notice

March 17, 2023
Central Nippon Expressway Company Limited
Kanazawa Regional Head Office

Central Nippon Expressway Company Limited Kanazawa Regional Head Office, in the specific tunnel renewal project, in order to avoid long-term traffic closures, it is necessary to carry out construction while restricting lanes. Guideline for Construction (Draft)” was compiled and published in January 2020.
In order to realize this construction method, for the purpose of technological development related to "protection work", "lining cutting", and "recycled lining concrete", a "technical development and construction integrated procurement method" that widely expected the technical capabilities of private companies (Type B: technology development and construction separation type)” (see Attachment 1 for the flow of procedures) for “technical development work related to Hokuriku Expwy lining regeneration work”, and from April 2021 to October 2022 The technology was developed and demonstrated during the period.
As a result, we were able to complete the technology development by satisfying the requirements of all five contracted companies regarding the technology development details and demonstration results. This time, we will inform you about the outline and results of this work.

Attachment 1. Procedure flow

1. Overview of technology development work
Attachment 2. Overview of technology development work

2. Results of technology development work
Attachment 3. Requirements and results of technology development work