The FSis put together by human beings, some better than others. Can they all foresee labour shortages and material delays? Read the northern miner editorial from the head of merit consultants a couple issues back on cost increases and poor estimating and budgeting. You get what you pay for and it is dependent on the quality of people you have. Mt Milligan from 1 to 1.5billion, 50% increase. I work in the construction industry as a pm and estimator. Never before have we factored jobs so high with labour shortages etc. It is very competitive out there, anyone who is unhappy on a job site has three other offers waiting to go to. Pm me is you want a copy of the article Skibum2