Galveston, Texas-based Callan Marine has launched a new Marine Construction Division to provide turnkey marine, civil and specialty construction services along the U.S. Gulf Coast.The Marine Construction Division has the capability to complete projects requiring 110- to 300-ton crane barges, including major marine bulk freight projects, containership terminals, marina developments and new dock and pier construction, Callan said, adding that the Marine Construction Division specializes in pile driving…