DPWH Standard Specifications for Public Works and Highways, 1988 Edition: Volume II-Highways, Bridges and Airports. Category: Department OrderSub Category: construction-materialsSeries: 1988No: 58File: DO_058_S1988.pdfDate: Wednesday, July 27, 1988Tags: Standard Specifications 1988 Edition Volume II Highways Bridges Airports materials 058 Read more about DPWH Standard Specifications for Public Works and Highways, 1988 Edition: Volume II-Highways, Bridges and Airports.
