Stormwater Calculator
 Share
The version of the browser you are using is no longer supported. Please upgrade to a supported browser.Dismiss

 
View only
 
 
ABCDEFGHIJKLMNOPQRSTUVWXYZ
1
Student Portfolio Item
2
4
3
Schoolyard Stormwater Mixing Thermal Calculator
4
To calculate runoff volumes and estimate final runoff temperature for rain events
5
ENTER INFO IN THE
GRAY
FIELDS
6
This worksheet designed with Cover Types specifically for:Urbana HS
7
8
STUDENT GROUP:
9
10
Total Schoolyard Area (acres):
Rain Event Volume (Inches):
Rain Event Date:
11
12
#1 HOTTEST RUNOFF LOCATION
#2 HOTTEST RUNOFF LOCATION
#3 HOTTEST RUNOFF LOCATION
13
Enter the data with the HIGHEST runoff temperature.
Enter the data with the 2nd HIGHEST runoff temperature.
Enter the data with the LOWEST runoff temperature.
14
Catchment Area 1 (Name):
parking lot
Catchment Area 2 (Name):
tennis court
Catchment Area 3 (Name):
bldg roof
15
Runoff temp (degrees C):
24.5
Runoff temp (degrees C):
21.4
Runoff temp (degrees C):
21.3
16
Pervious (OS B) (#acres):
Pervious (OS B) (#acres):
Pervious (OS B) (#acres):
17
Pervious (OS C) (#acres):
Pervious (OS C) (#acres):
Pervious (OS C) (#acres):
18
Impervious(#acres):3.27Impervious(#acres):0.64
Impervious(#acres):
5.99
19
Size (acres):3.27Size (acres):0.64Size (acres):5.99
20
21
Runoff Volume(1)121.12(ft3)Runoff Volume(2)23.71(ft3)Runoff Volume(3)221.87(ft3)
22
23
24
Volume (gal)Volume (ft3)Mass (kg)Estimated Temp(oC)
25
Catchment 1 & 2 ONLY Combined:
1,086.2144.84,101.624.0
26
27
Catchment 2 & 3 ONLY Combined
1,841.9245.66,954.821.3
28
29
Total Combined (1, 2, &3):
2,750.3366.710,385.122.4
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Do not touch these.
45
46
47
For use to calculate runoff volumes and estimate final runoff temperature for each rain event
48
This worksheet designed with Cover Types specifically for:
49
Do not remove these "Items"
50
Directions:
Total Schoolyard Area:
acres
51
Enter data for each field in gray
52
STUDENT GROUP: (enter student names)
53
54
Rain Event Date:
Rain Event Volume:
inch(es)
55
56
Enter the data for the catchment area with the HIGHEST runoff temperature.
Runoff Temp:
57
CATCHMENT AREA 1NAME:Size: acres24.5oC
58
Cover Type*Soil AreaArea CN (from TR-55)SQ Runoff(1)Runoff Volume(2)Runoff Mass
Do not remove these "items"
59
Type(acres)(sf)(in)(ft3)(kg)
60
61
62
Open SpaceB0616.40.31967213110.000.00
63
Open SpaceC0743.50.17567567570.000.00
64
ImperviousN/A3.27142441.2980.200.01020408163121.123430.22
65
66
Catchment 1 TOTAL:N/A3.27142441.2N/AN/AN/A121.123430.22
67
68
Enter the data for the catchment area with the SECOND HIGHEST runoff temperature.
Runoff Temp:
69
CATCHMENT AREA 2NAME:Size:0.64 acres21.4oC
70
Cover Type*Soil AreaArea CN (from TR-55)SQ Runoff(1)Runoff Volume(2)Runoff Mass
71
Type(acres)(sf)(in)(ft3)(kg)
72
73
74
Open SpaceB0616.40.31967213110.000.00
75
Open SpaceC0743.50.17567567570.000.00
76
ImperviousN/A0.6427878.4980.200.0102040816323.71671.36
77
78
Catchment 2 TOTAL:N/A0.6427878.4N/AN/AN/A23.71671.36
79
80
Enter the data for the catchment area with the LOWEST runoff temperature.
Runoff Temp:
81
CATCHMENT AREA 3NAME:Size:5.99 acres21.3oC
82
Cover Type*Soil AreaArea CN (from TR-55)SQ Runoff(1)Runoff Volume(2)Runoff Mass
83
Type(acres)(sf)(in)(ft3)(kg)
Do not remove these items.
84
85
86
Open SpaceB0616.40.31967213110.000.00
87
Open SpaceC0743.50.17567567570.000.00
88
ImperviousN/A5.99260924.4980.200.01020408163221.876283.49
89
90
Catchment 3 TOTAL:N/A5.99260924.4N/AN/AN/A221.876283.49
91
92
Volume (gal)
Volume (ft3)
Mass (kg)
Estimated Temp(oC)
93
Catchment 1 & 2 ONLY Combined:
1,086.2144.84,101.624.0
94
95
Catchment 2 & 3 ONLY Combined:
1,841.9245.66,954.821.31
96
97
Total Combined (1, 2, &3):
2,750.3366.710,385.122.36
98
99
100
Loading...
Main menu