| 摘要 |
PURPOSE:To provide a duct installing method capable of improving a workability, improving a safety and shortening an installing work. CONSTITUTION:A truck 3 is placed in advance at an optional position of a building 1. Any number of ducts 5 provided with a guide member 13 capable of running along the truck 3 are prepared in advance. The duct 5 is arranged while the guide member 13 being engaged with the truck 3, and it is raised along the truck by a jack 15. Subsequent ducts are sequentially connected and raised in the same manner. |
