Question

you are retrofitting a public library to comply with accessibility standards. what does the law require for stair design? bp 220 requires closed risers and rounded treads for visual safety in all stairs above two levels. the fire code allows one handrail if stair width does not exceed 1.20 meters. bp 344 requires dual handrails, non - slip finishes, and consistent riser/tread dimensions within set limits. nbcp mandates handrails on open stairs and permits varied riser dimensions for adaptive reuse.

Explanation:

When retrofitting for accessibility, building codes like BP 344 typically have strict requirements for stair design to ensure safety for all users. These requirements often include dual handrails for better support, non - slip finishes to prevent falls, and consistent riser/tread dimensions to avoid tripping hazards. Other options either have incorrect code references or inaccurate requirements for accessibility - related stair design.

Answer:

C. BP 344 requires dual handrails, non - slip finishes, and consistent riser/tread dimensions within set limits.