PILAR CAÑEDA BRAGA, PETER TIU LAVINA, ANTONIO H. VERGARA, BENJIE T. BADAL, DIOSDADO ANGELO A. MAHIPUS, AND SAMAL CITY RESORT OWNERS ASSOCIATION, INC. (SCROA), PETITIONERS, VS. HON. JOSEPH EMILIO A. ABAYA, IN HIS CAPACITY AS SECRETARY OF THE DEPARTMENT OF TRANSPORTATION AND COMMUNICATIONS, DEPARTMENT OF TRANSPORTATION AND COMMUNICATIONS (DOTC), PRE-QUALIFICATION, BIDS AND AWARDS COMMITTEE (PBAC) AND PHILIPPINE PORTS AUTHORITY (PPA), RESPONDENTS