Related Articles

A photo of a rusted out pipe taken during a TCEQ inspection of a dam. This picture is now used in dam safety workshops presented by TCEQ.
Geologic Hazards

How Hundreds of “Significant Hazard” Dams Escape State Inspection in Texas

November 5, 2013 rockman Geologic Hazards Comments Off on How Hundreds of “Significant Hazard” Dams Escape State Inspection in Texas

Nearly 3,000 dams in Texas will be exempt from inspection, including 216 that are rated as high hazard. This is thanks to a Texas State law passed earlier this year meant to lessen the burden […]

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Project Related

Geothermal Rig Drills Into Subway Tunnel in Stockholm, Sweden

December 15, 2009 rockman Project Related 2

And a train was actually hit! Fortunately it was stationary on the tracks, but it crushed the side panel of the driver’s carriage. Neither the driver nor any passengers were injured in the incident. The […]

Malcolm Drilling prepares to drill secant pile drilled shafts for SR 99 TBM launch pit.
Project Related

Launch Pit Retaining Walls Completed for SR 99 Tunnel in Seattle

August 6, 2012 rockman Project Related Comments Off on Launch Pit Retaining Walls Completed for SR 99 Tunnel in Seattle

Drilled shafts have been installed by Malcolm Drilling to form the secant pile retaining walls to support the 400 ft x 80 ft x 80 ft launch pit for the SR 99 tunnel boring machine […]