supply matrials for construction of under ground drainage supply matrials for construction of under ground drainage at grampanchayat telewadi tal daund dist pune , 300 mm dia np ii class providing and constructing on sewer, b.b. masonary circular manhole with concentric cone 1.2 m dia at bottom and 0.5 m dia at top and upto depth of 2.0 m with 23 cm brick work in cm 1:4 proportion excluding excavation including foundation concrete 250 mm thick and haunces channels in cc 1:2:4 proportion, finishing channels in smooth rendeving providing ci depuri type steps each weight 5.5 kg 1:2:4 coping and providing and fixing approved make and quality sfrc frame and cover 56 cm diaetc--complete