Gem bids for Rmc, Lot 1. Rcc M30 Grade Concrete. As Per Attached Mix Design, Lot 2. Rcc M30 Grade Concrete. As Per Attached Mixdesign, Lot 3. Rcc M25 Grade Concrete. As Per Attachedmix Design, Lot 4. Pcc M10 Grade Concrete. As Per Is 456Latest Rev Nominal Mix With Minimum Cement Content Of220 Kg Per Cum, Lot 5. Rcc M7.5 Grade Concrete. As Per Is456 Latest Rev Nominal Mix With Minimum Cement Contentof 170 Kg Per Cum