cielos48 (asker) Feb 6, 2007:

Pre-commissioning activities are all of the final construction non operational tests, checks, adjustments, cold alignments, and functional checks which are carried out by the contractor prior to the turnover and energization of the permanent plant equipment, with 1 exception: the motor bump/rotation checks.
Gracias, Lydia

Lydia De Jorge Feb 5, 2007:

can you provide more context?