Limestone Rock Tunnel Rehab
Drill and install bolts and mesh – gunite
Drill and install bolts and mesh – gunite
Micon installed bolts and mesh, then applied gunite to the tunnel’s roof and ribs.
Installed arches to support the tunnel structure and backfilled sinkhole above with lightweight concrete.
Inject PUR grout behind tunnel liner
Earth Support Services dba Micon
25 Allegheny Square
Glassport, PA 15045
412.664.7788
info@themicongroup.com
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