HYDROGRAPHIC SURVEYS (DAMS, RIVER BASIN, BRIDGES)

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• Survey Works for Subah Buaya Footbridge Upgrading, 2003
• Survey Works for Tulay Rock Causeway Upgrading, 2003
• Survey Works for Danapah Footbridge Construction, 2003 
• Survey Works for Sengal Footbridge Construction, 2003
• Survey Works for Logpond Rock Causeway Upgrading, Sitio Logpond, Brgy. Libertad, Tungawan, 2004
• Survey Works for Kasigpitan Bridge Slope, 2004
• Survey Works for Carbon Footbridge Upgrading and Tampalan Footbridge Upgrading, 2004
• Survey Works for Cabcaban Bridge Construction, 2004
• Survey Works for Matarling Bridge Construction, 2004
• Monitoring Survey of San Roque Dam Project, 2005 to 2014