procurement of spares of gear boxes make - premium transmission for agitators and birdge clariflocculator installed at dm plant and etp plant of unit no. 10 and 11 of ph-iv stps sarni. , spares of gear box type a-162, gear ratio 15/1 for etp & dm plant measuring tanks. , oil seal (i/p) , worm shaft , oil seal (o/p) , worm wheel , breather , wheel shaft , spares of gear box type a-200, gear ratio 15/1 for etp & dm plant measuring tanks. , oil seal (i/p) , oil seal (o/p) , spares of gear box type a-287, ratio 60/1 for etp brigde clariflocculator , comp. casing , oil seal (i/p) , oil catcher for w/sh , worm shaft , oil seal (o/p) , oil catcher for wh/sh , worm wheel , breather , wheel shaft , wheel shaft end cover , spares of gear box type a-287, ratio 10/1 for etp brigde clariflocculator , oil seal (i/p) , worm shaft , oil seal (o/p) , worm wheel , spares of gear box type a-337, ratio 25/1 dm plant bridge clariflocculator & etp plant , oil seal (i/p) , worm shaft , oil seal (o/p) , worm wheel , spares of gear box type u-500, ratio 20/1l, dm plant bridge clariflocculator , oil seal (i/p) , worm shaft , oil seal (o/p) , worm wheel , wheel shaft , spares of gear box type v-600, ratio 50/1 ly,for etp brigde clariflocculator , oil seal (i/p) , worm shaft , oil seal (o/p) , worm wheel , wheel shaft