The Department of Energy’s contractor National Security Technologies issued a sources sought notice for a subcontract to drill boreholes at the Nevada National Security Site late last week. DOE has recently begun to look at borehole disposal as an alternative disposal path for some DOE-managed high-level waste. This contract would call for the constriction of three angle boreholes on the Pahute Mesa at NNSS. The specifications for the boreholes, according to the notice, include “drilling at an angle of approximately 25 degrees from vertical to a measured depth of approximately 500 feet from ground elevation eight inches in diameter using air foam circulation.” The subcontractor would need to provide to a basic drilling package including angle rig, drilling stem, pumps and compressors, generators, fuel tanks, water storage, and drilling crew. Responses are due by Feb. 20.
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