Singapore: Alpine Bau wins last two contracts worth SGD670 million for Downtown Metro Line Stage 2 September 23, 2009 | Asia Pacific News The Land Transport Authority (LTA) has granted the last two of 10 civil construction contracts worth a combined SGD670 million, for the Downtown Metro Line Stage 2 to Austrian contractor Alpine Bau. T... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password