Overview

IPL converted their 3 largest operating units (5, 6, & 7) at Harding Street Station to operate using natural gas fuel.

The conversion also incorporated a burner management system controls upgrade for all three units and installation of new burners and igniters within the three existing boilers.

The project also included installation of flue gas recirculating fans, flue gas draft modifications, a control system evergreen update and installation of an auxiliary boiler.

Bowen teamed with engineering partner Burns & McDonnell in an integrated joint venture to complete the work.

The project was awarded in February 2015 and all units were converted and burning gas fuel by December 2016. Following the fuel conversion, the plant is generating capacity at the three units totals 650 megawatts (MW).

Project Scope: 
  • Sitework
  • Concrete
  • Demolition
  • Gas Pipeline
  • Mechanical
  • Boilermaker
  • Electrical
  • Equipment Setting
  • Ductwork
  • I&C
Project Specs:
  • 40 auger cast piles
  • 925 CY of concrete
  • 55 tons of rebar
  • 224 anchor bolts
  • 4000 LF of Natural Gas Piping
    • 1”-24”
  • 215 tons of structural steel
  • 3 buildings
  • 720 tons of ductwork
  • Project Location : Indianapolis, IN
  • Project Type : Coal to Gas Conversion
  • Client : IPL
  • Total Contracts : $80,000,000

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