The Kallang Paya Lebar (KPE) expressway is "One of the toughest projects in the world" according to the Land Transport Authority (LTA) review board of five international experts including Dr. Victor Milligan from Canada and Professor Robert Mair from Cambridge. (The Straits Times Monday 23 August 2004) Kian Hock is the sub-contractor for the KPE sheet piling works (partially) under Samsung Corporation and THL Foundation Pte Ltd for C423.