bids are invited for stores air termination single pointed aluminium rod 12 mm dia and 300 mm long , testing point terminal block make of gun metal and phosphorus bronze size 75 x 75 x 25 mm drilled and screwed including 3 nos 8 mm dia 25 mm long hexagonal head screw , aluminium strips 25 x 3 mm , galvanized iron strip 32 x 6 mm , earthing plate 600 x 600 x 6 mm galvanised steel suitable for gi strip fittings drilled with 2 nos holes for 6 mm dia near one side , charcoal , salt normal , ci earth pit cover of size 300 x 300 x 6 mm with angle iron of size 20x20mm 3 mm thick with ms frame , gi pipe 40mm dia 2 point 5 mtr , insulating pvc block 75x75x30 mm with insulating clamp nut and bolt make presto or polycab or finolex , tapping screw 55mm , gi wire 4 mm diameter for earthing , prong total quantity : 4100