AMENDING PROCLAMATION 423, DATED JULY 12, 1957 WHICH ESTABLISHED THE FORT ANDRES BONIFACIO (FORMERLY FORT WILLIAM MCKINLEY) MILITARY RESERVATION, BY SEGREGATING CERTAIN PORTIONS OF THE LAND EMBRACED THEREIN SITUATED IN BARANGAY LOWER BICUTAN, TAGUIG, METRO MANILA AND RESERVING THE SAME FOR HOUSING SITE PURPOSES OF EMPLOYEES OF DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS (DPWH) OPEN FOR DISPOSITION UNDER THE PROVISIONS OF RA 7279 KNOWN AS THE URBAN DEVELOPMENT AND HOUSING ACT