1442668 Refuse collecting systems for estate layouts SOC INDUSTRIELLE DE TRANSPORTS AUTOMOBILES 25 Oct 1973 49810/ 73 Heading E1A A residential estate with multi-storey buildings A, B, C, each provided with refuse chutes 1 terminating in collecting receptacles 2 is provided with a common refuse collecting service comprising at least one collecting vehicle arranged for circulation in a casing 3 communicating with a discharge station 34. The casing 3 is made up from different sections 3a-3e which may be above or below ground level or underslung from the ceiling of the basement of the building, see also Figs. 2 and 3 (not shown). For innumerable details concerning the vehicle, its tipping and electromagnetic control circuit Figs. 4-8b, (not shown) should be referred to. Refuse too large for the chutes may be fed into the system through a trap door 68.