1. Specification for manhole step irons. (1st March 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (13 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for access fittings for chimneys and other high structures in concrete or brick work. (31st January 1986) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Manhole steps. Specification for galvanized ferrous or stainless steel manhole steps Part 1, (30th June 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Cranes. Access. (23rd December 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