AN ORDINANCE AMENDING SECTION 5 OF THE ZONING PLAN COMPRISING A PORTION OF THE DISTRICT OF SAMPALOC, UNDER SECTION 2 OF ORDINANCE NO. 2830, OTHERWISE KNOWN AS THE ZONIFICATION ORDINANCE, AS AMENDED, BY CONVERTING THAT PORTION OF M. JHOCSON STREET, BETWEEN G. TUAZON STREET AND F. JHOCSON STREET, FROM "RESIDENTIAL ZONE" TO "COMMERCIAL ZONE."