Class E600 — covers and gratings capable of withstanding a 600kN test load. Class F900 — covers and gratings capable of withstanding a 900kN test load. Classes are matched to their appropriate group to give the recommended minimum rating for each group. Installation areas and BS 497 comparisons for guidance only.

British Standard 497 - Specification for manhole covers, road gully gratings and frames for drainage purposes. Cast iron and cast steel. An example of a cover that carries the standard on the "ultimate manhole covers" site. From this lid the …

BS497-1-1976.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Scribd is the world's largest social reading and publishing site. Open navigation menu

BS 497:1967 is maintained by . This standard is available from the following sources: BSI Knowledge British Standards Online (BSOL) Other historical versions of this standard document also exist:

Specification For Galvanized Ferrous or Stainless Steel Manhole Steps. [BS 497-1_1976] -- Specification for manhole covers, road gully gratings and frames for drainage purposes. Cast iron and cast steel - Free download as PDF File (.pdf), Text File (.txt) or read online for free.

E600 Double Triangular Manhole Covers are made from durable ductile iron and are most appropriate for main roads and carriageways carrying particularly high volumes of fast moving heavy traffic and other areas carrying extreme wheel loads such as docks and ports. The E600 cover is Highways Agency HA104/09 compliant.

2024年10月10日 · 本英国标准规定了以下方面的要求： (1) 铸铁井盖、检查盖和框架。 (2) 铸铁和铸钢道路排水沟格栅、铸铁排水沟盖和框架。 This British Standard specifies requirements for: (1) Cast iron manhole covers, inspection covers a.

Find the most up-to-date version of BS 497 at GlobalSpec.

组5（e600）实验承载600kn（千牛）设定为大型轮胎载重车道，如码头，机场跑道等。 组6（f900）实验承载900kn（千牛）设定为大型轮胎载重车道。

For covers and gratings used in carriageways of roads (including pedestrian streets), hard shoulders and parking areas, for all types of road vehicles. This kerb weir is made from heavy duty ductile iron and is Highways Agency HA104/09 compliant. Depth increased to 190mm when used with sub frame DSUB.