supply of 1 ss grating 150 mm 6 nos 2 cp grating 127 mm 25 nos 3 cp grating 102 mm 32 nos 4 pvc grating 150 mm 18 nos 5 helical door spring 7 nos 6 ferric alum grade iv 27800 kg 7 pvc water tank cover 500 ltr 2 nos 8 pvc water tank cover 1000 ltr 6 nos 9 calcium hypochloride 1530 kg 10 cp shower rose 15 x 75 mm 20 nos 11 distribution board single pole 8 way double door 1 nos 12 distribution board single pole 12way double door 2 nos 13 distribution board single pole 6 way double door 2 nos 14 distribution board single pole 4 way double door 2 nos 15 gi union 15 mm 45 nos 16 gi union 20 mm 40 nos 17 gi union 25 mm 12 nos 18 gi elbow reducer 25 x 15 mm 1 nos