supply of material under the work of sr to water tightening on roof of museum at western side cell at purana qila, new delhi as specified in the boq. for supply of material under the work of sr to water tightening on roof of museum at western side cell at purana qila, new delhi as specified in the boq. , conservation work , unslacked lime katni in proper packing , surkhi of 1st class brick , course sand , gur , belgiri , gum , brick agg. 20 mm to 25 mm nominal size , mechanical transportation , essential articles pvc pan ( tasla ) , gum boot , pvc bucket ( 20 ltr ) , pvc mug , cane baskets , pvc pipe 1.5 dia ( bdl ) , pvc drum ( 200 ltr ) , manila rope 1 / 2 , wire & coir brush , loading rickshaw three wheeler