Client: Maryland State Highway Administration
Project Start: October 2013
Project Completion: September 2015
Marine Technologies, Inc. Key Personnel
Project Manager: Terry Clarke
Project Superintendent: Luke Browning
Owner's Representative: Vince Rethemeyer
Contract AT0905180 was for paving the invert, restoration of and making miscellaneous repairs to 47 different structures located in several counties throughout the state of Maryland; including Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil, Frederick, Garrett, Harford, Howard, Montgomery, Prince George's and Washington. The work consisted of the following: paving the invert of all structures in accordance with the contract drawings, which included filling voids at pipe ends and other areas when specified on the plans; installing grout bags in accordance with the contract documents; installing Class l and ll RIPRAP for slope and scour protection; filling undermined and eroded areas of structure with grout; repairing/replacing existing headwalls, wingwalls, footings, manholes, inlets and other drainage structures with grout, trowel grade mortar or cast-in-place concrete; restoring deteriorated areas of pipe with galvanized structural steel plate; repairing and replacing noise wall access doors; encasing existing utility pipe with reinforced grout; providing, installing and maintaining all erosion and sediment control devices; providing, installing and maintaining all maintenance of traffic standards and devices; cleaning and removing all debris from confined spaces; providing, fabricating and installing reinforcing steel cages to match the contour of the existing structures.