Assignment of Engr. FERNANDO S. ONGKINGKO as District Engineer of Davao City Engineering District, Region XI. Category: Department OrderSub Category: areas-responsibilities-authority-designationSeries: 1999No: 63File: DO_063_S1999.pdfDate: Thursday, April 8, 1999Tags: Designation FERNANDO ONGKINGKO District Engineer Davao City XI 063Region: Region XI Read more about Assignment of Engr. FERNANDO S. ONGKINGKO as District Engineer of Davao City Engineering District, Region XI.