr ✓2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
24 hrs 2.82 3.40 0.00 4.27 4.95 5.91 6.68 7.48
Incremental Rainfall Distribution,2-yr
Time Precip Time Precip Time Precip Time Precip Time Precip
(hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in)
11.42 0.006301 11.60 0.019100 11.78 0.049675 11.97 0.046783 12.15 0.009560
11.43 0.006392 11.62 0.021337 11.80 0.055896 11.98 0.032626 12.17 0.009344
11.45 0.006483 11.63 0.023573 11.82 0.062117 12.00 0.018468 12.18 0.009129
11.47 0.006573 11.65 0.025810 11.83 0.068338 12.02 0.011663 12.20 0.008914
11.48 0.006664 11.67 0.028046 11.85 0.074558 12.03 0.011067 12.22 0.008698
11.50 0.006755 11.68 0.030283 11.87 0.080779 12.05 0.010852 12.23 0.008483
11.52 0.007944 11.70 0.032519 11.88 0.087000 12.07 0.010637 12.25 0.008268
11.53 0.010155 11.72 0.034756 11.90 0.093220 12.08 0.010421 12.27 0.008052
11.55 0.012391 11.73 0.036992 11.92 0.099441 12.10 0.010206 12.28 0.007837
11.57 0.014628 11.75 0.039229 11.93 0.065026 12.12 0.009990 12.30 0.007622
11.58 0.016864 11.77 0.043126 11.95 0.060940 12.13 0.009775 12.32 0.007406
4- -4
I
3- 1
3
1
1
C I 7
fD
an.
. 2_ 2 -o
`1 I
a I
j '
1- _ . ! •1
I
I
1
I
0 • 1 • i ' 1 1 1 • 1 • 1 • i • I I I • I • r • 0
0 2 4 6 8 10 12 14 16 18 20 22 24
Time (hrs)
12

Hydrograph 10-y r Summary Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum
No. Type Name Flow Peak Volume Hyd(s) Elevation Storage
(cfs) (hrs) (cuft) (ft) (cuft)
1 NRCS Runoff Pre-developed#1 15.74 12.02 39,824
2 NRCS Runoff Post-developed 21.03 11.98 48,716
3 Pond Route BioCell 2 14.37 12.07 39,840 2 974.99 18,368
13

Hydrograph Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
BioCell 2 Hyd. No. 3
Hydrograph Type = Pond Route Peak Flow = 14.37 cfs
Storm Frequency = 10-yr Time to Peak = 12.07 hrs
Time Interval = 1 min Hydrograph Volume = 39,840 cuft
Inflow Hydrograph = 2 - Post-developed Max. Elevation = 974.99 ft
Pond Name = Biocell 1 Max. Storage = 18,368 cuft
Pond Routing by Storage Indication Method Center of mass detention time= 1.04 hrs
Qp = 14.37 cfs
24- r .i .I . .. . --
23- I
I _ - _. ... - — -1
22- -
21- _. .-
20- ..._ t
19- I _.-
}
18- -
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9_ _-. __._..__.....__.._-_.--------__.._
7
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4-
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____----•- _-- _-----_._ _._.__...
- t
0- . 1 . I . r r-F-. I . I . I . I .-__---.-..___ . r i I . , . _ ,
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
Time(hrs)
Post-developed BioCell 2
14

Design Storm Report Custom Storm filename:
Hydrology Studio v 3.0.0.32 07-10-2024
Storm Distribution: NRCS/SCS - Type II, 24-hr
Storm Total Rainfall Volume(in)
Duration 1-yr 2-yr 3-yr 5-yr ✓10-yr 25-yr 50-yr 100-yr
24 hrs 2.82 3.40 0.00 4.27 4.95 5.91 6.68 7.48
Incremental Rainfall Distribution,10-yr
Time Precip Time Precip Time Precip Time Precip Time Precip
(hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in)
11.42 0.009174 11.60 0.027808 11.78 0.072322 11.97 0.068110 12.15 0.013918
11.43 0.009306 11.62 0.031064 11.80 0.081378 11.98 0.047499 12.17 0.013604
11.45 0.009438 11.63 0.034320 11.82 0.090435 12.00 0.026888 12.18 0.013291
11.47 0.009570 11.65 0.037576 11.83 0.099491 12.02 0.016980 12.20 0.012977
11.48 0.009702 11.67 0.040832 11.85 0.108548 12.03 0.016112 12.22 0.012664
11.50 0.009834 11.68 0.044088 11.87 0.117605 12.05 0.015799 12.23 0.012350
11.52 0.011565 11.70 0.047344 11.88 0.126661 12.07 0.015485 12.25 0.012037
11.53 0.014784 11.72 0.050600 11.90 0.135718 12.08 0.015172 12.27 0.011723
11.55 0.018040 11.73 0.053856 11.92 0.144775 12.10 0.014858 12.28 0.011410
11.57 0.021296 11.75 0.057112 11.93 0.094670 12.12 0.014545 12.30 0.011096
11.58 0.024552 11.77 0.062786 11.95 0.088722 12.13 0.014231 12.32 0.010783
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0 2 4 6 8 10 12 14 16 18 20 22 24
Time (hrs)
15

