(1) Whether his department has imported any bitumen (a) in the (i) 2009-10, (ii) 2010-11 and (iii) 2011-12 financial years and (b) since 1 April 2012; if not, why not; if so, for each year, (aa) from where, (bb) at what cost and (cc) what quantity of bitumen was imported; (2) whether his department has a supply chain management plan for bitumen in place to complement the National Infrastructure Build Programme; if not, what steps does he intend taking to deal with this situation; if so, what are the relevant details?