supply of raw and building material ( group 1 ) in various villages of block baragudha distt . sirsa , ns itmes , interlocking paver blocks m-35 grade 60mm thick smooth face ( dumble shape ) , interlocking paver blocks m-35 grade 60mm thick smooth face ( dumble shape with colour ) , interlocking paver blocks m-40 grade 80mm thick smooth face ( dumble shape ) , interlocking paver blocks m-40 grade 80mm thick smooth face ( dumble shape with colour ) , grass paver blocks m-35 grade 60mm thick smooth face , stone metal 63-45mm gauge as per pwd specification ( 1988 ) 3 . 64 , stone metal 53-22 . 4mm gauge as per pwd specification ( 1988 ) 3 . 64 , coarse aggregate ( bajri 20mm/ 10mm ) as per pwd specification ( 1988 ) 3 . 64 , fine aggregate ( crusher/ stone dust ) as per pwd specification ( 1988 ) 3 . 30 , yamuna sand as per pwd specification ( 1988 ) 3 . 11 , local sand as per pwd specification ( 1988 )