Designation of Engr. MELVINA P. ROLDAN as Officer-In-Charge, Planning and Design Division, DPWH Region IV-B. Category: Special OrderSub Category: areas-responsibilities-authority-designationSeries: 2007No: 64File: SO_064_S2007.pdfDate: Wednesday, May 16, 2007Tags: Designation MELVINA ROLDAN OIC Planning Design Div IV-B human 064Region: Region IV-B Read more about Designation of Engr. MELVINA P. ROLDAN as Officer-In-Charge, Planning and Design Division, DPWH Region IV-B.