Object: Electronic Auction - Hiring 12 General Overhaul Services On Pratt & Whitney Canada Pt6A-25C Engines, Their Components And Accessories, 25 General Overhaul Services On Pratt & Whitney Canada Pt6A-34 Engines, Their Components And Accessories, And 14 General Overhaul Services On Pratt & Whitney Canada Pt6A-114/-114A Engines, Their Components And Accessories, To Be Carried Out On Demand By The Contracting Party, With The Acquisition Of Material Exclusively For The Purpose Of Employment In The Services Themselves