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Keeyask Generating Station - Column Extender - 2018

Hatch Ltd.

The construction of the Keeyask Generating Station experienced critical path scheduling delays due to lower than planned productivity in placing powerhouse concrete. Hampered with long winters void of meaningful concrete placement, an innovative powerhouse enclosure system was developed. Challenges included partially constructed foundations, procured structural steel and the requirement for early overhead crane operation. Further, changes to already designed concrete, piping, HVAC and electrical works had to be minimized. The resulting ‘Column Extender’ design led to the ability to cast concrete throughout the winter, regained schedule, as well as savings in excess of $500 million; something to benefit all Manitobans.

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