bids are invited for earth excavation work , maintenance of land of hardcore of gauge excavation hundred mm deposited comma spared and levelled in layers excavation fifteen cm thick watered and rolled oblique rammed , m and l plain cement concrete using forty mm graded stone aggregate in foundation comma filling and mass concrete , m and l seventy five mm thick cement concrete using forty mm graded tiles aggregate , square steel three inch pipe twenty feet length , cgi sheet ten feet multiply four feet , square pipe one point five feet multiply one point five feet for supporting cgi sheet , square pipe one feet multiply one point five feet , iron bench four seater , paint red oxide paint enamel , p and f nails, spindle nuts and bolts , labour charges total quantity : 858