AN ORDINANCE AUTHORIZING THE HONORABLE CITY MAYOR TO ENTER INTO A CONTRACT WITH THE PSB ENTERPRISES AND DEVELOPMENT CORPORATION FOR THE CONSTRUCTION OF BIGAAN RIVER FLOOD CONTROL LOWER PORTION, CUGMAN, THIS CITY, IN THE AMOUNT OF P1,718,060.97, FUNDED FROM THE 1998 20% DEVELOPMENT FUND AND UNDER THE TERMS AND CONDITIONS STIPULATED IN THE PROPOSED CONTRACT SUBMITTED TO THIS BODY