tender for reboring of 1 india mark-2 hand pump for reboring work of 60 india mark-2 hand pump - drilling of old india mark-2 hand pump machine and c.c. plate form including all labour t&p etc. 2 drilling of 150mm da bore by casing/palm presure method including errectin of boring t&p dismantling after completion of the work all necessary t&p and labour required for leveling of site, loading arrangement, transportaiton etc 3 supply and lowering of following pipe assembly including all labour t&p etc.a-63mm dia pvc strainer with 1 mtr. blind pipe(4mtr) 4 b-63 mm dia pvc pipe 6 kg/sqcm. pressure isi marks 5 c-110mm x63 mm dia pvc reducer heavy duty 6 d-110mm dia pvc pipe 6kg./sqcm. pressure isi mark 7 e-32 mm dia g.i. pipe class -b isi mark 8 f-12mm dia x 3mtr long m.s. connecting rod 9 shrounding and packing graded coarse sand in between bore wall and strainer and sealing the anular space between housing pipe and bore hole with betonite/puddle clay including all material, labour, t&p 10 installation of india mark ii hand pump machineincluding necessary minor repairing ofhand pump machine with labour, t&p etc 11 development of bore of over pumping and back washing till the discharge is free from turbidity and disinfection of hand pump using powered chlorine compound including all material, labour, t&p etc. 12 construction of cc plate form as pr required at site including all material, labour, t&p etc 13 embossing & painting the details and make site photograph of hand pump installation as directed by the engineer in charge 14 testing of water simple