work of maintenance of rising pipeline and all distribution pipe line of uwss todaraisingh; maintenance of pipelines irrespective of size & materialwhich includes repairing of bursts & leakages pollution control, survey & removal of choking, disconnection of illegal connections,collection & recording minimum 10 nos. residual chlorine samples during daily supply timings, interconnections and all works related to pipeline network in existing distribution /rising main pipe lines of all sizes by digging out suitable size of pit in soft and loose soil/ hard soil including cutting of black top, wbm & cc top of road of any size at work site. this will also include cutting of pipe ends, fixing of pipe piece with jointing material to make repair leak proof and refilling of pit by excavated sand by ramming it at sides of pipes and upto ground level.for entirejobcontractorwillusetheir own t & p. contractor with his own resources shall arrange de-watering,jcb & tractor compressor if any and restore any amenity at his own cost damaged while performing the work in this item. the work includes daily patrolling and repair the leakages within stipulated time and complete maintenance of pipe line network of rising and distribution pipeline network within the scope of work for per km pipe line per month. jointing material shall be provided by the department. 2 101 km to 200 km - two fitter-ii & four beldar