bids are invited for custom bid for services - 52500 , custom bid for services - 103950 repair, maintenance and installation of plant/ systems/equipments repair, maintenance and installation of plant/ systems/equipments port, stbd and centre main engines (makemtu, model- 16v4000m90) has clocked 15948:02, 15951:25 and 15952:17 hrs respectively post grant of one time extension of running hours (500 hrs) and additional second 5% (375 hrs each) aggregating 10% (750 hrs) extension of running hours on all three main engines. three main engines are falling due for w6/15000 hrly routine. condition assessment of three main engines to be carried out through m/s ind-aust maritime pvt.ltd. sri vijaya puram for grant of additional third 5% (375 hrs each) cumulative to 15 % extension of running hours on all three main engines. total quantity :