American Underground-Construction Association's Featured Project

Industry News

Each month AUA will feature an outstanding Underground Project currently under construction, featuring its unique aspects in terms of technology, location, function, etc. Contact AUA to nominate projects.

This month's Featured Underground:

Lake Mead Intake No. 2

Las Vegas, Nevada

 

View of Boulder Bay Aqueduct pipe launchway, lay barge and Saddle Island from inside a segment of 14-foot diameter pipe. A total of 43 segments of pipe, each weighing 200 tons, will be utilized.

The 200-ton Manitowoc crane with 40,000-pound clam bucket holds seven cubic yards of material. Dredge Barge is used to dig a 25-foot-deep trench on the floor of Boulder Bay to house the aqueduct as well as excavate a portion of the bay for the power delivery crossing.

Dredge Barge excavating Boulder Bay for the power delivery crossing.

Drilling operations on Saddle Island for the Lake Mead Intake 2 contractor: Lake Meed Constructors sub-contractor on drilling ops: Zeni Corp.

Crews blast their way along new water intake route.

Lake Mead Constructors tunnel workers Candy Garcia, left, and Tom Bleske prepare explosives to clear a section of the water intake route. (photo compliments of Las Vegas Sun - Dec 98)

Lake Mead Constructors crew members complete a shift on new water supply route for the Las Vegas Valley. There are about two dozen people working in the tunnel. Crews are recruited from a variety of specialities ranging from mining to subway construction to off-shore oil drilling.

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