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2019 Exploratory Drilling AML Project


Location
North Dakota
Publication Date
02/11/2019 12:07 PM EST
Closing Date
02/28/2019 12:00 PM EST
Issuing Organization
State of North Dakota Department of Public Service Commission
Solicitation Number
Description

Specifications include, but are not limited to: drilling, casing, backfilling and surface restoration at abandoned underground coal mine sites between April 15 and July 19, 2019. Approximately 40,000 vertical feet of borings will be conducted near business structures and along roadways as deemed necessary by the Commission’s Project Manager. Boreholes that penetrate void/rubble areas will be used to pressure-inject grout to stabilize subsurface formations to reduce the potential for surface subsidence. Approximately 6,000 feet of casing will be required for installation into intercepted mine voids. Drilling and casing depths are expected to range from 30 to 150 feet.

Source
https://apps.nd.gov/csd/spo/services/bidder/main.htm (opens in a new window)

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