Due to the problem that the reinforcing bars required for seismic retrofitting of the bridge across the Chuo Expressway in Tokyo were not included, the ordered Central Nippon Expressway announced recurrence prevention measures such as the company attending the inspection in principle. Did.
At the three bridges that straddle the Chuo Expressway in Hino and Chofu, Tokyo, it has become clear that the rebar of the "pier" that supports the bridge girder was insufficient due to the completed seismic retrofitting work.
The Central Nippon Expressway, which was ordered, was reconstructed, and the cause was investigated by an investigation committee such as an outside attorney, and on the 28th, the immediate recurrence prevention measures were announced.
According to this, in principle, the company will be present for the inspection of the construction work, and the contractor who received the order will be obliged to submit the schedule every week to prevent omission of inspection, and if there is a significant defect in site management etc., the contract will be canceled. It is supposed to take strict procedures including.
Of the three bridge reinforcement works, Hino City's "Midori Bridge" is expected to be completed by the end of the 28th, and the remaining two bridges are expected to be completed by the end of next month.
Yoshihisa Kiwamen, General Manager of the Contract Examination Department of the Central Nippon Expressway, said, "Our construction management and inspection system was not sufficient. We would like to take company-wide measures to prevent recurrence promptly." I will.