 The Scotford Upgrader capacity was expanded by by March 2010, an increase of 60% in capacity.In May 2007, the US$9 billion to US$11.3 billion expansion contract was awarded to TIC, Bantrel Constructors, PCL & KBR.KBR built 160 modules and performed construction work for the Atmospheric and Vacuum (A&V) unit and Sulphur Recovery Unit (SRU).