IntroductionThe tremendous and unprecedented proliferation of tunnel projects in North America, coupled with increasing interest, utilization, and experience with alternative delivery methods, provide the occasion to probe: Are there any specific procurement and contractual respects in which the traditional Design-Bid-Build (“DBB”) method can be improved for the delivery of tunnel projects? The intent is not... […]

Since September 2024, a giant Herrenknecht tunnel boring machine (TBM) has been excavating a metro tunnel under the Panama Canal. On February 2, 2026, the construction consortium HPH reached an important milestone with the giant TBM – diameter 13.5 meters – after passing under the Panama Canal: the breakthrough to the future Balboa metro station.... […]

In a move designed to bring smarter, more durable concrete to structures across North America, Kryton International is proud to announce that its longtime sales executive, John Anderson, has been promoted to Vice President of Sales. With more than 35 years of success in the concrete industry, Anderson has built a reputation as a trusted... […]

The tunnel lining materials market represents a vital segment of the global infrastructure landscape, supporting the development of transportation corridors, water management systems, mining operations, and energy infrastructure. As urban expansion, population growth, and environmental constraints continue to drive underground construction, the demand for reliable, durable, and technologically advanced tunnel lining solutions is steadily increasing.... […]

The City of Calgary is implementing a revised plan that urgently expedites construction of a replacement for the Bearspaw South Feeder Main (BSFM) due to the critical condition of the current pipe and its importance in Calgary’s drinking water system. The City is fast-tracking the project in the wake of a significant water main break... […]

What is calibration? To understand calibration, we first must understand signal strength.

Every phase of CIPP relies on validation to ensure the pipe performs.

Derek Potvin, P.Eng., is the 2026 inductee into the NASTT Hall of Fame.

Calgary is in the process of upgrading its Nose Creek Sanitary Sewer System.

OBIC Products announces that Midwest Infrastructure Coatings (MIC) is the recipient of the 2025 Project of the Year.