Description
The Texas Department of Transportation is seeking bids for the provision of traffic signal controllers for the Seguin Regional Distribution Center. The contract will be for a fully actuated, solid-state traffic signal controller assembly, including a 16-phase controller unit with internal time-based coordination, railroad and fire preemption, diamond-intersection operation, and closed-loop secondary operation. The controller unit must meet the requirements of NEMA Standards Publication TS 2-2003, and the cabinet assembly must be designed to operate properly with the logic ground isolated from the AC neutral. The successful bidder will be required to provide documentation, including diagrams, parts lists, and manufacturer's specifications, and to comply with the terms and conditions of the contract, including nondiscrimination provisions and dispute resolution procedures.
Some key points to consider are:
• The contract is for an emergency purchase made under Texas Government Code, §2155.137 and 34 TAC 20.82.
• The contractor must comply with the provisions of Appendix A, which includes nondiscrimination statutes and authorities.
• The contractor must provide a high-quality keyboard with a rated lifetime of 1 × 10^6 operations or keystrokes on the front panel of the controller unit.
• The contractor must provide a direct-reading, alphanumeric liquid crystal display (LCD) with back lighting on the front panel of the controller unit.
• The contractor must provide a unique serial number permanently and neatly displayed on the face of the unit.