Compilation of DPWH Standard Specifications for Highways, Bridges and Airports. Category: Department OrderSub Category: construction-materialsSeries: 2007No: 42File: DO_042_S2007.pdfDate: Thursday, August 2, 2007Tags: Compilation Standard Specifications 042 Highways Bridges Airports materials Read more about Compilation of DPWH Standard Specifications for Highways, Bridges and Airports.
