Geologic Hazards
Video: Helicopter Based Rock Scaling “Sledgehammer”
[Updated May 26, 2011] A new, cleaner, longer version of the video has surfaced on YouTube recently. You can see it embedded below. It includes some footage of attempts to "water bomb" the rock loose […]
Project Related
Video Tour of NY Subway Mega-Projects
The New York MTA is in the midst of a “golden era” of tunneling for the New York subway. Three separate mega-projects are currently underway totaling some $15 Billion: The Second Avenue Subway, The East Side Access Project (which features the new Grand Central Terminal), and The Number 7 Subway Line Extension Project. The short video below was published by the NY Post and included in an AP Article. It is tantalizingly short, but gives a great perspective on what the underground construction project at Grand Central looks like and a sense of the scale…the amazing huge caverns being constructed. The article says that from underneath Grand Central Terminal alone, the construction crews have removed enough material to cover Central Park almost a foot deep!
[Source: KOMO News (Seattle) via ASCE SmartBrief. Image: AP Photo/Mary Altaffer via KOMOnews.com]
Click through for the video.
Available Resources
Video: New Redi-Rock Design Resource Manual Available
The Redi-Rock Design Resource Manual or DRM has everything you would need to design a Redi-Rock retaining wall, including block sizes, design charts, construction details, and setback options. The manual also includes case studies and […]