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Mines Hosts Ground Improvement Short Course

The third annual Ground Improvement for Underground Construction and Mining was held on the campus of the Colorado School of Mines in Golden, May 18-20. The course drew more than 75 participants (from six different countries) to learn about the latest techniques and...

A Unique Piece of Buried Art in Toronto, Ontario, Canada

In an effort to relieve the growing transit congestion, the Toronto Transit Commission (TTC) was committed to replace its existing fleet of Canadian Light Rail Vehicles (purchased during the 1970s and 1980s) with newest version of Low-floor Articulating Streetcar by...

Parsons Brinckerhoff Designing Rehabilitation of Sumner Tu...

The Massachusetts Department of Transportation has awarded a contract to Parsons Brinckerhoff to design a total rehabilitation plan for the Sumner Tunnel in order to extend its life another 75 years. Opened in 1934, the Sumner Tunnel extends 5,700 ft under Boston...

SR 99 Update: TBM Repairs and Settlement Reports

The Washington State Department of Transportation (WSDOT) on May 18 posted on its website updates about the SR 99 TBM repair and reports related to ground settlement in the area of vicinity of tunneling activities. Related to the TBM, Seattle Tunnel Partners has...

Brokk Introduces Next Generation Remote-Controlled Demolit...

Brokk, the world’s leading manufacturer of remote-controlled demolition machines, presents the next generation Brokk 100. The updated model features improved controls for smoother functionality in slewing and arm movements; an innovative, simplified method to...
recent from Editor's Message The Changing Face of Engineering
The Changing Face of Engineering In this issue we profile AECOM, the engineering giant that just got bigger following the acquisition of URS Corp. last year. In the 2014 ENR Ranking of the Top 500 consulting firms, released before the acquisition, AECOM was ranked No. 1, with URS checking in at No. 3. The combined company now boasts nearly...
recent from People Avanti International Appoints Vice President of Sales
Avanti International announced that Britt N. Babcock, P.E., has been appointed Avanti’s Vice President of Sales to further develop a growing portfolio of customers and partners nationwide. Britt Babcock comes with a wealth of experience within the industry, having spent the last four years as Avanti’s...
recent from Technical Papers 170 Feet Below Columbus
170 Feet Below Columbus By Lucian P. Spiteri, P.E., Paul C. Schmall, Ph.D., P.E., Mark Gentile, P.E., and Michael A. Nuhfer, P.E. The OSIS Augmentation and Relief Sewer (OARS) project is a 23,300-ft long, 20-ft finished diameter combined storm and sanitary overflow relief sewer mined through dolomite and limestone rock...
recent from Product Showcase Product Showcase – April 2014
Product Showcase – April 2014 Brookville Equipment Expands Portfolio Brookville Equipment Corp. expanded its mining product portfolio in 2013, offering up custom haulage and transportation solutions for mining customers in the U.S. market and abroad, including the production of its largest underground mining locomotive since the company...