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Usage Chart
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Restrooms Needed for Special Events
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Length of Event (in hours)
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1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
|
50
|
1
|
1
|
1
|
1
|
2
|
2
|
2
|
2
|
2
|
2
|
|
100
|
2
|
2
|
2
|
2
|
3
|
3
|
3
|
3
|
3
|
4
|
|
250
|
2
|
2
|
3
|
3
|
3
|
4
|
4
|
6
|
6
|
8
|
|
500
|
3
|
4
|
5
|
5
|
5
|
6
|
6
|
7
|
7
|
8
|
|
1000
|
5
|
7
|
8
|
8
|
9
|
9
|
10
|
10
|
12
|
12
|
|
2000
|
8
|
13
|
15
|
17
|
18
|
19
|
19
|
19
|
20
|
20
|
|
3000
|
12
|
19
|
23
|
25
|
28
|
28
|
28
|
30
|
30
|
30
|
|
4000
|
16
|
24
|
30
|
34
|
36
|
38
|
38
|
38
|
38
|
38
|
|
5000
|
19
|
32
|
38
|
42
|
44
|
46
|
46
|
48
|
48
|
48
|
|
6000
|
23
|
38
|
46
|
50
|
54
|
57
|
57
|
60
|
60
|
60
|
|
7000
|
28
|
42
|
54
|
60
|
63
|
66
|
66
|
66
|
66
|
66
|
|
8000
|
32
|
48
|
60
|
66
|
72
|
72
|
75
|
78
|
78
|
78
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|
10,000
|
38
|
60
|
75
|
84
|
88
|
92
|
96
|
96
|
96
|
100
|
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Number of Attendees
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How to use this chart:
- Determine how many hours the event will last. If it is multiple days, use the longest day.
- Determine how many people will attend. If there are multiple days, determine the peak day.
- Use the chart to calculate the number of portable restrooms needed for adequate sanitation conditions.
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Note:
If alcohol is being served, add 15-20% more restrooms. Add one
Extra-large per 20 portable restrooms, or a minimum of one for events
open to the public Adequate hand washing should also be provided with
restrooms in all food service areas.
Restrooms Needed for Construction Projects
Number of Shifts (per 40 hour work week)
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Portable Toilet Rentals 
