The project's pre-qualification procedure will now be held at the Transportation department's office in Mandaluyong City on Feb. 27, nine days after the original Feb. 18 schedule, a bid bulletin uploaded on the PPP Center's Web site showed. The pre-bid conference scheduled for today, Jan. 28, has also been reset to Feb. 13. Six parties have already bought bidding documents, according to Transportation Assistant Secretary Catherine P. Gonzales