DPWH Accreditation Responsibilities. Category: Department OrderSub Category: org-reorgSeries: 2015No: 137File: DO_137_S2015.pdfDate: Friday, August 28, 2015Tags: Accreditation Responsibilities Bureau Reseach Standards Quality Safety org BQS 137Bureaus and Services: Bureau of Quality and Safety Read more about DPWH Accreditation Responsibilities.