Choose the layout around the operating need.
One combination layout. Two everyday essentials. Explore individual shower/restroom stalls for your commercial site. The useful question is how the facilities will work at the property, not whether the photograph resembles a unit you have used before. Record how many people need showers and toilets, whether their use overlaps, and which permanent facilities remain available.
The documented 13ft, 22ft and 30ft combination configurations provide three, six and eight individual shower/restroom stalls. They are useful reference options for commercial work, but the assigned unit and site connections still need confirmation. Do not convert stall count into an unsupported users-per-day claim.
Put the utility responsibilities in the plan.
Confirm potable water, the assigned electrical connection and an approved wastewater arrangement. Identify who checks those connections and who manages servicing during the rental. When water, power or drainage is unavailable, explain that condition before the equipment is selected. Do not assume an ordinary outlet or nearby drain will be appropriate.
Make the quote fit the whole project.
A preliminary equipment amount does not establish delivery, collection, setup, servicing, taxes, permit responsibilities or minimum terms. Bring those questions together with the location and dates, then request a written scope. Use the calculator for the documented models and rental bands, or call for a configuration or duration that is not listed.