Pipe Relining Equipment Chicago. A Chicago contractor called us regarding the pipe relining equipment that was necessary to repair the main sewer lines. The Chicago contractor had watched our videos on YouTube and was wondering where the boiler truck was? We explained that with the Perma-Main system there is no need for a boiler truck. The pipe relining equipment needed for the Perma-Main system is the continuous lining “Top Gun” and the Viper steam unit. With minimal pipe relining equipment needed, it makes relining all of Chicago’s underground pipes very simple. If you live in Chicago and are interested in seeing the Perma-Main pipe relining equipment, please call us any time.