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 , 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 agreegates of required specifications natural sand vsi sand finely washed etccement 6 40 hags cumt , 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 agreegates of required specifications natural sand vsi sand finely washed etccement 6 40 hags cumt