Hydrograph 100-yr Summary Project Name:Landing at Meadow View
Hydrology Studio v 3-0.0.32 07-10-2024
Hyd. Hydrograph Hydrograph Peak Time to Hydrograph Inflow Maximum Maximum
No. Type Name Flow Peak Volume Hyd(s) Elevation Storage
(cfs) (hrs) (cuft) (ft) (cuft)
1 NRCS Runoff Pre-developed#1 28.18 12.02 72,551 ----
2 NRCS Runoff Post-developed 35.13 11.98 83,776 ---
3 Pond Route BioCell 2 28.91 12.03 74,900 2 975.45 22,981
16

Hydrograph Report Project Name:Landing at Meadow View
Hydrology Studio v 3.0.0.32 07-10-2024
BioCell 2 Hyd. No. 3
Hydrograph Type = Pond Route Peak Flow = 28.91 cfs
Storm Frequency = 100-yr Time to Peak = 12.03 hrs
Time Interval = 1 min Hydrograph Volume = 74,900 cult
Inflow Hydrograph = 2 - Post-developed Max. Elevation = 975.45 ft
Pond Name = Biocell 1 Max. Storage = 22,981 cult
Pond Routing by Storage Indication Method Center of mass detention time=1.01 hrs
Qp = 28.91 cfs
40-
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0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Time(hrs)
—Post-developed— BioCell 2
17

Design Storm Report Custom Storm filename
Hydrology Studio v 3.0.0.32 07-10-2024
Storm Distribution: NRCS/SCS - Type II, 24-hr
Storm Total Rainfall Volume(in)
Duration 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr ✓100-yr
24 hrs 2.82 3.40 0.00 4.27 4.95 5.91 6.68 7.48
Incremental Rainfall Distribution,100-yr
Time Precip Time Precip Time Precip Time Precip Time Precip
(hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in) (hrs) (in)
11.42 0.013863 11.60 0.042021 11.78 0.109286 11.97 0.102922 12.15 0.021031
11.43 0.014062 11.62 0.046941 11.80 0.122971 11.98 0.071776 12.17 0.020557
11.45 0.014262 11.63 0.051862 11.82 0.136657 12.00 0.040631 12.18 0.020084
11.47 0.014461 11.65 0.056782 11.83 0.150343 12.02 0.025658 12.20 0.019610
11.48 0.014661 11.67 0.061702 11.85 0.164028 12.03 0.024347 12.22 0.019136
11.50 0.014860 11.68 0.066622 11.87 0.177714 12.05 0.023874 12.23 0.018663
11.52 0.017476 11.70 0.071542 11.88 0.191399 12.07 0.023400 12.25 0.018188
11.53 0.022341 11.72 0.076463 11.90 0.205085 12.08 0.022926 12.27 0.017715
11.55 0.027261 11.73 0.081383 11.92 0.218771 12.10 0.022452 12.28 0.017241
11.57 0.032181 11.75 0.086303 11.93 0.143057 12.12 0.021979 12.30 0.016768
11.58 0.037101 11.77 0.094877 11.95 0.134069 12.13 0.021505 12.32 0.016294
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Time (hrs)
18

