This tender with title Conceptual renewal design of both of overpass bridges and retaining walls and also preliminary study of both of cut & cover tunnel structures and those of construction methods along the circular route of Tokyo metropolitan expressway (near Ginza and Kyobashi entrance and exit) has been published on Bidding Source portal dated 11 Nov 2021 for the country of Japan. It has been categorized on Construction work for tunnels & Bridge-design services & Bridge renewal construction work & Structures of bridges & Masonry work & Overpass construction work & Construction work for tunnels, shafts and subways & Masonry and bricklaying work. For similar tenders you can see tenders mentioned below of this page.
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