What would be Extent of weightings for CONSTRUCTION PROCUREMENT STRATEGY OF 3 PARAMETERS AND HOW IT VARIES? 1.Perfomance/ quality. 2.Price certainty/ cost. 3.Time/ speed.

The 'Performance' is something that is mandatory. With regard to quality, we have to define the quality that we want. Regarding priority between cost and schedule, the priority is to be established in the business objectives of the project as to how the sponsors of the project want to prioritise the importance. The project execution startegy should be based on the directives set my the project  / business sponsors.