Pittsburgh Natural Gas Metering Station

Allegheny Contracting was asked to construct a natural gas metering station serving the southern region of Pittsburgh. Key challenges included handling the size and weight of the pipes and equipment during installation. Weather conditions also posed difficulties, especially given the environmental concerns associated with a nearby stream. The scope of work included civil construction to build the pad, as well as the installation of various components such as a hot tap, filter separator, heater, meter run, and regulation equipment.

One of the most complex aspects of the project was crossing the stream at the outlet of the station, which contained a foreign line. A key requirement of the project was for the Allegheny crews to preserve at least 2 feet of separation between the lines, particularly when operating the hoe ram to break rock within the stream in order to achieve the necessary depth for the 16-inch steel pipe. Heavy equipment like a 100-ton crane was utilized to set the filter separator, heater, and SCDA buildings. Throughout the project, Allegheny installed various pipe sizes, including 16-inch, 12-inch, 8-inch, 2-inch, and 1-inch steel pipes, using equipment such as a Caterpillar 325 excavator, Caterpillar 299 skid steer, John Deere 450 dozer, Vermeer trencher, and a roller compactor.