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Wednesday, October 29, 2014

Foundation and Installation on Steel Work

The foundation may be fabricated steel.
The official outline drawing shows the space required and the location of the foundation bolts.
Set the turbine in position with the bedplate supported on steel wedges. Adjust the wedges to bring the unit as nearly levels as possible and place it at the correct height and on the correct centerline.
When the alignment has been authenticated, substitute fitted chocks for the temporary wedgas used during alignment, locate them immediately adjcent to the foundation bolts and secured to the steel work by screws to prevent them from being vibrated out of position.
The shims should be blued and scraped to make sure a good bearing is scured over the full surface, and that each chock carries it share of load.

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