tender for installation-of-two-tank-chlorination-system-at-bahirghanya--ura---others-water-supply-under-galsl-2-block-under-central-mechanical-division--p-h-e--dte---dist---purba-bardhaman, 1 supply & installation of following materials at below mention sites :- 2 a) bahirghanya w/s scheme, p.h no.-1 & 2 b) ura w/sscheme, p.h no.-1 & 2c) galsi w/s scheme, p.h no.-1 & 2d) adra w/s scheme, p.h no.-1 & 2e) joykrishnapur w/s scheme, p.h no.-1 & 2 total pump house- 10 nos 3 dismantling the all mechanical connection of existing chlorine machine for modification work as per direction of the eic. 4 supply & delivery at site following spares for chlorination :- 5 15mm dia braided hose pipe. 6 15 mm tail piece (200 mm long) 7 15 mm dia gi tee 8 15 mm dia gi elbow 9 15 mm short piece (100 mm) 10 15 mm dia m. s. clamp 11 15 mm upvc ball valve 12 15 mm dia nrv (g.m) 13 15 mm dia upvc tank nipple/ connector 14 15 mm dia upvc tee 15 25 mm upvc pipe (sch 40) 16 25 mm dia tank nipple/ connector 17 25mm dia upvc elbow 18 25mm dia upvc ball valve 19 25mm dia upvc union 20 25 mm dia g.i. socket with isi mark 21 100 ltr capacity loft tank (white colour) (make- sintex/ patton/ phed approved make) 22 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) 23 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 24 add. gst@18% 25 add. cess@1%