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BS 497 – Cast manhole covers, road gully gratings and frames for drainage purposes
This British Standard specifies requirements for:
(1) Cast iron manhole covers, inspection covers and frames.
(2) Cast iron and cast steel road gully gratings, and cast iron gully covers and frames.
All current amendments available at time of purchase are included with the purchase of this document.
Product Details
- Published:
- 08/21/1970
- Number of Pages:
- 32
- File Size:
- 1 file , 3.4 MB
- Product Code(s):
- 30305670, 30305670, 30305670
- Note:
- This product is unavailable in Ukraine, Russia, Belarus