| 摘要 |
PROBLEM TO BE SOLVED: To provide a temporary manhole cover with a ventilator that can reliably perform ventilation of an existing sewer.SOLUTION: A temporary manhole cover 1 with a ventilator, includes a discoid cover part 2, a ventilation part 3 capable of ventilation to the outside of a manhole 6, and an air blower 4 arranged inside the manhole 6. The discoid cover part 2 has a top face 2a arranged outside the manhole 6 and a bottom face 2b arranged inside the manhole 6, and is provided to seal an opening 7 of the manhole 6. The ventilation part 3 is provided to penetrate the top face 2a and the bottom face 2b in a central part of the cover part 2. The air blower 4 is fixed at a position below the ventilation part 3 on the bottom face 2b of the cover part 2. |
