ADA 5 percent cluster rule
Also called: ADA percentage, accessible unit ratio
The ADA cluster rule is the provision in the 2010 ADA Standards for Accessible Design that, where multiple single-user portable toilets are clustered at one location, at least 5 percent of the units in each cluster must comply with the accessible toilet requirements and be identified with the International Symbol of Accessibility.
The rule applies per cluster, not per event. Ten clusters of four units each across a festival need an accessible unit in each cluster, not one accessible unit for the whole site. Rounding always goes up, so a cluster of one to twenty units needs one accessible unit.
The rule applies to places of public accommodation and government facilities. Private parties are not covered, but local permit offices often require accessible units for any event open to the public.
See also: ADA-compliant portable toilet, Cluster, Special event permit
Questions that use this term
Search allDo I need an ADA porta potty at my event, and how many? ✓ Solved
Yes, you need at least one ADA-compliant portable toilet for your community 5K event. The ADA Standards for Accessible Design mandate that when…
How to start a porta potty rental business: what you actually need before the first unit goes out ✓ Solved
A portable toilet rental business needs a septage hauler permit, a disposal agreement, a vacuum truck and a service-ready unit fleet before the first…
What a health inspector looks for at portable toilets during an event inspection
A health inspector checks portable toilets at an event for four main things: enough units, safe and clean placement, proper handwashing, and correct…
Porta potty placement rules: distance from food, water, property lines and the truck
Placement rules for portable toilets follow health department and permit office requirements for distance from food, water and property lines, plus…
What makes a porta potty ADA compliant, and how is it different from a regular unit?
An ADA-compliant portable toilet is a unit built to the 2010 ADA Standards for Accessible Design, not just a larger standard unit. The key…
ADA (handicap) porta potty rental cost: why the accessible unit is priced differently ✓ Solved
An ADA-compliant portable toilet costs more to buy, maintain, and deliver than a standard unit, which drives the higher rental price. The ADA unit is…
If I split 20 units into four clusters, do I need an ADA unit in every cluster?
I'm planning a large outdoor festival on city park grounds, expecting about 1,200 people over an eight-hour day with beer and food trucks. The permit…
What's the actual difference between an ADA unit and a 'wheelchair-accessible' unit?
I'm reviewing portable toilet options for a weekend music festival and noticed some rental companies list an 'ADA-compliant' unit while others…