Protection from falling, collision and impact: Approved Document K

O N L I N E V E R S I O N K1 Stairs and ladders For buildings other than dwellings and common access areas in buildings that contain flats 1.18 Comply with all of the following. a. Do not have single steps. b. For flights between landings the maximum number of risers should be: (i) utility stairs – 16 risers (ii) general access stairs – 12 risers, but exceptionally no more than 16 in small premises where the plan area is restricted (iii) stairs for access for maintenance, see paragraph 1.42. Landings for stairs For all buildings 1.19 For means of escape requirements, refer also to Approved Document B: Volume 1 – Dwellinghouses, and Volume 2 – Buildings other than dwellinghouses. 1.20 At the top and bottom of every flight, provide landings the width and length at least as great as the smallest width of the flight (see Diagram 1.6). 1.21 A landing: a. may include part of the floor of the building b. should be kept clear of permanent obstructions c. may have doors to cupboards and ducts that open over a landing at the top of a flight, as shown in Diagram 1.7, but only when they are kept shut or locked shut when under normal use. See para 1.21 Cupboard 400mm minimum Up Diagram 1.7 Cupboard onto landing 1.22 Landings should be level, with the following exception. A landing at the top or bottom of a flight that is formed by the ground may have a gradient, provided that: a. the maximum gradient along the direction of travel is 1:60 b. the surface is paved ground or otherwise made permanently firm. 10 Approved Document K, 2013 edition Building Regulations 2010 OO NN LL II NN EE VV EE RR SS II OO NN