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This is the complete lecture note for MNE502 Mine Surveying. You can read it online below, open it in the full viewer, or download the PDF for offline study. It pairs with the course's video lectures, so you can read and watch together.
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS • Course code: MNE 502 • Course title: Mine Surveying • Course credit load: 3 Series 1: Fundamentals of Mine Surveying Series outline • Part 1: Principles of Mine Surveying o Definition and scope of mine surveying o Differences between surface and underground surveying o Importance of surveying in mining operations • Part 2: Surveying Equipment and Techniques o Mining theodolite and its unique features o Comparison with land surveying theodolite
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS o Basic operation and handling of equipment • Part 3: Survey Control and Applications o Establishing survey control points o Applications in mine planning and design o Role of surveying in slope stability and excavation • Part 4: Data Processing and Presentation o Mathematical concepts in survey data processing o Presentation of survey results using cartographic principles o Integration of survey data into mining layouts Introduction Mining operations rely heavily on accurate measurements and representations of both the surface and subsurface. Without precise surveying, mine planning would be unreliable, slope stability could be compromised, and mineral reserves might be miscalculated. This Series sets the stage for your journey into mine surveying by introducing its fundamental principles, equipment, and applications. It is the foundation upon which the rest of the course builds, ensuring you can appreciate the unique role surveying plays in safe and efficient mining. The aim of this Series is to equip you with the essential knowledge and skills to define mine surveying, differentiate between surface and underground practices, operate basic surveying equipment, and process survey data for practical mining applications. We shall commence this Series by examining the principles of mine surveying, focusing on its scope, differences between surface and underground methods, and its importance in mining operations. Next, we will explore surveying equipment and techniques, with particular attention to the mining theodolite and its unique features. Following that, we will consider survey control and applications, where you will learn how survey data supports excavation, slope stability, and mine planning. Finally, we will wrap up with data processing and presentation, highlighting how mathematical concepts and cartographic principles are applied to transform raw survey data into useful mining layouts. Series Learning Outcomes Upon completing this Series, you should be able to: • SLO 1.1 define mine surveying and explain its scope,
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS • SLO 1.2 differentiate between surface and underground surveying, • SLO 1.3 explain the unique features of mining surveying equipment, • SLO 1.4 apply surveying techniques to establish control points and support mine planning, • SLO 1.5 process survey data using mathematical concepts, and • SLO 1.6 present survey results effectively using cartographic principles. 1.1 Principles Of Mine Surveying 1.1.1 Definition and scope of mine surveying Mine surveying is the specialised branch of surveying concerned with measuring, mapping, and analysing both the surface and underground features of mining areas. It provides essential data for mine planning, design, and safety. Unlike general land surveying, mine surveying must address dynamic geological conditions, displacement of rocks, and the need for precise control in confined underground spaces. Diagram showing the scope of mine surveying (surface and underground). Figure 1.1: Scope of mine surveying Mine surveying differs from land surveying because it involves both ______ and underground measurements. 1.1.2 Differences between surface and underground surveying
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Surface surveying refers to measurements taken on open ground such as quarries or open cast mines. It focuses on terrain mapping, slope stability, drainage, and excavation layouts. Underground surveying is conducted within mine tunnels, shafts, and chambers. It requires specialised instruments such as the mining theodolite, which is adapted for limited visibility and confined spaces. Comparison of surface and underground surveying. Table 1.1: Key differences between surface and underground surveying Surface surveying is mainly concerned with ______, while underground surveying focuses on ______. 1.1.3 Importance of surveying in mining operations Surveying is vital in mining because it ensures accurate mine planning, supports safe excavation, and provides data for drilling, blasting, and transport operations. It also assists in mineral reserve estimation and displacement analysis. Without reliable surveying, mining operations risk inefficiency, safety hazards, and poor resource management.
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Image of surveyors working in an open cast mine. Plate 1.1: Surveying in mining operations One major importance of mine surveying is that it ensures ______ in mine planning and design. Pilot questions 1.1 1. Define mine surveying in one sentence. 2. State two differences between surface and underground surveying. 3. Why is mine surveying considered essential in mining operations? 4. Which type of surveying is more concerned with slope stability? 5. Which type of surveying is conducted in confined spaces? 1.2 Surveying Equipment And Techniques 1.2.1 Mining theodolite and its unique features The mining theodolite is a specialised instrument used for measuring horizontal and vertical angles in underground mines. Unlike the standard land surveying theodolite, it is designed to function effectively in confined spaces with limited lighting. Its compact structure, reinforced casing, and adaptability to harsh underground conditions make it indispensable for underground surveying.
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Diagram of a mining theodolite showing its components. Figure 1.2: Mining theodolite and its features The mining theodolite differs from the land surveying theodolite because it is adapted for ______ conditions. 1.2.2 Comparison with land surveying theodolite While both instruments measure angles, the mining theodolite is more robust and compact. Land surveying theodolites are typically larger, designed for open terrain, and rely on natural lighting. In contrast, mining theodolites often incorporate illumination systems and are resistant to dust, moisture, and vibrations.
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Comparison of mining and land surveying theodolites. Table 1.2: Differences between mining and land surveying theodolites Surface surveying instruments are designed for ______ terrain, while mining theodolites are designed for ______ environments. 1.2.3 Basic operation and handling of equipment Operating surveying equipment requires precision and care. The mining theodolite must be properly set up on a stable tripod, aligned with control points, and calibrated before use. Surveyors must ensure that readings are taken consistently and recorded accurately. Proper handling extends the lifespan of the instrument and ensures reliable results.
LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Photograph of a surveyor setting up a theodolite in a mine. Plate 1.2: Surveyor operating a mining theodolite Accurate surveying depends on proper ______ and calibration of equipment. Pilot questions 1.2 1. What is the primary function of a mining theodolite? 2. State two differences between mining and land surveying theodolites. 3. Why is the mining theodolite more suitable for underground conditions? 4. What precaution must be taken before operating surveying equipment? 5. Which type of theodolite is designed for open terrain? 1.3 Survey Control And Applications 1.3.1 Establishing survey control points Survey control points are fixed reference positions used to ensure accuracy and consistency in mine surveying. They serve as benchmarks from which all subsequent measurements are taken. In mining, control points are established both on the surface and underground, allowing surveyors to connect different sections of the mine with precision. These points must be carefully selected, marked, and maintained to avoid errors in mine planning.
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