supply of materials for day to day maintenance work in area by pdg. coarse sand, stone aggregate 10 mm ns, precast rcc slab, precast rcc grating, precast rcc manhole cover and bricks at chirag delhi store in ward no. 88-s / south zone.- laying and jointing pvc pipe. heading 2 supplying & stacking of coarse sand at municipal store. 3 supplying & stacking of size 10 mm nominal stone aggregate at municipal store. 4 supply of rcc slab grating 70 mm thick manufactured with cc 1:2:4 reinforced with 96 kg / cum of rcc i / c tapping all four side with ms sheet 1.6 mm thick & fixing in position complete. ( drain cover with or without holes ) at mpl.store. 5 supply & stacking of precast r.c.c. grating with frame 500x450 mm horizontal grating at mpl.store. 6 supply & stacking of precast r.c.c. manhole cover with frame circular shape 560 mm dia ( hd-20 ) at mpl.store. 7 supply & stacking of bricks class designation 75 at mpl.store.