OSHA 1926.51: do subcontractor crews count toward the toilet ratio?
Yes, OSHA 1926.51 includes all subcontractor workers in your total toilet count. The standard applies to every employee on the construction site, regardless of their employer. You must count every worker present to determine the minimum number of units required.
OSHA 1926.51(c) ratios
For 20 or fewer workers, provide one toilet. For 20 to 199 workers, provide one toilet seat and one urinal per 40 workers. For 200 or more workers, provide one toilet seat and one urinal per 50 workers. Count all workers, including subcontractors and your own crew.
ADA compliance
When you place multiple units in a cluster, the ADA cluster rule applies. At least 5% of the units must be ADA-compliant, which in practice means at least one accessible unit per cluster.
Service and placement
Schedule weekly service visits for pumping and cleaning. Ensure truck access to each unit on service days. Place units on level ground within 25 feet of where the vacuum truck can park.
Post your site details, total worker count, project duration, ground conditions, if you need help calculating your exact unit needs.