British Standard Guidelines
We recommend you refer to the following British Standard Guidelines.
BS 4592: Part 0: 2006 + A1: 2012 - Industrial Type Flooring & Stair Treads
BS 5395: Part 1: 2010 - Code of Practive for the Design of Stairs with Straight Flights & Winders
BS 14122: Part 1-3: 2001 + A1: 2010 - Permanent means of access to machinery
BS 1991-1-1: 2002 National Annex - Design on Imposed loads for buildings
BS 8300: 2009 - Design of Buildings and their approaches to meet the needs of disabled people - Code of practice.