NSC was subcontracted to demolish and rebuild the existing precipitator system and erect the Selective Catalytic Reduction (SCR) system as part of a major environmental retrofit at Gulf Power’s Plant Crist in Pensacola, Florida
Precipitator Rebuild
Demolition of the existing precipitator system
Rebuild of a new Alstom-designed precipitator, including:
Structural steel framing
Internal collection components
Booster fans and mechanical internals
Boiler Structural Retrofit
Structural retrofit of the boiler to accommodate the new SCR system for Unit 6
Modifications executed within an operating plant environment
SCR System Installation
Complete installation of SCR components on Unit 6, including:
SCR ductwork from boiler outlet duct guillotine damper through the SCR structure
Installation of catalyst modules, mechanical components, and hoppers
Replacement of air heaters associated with the SCR system
