International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 12 Issue: 03 | Mar 2025
p-ISSN: 2395-0072
www.irjet.net
Precision Land Surveying: Advancing Accuracy with Differential GPS Technology Hashim Naseer1, Anjana M.S2, Afnan Sackir3, Sufil K Basheer4, Biby Aleyas5 1Bachelor of Technology in Civil Engineering, Ilahia College of Engineering and Technology, Kerala, India 2Bachelor of Technology in Civil Engineering, Ilahia College of Engineering and Technology, Kerala, India 3Bachelor of Technology in Civil Engineering, Ilahia College of Engineering and Technology, Kerala, India 4Bachelor of Technology in Civil Engineering, Ilahia College of Engineering and Technology, Kerala, India
5Assistant professor, Department of Civil Engineering, Ilahia College of Engineering and Technology, Kerala, India
---------------------------------------------------------------------***---------------------------------------------------------------------
Abstract - Land surveying is a cornerstone of infrastructure
accuracy and reliability. This makes data collection faster and more dependable, streamlining the entire surveying process. In this study, a DGPS device was used to survey a specific plot of land. The data gathered was then processed to create a detailed site plan using AutoCAD, and a contour map was generated with Esurvey CAD software to show elevation changes and help with earthwork calculations.
development, construction, and land management, but traditional methods often come with challenges like lengthy fieldwork, time-consuming processes, and the risk of human error. To address these issues, this study dives into the potential of Differential Global Positioning System (DGPS) technology as a game-changer for land surveying. DGPS offers highly accurate geospatial data, slashing errors and speeding up data collection compared to older methods. In this research, a DGPS device was used to survey a specific plot of land. The data collected was then processed to create a detailed site plan using AutoCAD, bringing the survey to life in a digital format. To further understand the terrain, a contour map of the plot was generated using Esurvey CAD software. This map not only provided a clear visual of the land’s elevation changes but also helped in calculating earthwork needed for leveling the site. The findings highlight how DGPSbased surveying can revolutionize the field, offering a faster, more accurate, and efficient way to gather and process land data. This makes it an invaluable tool for engineers, construction teams, and land managers, streamlining projects and reducing the margin for error. By embracing this technology, the future of land surveying looks not only more precise but also more manageable and less labor-intensive.
The main goal of this research is to show how DGPS-based surveying can improve accuracy, save time, and make the whole process simpler and more user-friendly. By combining DGPS technology with advanced software for data processing, this approach offers a smarter, more efficient way to measure land and analyze terrain, especially for projects that need precise earthwork planning. It’s a step forward in making surveying more accessible and effective for professionals in the field.
2. NEED FOR LAND SURVEYING Accurate land surveying is a cornerstone of engineering and construction projects, providing the vital data needed for site planning, earthwork calculations, and infrastructure development. Traditional methods, like using total stations or leveling instruments, often come with their own set of challenges they’re time-consuming, labor-intensive, and prone to human error. These issues can lead to inaccuracies in measurements, which not only slow down projects but also drive up costs.
Key Words: DGPS, Land Surveying, AutoCAD, Esurvey CAD, Contour Mapping, Earthwork Calculation, Accuracy, Speed, Efficiency
1. INTRODUCTION
To tackle these problems, the use of Differential Global Positioning System (DGPS) technology has become a gamechanger in land surveying. DGPS takes standard GPS to the next level by using real-time corrections from reference stations, delivering much more precise positioning data. This not only boosts the reliability of survey measurements but also cuts down significantly on the time spent in the field.
Land surveying is a vital part of civil engineering, construction, and land development, providing the critical geospatial data needed for planning sites and calculating earthwork. Traditional methods, like using a total station or leveling equipment, often demand a lot of time and effort, and they’re not immune to human error. To tackle these challenges, newer technologies like the Differential Global Positioning System (DGPS) have become increasingly popular.
In this study, DGPS was used to survey a specific plot of land. The data collected was then processed to create a detailed site plan using AutoCAD. To better understand the terrain, a contour map was also generated using Esurvey CAD software, helping to visualize elevation changes and making earthwork calculations easier. This project was born out of the growing
DGPS is a high-precision tool that builds on standard GPS by using correction signals from reference stations, boosting
© 2025, IRJET
|
Impact Factor value: 8.315
|
ISO 9001:2008 Certified Journal
|
Page 300