tender for providing ugd maintenance works in ward no 86; 1 construction of manholes using sulphate resistant cement at various depths to invert including earth work excavation asperss20b, laying cement concrete in c.m.1:3:6 using 40mm b.g. jelly for foundation, sinking well kerb below g.l. for 4.5m depth and above, pumping, timbering charges for 2.5m depth and above, stock brick work in c.m.1:3, for 23cm thick wall and over 23cm thick wall, plastering interior with c.m.1:3, 20mm thick and exterior with c.m.1:3, 12mm thick, laying plain cement concrete 1:3:6 using 12.0mm to 20mm b.g. jelly fixing the frame, providing c.i. steps, manhole cover and frame etc. complete for the following sizes for each manhole (as per the type design drawing for manholes).cost of the manhole for 1.00 m depth 2 cost of the manhole for upto 1.50 m depth 3 cost of the manhole for upto 2.00 m depth 4 cost of the manhole for upto 2.50 m depth