AS PER BOQ

Re-development of 125mm dia bore hole by way of shifting of rig mounted compressor/compressor along with accessories and allied material required for the job, dismantling of Mark-ll Hand Pump and extraction of riser pipes, connecting rods and cylinder. Lowering of developing line till clear potable water, free of sand is obtained. Extraction of developing line and re-lowering of riser pipes along with connecting rods, cylinder assembly re-installation of Hand Pump assembly, replacement of riser pipes /connecting rods/other material if required and testing of hand pump. The job also includes cost of POL consumed during re-development with air compressor, loading/unloading of material at site, handling, shifting and labour cost. (Complete Job)