Ishigami River Upper Reservoir Underground Regulating Pond Construction Contract Award
Ishigami River Upper Reservoir Underground Regulating Pond Construction Contract Award

10 Nov 2025

Japan - 2 October 2025,      The official contract opening for the Ishigami River Upper Reservoir Underground Regulating Pond Construction project, which is a component of Tokyo's larger flood control and infrastructure fortification plan, took place on October 2, 2018, at 9:15 a.m., marking a significant milestone. The first entrance hall on the south side of the first dorm building in Tokyo's capital district, located on the 35th level, hosted the tender opening. This project is part of the shield fortifications business, which is a specialised field that involves building subterranean reservoirs and large-diameter tunnels.

Read More