HOUSTON — The Houston office of Hines has announced that the company’s 717 Texas office building, located in the central business district (CBD) of Houston, has received the silver level of LEED – Existing Buildings: Operations & Maintenance certification from the U.S. Green Building Council. This makes the 33-story, 696,000-square-foot tower the first commercial office building in Houston’s CBD to receive the designation. The building participated in the LEED Core & Shell pilot study in 2002, and it has also received the Energy Star label from the Environmental Protection Agency. Sustainable features include a green and reflective roof on the parking garage, an air purification system, filtered drinking water, low-flow restroom fixtures and a building-wide recycling program. The property is fully occupied by a tenant roster that includes Avalon Advisors, Calpine Corp., Charter Title, Crimson Exploration, Jones Day, Kayne Anderson, Plains Explorations, Rosetta Resources, Smith Barney and TransCanada. The property was developed by Hines, and is currently owned and managed by the company, as well.