IDF Report IDF filename:WalkertownNC.idf
Hydrology Studio v 3.0.0.32 07-10-2024
Equation Intensity=B/(Tc+D)AE(in/hr)
Coefficients 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
B 61.0288 69.5351 0.0000 69.7154 66.8888 59.8669 53.2158 48.0210
D 13.0000 13.0000 0.0000 12.7000 12.2000 11.2000 10.2000 9.3000
E 0.8971 0.8821 0.0000 0.8344 0.8000 0.7436 0.6986 0.6598
Minimum Tc=5 minutes
Tc Intensity Values(in/hr)
("'i") 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
Cf 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00
5 4.56 5.43 0 6.34 6.87 7.55 7.95 8.30
10 3.66 4.38 0 5.15 5.60 6.18 6.52 6.81
15 3.07 3.68 0 4.36 4.76 5.28 5.58 5.85
20 2.65 3.18 0 3.80 4.16 4.64 4.92 5.17
25 2.34 2.81 0 3.37 3.71 4.15 4.42 4.66
30 2.09 2.52 0 3.04 3.35 3.77 4.03 4.26
35 1.89 2.29 0 2.77 3.06 3.46 3.71 3.94
40 1.73 2.10 0 2.55 2.83 3.21 3.45 3.67
45 1.60 1.94 0 2.36 2.63 2.99 3.23 3.44
50 1.48 1.80 0 2.21 2.46 2.81 3.04 3.25
55 1.39 1.68 0 2.07 2.31 2.65 2.87 3.08
60 1.30 1.58 0 1.95 2.18 2.51 2.73 2.93
Cf=Correction Factor applied to Rational Method runoff coefficient
Sample IDF Curves
9- - - -
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25yr
7 -
j - 10yr
' I
6- - 5
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1--1-r.,--i-f-i-i i I r I r 1-im r 1 r I i r-r -r-i-r, r r I I I I I r f r r r r 1 r 1 I I 1 1-1-i-r-1
0 5 10 15 20 25 30 35 40 45 50 55 60
Time(min)
19

Precipitation Report Precipitation filename:WalkertownNC.pcp
Hydrology Studio v 3.0.0.32 (Rainfall totals in Inches) 07-10-2024
Active 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
Active ✓ ✓ ✓ I
SCS Storms >SCS Dimensionless Storms
SCS 6hr 1.99 2.41 0 3.00 3.42 4.03 4.49 4.95
Type I,24-hr 0 0 0 0 0 0 0 0
Type IA,24-hr 0 0 0 0 0 0 0 0
Type II,24-hr ✓ 2.82 3.40 0 4.27 4.95 5.91 6.68 7.48
Type II FL,24-hr 0 0 0 0 0 0 0 0
Type III,24-hr 0 0 0 0 0 0 0 0
Synthetic Storms >IDF-Based Synthetic Storms
1-hr 1.30 1.58 0 1.95 2.18 2.51 2.73 2.93
2-hr 1.52 1.86 0 2.36 2.69 3.19 3.55 3.88
3-hr 1.63 2.01 0 2.59 2.99 3.61 4.08 4.53
6-hr 1.81 2.25 0 2.99 3.52 4.41 5.13 5.83
12-hr 1.97 2.48 0 3.40 4.10 5.33 6.38 7.44
24-hr 2.13 2.71 0 3.85 4.74 6.40 7.90 9.46
Huff Distribution >1st Quartile(0 to 6 hrs)
1-hr 0.76 0.98 0 1.33 1.61 2.01 2.34 2.69
2-hr 0.89 1.14 0 1.50 1.80 2.24 2.60 2.99
3-hr: 0.98 1.24 0 1.59 1.90 2.33 2.68 3.07
6-hr 1.20 1.50 0 1.86 2.18 2.64 3.01 3.41
Huff Distribution >2nd Quartile(>6 to 12 hrs)
8-hr 0 0 0 0 0 0 0 0
12-hr 0 0 0 0 0 0 0 0
Huff Distribution >3rd Quartile(>12 to 24 hrs)
18-hr 0 0 0 0 0 0 0 0
24-hr 0 0 0 0 0 0 0 0
Custom Storms >Custom Storm Distributions
My Custom Storm 1 0 0 0 0 0 0 0 0
My Custom Storm 2 0 0 0 0 0 0 0 0
My Custom Storm 3 0 0 0 0 0 0 0 0
My Custom Storm 4 0 0 0 0 0 0 0 0 E
My Custom Storm 5 0 0 0 0 0 0 0 0
My Custom Storm 6 0 0 0 0 0 0 0 0
My Custom Storm 7 0 0 0 0 0 0 0 0
My Custom Storm 8 0 0 0 0 0 0 0 0
My Custom Storm 9 0 0 0 0 0 0 0 0
My Custom Storm 10 0 0 0 0 0 0 0 0
20

