FINE AGGREGATES (Clause 4.3) IS Sieve Designation Percentage Passing for Grading Grading Zone – II Grading Zone – III Grading Zone - IV Zone – I 10 mm 100 100 100 100 4.75 mm 90 – 100 90 – 100 95 – 100 90 – 100 2.36 mm 75 – 100 85 – 100 95 – 100 60 – 95 1.18 mm 55 – 90 75 – 100 90 – 100 30 – 70 600 Micron 35 – 59 60 – 79 80 – 100 15 – 34 300 Micron 8 – 30 12 – 40 15 – 50 5 – 20 150 Micron 0 – 10 0 – 10 0 - 15 0 – 10