DPWH Standard Specification on the Use of Forta-Ferro Fibers on Portland Cement Concrete Pavement. Category: Department OrderSub Category: construction-materialsSeries: 2017No: 78File: DO_078_s2017.pdfDate: Thursday, June 8, 2017Tags: DPWH Standard Specification on the Use of Forta-Ferro Fibers on Portland Cement Concrete Pavementmaterials BRS 078Bureaus and Services: Bureau of Research and Standards Read more about DPWH Standard Specification on the Use of Forta-Ferro Fibers on Portland Cement Concrete Pavement.