A minimum stair width between enclosing walls strings or upstands of 1200mm.
Fire escape stairs dimensions uk.
Twice the rise plus the going 2r g should be between 550mm and 700mm.
Private staircase domestic 42 maximum.
Stage 2 escape from the compartment of origin via the circulation route to a protected stairway or an adjoining compartment offering refuge.
The only exception is when you build a staircase where a landing separates two sets of flights.
Our stairs have been supplied to colleges industrial sites offices holiday resorts and the mod.
Stage 3 escape from the floor of origin to the ground level.
Uk building regulations stairs are no joke.
Escape is generally considered in four distinct stages as follows.
Fire safety volume 2 buildings other than dwelling houses.
Approved document b fire safety volume 1.
As an example if you want to build a regulation staircase all risers will have to come at the same size.
Fire detection and alarm systems 9 design and installation of systems 11 section 2.
Firstly you need to start by measuring the total rise to help determine what size your staircase needs to be these are measurements from the finished floor below to the finished floor level above.
Pitch of stairs.
Utility public 38 maximum.
Stage 1 escape from the room or area of fire origin.
Our range of designs span from single flight domestic fire escapes through to multi floored staircase structures all take careful planning and accurate engineering.
We are specialists in replacements that involve the removal of an old fire escape right through to the installation of a new one.
1 15 for flights of stairs which do not form part of the means of escape provide all of the following.
Buildings other than dwellings 2019 edition.
The maximum pitch of stairs.
Spiral uk specialise in the design manufacture and installation of metal fire escape stairs.
In that case these two flights can have different rises compared to each other.
Dwellings 2019 edition and approved document b fire safety volume 2.
Contact us and request a quote.
Paragon stairs provides metal fire escape staircases that are guaranteed to last through constant outdoor exposure.
Please note that your stair tread cannot be too long or the riser too short because building regulations also state.
Design for vertical escape 28 introduction 28 number of escape stairs 28 provision of refuges 29 width of escape stairs 30.
Design for horizontal escape 12 introduction 12 escape route design 12 residential care homes 25 section 3.