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Defined terms: Dimensional and technical measurements
NI-wide·Technical Booklet R Access to and Use of Buildings
Surface width – the width of a stair or ramp, measured at the tread of a flight or the surface of a ramp, between any enclosing walls, strings, upstands, kerbs or guarding. Terminal fitting – a water
stairsrampsaccessibilityaccessScope and relationship to fire safety and Part H
1.7NI-wide·Technical Booklet R Access to and Use of Buildings
Part R is limited to matters of access to, into, within, and use of a building. It does not extend to means of escape for a person with a disability in the event of fire, for which reference should be
non-domesticaccessfire-safetystairsrampsLevel approach requirement for buildings
2.2NI-wide·Technical Booklet R Access to and Use of Buildings
The means of access to a building should be by a level approach complying with paragraph 2.8 to 2.12. However, where site constraints necessitate that all or any part of the means of access to or betw
non-domesticaccessrampsaccessibilityProvision of complementary steps with ramps
2.3NI-wide·Technical Booklet R Access to and Use of Buildings
As ramps are not necessarily suitable and convenient for all people it is beneficial to have steps as well as a ramp. For example, some people who can walk but have restricted mobility find it more di
non-domesticaccessrampsstairsaccessibilityAlternative means of access for high-rise ramped approaches
2.4NI-wide·Technical Booklet R Access to and Use of Buildings
If the total rise of a ramped approach is too high, it can be unacceptably tiring for wheelchair users and some people with walking difficulties, even if a number of rest landings are provided. Theref
non-domesticaccessrampsaccessibilityProtection from areas below stairs and ramps on access routes
2.15NI-wide·Technical Booklet R Access to and Use of Buildings
Any area below the soffit of a stair or a ramp and its landings that is less than 2100 mm above an access route should be protected by a distinguishable barrier rail which incorporates either a vertic
stairsrampsaccessprotection-from-fallingHorizontal circulation and level changes
4.3NI-wide·Technical Booklet R Access to and Use of Buildings
Horizontal circulation within a storey should be level or contain a gradient in the direction of travel less steep than 1 in 20, or by means of a ramp or ramps and landings. Ramps are not necessarily
non-domesticaccessaccessibilityrampsFloor surface requirements for corridors and passageways
4.6NI-wide·Technical Booklet R Access to and Use of Buildings
The floor of a corridor or passageway should – (a) have a surface that has a suitable slip resistance; and (b) be level, or contain a gradient in the direction of travel less steep than 1 in 20. Howev
non-domesticaccessaccessibilityrampsCorridors and passageways with gradients
4.7NI-wide·Technical Booklet R Access to and Use of Buildings
Where a corridor or passageway has a gradient – (a) that is steeper than 1 in 60 but less steep than 1 in 20, it should have – (i) horizontal rest areas not less than 1500 mm long; and (ii) a rise of
accessaccessibilityrampsProtection under stairs and ramps
4.9NI-wide·Technical Booklet R Access to and Use of Buildings
Any area below the soffit of a stair or a ramp and its landings that is less than 2100 mm above a circulation route, should be protected by a distinguishable barrier rail which incorporates either a v
stairsrampsprotection-from-fallingAccess to alternative entrances on sloping plots
7.3NI-wide·Technical Booklet R Access to and Use of Buildings
Where the plot gradient to the principal entrance of a dwelling or the common entrance to a block of dwellings is greater than – (a) 1 in 15; or (b) 1 in 12 where the travel distance is less than 5 m,
dwellingflatsaccessaccessibilityrampsDriveway as approach - level or ramped requirements
7.4NI-wide·Technical Booklet R Access to and Use of Buildings
Where a driveway provides the whole or part of the approach, it should comply with the requrements for a level approach or a ramped approach. The approach should be clear of any parking space. Where t
dwellingflatsaccessaccessibilityrampsLevel approach specifications
7.7NI-wide·Technical Booklet R Access to and Use of Buildings
A level approach should have – (a) a surface which is firm and even; (b) an unobstructed width not less than 900 mm; and (c) a slope not steeper than 1 in 20. Where a level approach has a crossfall i
dwellingaccessaccessibilityramps