." Average estimated cash flow after tax and after capital costs...

." Average estimated cash flow after tax and after capital costs for initial three years of production (net to FAR), updated to revised timetable from Operator and assumes a junior debt facility with margin over Libor of 12.5%. Unlevered NPV equals the estimated NPV of phases 1 & 2 of the project at a 10% nominal discount immediately following first oil after deducting all outstanding debt amounts. "

Crickey would not want to be paying any standby fees until drawn down at those rates.
Assume the junior debt is last the draw down and first to pay down.....so minimum duration.