| 摘要 |
PROBLEM TO BE SOLVED: To provide a temporary roof structure enabling efficient work by easily opening a roof of a structure when dismantling and repairing a plant facility. SOLUTION: An opening is formed in the roof of the structure, and side wall parts W are formed in rising shape along the open edge of the opening. A plurality of roof units D covering a space surrounded with the side wall parts W are detachably provided, and rain gutters 23 for draining rainwater, and diversion plates 39 are provided between the respective roof units D.
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