Protection from falling, collision and impact: Approved Document K

O N L I N E V E R S I O N A Appendix A Ramp A slope steeper than 1:20, on which a pedestrian or wheelchair user can move from one level to another (see Section 2). Rise The height between consecutive treads (see paragraphs 1.2 and 1.3). For ramps: the vertical distance between each end of the ramp flight. Spiral stair A stair in a helix around a central column (see paragraph 1.28). Stair width The clear width between the walls or balustrades. Tapered tread A step in which the going reduces from one side to the other (see paragraphs 1.25–1.27). Transverse gangway A flat gangway parallel to the rows of seating/ wheelchair spaces. Utility stair A stair used for escape, access for maintenance, or purposes other than as the usual route for moving between levels on a day-to-day basis. Vomitory exits Storey exits provided within the body of a seating layout. 52 Approved Documentttt KKKK,,,, 2222000011113333 eeeeddddiiiittttiiiioooonnnn Building Regulations 2010 OOO NNN LLL III NNN EEE VVV EEE RRR SSS III OOO NNN