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INSTALLATION ON TOP OF DECK.

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The cassettes may also be installed like any other module on top of the cellar deck. 

On existing platforms, a special rig is then needed in order to move the cassette horizontally from the load transfer position into its final position. 

Artist impression of how to lift a module to the weather deck area using a skid beam extension. On this projects, the extended drilling rig skid beams could act as lift- and skid rigs for the weather deck module. The lift rig is designed so that the module may be lifted between the skid beams and moved horizontally to its final position.

Artist impression showing the preparations for lifting a module to be fit on the outside of the wellhead module. The next module is lifted up and attached to the wall of the wellhead module with hooks.

Artist impression showing a module fitted on the outside of the wellhead module. Both the deck module and the hanging module is now in position, and the de- mobilization of the lifting gear may start.

 

Advantages:

Better utilization of the available area
No bumpers and guides needed
The lift rig may be used as a lay-down area
The cassette may easily be removed later
Reduced cost of installation

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TR Consulting, Joh. Falkb.gt. 10, 5538 Haugesund, Norway. Tel: +47 52729124, Fax: +47 52724196, C.E.O. Cell phone.  +47 90 616969  e-mail: trcons@online.no or trcons@start.no