Blog : What Goes into a Utility Survey

What Goes into a Utility Survey

A utility survey typically involves gathering detailed information about underground utility infrastructure within a specified area. This survey is crucial for construction and development projects to prevent accidental damage to utilities such as water pipes, gas lines, electric cables, and telecommunication networks. Here’s what typically goes into a utility survey:

Desktop Study:

Utility Records: Reviewing existing utility records and as-built drawings provided by utility companies, municipalities, and other relevant sources.

GIS Data: Utilizing Geographic Information System (GIS) data to identify known utility locations.

Site Inspection:

Conducting a physical inspection of the site to verify and supplement the information obtained from records.

Noting visible utility markers, such as manhole covers, valve boxes, utility poles, and any visible above-ground infrastructure.

Utility Detection Techniques:

Ground Penetrating Radar (GPR): Using GPR equipment to detect underground utilities and structures based on variations in electromagnetic signals.

Electromagnetic Locators: Employing devices that detect and trace metallic utilities (such as pipes and cables) using electromagnetic fields.

Utility Tracing: Tracing utility lines from visible points to determine their paths and depths.

Data Collection:

Recording the location, depth, size, type, and condition of each identified utility.

Using GPS and surveying tools to accurately map utility locations.

Utility Marking:

Marking the ground with spray paint or flags to indicate the presence and approximate location of utilities.

Using color codes to differentiate between different types of utilities (e.g., red for electric, yellow for gas, blue for water).

Reporting:

Compiling all collected data into a comprehensive utility survey report.

Documenting findings, including photographs, maps, and descriptions of each utility.

Providing recommendations for construction practices to avoid damage to utilities during excavation.

Utility Verification:

Contacting utility companies for verification and updates on the location of utilities, if necessary.

Verifying utility depths and other critical details that affect construction planning and safety.

Risk Assessment:

Assessing the risks associated with potential utility conflicts and proposing mitigation measures.

Advising on safety precautions and procedures during construction activities near utilities.

Utility surveys are essential for minimizing risks, ensuring compliance with regulations, and reducing costly delays and disruptions during construction projects. The accuracy and thoroughness of the survey directly impact the safety of workers and the integrity of existing utility infrastructure.   

Have a question on Commercial Land Surveying and/or other surveys, give us a call at (954) 585-0997.