Duke Energy - Marshall

Scope of work: 

Southern Environmental, Inc. provided detailed engineering, material supply, fabrication, construction management, a 1/12 scale physical model study, electrical wiring, foundation, field construction, insulation and cladding, painting and start-up services for the utility's Unit #3 & Unit #4 Electrostatic Precipitator Project Replacement. 

The new precipitator is upstream of a new FGD. The unique construction approach allowed for the addition of a future SCR to be located upstream of the ESP and reduced projected outage time by 50%.

Application:

  • 2 - 700 MW Coal Fired Power Boiler Unit #3 & #4

 

Project Duration: 

  • PO Received: October 2004

  • Mobilize: April 2005

  • Demobilize: May 2007

  • 12 week outage

 

Detailed Engineering in the following disciplines:

  • Civil Engineering

  • Structural Engineering

  • Mechanical Engineering

  • Electrical Engineering

  • 1/12th Scale Physical Model Study

 

Fabrication and Construction Services:

  • Caisson Installation

  • Structural Steel Fabrication and Erection

  • ESP Fabrication and Erection

  • Electrical Construction

  • Ductwork Fabrication and Erection

  • Project Management

  • Site Management

  • Insulation and Lagging

  • Painting

  • Lead Abatement


Performance Guarantee:

SEI provided a broad range of guarantees for twenty-five coals. Outlet Emissions: Ranging between 0.04 #/mmBtu and 0.05 #/mmBtu Opacities: Ranging between 12% Opacity and 10% Opacity Inlet Gas Flow: 2,512,000 ACFM at 320 F