Nigeria's free digital learning hub. Videos, lecture notes, practice questions and leaderboards aligned with CCMAS, NBTE, NCCE, WAEC, NECO, IJMB and JAMB curricula.
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Nigeria's free digital learning hub. Videos, lecture notes, practice questions and leaderboards aligned with CCMAS, NBTE, NCCE, WAEC, NECO, IJMB and JAMB curricula.
Civil Engineering · 300 Level · First Semester
CEE 308 Engineering Surveying and Photogrammetry I is a 300 Level course in the Civil Engineering department, taught in the First Semester. On La-Net Hub you can watch all 15 recorded lectures for free, grouped into 5 series, read the course lecture note online or download it as a PDF, and test yourself with practice questions.
Chain and Compass Surveying is a fundamental land surveying technique used to determine the relative positions of points on the Earth's surface through linear and angular measurements. Chain surveying involves measuring distances between points using a chain or tape, making it suitable for small and relatively flat areas with simple features. Compass surveying complements this method by using a compass to measure the directions or bearings of survey lines, allowing surveyors to establish the orientation of boundaries and features accurately. Together, these techniques are widely used in mapping, land subdivision, route alignment, and engineering site investigations. Understanding chain and compass surveying provides a foundation for more advanced surveying methods and helps ensure accurate data collection for planning, design, and construction projects.
Contours and Site Mapping involve the representation and analysis of the physical features and elevations of a land surface to support planning, design, and construction activities. Contour lines are imaginary lines drawn on a map that connect points of equal elevation, helping to illustrate the shape, slope, and relief of the terrain. Site mapping combines contour information with details about natural and man-made features such as roads, buildings, vegetation, drainage systems, and boundaries. These techniques enable engineers, surveyors, and planners to assess land conditions, select suitable locations for projects, design effective drainage systems, and make informed decisions regarding construction and land development. Understanding contours and site mapping is essential for ensuring accuracy, efficiency, and safety in engineering and environmental projects.
