Topographical surveying is conducted to investigate and accurately define the topographic conditions of a project area, providing essential spatial data for engineering design, planning, construction, and related technical works. Accurate survey data play a critical role in ensuring the efficiency, precision, and successful implementation of infrastructure and construction projects.

HAI (LAOS) Survey & Construction Sole Co., Ltd provides comprehensive topographical and construction surveying services using modern surveying equipment and advanced measurement technologies. Our experienced survey engineers are capable of performing high-precision surveys under various terrain and project conditions throughout Laos.

Topographical Surveying Services

• - Preparation of topographic maps at scales of 1/200, 1/500, 1/1000, 1/2000, and 1/5000
• - Establishment of survey benchmarks and control points
• - Development of coordinate and elevation control networks
• - Cross-sectional and longitudinal sectional surveys
• - Site contour and terrain mapping
• - Data collection for engineering design and planning purposes

In addition to topographical surveying, we provide construction surveying services to support all stages of project execution, ensuring accurate positioning, alignment, and quality control during construction activities.

Construction Surveying Services

• - Establishment of construction control networks
• - Setting out and positioning of construction areas
• - Verification and validation of construction accuracy
• - Alignment and positioning of centerlines
• - Foundation and structural positioning
• - Setting out of main axes and auxiliary axes
• - Establishment of project coordinate systems
• - Structural displacement and settlement monitoring, including horizontal and vertical movement monitoring
• - Additional construction survey services according to project requirements

By utilizing advanced total stations, GNSS/GPS systems, digital levels, and modern surveying software, HAI (LAOS) Survey & Construction Sole Co., Ltd delivers accurate, reliable, and efficient survey solutions that support safe construction practices, engineering precision, and sustainable project development.