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| Restroom Calculator |
Restrooms needed for Construction Sites
| # of Employees |
Minimum number of
Portable Restroom Facilities |
| 1 - 10 |
1 |
| 11 - 20 |
2 |
| 21 - 30 |
3 |
| 31 - 40 |
4 |
| Over 40 |
1 additional facility for each 10 additional employees |
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| Restrooms needed for Special Events |
Under normal conditions most people will use sanitation facilities once every four hours.
Take into consideration that the consumption of food, liquids, beer, and other alcoholic beverages will increase usage by 30-40%. Use these tables as a guide - then give us a call.
1-800-352-5675 |
How to use this chart:
1) Determine how many hours the event will last, if it is multiple days use the longest day.
2) Determine how many people will attend, if there are multiple days determine the peak day.
3) Use the chart to calculate the number of portable restrooms needed for adequate sanitation conditions. |
Note:
If alcohol is being served, add 15-20% more restrooms.
- Add one Extra-large Restroom 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. |
Length of Event (in hours)
|
Peak
Crowd |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
250 |
2 |
2 |
2 |
2 |
2 |
3 |
3 |
3 |
3 |
3 |
500 |
2 |
3 |
3 |
4 |
4 |
4 |
4 |
4 |
4 |
5 |
1000 |
3 |
4 |
5 |
6 |
7 |
7 |
7 |
7 |
7 |
7 |
2000 |
5 |
8 |
10 |
11 |
12 |
13 |
13 |
14 |
14 |
14 |
3000 |
7 |
12 |
15 |
16 |
18 |
18 |
19 |
20 |
20 |
21 |
4000 |
10 |
16 |
19 |
22 |
24 |
25 |
25 |
27 |
27 |
28 |
5000 |
12 |
20 |
24 |
27 |
29 |
31 |
32 |
33 |
33 |
34 |
6000 |
14 |
24 |
28 |
33 |
35 |
37 |
37 |
39 |
41 |
41 |
7000 |
17 |
27 |
34 |
38 |
41 |
42 |
46 |
46 |
47 |
48 |
8000 |
20 |
32 |
38 |
44 |
48 |
49 |
50 |
51 |
53 |
54 |
10,000 |
24 |
39 |
47 |
54 |
58 |
62 |
64 |
66 |
67 |
68 |
12,500 |
30 |
48 |
61 |
68 |
73 |
78 |
80 |
81 |
82 |
85 |
15,000 |
37 |
57 |
70 |
81 |
87 |
92 |
94 |
99 |
102 |
104 |
17,500 |
42 |
68 |
84 |
95 |
100 |
110 |
111 |
113 |
116 |
118 |
20,000 |
48 |
77 |
95 |
107 |
115 |
120 |
127 |
131 |
133 |
136 |
25,000 |
60 |
96 |
122 |
133 |
146 |
156 |
159 |
162 |
165 |
171 |
30,000 |
73 |
114 |
141 |
163 |
174 |
184 |
188 |
194 |
197 |
201 |
40,000 |
95 |
156 |
188 |
217 |
231 |
243 |
249 |
257 |
266 |
271 |
50,000 |
120 |
192 |
238 |
267 |
290 |
305 |
312 |
322 |
330 |
337 |
75,000 |
177 |
292 |
357 |
403 |
432 |
455 |
470 |
485 |
491 |
508 |
100,000 |
239 |
378 |
475 |
515 |
542 |
562 |
583 |
593 |
620 |
633 |
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