AN ORDINANCE AMENDING SECTION 10 OF THE ZONING PLAN COMPRISING PORTIONS OF THE DISTRICTS OF SAN MIGUEL, PANDACAN, PACO AND STA. ANA, UNDER SECTION 2 OF ORDINANCE NO. 2830, OTHERWISE KNOWN AS THE ZONIFICATION ORDINANCE, AS AMENDED, BY CONVERTING THAT PORTION OF P. SANCHEZ STREET, BETWEEN LEYTE AND BAGUMBAYAN STREETS UP TO THE RAILROAD TRACKS, SAMPALOC, FROM RESIDENTIAL "B" ZONE TO COMMERCIAL ZONE.