29 CFR 1926.51 sets the minimum for every construction crew.
That is the legal floor. With weekly cleaning, plan 1 unit per 10 workers so tanks do not overfill.
A crew of 80 needs at least 2 seats and 2 urinals under Table D-1.
1926.51(f) requires wash facilities for paint, coatings, herbicides and similar work.
No contract, no removal fee. Call when the job is done and billing stops.
Same-day delivery when you call by noon on weekdays. Call (402) 313-6717.