Survey, Mapping & GIS
RTK survey drones, GNSS/total stations and full GIS analysis for hydrographic, topographic, condition and underwater surveys — feeding directly into resource mapping, land-use and transportation planning.
Service Overview
A4 Associates brings decades of expertise to survey, mapping & gis. Our dedicated team provides end-to-end consulting, from conceptualization and feasibility studies through to detailed design, construction supervision, and post-project evaluation.
We adhere to the highest international standards (including Eurocode and British Standards where applicable) to deliver resilient, sustainable, and value-optimized solutions.
Featured Projects in Survey, Mapping & GIS
Land Degradation Mapping and Assessment for Prevention and Control of Potential Erosion Hazards
Client: Federal Ministry of Environment
Nationwide GIS-based mapping exercise identifying land degradation and erosion-prone zones for targeted intervention, with Prudemco Nigeria Ltd.
View Project DetailsTopographic Survey and Mapping of the Site of Sulma Earth Dam
Client: Federal Ministry of Water Resources
Detailed topographic survey supporting dam-site engineering studies, with Integrated Engineering Associates.
View Project Details