DLC:- Material suitability 1:- Aggregate size is 26.5 mm 2:-water absorption 2% max 3:- Soundness test:- ..Naso4= 12% Mgso4=18% 4:- Angle of abrasion <35% Max FI &EI<35% 5 :- Equivalent weight of sand not less than 50% 6:- Aggregate should not to be alkaline reative 7:- MDD& MCC as per design