Winter 2026: will porta potties freeze on a Montana ranch?
We run a working ranch outside Bozeman with a crew of about 10 seasonal hands and a guest cabin that has no septic. I've used standard portable…
2answers
24views
Carl D. replied
Construction & Job Sites
OSHA ratios, long-term site rentals, weekly service, high-rise and crane-lift units, winter and vandalism.
147 questions
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
18views
Ray M. 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
19views
Deb K. 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
Our site has 120 workers across three buildings. One toilet bank or separate ones?
We have a 12-acre site with three separate buildings under construction, all spread out. We've got 120 workers total, split across the three…
2answers
26views
Deb K. replied
Wasps built a nest up by the porta potty vent on our framing job. Spray it ourselves or wait for the rental company?
We're framing a two story house and the standard unit has been on site since August. This week the guys noticed wasps going in and out right where…
2answers
20views
Deb K. replied
OSHA 1926.51: does a 'mobile crew' exemption apply if the nearest bathroom is 10 minutes away?
OSHA 1926.51 does not exempt your crew from providing a toilet on site if the nearest bathroom is 10 minutes away. The mobile crew exemption applies…
1answer
20views
Ray M. replied
High-rise site: what's the backup plan if the service elevator is reserved by another trade?
We have a 40-story tower going up in Phoenix. The crew is 120 men, so we have four standard units and one ADA-compliant unit on the 15th floor. They…
1answer
21views
Deb K. replied
What's the OSHA rule for a 120-worker site with multiple buildings under construction?
The OSHA rule for a 120-worker site requires one toilet seat and one urinal per 40 workers for the entire site, not per building. That's three…
1answer
20views
Marcus B. replied
High-rise site: what's the backup plan if the service elevator is reserved?
We're 14 weeks into a 20-story tower. The crew is 45 to 50 people daily. I have one standard portable toilet and one ADA-compliant portable toilet…
1answer
27views
Marcus B. replied
OSHA 1926.51: does it cover subcontractor workers separately?
OSHA 1926.51 counts all workers on the construction site, regardless of employer. Your general contractor crew and the three subcontractor crews are…
1answer
20views
Deb K. replied
Cold mornings on our framing job: the inside of the porta potty drips and the toilet paper is soaked. Fixable? ✓ Solved
Deb is right about condensation, but the rental company can also add a winterization antifreeze solution to the holding tank during the next service…
2answers
27views
Ray M. replied
High-rise site: what's the protocol if the service elevator is out?
We're five months into a 20-story high-rise build in downtown Phoenix. I have a standard-unit and an ADA-compliant on every third floor, serviced…
1answer
25views
Brad L. replied
What's the OSHA rule for a 75-worker solar farm spread over 60 acres?
OSHA 1926.51(c) requires one toilet seat and one urinal per 40 workers for a 75-worker construction crew, regardless of site size or crew dispersion.…
1answer
24views
Deb K. replied
OSHA 1926.51: does a 'mobile crew' exemption apply if the nearest gas station bathroom is 10 minutes away?
The gas station 10 minutes away does not qualify as 'readily available' under the OSHA 1926.51 mobile crew exemption. You must provide a portable…
2answers
22views
Marcus B. replied
High-rise project: what's the protocol if the crane for the porta potty is down on service day?
We're running a 30-story high-rise in downtown Phoenix with a crew of 120. We've got a standard portable toilet and an ADA-compliant unit up on the…
2answers
24views
Deb K. replied
Framing three spec houses on side by side lots: one porta potty per lot or can the crews share? ✓ Solved
OSHA considers this one site because the lots are adjacent and the same crew works all three. The OSHA construction sanitation standard, 29 CFR…
2answers
25views
Marcus B. replied
What's the OSHA rule for a 45-worker bridge project over water?
For a 45-worker bridge project over water, you need two toilets and two urinals to meet OSHA 1926.51. That standard requires one toilet seat and one…
1answer
25views
Carl D. replied
What's the protocol if a porta potty tips over in high winds?
We're building a three-story office in an open field west of Phoenix. The site is exposed and we get those afternoon monsoon gusts. Last week a…
2answers
27views
Ray M. replied
2026: What's the OSHA rule for porta potties on a 75-worker site?
OSHA 1926.51 requires two portable toilets for 75 construction workers. The standard specifies one toilet seat and one urinal per 40 workers, so 75…
1answer
24views
Deb K. replied
Can we use portable urinals to meet OSHA for a 60-man crew?
We've got a 60-man crew on a five-month commercial job. The site is tight, and I'm trying to minimize the footprint for the toilet setup. OSHA…
1answer
26views
Deb K. replied
Solar farm install spread over 60 acres: cluster units at the laydown yard or scatter them down the rows? ✓ Solved
Scatter units along the access roads. OSHA 1926.51 requires at least two units (one toilet and one urinal) for your crew of 40, but on a 60-acre…
2answers
24views
Marcus B. replied
What's the OSHA rule for porta potties on a bridge project?
OSHA 1926.51(c) requires one toilet and one urinal per 40 workers for a crew of 45 on a construction site. Your bridge project needs two units. The…
1answer
27views
Marcus B. replied
Water line crew moving about a mile a week: can we tow a trailer unit ourselves?
We're replacing a water line along a county road, crew of six, and the work face moves roughly a mile every week. Right now we have one standard unit…
2answers
26views
Marcus B. replied