Latest News, Stories and Updates

Building Lake Mead’s Third Straw
Continuous 12-day Pour Challenges Barge-mounted Putzmeister Concrete Placing System A continuous 12-day concrete pour tested…
Colas Joins Parsons Brinckerhoff
Ronald Colas has been named a Vice President in the Miami office of Parsons Brinckerhoff,…
Compressed Air Aids Minnesota Tunnel Project
This article discusses a particularly complex tunneling project in St. Paul, Minn. The South St.…
Modern, High-Performance Wet Shotcrete – A Holistic Approach
By Mike Rispin Our European tunneling colleagues prefer to call wet shotcrete “sprayed concrete” and…

Full Speed Ahead
TTC’s Spadina Line Extension Surges Forward Toronto, Ontario, is the capital of Canada’s most populous…
TBM Arrives in Indy for Deep Rock Tunnel Connector
A 20-ft diameter tunnel cutterhead that will be used to drill through bedrock was the…
Milestone for Mine Radio Systems’ Farjow
Mine Radio Systems’ (MRS) Vice President of Engineering Wisam Farjow recently completed his Ph.D. in…
Niagara Tunnel Reaches Another Milestone
Another milestone was achieved Nov. 15 on the 10-km long Niagara Tunnel for Ontario Power…
Powering the Tunneling Market
The construction of a tunnel is an extremely complex and demanding engineering task. It not…
Crossrail’s First TBM Constructs 1,000th Ring
The first of eight Crossrail tunneling machines, Phyllis, is currently tunneling under Hyde Park after…
Robbins Celebrates 60 Years of World-Class Tunneling
In 1952, James S. Robbins was working in the mining industry when he came up…
Seattle Underground
Seattle Underground From world-record-breaking tunnel bores to world-class transit and treatment facilities, the Seattle area…