This is a competitive Request for Proposal (RFP) between a qualified contractor and Denver International Airport (DEN). The on-call construction contract is anticipated to address necessary maintenance and construction of Airside and Landside heavy civil infrastructure at DEN. Work is issued on a Task Order basis, which will detail the specific construction services to be provided at that time. Typically, the work will be performed per the Federal Aviation Administration (FAA) criteria and Colorado Department of Transportation (CDOT) specifications, as applicable. The Scope of Work for this Project includes, but is not limited to: repairs to, or replacement of any infrastructure (excluding buildings) within or pertaining to the airfield and landside areas; and demolition, earthwork and landscape, concrete and asphalt paving, special structures, bridges, pipes, manholes and retaining walls, fencing, drainage, erosion control and utilities, water quality, lighting and signage, traffic signal, pavement marking, spall and joint repair, joint and crack sawing, routing, and sealing, traffic control and haul route flagging/monitoring.