| 摘要 |
PROBLEM TO BE SOLVED: To easily assemble and disassemble a knockdown temporary passage while reducing weight of the knockdown temporary passage. SOLUTION: This knockdown temporary passage has pedestals 13 and handrail frames 14 freely removable from these pedestals 13, and the pedestals 13 are composed of left and right horizontal beam materials 11 and 12, and the handrail frames 14 have horizontal bars 15 arranged on the pedestals 13 and handrail columns 16 fixed to both end parts of these horizontal bars. Handrail pipes 31 and 32 are removably installed on the handrail columns 16 of the plural handrail frames 14, and scaffold plates 33 are arranged on the horizontal bars 15 of the handrail frames 14.
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