Description
The Texas Department of Transportation is seeking bids for the provision of traffic signal controllers for the Seguin Regional Distribution Center. The solicitation is for an emergency purchase made under Texas Government Code, §2155.137 and 34 TAC 20.82. The contract will be for a shelf-mounted, 16-phase, full-actuated, solid-state controller unit with internal time-based coordination, railroad and fire preemption, diamond-intersection operation, and closed-loop secondary operation in a traffic signal controller assembly and cabinet assembly.
• The controller unit must meet the requirements of NEMA Standards Publication TS 2-2003.
• The controller unit must be completely solid state and digitally timed, with all timing referenced to the 60-Hz power line.
• The dimensions of the controller unit must not exceed 12.2 in. H, 17.6 in. W, and 12.2 in. D.
• The controller unit must have a unique serial number permanently and neatly displayed on the face of the unit.
• The controller unit must have a high-quality keyboard with a rated lifetime of 1 × 106 operations or keystrokes on the front panel.
• The controller unit must have a direct-reading, alphanumeric liquid crystal display with back lighting on the front panel.
The contract will require the successful bidder to provide documentation, including diagrams, parts lists, and manufacturer's specifications, and to comply with various requirements, including those related to packaging, shipping, and testing.