Sentence examples for bedrock about from inspiring English sources

First, trenches would be dug down to bedrock; about 70 feet below street level, in the case of the trade center.

For now, the chocolate-brown soil and the outcropping of bedrock about 25 feet away offer far more intriguing questions than answers.

SKB plans an elaborate, expensive system for storing the spent fuel, encasing it in solid steel blocks that will then be covered by solid copper and deposited in caves carved into bedrock about 1,500 feet under the Baltic Sea.

Although the buildings themselves did not extend below ground level into the area where the construction is now taking place, some victims' relatives say that the symbolic tower footprints extend down to bedrock, about 70 feet below ground level.

Before carrying out the basement construction using a top-down method, the first major work below ground was to construct the central core of the main building tower, the foundation of which rested on bedrock about -28m from ground level.

Conceptual design of a permanent repository was determined by 1983, calling for placement of copper-clad iron canisters in granite bedrock about 500 metres underground, below the water table in what is known as the KBS-3 method.

The width is about 5 m, the length about 30 m, and the depth to the sliding surface, which is the outcropped bedrock, is about 0.7 m.

Generally, from the 25 soundings conducted within amphibolite terrains, the bedrocks of about 44% locations are fractured, 12% are regarded as weak or partially weathered while 44% bedrocks are unaltered (Fig. 12).

Only about a third of the uproots revealed root penetration of bedrock, compared to about 90% in other areas of the Ouachita Mountains.

"We built our first building directly across from their front door," he said, "and had to blast our way through two stories of solid bedrock," which took about 18 months.

The Antarctic ice sheet covering the continent's bedrock represents about 60 per cent of the world's fresh water.