Egnyte is a company that provides software for enterprise file synchronization and sharing. The technology can store files in a companyâs existing data center, as well as cloud computing storage.
Best Answer: 600mm is the minimum width only if the stair allows access to one room (normally an attic stair) If it is more than one room then the minimum width is 840mm, but 860 is more standard. These sizes ignore intrusions like stringers, skirting and newels. So from wall to handrail.
R311.5.8.l Spiral Stairs. Spiral stairways are permitted. provided the minimum. width shall be 26 inches (660 mm) with each tread. having a 71,4 inch (190 mm) minimum tread depth at. 12 inches from the narrower edge. All treads shall be. identical, and the rise shall be no more than 9th inches. (241 mm).