From the Company:
The CPI figure for April 2015 was released on May 22, 2015. As per the Collective Agreement the following calculation will apply.
April 2015 130.5
January 2015 128.2
Difference 2.3
(Divide by .063 per each 1 cent) = $0.36
Effective with the first pay period after the release, COLA will be $0.24 per straight time hour worked as it was previously -$0.12.