bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - ship; repair of defect l- 113, l-129 & e-156; buyer; l-113 air frequent overload tripping observed on port hp air compressor compressor (make: m/s elgl, model: hp10300). dl/ dr carried out by ss, suspect loading/ unloading in chanism malfunctioning. defect to be rectified and proved for s tis factory operation. l-129 loudhailer ships loud hailer system not working. power supply f the unit available. suspect amplifier univ control circuit of i ud hailer cabinet malfunctioning. defect to be investigated and ystem to be proved for satisfactory operation. e-156 obm 25 hp obm handle and cover perished due to fair ear and tear. same need to be replaced as per sample.