Concrete pipes and ancillary concrete products - Specification for unreinforced and reinforced concrete manholes and soakaways (complementary to BS EN 1917:2002)1 Scope BS EN 1917 specifies requirements and describes test methods for precast concrete manholes of circular and rectangular (with or without chamfered or rounded corners) or elliptical cross section, unreinforced, steel fibre and reinforced, with nominal sizes or nominal lengths not exceeding DN 1250 or LN 1250, respectively. The intended use of BS EN 1917 is to permit access to, and to allow aeration of, drain or sewer systems for the conveyance

BS EN 13530-1 also applies to large transportable vacuum insulated cryogenic vessels for fluids as specified in 3

These include unalloyed and alloy steel

BS EN 61069-7 on assessment of system safety is useful for:

It is not applicable to optical fibres with end illumination and side wall emission

helping you to:

The nano calcium carbonate is widely applied in plastic

The installation profile is specified in Annex A of this document

— evaluating the stability of the dispersion against reagglomeration

BS 718:1991 supersedes BS 718:1979 which is withdrawn

and chromium in polymers

Authorities and law enforcement specialists

26NiCrMo14-6) have been added