AN ORDINANCE PROVIDING FOR THE CLOSING TO VEHICULAR TRAFFIC OF THAT PORTION OF O'DONNELL STREET, BETWEEN CAMARINES AND TAYABAS STREET, FROM 6:00 A.M. TO 6:00 P.M. DURING SCHOOL DAYS ONLY, FOR USE AS TEMPORARY PHYSICAL EDUCATION PLAYGROUND BY THE STUDENTS OF THE ARELLANO HIGHSCHOOL, O'DONELL ANNEX, UNDER CERTAIN CONDITIONS.