PROJECT DESCRIPTION: On April 26, 2014 an arson fire engulfed a CSX Transportation railroad tunnel in Robinson Creek, KY cutting off service to two active coal mines in the area. The fire, which caused walls and ceiling in the 742-foot timber-lined tunnel to collapse, burned for several days before it was suffocated by plugging each portal with fill material. Once the fire was extinguished, CSX brought in LRL Construction to assess the damage and return railroad service as quickly as possible. The tunnel restorations required the spray- application of QUIKRETE ® Shotcrete MS – Fiber Reinforced to the walls and ceilings in multiple phases using Shotcrete pumps and moterized nozzles on robotic arms. The first shotcrete application provided initial structural support so debris

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