What makes a porta potty ADA accessible?
Size and clearance, mostly. An accessible unit has to give a wheelchair user enough room to enter, turn, and reach the fixtures without a fight. ADA Standards section 304.3.1 calls for a 60 inch diameter turning circle inside, which is a lot more floor than a standard unit gives you. The door opening has to clear 32 inches per section 404.2.3, wider than the frame on most standard stalls. Inside, grab bars and paper are set within reach ranges under section 308.2.1, unobstructed forward reach maxing out at 48 inches high and 15 inches low. Door hardware and flush mechanisms have to work with a closed fist under section 309.4, no pinching, no twisting, no more than 5 pounds of force. Gresham Porta Pros stocks purpose-built ADA accessible porta potty units that meet all four of these specs, not standard units with a ramp bolted on. If you are still working out unit counts for a mixed event or job site, the how many porta potties do I need guide walks through the math before you call.
How many ADA units does a Gresham site need?
One accessible unit minimum, then it scales with your total count. ADA Standards section 213.2 sets the floor: where portable toilets are clustered, at least 5 percent of the units need to be accessible, and you never go below one regardless of cluster size. A five-unit bank at a Gresham construction site still needs one accessible unit. A twenty-unit festival deployment needs at least one for every twenty standard units under that same ratio. This runs alongside the general OSHA count in 1926.51(c), which sets facility ratios by crew size independent of accessibility, a distinction worth knowing before you finalize a porta john rental order. Route planning matters as much as unit count. Section 403.5.1 requires a 36 inch clear width on the path leading to the unit, and section 302.1 requires that ground surface be stable, firm, and slip resistant, which rules out loose gravel or soft turf as a landing pad in wet Gresham months. We factor both into the porta potty placement guide we run for every site.
| unit | day | week | month |
|---|---|---|---|
| standard | $100 - $350 | $130 - $500 | $125 - $325 |
| ada | $200 - $400 | $200 - $240 | not typically offered monthly |
ADA units run higher per day than standard but the weekly band overlaps, so a multi-day Gresham event often comes out close to a standard unit's weekly rate. Full pricing detail lives on the porta potty rental cost page, day-rate specifics are on porta potty rental per day, and jobs running longer should compare against monthly porta potty rental rates.
Do construction sites in Gresham need ADA units?
Only if the site itself is subject to public accessibility requirements, which most active construction zones are not, but any site open to visitors, inspectors, or the public typically is. OSHA's own toilet-count rule at 1926.51(c) does not carry an accessibility clause, it is purely a ratio by crew size, one toilet for 20 workers or fewer, scaling up from there. ADA obligations come from a separate standard and usually attach to sites with public access, sales offices, or model units on display, not to a fenced work zone with crew-only entry. If your Gresham project has both a restricted work zone and a public-facing area, plan for standard units inside the fence, temporary fencing along the perimeter from the temporary fence rental line, and at least one accessible unit at any public entry point. The construction site services page covers how we split those zones on a typical job, the porta potty permit requirements page covers what else the city may ask for, and a home renovation porta potty booking usually skips the accessibility question entirely since it stays crew-only.
Where should the accessible unit go on site?
Closest to the entrance, on the flattest, most stable ground available, with a clear approach path the full way. Section 405.2 caps any ramp at a 1:12 running slope, so if the pad sits above grade at all, the ramp has to be long and gradual, not a quick lip. Combine that with the 36 inch path width from section 403.5.1 and the firm-surface rule from section 302.1, and you start to see why accessible placement takes more site prep than a standard unit dropped near the gate. For an event with a stage, vendor row, and a beer garden, that often means the accessible unit is not physically next to every other unit in the bank, it is wherever the path is shortest and flattest. We scout that during delivery for every event restroom rental and wedding restroom rental booking in Gresham, the same logic applies to a festival restroom rental with heavier foot traffic, and a concert restroom rental or marathon and race restrooms layout needs the same flat, short approach path. If your event needs a full trailer instead of single units, the restroom trailer rental line has ADA-compliant stalls built into larger trailer configurations.
Frequently asked questions
Does a standard unit ever count as ADA compliant?
No. A standard unit is built to a different footprint entirely and does not meet the 32 inch door or 60 inch turning circle that accessible units require. If your site needs both, order them as separate line items, matching what the portable toilet rental page describes, so nothing gets substituted at delivery.
How many accessible units does a 40-unit event need?
At minimum, two, following the 5 percent rule under ADA Standards section 213.2. Large events in Gresham often round up past the minimum once foot traffic patterns are mapped, especially near stages and vendor areas where wait times spike.
Can I rent just one ADA unit for a small job site?
Yes. A single accessible unit satisfies the minimum under section 213.2 for a small cluster, and it pairs fine with standard units for the rest of the crew, sized per OSHA 1926.51(c).
Does Gresham require anything beyond the ADA standard?
Placement in the public right of way still needs confirming with the city before delivery. Check the porta potty permit requirements page, review the service areas page for nearby coverage, or call ahead if the unit sits on a sidewalk or street frontage.
What is the difference between ADA units for events versus job sites?
Mostly duration and delivery terms, not the unit itself. Job sites usually rent weekly or monthly, events rent by the day or weekend, and pricing follows the bands on the porta potty rental cost page either way.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.