News Archive

TBM welcomed to London cable site

The J. Murphy & Sons Limited site team at Brentfield Park in North West London has taken delivery of its Lovat TBM that will be used to bore a 1.3km long, 2.59m i.d. cable tunnel for client, UK Power Netoworks. Read more

Final breakthrough achieved on Rampur Hydro Electric Project

Drill and blast excavation was completed on the Rampur Hydro Electric Project on Tuesday, July 24, when engineers of SJVN Ltd (formerly Sutlej Jal Vidyut Nigam Limited) made the final breakthrough on a 15km long, 10.5m diameter, underground Head Race Tunnel (HRT) for the 412MW project, which is located on River Satluj, a major tributary of Indus basin, in Shimla and Kullu district of Himachal Pradesh, North India. Read more

Crossrail East launch shafts near completion

Crossrail workers have now reached the temporary bottom of the two huge launch shafts at Limmo Peninsular in London where the eastern drive TBMs will be lowered into ahead of tunnelling commencing this winter. The larger of the two shafts is 30m in diameter and will be 44m deep when completed. Read more

Tenders invited for Central-Wan Chai Bypass Tunnel

On Friday, July 20, Hong Kong’s Highways Department invited tenders for the construction contract for the Central-Wan Chai Bypass Tunnel (Slip Road 8 Section) (Contract No. HY/2010/08). Read more

Investigation into University of Macau’s new campus tunnel collapse

The Transportation Inportalfrastructure Office (GIT) of Macau has commissioned a report into the collapse of the Hengqin tunnel, connecting the University of Macau’s new campus on Hengqin Island to Taipa. The incident took place late last Thursday (July 19), at the Hengqin exit of the cross-harbor tunnel. No workers were injured in the collapse. Read more

HNTB scoops Istanbul Strait Crossing tunnel in Turkey

HNTB Corporation has been selected as independent design verifier on the Istanbul Strait Crossing tunnel project in Turkey, connecting the European and the Asian sides of Istanbul by a road tunnel in a high seismic zone and under extreme water pressure. The project will be delivered by public-private partnership procurement. Read more

Two dead, 8 injured in Singapore MRT construction site accident

Two workers died today, July 18th, after temporary scaffolding used for the construction of a roof slab at the new Downtown Line (DTL) Bugis Station subway link, in Singapore, gave way. Eight other workers, who were working on top of the structure, were injured and were sent to nearby Raffles Hospital before rescuers arrived. Read more

EA approved for $2.1-billion Ottawa Light Rail Transit Construction

The City of Ottawa announced Monday, July 16th, that its proposed light rail transit construction project, estimated at $2.1 billion, has received federal environmental assessment approval. Read more

Three shortlisted for new John Hart Generating Station Replacement Project

BC Hydro has shortlisted three consortiums to design and construct the proposed CA$1.2 billion John Hart Generating Station Replacement Project, on Vancouver Island, Canada. The project will include the replacement of three 1.8km (5,900ft) long pipelines with a 2km (6,500ft) long, 8m (26ft) diameter tunnel, as well as the construction of a replacement generating station beside the existing six-unit 126MW John Hart station, a new water intake at the John Hart Spillway Dam and a new water bypass facility. Read more

TBM progress at Mumbai

A Robbins 6.25m diameter Main Beam TBM began boring India’s 8.3km Mumbai Water Tunnel this June, and had bored over 320m as of July 4, 2012, reports the TBM manufacturer. Unity-IVRCL JV is the contractor for the basalt rock tunnel, which will alleviate Mumbai’s current leakage problems from its aging lines and provide inhabitants with a consistent flow of clean drinking water. Read more

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