The Mass Rapid Transit Authority yesterday awarded the second civil-works contract, worth Bt13.1 billion, to Sino-Thai Engineering and Construction, for construction of the Purple Line mass-transit project. From letf: Chukiat Photayanuwatr, Mass Rapid Transit Authority governor; Supoj Saplom, permanent secretary for transport and Vallop Rungkijvorasathien, President of Sino-Thai Engineering and Construction.