OSHA 1926.51: 95 workers, how many toilets and urinals?
OSHA 1926.51(c) requires one toilet seat and one urinal per 40 workers for crews of 20 to 199. For 95 workers, you need three toilet seats and three…
1answer
4views
Deb K. replied
Hector V.
@hector_super · Phoenix, AZ · joined · 1535 points · 403 contributions
Superintendent on commercial jobs in the Valley for 18 years. I order the units, sign the service tickets and take the heat when the crew complains about heat, smell or a unit that blew over.
Questions (20)
OSHA 1926.51: 75 workers, how many toilets and urinals?
OSHA 1926.51(c) requires one toilet and one urinal per 40 workers for a crew of 75. You need two toilets and two urinals minimum. The standard…
2answers
6views
Tyler R. replied
High-rise site: winter 2026, will porta potties freeze on the roof?
We're starting a 20-story build in Chicago this January. I need to place four standard units and one ADA-compliant unit on the roof deck for 75…
2answers
9views
Deb K. replied
Why does our porta potty smell worse after service in hot weather?
We have a dozen standard units on a Phoenix high-rise site for 80 guys, six days a week. The rental company services them every Thursday. It's 110…
2answers
6views
Tyler R. replied
OSHA 1926.51: 110 workers, how many toilets and urinals?
OSHA 1926.51(c) requires one toilet and one urinal for every 40 workers on a construction site with 110 employees. For 110 workers, you need three…
1answer
8views
Marcus B. replied
Gate locked on pump day: what happens and who gets charged?
We have a 12-week commercial job in Phoenix with 60 workers. We rent six standard units and one ADA-compliant unit clustered near the main gate. The…
1answer
17views
Tyler R. replied
High-rise site: what's the backup if service elevator is unavailable?
We're 20 stories up on a downtown Phoenix tower. I've got six standard units and one ADA-compliant unit for a crew of 120. The service elevator is…
2answers
14views
Carl D. replied
City right-of-way placement: what permits are needed for a single unit?
You need a permit from the city's public works or transportation department to place a portable toilet in the right-of-way. The right-of-way includes…
2answers
20views
Marcus B. replied
OSHA 1926.51: 85 workers, how many toilets and urinals?
For 85 workers on a construction site, OSHA 1926.51 requires at least three standard portable toilets and two portable urinals. The OSHA standard…
2answers
17views
Tyler R. replied
Winter 2026: will porta potties freeze on a Montana construction site?
We're on a commercial build outside Billings that runs through February. We've got 45 crew on site ten hours a day. The ground is gravel, and the…
2answers
16views
Toni S. replied
OSHA 1926.51: 60 workers, one porta potty and one urinal enough?
OSHA 1926.51 requires two toilets and two urinals for 60 workers on a construction site. The standard states that for 20 to 199 workers, you must…
2answers
20views
Carl D. replied
High-rise site: backup plan if service elevator is out in October 2026?
We are working a 12-story high-rise in Chicago. The job runs through next year. The crew is 120 people on two shifts. We have 15 standard units and…
2answers
16views
Marcus B. replied
Missed service due to locked gate: who gets charged?
We have a 6-month commercial job with 60 workers. I ordered four standard portable toilets and one ADA-compliant portable toilet on weekly service.…
1answer
21views
Tyler R. replied
OSHA 1926.51: 45 workers, one porta potty and one urinal enough?
OSHA 1926.51(c) requires one toilet and one urinal for 40 workers, so 45 workers need one toilet and one urinal. You are compliant. OSHA construction…
1answer
17views
Ray M. replied
Gate locked on pump day: what happens?
We've got a 12-week commercial job with 60 guys on site. I ordered four standard units and one ADA-compliant unit, all on weekly service. The driver…
1answer
19views
Tyler R. replied
High-rise site: backup plan if service elevator is booked?
I'm running a 24-story build in downtown Phoenix with 140 crew on site for the next 10 months. We have six standard portable toilets and one…
2answers
25views
Ray M. replied
OSHA 1926.51: 40 workers, one porta potty enough?
OSHA 1926.51(c) requires more than one portable toilet for 40 workers on a construction site. For 20 to 199 workers, the standard mandates one toilet…
1answer
18views
Deb K. replied
What factors make a monthly rental rate increase after a year?
We have a 12-month rental for a commercial site with 40 workers. The cluster has three standard units and one ADA-compliant unit on level gravel,…
1answer
20views
Brad L. replied
High-rise site: service elevator reserved, what's the backup plan?
We have a 22-story commercial build in Phoenix. The site has 120 workers, so we have three standard units and one ADA-compliant unit on the 18th…
2answers
26views
Ray M. replied
Does OSHA 1926.51 apply to our 25-worker site with a porta potty?
OSHA 1926.51(c) requires one standard portable toilet for a construction site with 25 workers. The standard specifies one toilet for 20 or fewer…
1answer
23views
Porta Potty Forum Team replied