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sklademVydáno: 2011-05-31
BS 5834-4:2011
Surface boxes, guards and underground chambers for the purposes of utilities Specification for utility chambers
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| Označení normy: | BS 5834-4:2011 |
| Počet stran: | 32 |
| Vydáno: | 2011-05-31 |
| ISBN: | 978 0 580 56123 8 |
| Status: | Standard |
Popis
BS 5834-4:2011
This standard BS 5834-4:2011 Surface boxes, guards and underground chambers for the purposes of utilities is classified in these ICS categories:
- 91.140.60 Water supply systems
- 91.140.40 Gas supply systems
This part of BS 5834 specifies requirements and test methods for precast reinforced concrete and recycled polymer units for utility chambers of rectangular shape (including utility chambers of square shape), for use with surface boxes conforming to BS 5834-2 or covers and frames with a maximum designated clear opening of 900 mm × 600 mm and conforming to BS EN 124.
NOTE In BS 5834-4:1989 “utility chambers” were termed “preformed chambers”.