A better way to tap gas mains
Journal Article
·
· Pipe Line Ind.; (United States)
OSTI ID:6835402
YEARS OF OBSERVING main tapping operations relative to bag off holes or transfer of services, has fostered an intense desire to find a more simplistic method of tapping holes by Brooklyn Union Gas Co. The effort and cost required to excavate around and below a gas main, and install sheeting, particularly on large diameter mains at excessive depths, seemed to be wasteful. During the winter of 1980-81, Brooklyn Union was installing a new 30 mm (12-in.) steel gas main, crossing an intersection, with various utility interference including a 1,219-mm (48-in.) cast iron gas main at 1.1 m (3.5 ft) depth. This line was retired from service in 1974. Rather than excavate and install the new 12-in. main at 2.6 m (8.5 ft) cover, it was decided to remove a section of the 48-in. pipe and maintain the normal cover on the new main.
- Research Organization:
- Brooklyn Union Gas Company, Brooklyn, NY
- OSTI ID:
- 6835402
- Journal Information:
- Pipe Line Ind.; (United States), Journal Name: Pipe Line Ind.; (United States) Vol. 59:3; ISSN PLINA
- Country of Publication:
- United States
- Language:
- English
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