tender for improvement of water supply of various tubewells in pkt-11 & pkt-12 dda flats jasola vihar area in okhla constituency ac-54. , supply of fully automatic oil immersed star delta starter upto 15 hp , 3 phase 415 volts, 50 hz ac. make:- bentex/bch/djb approved. , s/o pvc insulated pvc sheathed flat cable with plain copper conductor having 3 cores for submersible motor of 4 sq mm size (each roll of 100 mtrs.) make: - grandlay/havells/gloster/djb approved , providing & fixing of indicating lamps ryb along with complete wiring of above electrical components and with suitable size copper conductor wire (6sq mm, 4 sq mm , 2.5 sq mm & 1.5 sq mm) and suitable size ferrule/socket of required size insulating board i/c replacement of old and damaged components with above mentioned materials. job i/c testing & commissioning of complete panel board on load as per site requirement. , s/o double flanged g.i pipe of 50 mm dia. medium class each of 3 mtrs long duly threaded on both ends welded and fitted with g.i flange on both ends having the slot for sub cable. make: - tata/jindal , s/o ms nut bolts off size as per requirement. , s/o rubber packing 50 mm dia. flange. , lowering & lifting of sub/sets from bore by taking out double flanged gi pipes, submersible p/set, cable, cutting of rusted nuts and bolts etc and replacement of damaged d/f gi pipes, cable, defective pump set etc as per site requirement and lowering of sub p/set, sub cable, gi pipe etc as required, jointing of cable from sub p/set along with holding of cable with pipes and jointing of d/f pipes etc with nuts bolts and rubber packing etc. the job includes hiring of all t&p, tripod stand, chain pulley block and other material handling equipments, safety gadgets ad required and consumable material will be arranged by the firm as per site requirement. the other material required during execution will be provided by department.