design, engineering, preparation of ga & detailed drawings, procurement of material, manufacture/fabrication, assembly, shop inspection, painting of works, testing and supply of one set of grease lubrication pipeline, shut-off valves and electrics with pipes and fittings, accessories, supports, pressure switch along with its electrics, cables etc, commissioning spares from isolation valve for cob#6 at centralized grease lubrication station to all user point and end pressure switch (pkg no: ss-407)f.o.rbokaro steel plant site along with supervision of erection, testing, trial run, commissioning and demonstration of performance guarantee parameters for rebuilding of coke oven battery no. 6 at sail, bokaro steel limited, bokaro, jharkhand => limited