tender for providing and laying in situ ready mix m 20 cement concrete of trap granite quartzite gneiss metal for approach slab rigid pavement including compacting finishing curing etc complete excluding reinforcement with reversible drum type mixer concrete batch mix plant pan mixer with scada with fine aggregates of required specifications natural sand vsi sand fine washed etc cement 6 40 bags cumt ssr item no 11 25 , providing and laying in situ ready mix m 20 cement concrete of trap granite quartzite gneiss metal for approach slab rigid pavement including compacting finishing curing etc complete excluding reinforcement with reversible drum type mixer concrete batch mix plant pan mixer with scada with fine aggregates of required specifications natural sand vsi sand fine washed etc cement 6 40 bags cumt ssr item no 11 25 , providing and laying in situ ready mix m 20 cement concrete of trap granite quartzite gneiss metal for approach slab rigid pavement including compacting finishing curing etc complete excluding reinforcement with reversible drum type mixer concrete batch mix plant pan mixer with scada with fine aggregates of required specifications natural sand vsi sand fine washed etc cement 6 40 bags cumt ssr item no 11 25