Staircase Code Requirements
Permitted and not permitted works in household shelters pdf 69 kb for enquiries on permitted works within hdb household shelters flat owners are encouraged to consult their hdb branch offices.
Staircase code requirements. Is a municipal regulation. Technical requirements for household shelters 2017 pdf 33 mb. Typically a landing must be provided for every 12 feet 3658 cm of rise as per fire safety codes. Civil defence shelter act.
List approved suppliers for household shelters. Therefore let us recap on the residential stair code requirements. The majority of the code provisions address dimensional restraints such as width riserun and vertical clearance. In view that bca does not have any specific requirements for staircase landings risers treads and headroom for specific usages or spaces and has removed them from its code.
The international residential code irc has specific instructions the way stairs can be built. A paragraph 33 heading has been changed to include design of glass panel barrier b paragraph 332 this item is moved from b33 on structural design so as to group all requirements. Heres a clear summary of what the irc code says about stair rise run and nosing. Rise is the overall height of the entire staircase from the lowest point to the highest point.
W paragraph b381 g current code has been replaced by bs en 10025 x paragraph b381 k incorporate codes for testing of timber section h. These requirements are reinstated in this edition of the fire code to ensure the exit staircases meet minimum requirements for safe evacuation of occupants and access by firefighters for rescue and firefighting. Summary of code requirements for residential stairs. For code requirements the minimum staircase width is the horizontal dimension between the sidewalls of a staircase measured above the handrails.
Thus it varies by state and town. For each stair specification code citation we include links to in depth articles providing more details. Rise is an important measurement for determining the location and placing of landing. To learn about the code requirements for residential guardrails and what purpose they serve be sure to check out this post.
Not every municipality adopts every part of every code and some cities and states add in their own additional rules. Stairs residential building code for the united states. Stair railing guardrail handrail landing platform building design build specifications. Headroom is the vertical dimension from the stair treads to the ceiling directly above.
The live load to be considered while designing the stairs is specified as 40 pounds per square foot for residential applications and 100 pounds per square foot for other applications. Height or rise of staircase. So this basically sums up the basic code requirements for residential stairs and their dimensions. The stairs residential building code for the us.