bids are invited for repair and overhauling service - capstan; not applicable; yes; buyer premises-dismantling of complete capstan mechanism systems consist of bollard, capstan pit cover, supporting beams/channels, center bollard shaft, brake drum hydraulic brake unit, bull/spur gear, bearing block assembly along with complete gear box. replacement of bearing as per existing size and sample. replacement of worn out gears and pinion with same size and moc. overhauling of complete system. replacement of old sticky oil and oil indicator, chemical cleaning of inside housing of gear box and filling of new gear oil. overhauling of hydraulic brake unit and brake drum, replacement of brake linear along with rivets. checking of motor alignment and foundation bolts. reassembling of complete gear box, bearing block assembly, spur/bull gear, hydraulic brake unit, bollard shaft, supporting beams/channels and bollard. capstan pit cover to be installed with fully water tight arrangement to protect from water leakage inside the pit. one coat of red oxide and two coats of finish paint of standard color-code i.e. golden yellow / black shall be applied on supporting beams/channels. test and trial as per user satisfaction with and without load