PREVENTIVE MAINTENANCE BASED ON PAVEMENT MANAGEMENT SYSTEM/HIGHWAY DEVELOPMENT &  MANAGEMENT - 4 (HDM-4), ILOCOS NORTE-APAYAO ROAD, K0499+(-348) -K0499+000, K0500+863 - K0501+314
SOLSONA-GANAL CONSTRUCTION & SUPPLY (32694)
Regular Infra - GAA 2016 MFO-1