BS 5709:2006 pdf download.Gaps, gates and stiles -Specification.
4.6 Stiles (not including horse stiles)4.6.1 General
Stiles shall only be used for new structures when exceptionalcircumstances require them.
All stiles, except horse stiles, shall conform to the followingrequirements in addition to those of 4.1.
a) Stiles shall have a maximum of two steps, of minimum width
200 mm, except on sloping ground when a third step, forming astepping platform, of double step-width on one side of the stileonly, is permitted if it is needed in order to conform with the stepheight requirements specified.
b) The maximum distance between the ground and the top of the
bottom step shall be 300 mm. The distance between the tops of thesteps shall be a maximum of 300 mm.
c) When a mass of 75 kg is placed anywhere on a step or top rail a
maximum deflection of 15 mm shall occur. When a mass of 150 kgis placed anywhere on a step or top rail acting through an area ofno greater than 0.01 m2 (approx.100 mm2 or 80 mm diametercircle) no visible permanent deformation or cracking shall takeplace.
d) One, or two, hand posts shall be provided [see 4.6.2d) and 4.6.3d]
respectively ] unless the construction material is not appropriate[e.g. stone stiles, see e)]. The section of the hand post shall bebetween 70 mm and 100 mm diameter or across faces, a roundcross-section is preferred.
