Text Box: Table 8       Concrete mix design used in High Marnham Project Material Property Control mix, kg/m3 Fly ash mix, kg/m3 Cement 280 220 Fly ash - 55 Coarse aggregate 1390 1375 Fine aggregate 600 595 Water 145 145 Water/Cement ratio 0.52 0.52 Nominal slump (mm) 25 40