BS 1703:2005 specifies requirements for gravity transport systems for refuse in multi-storey buildings, consisting of refuse chutes in the form of one or more vertical pipes, complete with hoppers, receiving refuse from successive floors in a building and discharging it into a refuse storage system.Cross References:BS 65BS 476-4BS 476-22BS 915-2 BS 1449-1BS 2523BS 5906BS 5911-3 BS EN 1917:2002BS EN 573-3:1994BS EN 771-4 BS EN 840-1BS EN 840-2BS EN 840-3BS EN 840-4BS EN 840-5BS EN 840-6BS EN 1011-2 BS EN 1011-4BS EN 1706:1998BS EN 10029BS EN 22063BS EN ISO 1461