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2004 Mainline Extension


Limited construction is now underway on Gulfstream Natural Gas System's 110-mile mainline extension, lengthening the pipeline's reach from Central Florida to the state's east coast and doubling its service area. The expansion is scheduled to be complete this winter.

It was May 2002 when Gulfstream first placed its 581-mile transmission pipeline into service, providing Florida with its first new natural gas transportation source in more than 40 years.

Since that time, Gulfstream has been working with potential customers to extend the pipeline to the state's East Coast. With the exception of a short distance in Martin County, all of this construction has already been approved by the Federal Energy Regulatory Commission and the Florida Department of Environmental Protection. Approximately 40%, or 43 miles of the 110-mile extension, is colocated within existing corridors.

Construction Schedule

Summer 2003
Survey, land acquisition and permitting

Spring 2004
Choose pipeline contractor

May 2004
Limited HDD construction
(view HDD schedule)

July 2004
Mainline construction

September 2004
Meter station construction

Fall 2004
Cleanup and restoration

Winter 2004-05
In service

While mainline pipeline construction doesn't get underway until July 2004, Gulfstream has begun limited construction utilizing a construction technique known as a horizontal directional drill (HDD). HDDs allow the construction crew to place relatively short sections of the pipeline in certain areas without disturbing the surface. Gulfstream has 10 HDDs planned this summer in Polk, Highlands, Okeechobee and Martin counties. Click here to view the tentative HDD schedule.

The entire 110-mile pipeline extension is scheduled to be placed into service this winter. If you have any questions about construction, call us at (888) GAS-4-FLA. Sheehan Pipeline Construction, the construction contractor, can be reached at (863) 824-3340.

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Updated Sept. 23, 2004