The city of Wichita Falls, Texas, has issued a Request for Proposals (RFP) for the purchase of 475 LED streetlights to replace existing high pressure sodium (HPS) fixtures throughout the city. Wichita Falls has already successfully installed 2,000 LED streetlights as part of its goal to increase energy efficiency and reduce costs for the city. As a result of the previous installation of energy efficient streetlight fixtures, the city has realized energy and maintenance savings of approximately $20,000 per month. LED streetlights used in the first installation included those manufactured by GreenStar Products, and Lighting Science Group.
According to the bid document, the city is proposing to replace 450 existing 400 watt HPS streetlights, and 25 existing 150 watt HPS streetlights. The existing fixtures are located throughout the city and include underpass and roadway lighting. For the upcoming proposed installation, the city is limiting bids to approved manufacturers. These include, BetaLED/Cree, Cooper Lighting, Leotek Electronics, Lighting Science Group, and Excellence Opto. Proposals may include any fixture within these manufacturers that meet described lighting conditions and specified photometric performance.
Photometric requirements include a correlated color temperature of 4,500 K ±500 K, and a color rendering index of ≥70. Bidders must also provide copies of LM-79 and LM-80 reports for each submitted fixture. The luminaire must also be covered by a five year warranty, and the electrical parts, include light source and drivers, must be covered by a minimum eight year warranty.
Complete proposals must be submitted to the city of Wichita Falls by Friday, March 8, 2013. The complete bid document can be found here.