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TOPOGRAPHICAL

Leveraging a combination of terrestrial total stations and RTK-enabled drones Norelo deliver highly accurate topographcal surveys.

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Terrestrial total stations are sophisticated surveying instruments that use optical and electronic technology to measure angles and distances to points on the ground. Norelo operators set up the total station at strategic locations around the survey area and aim it at specific targets known as prisms. By measuring the angles and distances to these prisms, the total station calculates the coordinates of each point, allowing Norelo technicians to map out the terrain with exceptional accuracy.

In conjunction with terrestrial total stations, Norelo utilises RTK-enabled small unmanned aircraft (SUA) to complement traditional surveying methods. RTK (Real-Time Kinematic) technology provides centimeter-level positioning accuracy by using satellite navigation and a ground based referance station. Equipped with high-resolution cameras and LiDAR sensors, SUAs capture aerial imagery and terrain data with incredible detail and resolution.

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With the integration of SUAs in topographical surveys significantly increases surveying efficiency and reduces fieldwork time. SUAs can cover large areas up to 300 hectares per day, a fraction of the time compared to traditional methods, making them ideal for surveying expansive or inaccessible terrain. This not only saves time and resources but also minimises safety risks for surveyors, especially in challenging environments such as steep slopes or rugged terrain.

Furthermore, the high-resolution imagery and terrain data captured by SUAs provide valuable insights for various applications beyond traditional topographical mapping. For example, the detailed data can be used for land development planning, environmental monitoring, infrastructure design and construction projects. The accuracy and richness of the data facilitate informed decision-making and help stakeholders visualise the terrain more effectively.

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Topographical drawings are essential visual representations of the physical features and terrain characteristics of a specific area. These drawings provide detailed information about the elevation, contours, landforms, vegetation, water bodies, and man-made structures present within the surveyed area. Typically created through meticulous surveying techniques and data collection methods, topographical drawings serve as valuable tools for various planning, design, and engineering projects.

In topographical drawings, elevation contours are prominently featured, depicting the shape and steepness of the land surface through lines that connect points of equal elevation. These contours help visualise the terrain's undulations and gradients, aiding in the understanding of slope stability, drainage patterns, and site suitability for development. Additionally, topographical drawings often include annotations, symbols, and color codes to denote vegetation types, land use zones, infrastructure elements, and other relevant features, providing a comprehensive overview of the landscape and its characteristics. Overall, topographical drawings play a crucial role in informing decision-making processes for land development, environmental management, infrastructure planning, and other applications, enabling stakeholders to make informed choices based on a thorough understanding of the terrain's characteristics and constraints.

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