Tender For construction of roads in icfre rain forest research institute jorhat assam : : - work no. 1providing and laying interlocking concrete block pavement with m40 grade of concrete block having thickness 80 mm at icfre-rfri campus road , work no.2 providing and laying interlocking concrete block pavement with m40 grade of concrete block having thickness 80 mm at icfre-rfri campus road , work no. 3providing and laying interlocking concrete block pavement with m40 grade of concrete block having thickness 80 mm at icfre-rfri campus road , not applicable 1 , not applicable 2