The parts supplied must be covered by the manufacturer’s warranty for 18 months from the date of shipment or one year from the date of installation/ utilization by the end user. Bidder/ supplier will be responsible for immediate replacement of any /all parts at the bidder’s/ supplier’s own cost if found not compatible to tender specifications, design, dimensions and function/performance (as confirmed by the bidder in technical bid or during bid evaluation) whether during inspection or during use at rig in the warranty period. OGDCL will not pay any charges for such replacements whatsoever.