In Nigeria today, as more construction projects push into coastal, riverside, and swampy areas, one question keeps popping up from engineers, real estate developers, and contractors alike: “Do I need a bathymetric survey before I start work?” It’s a fair question. After all, hiring a survey team with specialized equipment like echo sounders and GNSS receivers adds to the project cost. In some cases, developers…
Some surveys challenge you. Not just technically, but in the way they demand patience, planning, and adaptability. That was the case in July 2025, when our team at OTIC Surveys Limited was engaged to carry out a topographic and bathymetric survey at a dredging site in Orange Island, Ikate, Lagos. The objective was clear: map the seabed and the surrounding land accurately, so the client…
A recent bathymetric survey we conducted for a colleague at the Yewa community in Ogun State has once again highlighted the importance of thorough and precise work in the field of surveying. Initially, we planned this survey as a one-day project, however, it was extended over two days due to the unexpectedly vast stretch of water, measuring approximately 13 kilometers in length. Despite the additional…
