| 摘要 |
<p>The system is for installing water, drainage, heating, electricity supply or other servicing ducts in multi-storey buildings. The ducts are housed in a vertically extending channel, and there are joint pipes on each level for various heating and sanitary appliances, connected to the service ducts. This channel (3) is sited in or on an external wall (1), and has an outward facing walling (11) with a detachable piece at the level of the connection points between joint pipes (7, 9) and service ducts. This walling can run flush to the adjacent facade. The channel can be fitted on a load bearing internal wall.</p> |
