RD UPGRADING (UNPAVED TO PAVED) BASED ON GRAVEL RD STRATEGIES, TRAFFIC BENCHMARK FOR UPGRADING TO PAVED RD STDS (HDM-4 PROJ ANALYSIS), UBAO-TAANG ROAD K0408+314 - K0412+064
ALFALFA CONSTRUCTION (29712)
Regular Infra - Maintenance Roads and Bridges, Roads: Construction - PCCP