56th Partial List of Initial Accreditation of DPWH Materials Engineers. Category: Department OrderSub Category: human-resourceSeries: 2015No: 148File: DO_148_S2015.pdfDate: Wednesday, September 30, 2015Tags: 56th Partial List Initial Accreditation Materials Engineers human BRS 148Bureaus and Services: Bureau of Research and Standards Read more about 56th Partial List of Initial Accreditation of DPWH Materials Engineers.