September 2014, Vol. 241, No. 9
Features
Integrys Replacing Aging Chicago Distribution System
With about 2,000 miles of cast iron mains to replace within its Peoples Gas distribution system, Integrys Energy Group would be facing a huge job, even in the friendliest of environments. That the work is taking place in one of the most densely populated cities in the United States – Chicago – and involves replacing about 300,000 services pipes and related meters, increases the degree of difficulty substantially. “Replacing the remainder of the cast iron in our system means we are essentially installing about half of our system as brand new within 20 years,” said Bill Morrow, executive vice president of the Integrys gas division. The $2.5 billion proj
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