Bidding for Manila’s MRT-3 maintenance contract extended to May 2013 April 15, 2013 | Asia Pacific News Bidding for the maintenance service contract of Metro Rail Transit 3 (MRT-3) Line has been extended by a month to May 2013. The bidding for the PHP712 million contract will be held on May 16, 2013. &n... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password