Pullman Power Products Corporation designed, supplied and constructed a 550-foot reinforced concrete chimney with an independent acid resistant brick liner for the Orlando Utilities Commission. The chimney operates at a normal flue gas flow rate of 1,420,000 ACFM with a gas temperature of 127° F.

The independent brick liner was built on a 108-foot-tall reinforced concrete pedestal with an elevated floor. The pedestal and floor are constructed within the confines of the chimney windshield. The chimney accepts flue gas from a 10-foot by 48-foot alloy 625 breeching duct located approximately 122 feet above grade.

The interior of the brick lining has an 8 inch thick by 64-foot tall independent target wall at the breeching elevation. The target wall is designed to diminish the impact of the differential temperature and the impingement of wet gases along the liner cross section at the entrance to the liner.

The interior of the chimney is equipped with several completely enclosed and individually pressurized gas sampling and monitoring rooms. The rooms are located at different elevations from the ground floor to approximately 530 feet above the top of the foundation and are designed to minimize any air leakage between the annular space and the enclosure. The enclosures ensure personnel safety during periodic use, inspection or maintenance of the continuous emission monitoring equipment.

The annular space is protected by an FRP cap supported by the brick liner and FRP structural shapes. It is sealed with an alloy wire reinforced Viton fabric at the chimney cap and breeching openings. To maintain a two-inch w.g. differential pressure across the brick liner, the annular space is pressurized with two 100% capacity centrifugal fans.

Pullman was also responsible for the design, supply and construction of the Stanton Energy Center's Unit 1 chimney. The Unit 1 chimney, built in 1987, has the same components and appurtenances at the Unit 2 chimney, except it was designed in accordance with an earlier version of the ACI 307 Code.

During construction of the Unit 2 chimney, Pullman was one of the site contractors who contributed to the construction project being awarded the prestigious Occupational Safety and Health Administration (OSHA) Star Certification for Safety. Star certification is only given to the best of the best. At the time of receipt, Stanton Energy Center, Unit 2, was the only construction project in the country with the Star designation.