supply of material under the work conservation of excavated archaeological site at purana qila, new delhi , conservation work , u. lime ( katni / rajgarh ) , surkhi 1st class bricks , coarse sand free from dust & foreign materials , molasses , gur ( desi ) , belgiri , gum ( babool ) , lakhauri brick ( nominal size ) , brick aggregate ( 20 to 25 mm nominal size ) , brick aggregate ( 10 to 25 mm nominal size ) , dq stone of nominal & required size , for mortar free from impurities , mechanical transportation charges for removal of malba from mt to outside upto dumping ground lead upto 30 km.