How many ADA units does my Aurora site need?
Start with the 5 percent rule from ADA Standards section 213.2: clustered single-user units require at least one accessible unit, scaling up from there. A jobsite running four to nine standard units still only needs one accessible unit under that ratio. Once you cross into larger counts, the math changes fast, and Aurora Porta Pros will work it out with you rather than round down. This is separate from general OSHA toilet-count rules under OSHA 1926.51(c)(1), which set ratios by worker headcount, not accessibility. You need both numbers satisfied, not just one. For a downtown Aurora build with 45 workers on site, that means enough seats for the crew under OSHA 1926.51(c)(1) and at least one accessible unit meeting the standards below. We size both counts on the same visit, whether the job is a construction site or a multi-day event near Cherry Creek, 16.2 miles southwest of central Aurora.
What makes a portable toilet ADA accessible?
Size and clearance, mostly. ADA Standards section 404.2.3 requires a minimum clear door opening of 32 inches, wider than the doorway on a standard unit. Inside, ADA Standards section 304.3.1 calls for a 60 inch turning circle so a wheelchair user can maneuver without backing out the door. The approach path matters too: ADA Standards section 403.5.1 sets a 36 inch minimum clear width for the route leading to the unit, which rules out placing an accessible unit behind a curb cut or across loose gravel. ADA Standards section 302.1 also requires the ground surface itself to be stable, firm and slip resistant, which is why we skip mulch beds and soft turf when we set an accessible unit near a stage or vendor row for a festival or county fair in Aurora.
Reach matters inside the unit too. ADA Standards section 308.2.1 limits the forward reach range to 48 inches high and 15 inches low for controls and dispensers, and ADA Standards section 309.4 requires that any operable part, like a door latch or paper dispenser, work with one hand and no more than 5 pounds of force. None of that is optional trim. It is the difference between a unit that satisfies ADA Standards and a standard unit with a bigger sticker on it.
Where should ADA units be placed on site?
Placement follows the same logic as the ramp rule: ADA Standards section 405.2 caps ramp running slope at 1:12, so if your Aurora site sits on a grade, we plan the pad and the approach before delivery day rather than after. A roll-off delivery or restroom trailer drop typically needs about 60 feet of straight clearance behind the truck, and that same clearance planning applies when we are staging an ADA accessible unit next to a restroom trailer for a wedding or corporate event. We look at grading, curb cuts and the path from parking before we confirm a spot, not after the truck is already on site.
For events with mixed unit types, ADA units should sit inside the main cluster, not off to the side by themselves. A 4 stall restroom trailer or 8 stall restroom trailer often includes an ADA-compliant stall built into the unit itself, which simplifies placement compared to a standalone porta potty rental cluster. If your event is out toward Parker, 19.1 miles south of Aurora, or Centennial, 23.3 miles southwest, the same placement rules apply. Distance from the city core does not change the standard, only the delivery time.
Do ADA units cost more to rent in Aurora?
| unit | duration | low | typical | high |
|---|---|---|---|---|
| ada | day | 200 | 230 | 400 |
| ada | week | 120 | 185 | 240 |
| ada | weekend | 199 | 240 | 300 |
Yes, ADA units run higher than a standard porta potty rental because of the larger footprint and reinforced flooring needed to meet turning-circle and slip-resistance requirements. A weekend ADA rental in Aurora typically lands near 240 dollars. Compare that against the full breakdown on our porta potty rental cost page, or check porta potty rental per day pricing if you only need a unit for a single work shift. For longer jobs, monthly porta potty rental rates bring the per-day cost down considerably. We also handle handwashing separately; general handwashing setups fall under handwashing station rental, while 29 CFR 1910.141(d)(2) requires soap and towels or a hand-drying device at any handwashing station, not hand sanitizer alone.
How many accessible units does a 12-unit cluster need?
One, at minimum. ADA Standards section 213.2 sets the floor at 5 percent of the cluster, and 5 percent of 12 rounds up to one unit under the "never fewer than one" rule. Larger clusters scale from there.
Does a standard unit ever satisfy ADA requirements?
No. A standard unit runs about 44 by 48 inches on the ground with a narrower door than the 32 inch minimum in ADA Standards section 404.2.3. It cannot fit the required turning circle either.
Can I rent just one ADA unit for a small event?
Yes. Plenty of events near Aurora book a single ADA unit alongside a few standard units or a small restroom trailer. We size the full mix on the same site visit.
Is hand sanitizer enough to meet handwashing rules?
No. 29 CFR 1910.141(d)(2) specifically requires soap and towels or a hand-drying device at washing facilities. Sanitizer alone does not satisfy that standard, so we pair ADA units with a proper handwashing station when needed.
Do I need ADA units for a construction site or just events?
Both. OSHA 1926.51(c)(1) sets toilet ratios by crew size for any construction site, and ADA Standards apply on top of that count whenever the units are open to the public or to workers with disabilities.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.