Specifications include, but are not limited to: Contractor shall provide the complete-in-place installation and removal (if specified) of metal beam guide rail, including transitional guide rail at fixed objects and/or bridge parapets, box beam, Merritt Parkway guide rail, 3-cable guide rail and impact attenuation systems at various locations within the State of Connecticut for the Client Agency. Contractor must furnish all labor, equipment, tools, materials, fittings, maintenance and protection of traffic, traffic control when specified, including uniformed flaggers, police and Truck or Trailer Mounted Attenuators, all signs, barricades, and devices erected, re-erected, maintained and removed by Contractor to perform the requested work