supply of building material under sr to zainul abdins mothers tomb, district srinagar , sub heading 1 , r r stones- of size 0.25av x 0.25av x 0.15av mof matching texture of size , unslaked lime- approved quarry- in air tight bags , coarse sand- free from dust and dirt , surkhi- made from well burnt clay bricks and without foreign matter , brick aggregate (20mm and down gauge)- made from well burnt clay bricks , burnt clay bricks a-class of size - 0.23x0.08x0.09m , burnt clay special bricks a-class of size - 0.15x0.06x0.09m , burnt clay special bricks a-class of size- 0.35x0.30x0.05m , wooden planks of size (budloo wood- size-3.00x0.20x0.10m)