street main

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gas main

The line from the public utility which supplies gas to the consumer service pipes.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
"We've had to use water from street mains and we used eight pumps to channel water from the canal system, and the environment protection unit came to deal with water run-offs."
Say, for example, the street's water pressure dropped significantly, it is possible that any contaminants present in a particular building's system (cleansers, disinfectants, insecticides, etc.) could wash into street mains.