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Managing the evolving relationship between the CMAR and project owner The construction-manager-at-risk (CMAR) on the Ina Road Wastewater Reclamation Facility Project in Tucson, Arizona, recently met with the project’s owner, Pima County, to discuss their ongoing progress and collaboration. They agreed there are important steps every CMAR and owner can take to manage the project’s progress, reduce or eliminate project costs, and build the foundation for an effective business relationship
Toronto goes underground Earlier this year the Eglinton-Scarborough Crosstown LRT project in Toronto expanded, adding 8km of tunnelling. Nicole Robinson discusses the design changes and progress on the city’s major east-to-west link with Jack Collins, vice president of rapid transit implementation for Metrolinx
Down and grout The compensation grouting program under York University’s Seymour Schulich School of Business, for part of the Toronto-York Spadina Subway Extension, is designed to be both a proactive and reactive system. Jeb Pittsinger, Jon Davies and Gary Kramer, of Hatch Mott MacDonald, and Edward Poon, of Toronto Transit Commission report
When T&TI selected ‘hand mining and the alternatives’ as a subject worthy of examining, we were aware of the issue of HAVS (Hand-Air Vibration Syndrome) associated with powered hand mining...
Experiences with sprayed waterproofing The following article is based on a presentaton made to the ‘Underground Construction‘ conference in June in London and is based on the experiences of three tunnel engineers on projects utilising sprayed waterproof membranes. The authors are David Naylor, Petr Salak and Simon Stephenson, at the time all of Mott MacDonald consulting engineers
Use of underground space in Korea Hee Soon Shin, of Korea Institute of Geoscience & Mineral Resources in Daejeon, provides this paper