Case studies
Proven resultsin the field
Cardinal Mine
Coal Age: Seal Construction at the Cardinal Mine
Coal Age covered seal construction at the Cardinal Mine as Warrior Coal moved from the No. 11 to the No. 9 seam, reclaiming assets and sealing old works.“From a regulatory point of view, only...
Case study
Highwall Coal Mine
Micon drilled and injected chemical grout into 21 holes, each 30' deep, above the portal entries.
Case study
Limestone Mine
Micon installed bolts and mesh, then applied gunite to the tunnel's roof and ribs.
Case study
Limestone Mine Highwall
Micon installed and pressure grouted sixteen 40' hollow core anchor bolts and twelve 20' packer holes. Crews installed 10,500 sq ft of geogrid with rock bolts on the highwall above four projected…
Case study
Limestone Rock Tunnel Rehab
Micon drilled and installed bolts and mesh, followed by gunite.
Case study
Allegheny County, PA
Mt. Washington Tunnel
Micon polyurethane grouting restored structural integrity through void filling at the Mt. Washington Tunnel for the Port Authority of Allegheny County, PA.ProblemDuring routine inspection of the…
Case study
Railroad Tunnel
Micon installed arches to support the tunnel structure and backfilled the sinkhole above with lightweight concrete.
Case study
Reducing Public Danger & Liability: An Abandoned Portal Closure Project
A group of teens entered an abandoned mine portal and posted their potentially deadly exploration on social media. Micon was entrusted to mitigate the public danger permanently.The design of this…
Case study
Tunnel Liner
Micon injected PUR grout behind the tunnel liner.
Case study
Uncharted Highwall Auger Holes
Micon injected material into uncharted auger holes in advance of the highwall miner. The crew set up on site beside the highwall miner, pumping material as mining progressed.
Case studyContact
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25 Allegheny Square
Glassport, PA 15045