installation of two tank chlorination system at augmentation of mosagram, ajhapur& others water supply scheme under jamalpurblock under central mechanical division, p.h.e. dte., dist.- purba bardhaman- 1 two tank chlorination arrangement - 2 supply & installation of following materials at below mention sites :- 3 a) mosagram-zone-2 ph-3b)ajhapur-ph-4c) ruppur-ph-3d) balarampur ph-4 & 5e) abujhati ph-4f) madhabpur zone-1 ph-3g) kalera ph-1 & 2total pump house- 9 nos 4 dismantling the all mechanical connection of existing chlorine machine for modification work as per direction of the eic. 5 supply & delivery at site following spares for chlorination :-(materials should be supplied as per actual site condition) 6 15 mm dia braided hose pipe 7 15 mm tail piece (200 mm long) 8 15 mm dia gi elbow 9 15 mm dia gi elbow 10 15 mm short piece (100 mm) 11 15 mm dia m.s clamp 12 15 mm upvc ball valve 13 15 mm dia nrv (g.m) 14 15 mm dia upvc tank nipple/ connector 15 15 mm dia upvc tee 16 25 mm upvc pipe (sch 40) 17 25 mm dia tank nipple/ connector 18 25mm dia upvc elbow 19 25mm dia upvc ball valve 20 25mm dia upvc union 21 25 mm dia g.i. socket with isi mark 22 100 ltr capacity loft tank (white colour) (make- sintex/ patton/ phed approved make) 23 supply and fitting fixing of suitable size iron angle frame on wall upto a height for installation of loft tank in which hypocloride solution mixed with water (frame weight 22 kg approx) 24 modification of disinfection arrangement with newly supplied materials & old servicable spares including necessary fitting fixing materials and testing of the whole installation with demonstration to the pump operator as per direction of e.i.c 25 add gst @ 18% 26 add cess @ 1%