Specifications include, but are not limited to: This contract provides for the upgrade, replacement and maintenance of traffic barrier w-beam and attenuators on an as-needed basis. The work on this contract is intended to be an “on call” contract. The work under this contract may be performed at the facilities of Baltimore Harbor Tunnel Thruway (BHT), Fort McHenry Tunnel (FMT), Francis Scott Key Bridge (FSK), John F. Kennedy Memorial Highway (JFK), Point Breeze Office Complex (PB), Thomas J. Hatem Memorial Bridge (TJH), and Intercounty Connector (ICC) and related approach roadways located in Anne Arundel County, Baltimore City, Baltimore County, Cecil County, Harford County, Howard County, Montgomery County, Prince George’s County, and New Castle County (DE). 1. This contract will cover three (3) years of replacement and maintenance of traffic barrier w-beam and attenuator work as indicated in this proposal. The term will begin one day after Notice to Proceed of the Contract. 2. In case of an emergency repair as designated by the Engineer, the Contractor shall be on site with the appropriate materials (i.e. traffic barrier w-beam post, traffic barrier w-beam panel, traffic barrier w-beam offset block, traffic barrier end treatment, etc.) to perform the repair work within four (4) hours of notification. On a normal repair, work is expected to take place within three weeks (21 calendar days) of notification.