Pulling Out All the Stops

Sliplining project overcomes torrential challenges to keep a stone quarry and asphalt plant in operation.
Pulling Out All the Stops
Looking upstream at the jacking pit with the red hydraulic power unit, platform sled (Michael Byrne), mini-excavator extracting 5-inch drill steels, and the opening of the 66-inch casing behind it. Underneath it all are 48-inch steel casings to drain water.

A collapsing 72-inch corrugated metal pipe jeopardized operations at a stone quarry in Stafford, Virginia. The 800-foot pipe was the main dewatering system for the pit, and the quarry dewatered every other day. Beginning in a 20-foot-deep swale, the pipe also collected stormwater...

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