DPWH Standard Specifications for Public Works and Highways, Volume II, Highways, Bridges and Airports, 2012 Edition.
Category:
Sub Category:
construction-materials
Series:
2013
No:
93
Superseded by:
DO_174_s2015
File:
Date:
Wednesday, October 9, 2013
Superseded Link:
http://www.dpwh.gov.ph/dpwh/sites/default/files/issuances/DO_174_s2015.pdf