Grandstands and bleachers that cannot be dismantled
ERP fire safety – Building regulations

Bleachers, staircases and walkways serving bleacher seating must be designed to withstand operating loads in accordance with the standard NF P06-013.

For steps in these areas, inside auditoriums, amphitheatres, sports facilities, etc., the tread must be greater than or equal to 0.25m. They may not be quarter-turned, and the alignment of stair nosings must be less than or equal to 35°.

The slope of the alignment of this stand or part of a stand can be up to 45°:

• if there are no more than 5 consecutive rows of bleachers;

• if the vertical circulations are equipped with a central handrail, discontinuous or not, and each half-width is calculated according to...