Category: Department OrderSub Category: construction-materialsSeries: 2013No: 93Superseded by: DO_174_s2015File: DO_093_S2013.pdfDate: Wednesday, October 9, 2013Superseded Link: http://www.dpwh.gov.ph/dpwh/sites/default/files/issuances/DO_174_s2015.pdfTags: Standard Specifications Public Works Highways Volume II Bridges and Airports 2012 materials 093