bids are invited for injection house fabrication work 1 - dismantle the damaged pipeline at various locations in the injection and spray house, place the scrap in the scrap yard, and install a new pipeline (10inch). , injection house fabrication work 2 - fabricate and install bends at various locations in the injection house (8inch). , injection house fabrication work 3 - fabricate and install nipples at various locations in the injection house (8inch). , injection house fabrication work 4 - dismantle the damaged branch pipeline in the spray house, place the scrap in the scrap yard, and install a new pipeline (8inch). , injection house fabrication work 5 - dismantle the damaged branch pipeline in the spray house, place the scrap in the scrap yard, and install a new pipeline (6inch). , injection house fabrication work 6 - open the blinds installed in the spray system pipeline, replace damaged nozzles and clusters, and clean them. after cleaning, close all opened blinds and conduct a satisfactory system trial. , injection house fabrication work 7 - cut and remove the old damaged bends and reducers from the injection and spray pump section pipes, place the scrap in the scrap yard, clean the flange by cutting it, fabricate and fit new bends and reducers, carry out welding, and conduct a trial. , injection house fabrication work 8 - dismantle the damaged 8/10 mm thick injection header of 500 mm diameter and place the damaged scrap in the scrap yard. , injection house fabrication work 9 - fabricate a new 500 mm diameter injection header from an 8/10 mm thick plate by rolling, connect it to the entire pipeline, conduct a satisfactory trial, and place the damaged scrap in the scrap yard. , injection house fabrication work 10 - dismantle the damaged mesh of the section pipe at the injection unit and fabricate and fit a new one from the supplied ms plate. , injection house fabrication work 11 - dismantle the resistance box installed at the spray,injection unit, fabricate and install a new one from the supplied ms plate, strengthen and weld it at the proper location, and conduct a leak-proof trial. , injection house fabrication work 12 - shift the spray vertical pump vfm-38a along with the motor and all accessories from the mill house to the spray pond using a crane/hydra, install the pump and motor with all accessories, fabricate the pump bed, fabricate all related inlet/outlet connections as required, install the valve, complete all work, and conduct a satisfactory load trial. , injection house fabrication work 13 - dismantle the spray pond headers of diameters 750 mm, 650 mm, 550 mm, 475 mm, and 385 mm, including the damaged 8/10 mm thick nipples, flanges, bends, and headers, and place the damaged scrap in the scrap yard. , injection house fabrication work 14 - fabricate the spray pond headers of diameters 750 mm, 650 mm, 550 mm, 475 mm, and 385 mm from 8/10 mm thick plates by rolling, connect them to all branch pipelines, conduct a satisfactory trial, and place the damaged scrap in the scrap yard.