1. Underground fire hydrants. Surface box frames and covers. Specification. (28th July 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Surface boxes, guards and underground chambers for gas and waterworks purposes. Specification for small surface boxes Part 2, (31st January 1983) 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) ↗
3. Surface boxes, guards and underground chambers for gas and waterworks purposes. Specification for large surface boxes Part 3, (31st October 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Tracked Changes. Underground fire hydrants. Surface box frames and covers. Specification. (3rd August 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (100 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