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Flooding raises questions over SMART tunnel efficacy
17 September, 2020
Questions are being asked as to why the SMART tunnel did not protect Kuala Lumpur after extremely heavy rainfall caused major flooding in the Malaysian capital recently.
Tunnels facilitate first UK curved jacked-box structure
05 August, 2020
On 1 August 2020, UK-based Morgan Sindall broke through on the second of two tunnels on Network Rail's Werrington Grade Separation project. Advancing around 7m/day, a Lovat RM132 3.5m-diameter EPB machine has excavated two guide tunnels that form part of an ambitious civil engineering project that will see installation of the UK’s first-ever curved jacked-box structure.
Economical stacked platform solution chosen for BART
23 April, 2020
Bay Area Rapid Transit (BART) and the Santa Clara Valley Transportation Authority (VTA) have agreed on a stacked solution to bring rail services to 1.7m Silicon Valley residents. VTA’s 10km BART Silicon Valley Phase 2 extension project comprises four new stations (three underground, one at grade), an 8km TBM-bored tunnel, as well as storage and maintenance facilities. Agreement has centred around stacked tunnels in stations, as opposed to a less economical twin-tunnel approach.
Ontario Line awards technical advisor contract
03 March, 2020
Ontario – Infrastructure Ontario and Metrolinx have selected the HDR-led team to serve as technical advisor for the approximately CAD 10.9bn (USD 8.1bn) Ontario Line in Toronto, it was announced on March 2. This nearly 16km long, free-standing subway line will be a combination of tunnelled and elevated sections, with 15 proposed stations, running from Ontario Place/Exhibition Place through downtown Toronto to the Ontario Science Centre.