tender for passage and drainage at r.m. to m.t, s.c. marg- 1 removing old flooring 2 excavation in concrete 3 p/l 250mm s.w. pipe 4 p/l encasement for pipe 250 mm 5 p/l stoneware pipes 100 mm dia 6 p/l 1:4:8 c.c. encasement 100 mm pipe 7 nominal mix of 1:3:6 (1 cement opc: 3 coarse sand : 6 graded stone aggregate 20 mm nominal size 8 brickwork with non modular bricks of class dsgn 3.5 & above in foundation & plinth in c:m 1:4 9 providing and applying 20 mm thik external plaster 10 p/f rcc cover with ms frame 11 repairing of existing gully trap chamber 12 25 to 30 mm rough tandur stone 13 g.i.pipe 15mm dia 14 g.i.pipe 25mm dia 15 g.i. pipe 40mm dia