Precipitation Report Cont'd Precipitation filename:WalkertownNC.pcp
Rainfall totals in Inches 07-10-2024
Active 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
Active J ✓ ✓ ,/
Huff Indiana >Indianapolis
30-min 0.99 1.19 0 1.44 1.63 1.89 2.08 2.28
1-hr 1.21 1.46 0 1.81 2.08 2.45 2.75 3.06
2-hr 1.46 1.77 0 2.22 2.57 3.05 3.44 3.85
3-hr 1.57 1.90 0 2.38 2.76 3.30 3.75 4.21
6-hr 1.92 2.31 0 2.88 3.36 4.01 4.56 5.13
12-hr 0 0 0 0 0 0 0 0
24-hr 0 0 0 0 0 0 0 0
Huff Indiana >Evansville
30-min 0.99 1.19 0 1.44 1.63 1.89 2.08 2.28
1-hr 1.21 1.46 0 1.81 2.08 2.45 2.75 3.06
2-hr 1.46 1.77 0 2.22 2.57 3.05 3.44 3.85
3-hr 1.57 1.90 0 2.38 2.76 3.30 3.75 4.21
6-hr 1.92 2.31 0 2.88 3.36 4.01 4.56 5.13
12-hr 0 0 0 0 0 0 0 0
1 24-hr 0 0 0 0 0 0 0 0
Huff Indiana >Fort Wayne
30-min 0.99 1.19 0 1.44 1.63 1.89 2.08 2.28
1-hr 1.21 1.46 0 1.81 2.08 2.45 2.75 3.06
2-hr 1.46 1.77 0 2.22 2.57 3.05 3.44 3.85
3-hr 1.57 1.90 0 2.38 2.76 3.30 3.75 4.21
6-hr 1.92 2.31 0 2.88 3.36 4.01 4.56 5.13
12-hr 0 0 0 0 0 0 0 0
24-hr 0 0 0 0 0 0 0 0
Huff Indiana >South Bend
30-min 0.99 1.19 0 1.44 1.63 1.89 2.08 2.28
1-hr 1.21 1.46 0 1.81 2.08 2.45 2.75 3.06
2-hr 1.46 1.77 0 2.22 2.57 3.05 3.44 3.85
3-hr 1.57 1.90 0 2.38 2.76 3.30 3.75 4.21
6-hr 1.92 2.31 0 2.88 3.36 4.01 4.56 5.13
12-hr 0 0 0 0 0 0 0 0
24-hr 0 0 0 0 0 0 0 0
.i
21

Precipitation filename:WalkertownNC.pcp
Precipitation Report Cont'd
Rainfall totals in Inches 07-10-2024
Active 1-yr 2-yr 3-yr 5-yr 10-yr 25-yr 50-yr 100-yr
Active ✓ ✓ ✓ ✓
NRCS Storms >NRCS Dimensionless Storms
NRCS MSE3,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE4,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE3,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE4,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE5,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCS MSE6,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NOAA-A,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NOAA-B,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NOAA-C,24-hr` 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NOAA-D,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCC-A,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCC-B,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCC-C,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
NRCC-D,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-1,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-2,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-3,24-hr, 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-4,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
I
CA-5,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
CA-6,24-hr 2.72 3.27 0 4.07 4.72 5.63 6.37 7.15
FDOT Storms >Florida DOT Storms
FDOT,1-hr 0 0 0 0 0 0 0 0
FDOT,2-hr 0 0 0 0 0 0 0 0
FDOT,4-hr 0 0 0 0 0 0 0 0
FDOT,8-hr 0 0 0 0 0 0 0 0
FDOT,24-hr 0 0 0 0 0 0 0 0
FDOT,72-hr 0 0 0 0 0 0 0 0
SFWMD,72-hr 0 0 0 0 0 0 0 0
Austin Storms >Austin Frequency Storms
Austin Zone 1,24-hr 0 0 0 0 0 0 0 0
Austin Zone 2,24-hr 0 0 0 0 0 0 0 0
22