Coarse & fine aggregates are tested in accordance with ASTM standards before use. Cement from Lucky cement is used Its OPC & SRC complies with Pakistan Standards (PSS 232-1983 & PSS 612-1989) but both cements also surpasses British Standard (BS 12:1978 & BS 4027-1980 respectively). A full range of Admixtures are used that offer maximum flexibility in mix specifications which will be easy to finish and develop the strengths required. Admixtures are from reputed manufacturers like Sika or Fosroc.