"Amending DO No. 55 Series of 1990 To Expand the Operational Jurisdiction of the DPWH Sub-District Engineering Office at San Pablo City.""Amending DO No. 55 Series of 1990 To Expand the Operational Jurisdiction of the DPWH Sub-District Engineering Office at San Pablo City.""Amending DO No. 55 Series of 1990 To Expand the Operational Jurisdiction of the DPWH Sub-District Engineering Office at San Pablo City."