supply of materials for day to day maintenance work in area by pdg brick, coarse sand, stone aggregate 10-20 mm n / s, manhole, gully grating, rcc slabs, np2 pipe etc at store under the jurisdiction of ward no. 128, dichaon kalan, najafgarh zone. 1 laying and jointing pvc pipe. heading 2 supply of precast rcc slab / grating 70 mm thick at mpl store 3 supply of rcc circular manhole cover & frame 560mm hd-20 at mpl store 4 supply of rcc circular manhole cover & frame 560mm ehd-35 at mpl store 5 supply of rcc np-2 class pipe 250 mm at mpl store 6 supply of rcc np-2 class pipe 150 mm at mpl store 7 supply of precast rcc grating cover & frame 500 x 450 mm horizontal at mpl store 8 supply of course sand at mpl store 9 supply of 10-20 mm n / s. stone agg. at mpl store 10 supply & stacking of common burnt clay fps bricks of class designation 7.5 at mpl store