Monthly Archives: March 2026

From Existing Ground Levels to Proposed Road Levels By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE)

A Practical Case Study of Gully Erosion Control in Alibiuba, Delta State   The establishment of proposed road levels relative to existing ground conditions represents one of the most critical decisions in highway engineering. When survey pegs are positioned and elevation differentials become apparent, the implications extend far beyond simple earthwork quantities. In the Nigerian […]