Calcasieu Pass Raises Roof for First LNG Storage Tank

(P&GJ) — Venture Global LNG said it raised the first LNG storage tank roof at its Calcasieu Pass export facility in Cameron Parish, Louisiana.  The milestone was completed on schedule and comes eight months after the project’s final investment decision, it said.

Calcasieu Pass LNG facility rendering (image: Venture Global)

The 1.8 million pound tank dome and assembly were air raised into place on Friday.  Air raising allows for better and safer access as well as a faster construction schedule, as the roof can be erected concurrently with the shell. 

CB&I Storage Tank Solutions, a division of McDermott International, Inc., is constructing the project’s dual 200,000 m3 tanks and has air raised more than 1000 roofs since 1962.  The tank dome was raised in less than 2 hours using 0.25 psi of pressure.

Venture Global also said that Weeks Marine and the project’s EPC contractor, Kiewit, completed the export facility’s marine perimeter wall, including access gates, and its levee  three months ahead of schedule. 

The focus turns to the arrival and installation of the project’s modular equipment.  The first piperack modules arrived at the site and were successfully installed in April, and equipment for the project’s 720 MW combined cycle gas turbine power plant is scheduled for May delivery.

The project has now exceeded more than 4.7 million work hours without a recordable incident, Venture Global said.

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