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NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

For the purposes of this Part access to any place is infrequent if it takes place on average on less than one occasion a month during the course of a year.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Section 2 gives guidance on appropriate levels of safety and convenience for all users where a ramp or a ramp and complementary steps are to be provided as an access route or part of an access route t

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

This Section is presented as follows – Ramps and complementary steps on access routes to buildings other than dwellings; and Ramps and steps on access routes to dwellings.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Ramps on access routes should comply with the provisions given in paragraphs 4.14 to 4.25. See Diagram 2.1. However, where an external ramp has a crossfall, that crossfall should have a maximum gradie

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Visually impaired people risk tripping or losing their balance if there is no warning that there is a change in level. Tripping is most hazardous at the head of a flight of steps when a person is desc

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Steps should have a uniform – (a) rise of not less than 150 mm and not more than 170 mm; and (b) going of not less than 280 mm and not more than 425 mm.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A flight of steps should have not less than 2 rises or more than – (a) 12 rises where the going of each step is less than 350 mm; or (b) 18 rises where the going of each step is 350 mm or more.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A flight should have a surface width of not less than that given in paragraph 3.32.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Steps should also comply with the guidance given in paragraphs 3.33 to 3.35.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

To assist a person who is weaker on one side and a visually impaired person, steps should have a suitable continuous handrail on each side complying with the provisions of paragraphs 3.37 to 3.43.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Ramped approach with complementary steps A length of ramp(s) - maximum length of ramp - 10 m where the gradient is 1 in 20 B surface width of ramp(s) - not less than 1500 mm C landing length at top an

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A ramped approach should have – (a) a surface which is firm and even; (b) an unobstructed width not less than 900 mm; (c) a ramp or ramps not exceeding – (i) 10 m in length where the slope of the ramp

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A stepped approach should have – (a) a flight or flights with an unobstructed width of not less than 900 mm; (b) a rise of not more than 1800 mm in each flight of steps; (c) steps with a uniform rise

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A stepped approach should have a suitable handrail which – (a) is at a height measured vertically of – (i) 900 mm above the pitch line of a flight of steps; and (ii) 1000 mm above the surface of a lan

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

This Section gives guidance on appropriate levels of safety and convenience for all users where a stair is to be provided so that people can move between levels or storeys in a building. Provisions ar

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A stair, other than a private stair or a common stair in a block of dwellings, should comply with the provisions of paragraphs 3.4 to 3.11 and 3.29 to 3.43.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

The pitch of a flight is controlled by limiting the rise and the going. Diagram 3.1 shows how to measure the pitch and what is meant by the pitch line. Diagram 1.1 shows how to measure the rise and go

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

This Section gives guidance on appropriate levels of safety and convenience for all users where a ramp is to be provided as a means of circulation within a building.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Landings should be level with an unobstructed length of not less than 1200 mm.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Ramps and associated landings should have a clear headroom of not less than 2000 mm over the length and width of the ramp. Headroom is measured vertically from the slope of the ramp and the level of t

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A ramp should have a suitable continuous handrail on each side if the horizontal length of the ramp is more than 2000 mm. Handrails should be at a height between 900 mm and 1000 mm measured vertically

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Gradients of ramps should be as shallow as practicable as steep gradients may not be safe or convenient for all people. The following provisions apply to a ramp which is not in a dwelling or in a bloc

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

The maximum length of a ramp is dependent upon its gradient. Table 4.1 gives the maximum length of a ramp for a given gradient. There may be exceptional circumstances where a different gradient of ram

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Table 4.1 Maximum length and rise of ramps Gradient of ramp | Maximum length of ramp (m) | Maximum rise of ramp (mm) 1:20 | 10 | 500 1:19 | 9 | 474 1:18 | 8 | 444 1:17 | 7 | 412 1:16 | 6 | 375 1:15 |

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A ramp or ramps and landings should have a surface width of not less than 1500 mm. Where a handrail protrudes into the surface width of a ramp by more than 100 mm the surface width should be increase

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

The surface of a ramp should – (a) be firm; (b) reduce the risk of slipping; and (c) be distinguishable, through suitable visual contrast, from that of its landings. A ramp and its landings should ha

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A ramp should have a raised kerb on any open side (except where it would obstruct normal use). The raised kerb should – (a) be not less than 100 mm high; and (b) be distinguishable, through suitable v

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Wheelchair users need adequate space to stop on landings, to open and pass through doors without having to reverse into circulation routes and to avoid the risk of rolling back down slopes. A landing

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Where the ramped access or circulation route consists of three or more ramps, the intermediate landings between each ramp should have an unobstructed length of not less than 1800 mm and a surface widt

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Where a ramp does not have a clear line of sight between its top and bottom landings, it should be divided into two ramps such that there is a clear line of sight between the intermediate landing and

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Ramps and associated landings should have a clear headroom of not less than 2000 mm over the length and width of the ramp. Headroom is measured vertically from the slope of the ramp and the level of

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A ramp or ramps and landings should have a suitable continuous handrail on each side complying with the provisions of paragraphs 3.39 to 3.43.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A handrail should be at a height measured vertically of – (a) not less than 900 mm and not more than 1000 mm above the surface of a ramp; and (b) not less than 900 mm and not more than 1100 mm above t

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

To give warning of a change in level i.e. the start or finish of a ramp, a handrail should extend horizontally for a distance of not less than 300 mm along the top and bottom landings of a ramp except

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A door or gate – (a) across a main route of travel; or (b) which can be pushed open from either side, should have, towards the leading edge of the door leaf, zones of visibility as shown in Diagram 7.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Any side panel that is more than 450 mm wide and is adjacent to a door or gate, that is required by paragraph 7.1 to have zones of visibility, should also have zones of visibility. See Diagram 7.1.

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

A power operated door or gate designed and constructed for pedestrian use should – (a) incorporate a safety stop or door re-activating device to prevent the door striking a person passing through if t

NI-wide·Technical Booklet H Stairs Ramps Guarding and Protection from Impact

Zones of visibility shown at: 500 mm, 800 mm, 1150 mm, 1500 mm heights, each with not less than 150 mm minimum zones of visibility. Side panels more than 450 mm wide also require minimum zones of visi