bids are invited for customized amc/cmc for pre-owned products - krystalvision x-ray baggage scanning machine model no kv 100100; krystalvision; comprehensive maintenance contract (cmc); quarterly; no validity of bid quoted is 180 days participating bidder/firm should either olm oem certified authorised vendor or (document attached). whether bidder has minimum 05 years of experience in similar service quoted above. copy of at least one work order and job completion issued by concerned department is to be produced (document attached). in order to minimise the downtime of the system and to ensure proper operation of the system, a throughout checking of the system hardware will be undertaken by the 1-1 firm regularly at the prescribed intervals. preventive maintenance service: the l-1 firm will provide a minimum of four preventive maintenance service visits during the period of one year of camc and to carry out functional checkups and adjustments/tuning rectification as per system requirement. the l-1 firm is to carry the following checks maintenance visits total quantity :