underground drainage scheme,tirora municipal council tal tirora dist gondiya under nagarotthan1 working survey2 collection system length -67.3 km 3sewage pumping station at o14 manhole pumping station o25 manhole pumping station o3 6rising main di k9 7 stp of capacity 4.5 mld mmbr 8 effluent storage tank 9 compound walllength500 10 house service connection 4710 nos hh 11 road restoration length66 km 12utility shifting 13special purpose vehicle mounted combination of suction cum jetting machine 14trial and run for three months 15 royalty charges for natural sand rubble stone above 40mm size and hard murum of pwd item 16push through for crossing line under major road 17mechanical works of pumping stationo1