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 See para 1.13 Where there is not enough space to achieve 2m headroom reduced headroom as shown will be satisfactory 1.9m 1.8m Half width of stair Diagram 1.4 Reduced headroom for loft conversions For loft conversions in dwellings 1.13 Where there is not enough space to achieve the height shown in Diagram 1.3, provide the reduced headroom shown in Diagram 1.4. Width of flights of stairs For buildings other than dwellings 1.14 For stairs that form part of means of escape, refer also to Approved Document B: Fire safety, Volume 2 – Buildings other than dwellinghouses. 1.15 For flights of stairs, provide all of the following. a. A minimum stair width between enclosing walls, strings or upstands of 1200mm. b. A minimum width between handrails of 1000mm. c. If the flight is more than 2m wide, divide it into flights a minimum of 1000mm wide, as shown in Diagram 1.5 d. For access for maintenance, see paragraph 1.42. For dwellings 1.16 In exceptional circumstances where severely sloping plots are involved, a stepped change of level within the entrance storey may be unavoidable. In those instances ensure that stairs within the entrance storey of a dwelling have flights with a minimum stair width of 900mm. 8 Approved Documentttt KKKK,,,, 2222000011113333 eeeeddddiiiittttiiiioooonnnn Building Regulations 2010 OOO NNN LLL III NNN EEE VVV EEE RRR SSS III OOO NNN