tender for servicing, repairing, maintenance of 15 hp submersible pump sets at i.p. e&m store. ; 1 repair / replacement of following worn out parts of dewatering submersible pump sets of 15 / 16 hp rating ( old material to be retained by firm ) : ( 1 ) o ring set 2 cable grommet 3 lead grommet 4 mechanical seal ( upper ) 5 mechanical seal ( lower ) 6 seal holder 7 pump base 8 ball bearing ( upper ) 9 ball bearing ( lower ) 10 cable gland 11 wearing ring 12 hardware 13 rewinding kit 14 pvc cable of size 7 core x 4 sq. mm + 2 core x 1 sq. mm 15 oil 16 labour charge for rewinding 17 labour charge for repairing and balancing of rotor 18 labour charge for dismantling / assembling / painting etc. 19 labour charge for fixing upper & lower bearing