Survey Division

Building and Commercial Construction Site Surveying Services

O’Bunco Engineering International (OEI) offers a comprehensive range of surveying services for commercial construction projects. We specialize in efficient structure layout, grade staking, and topographic surveys. Our team utilizes both conventional surveying equipment and advanced technologies such as the Carlson BRx5/Rover GPS and Trimble GPS systems—real-time kinematic (RTK) rovers that deliver pinpoint accuracy. With our expertise and technology, OEI is equipped to manage any commercial site from start to finish.

Our Highway, Municipal Road, and Building Surveying Services Include:

· Construction control surveys

· Construction stakeout surveys

· Ground and structural stability monitoring with reporting and certification

· Quality assurance/quality control (QA/QC)

· Machine control

· As-built or record drawings

· Quantity and final surveys

· Asset surveys and management with reporting and certification

· GPS and conventional control surveys

· Hydrographical surveying

· Topographic and hydrographical surveying

· Mapping and GIS

· Architectural and engineering site surveys

Highway and Transit Construction Site Surveying Services

OEI provides a wide array of services specific to highway and transit construction. Our team is proficient in layout, cut/fill staking, three-point referencing, and utility verification. We have successfully contributed to numerous highway and bridge projects, gaining a

depth of experience that sets us apart in the industry. Our advanced robotic and GPS equipment ensures we meet the demands of each project with precision and reliability.

Surveying Resources

Our survey staff is composed of highly experienced professionals with diverse, multi-disciplinary backgrounds. This breadth of expertise allows us to offer comprehensive support and rapid field deployment while maintaining schedule and budget compliance.

Our teams utilize industry-leading software including AutoCAD Civil 3D, MicroStation, Allegro CX, Carlson SurvCE Robotic, and Trimble Business Center.