Repairing of old damaged impeller with shaft including replacement of other rotating assembly and make as ready spare for high capacity pump unit no.-2 of phase-i at rwps under grww.

Cleaning and removing of idol frameworks, hyacinth, various floating materials, etc. stuck at the jetty of rwps ph-i,ph-ii and ph-iii including cleaning all the bell mouth also under grww for a period of 45 days.

Lifting,dismentaling,cleaning,checking of different rotating components including repairing of pump casing with reassembling and commissioning kbl make centrifugal pump unit no- 3 at phase- iii under rwps grww.

Annual periodic regular maintenance of heavy duty pumps and other allied pumping accessories at ph-i pumping station of rwps grww.

Improvement of outdoor illumination at the premises of raw water pumping station under grww.

Supply, fitting and fixing of new taper roller bearing in place of defective one inside the tbh of the kbl make v.t. pump no-1 along with reassembly and alignment at the low lift pumping station under grww.

Strengthening of the leaky blank plate on the extended portion of the 1500 mm dia. manifold pipeline of cwps ph-i, grww along with installation of blank flange, air valve and washout assembly on the same pipeline with other ancillary works.

Application of corrosion resistant primer and epoxy resin based painting on two nos. ss grid pipe lines, by pass arrangement, valves, platform etc. and ms structure of inter connection valves shed on the western side of plm room under grww.

Replacement of defective spares with new ones suitable for the existing v.t. pump no-4 including reassembling and alignment of the pump-motor set at low lift pumping station under grww.

Leak repairing of 900mm dia psc cc rising main near astarag old age home on helen keller sarani under grww