RFI No. 21 – Colour Dye

Section 3 – CONCRETE Subsection : 3.2.3.3 Coloring admixtures Question The team is considering adding food colouring dye instead of pigments as a mean of colouring the concrete. Is this an acceptable approach? Answer If your cloring dye does not meet  the requirement...

RFI No. 20 – acknowledgment

Section 6 – Design Paper Subsection : 6.1 Reference Question It is our understanding that the designer of all elements of the design paper, such as the cover page, header and organizational chart need to be acknowledged for their graphic design work. How and...