“A subcontractor submits a variation claim citing unforeseen site conditions. You suspect this is a disguised cost recovery for their poor planning. Describe your process to evaluate the validity of the claim and mitigate potential disputes while maintaining professional relations.” “You are tasked with developing a subcontracting strategy for an Oil & Gas project in a politically unstable or logistically challenging region. What key commercial, legal, and operational factors must you address in your subcontracts to ensure continuity and minimize exposure?”