Utility As-Built Surveys

Mapping Underground Infrastructure for Safe Development

At L5 Development Services, we conduct utility surveys to provide detailed information about underground infrastructure, helping prevent damage to essential utilities such as water pipes, gas lines, electric cables, and telecommunication networks. Our surveys ensure safe and efficient construction while minimizing risks and delays.

What Goes Into a Utility Survey?

1. Desktop Study

  • Utility Records Review – Collecting data from utility companies, municipalities, and as-built drawings.
  • GIS Data Analysis – Using Geographic Information Systems (GIS) to identify known utility locations.

2. Site Inspection

  • Conducting a physical site walkthrough to verify record data.
  • Identifying visible utility markers like manholes, valve boxes, and poles.

3. Utility Detection Techniques

  • Ground Penetrating Radar (GPR) – Detecting underground utilities using electromagnetic signals.
  • Electromagnetic Locators – Tracing metallic pipes and cables with electromagnetic fields.
  • Utility Tracing – Tracking utility paths and depths from known access points.

4. Data Collection & Mapping

  • Recording location, depth, size, type, and condition of utilities.
  • Using GPS and surveying tools to create accurate utility maps.

5. Utility Marking

  • Marking utility locations with spray paint or flags for easy identification.
  • Using industry-standard color codes (e.g., red for electric, yellow for gas, blue for water).

6. Reporting & Documentation

  • Compiling a comprehensive utility survey report with maps, photographs, and utility descriptions.
  • Providing recommendations to prevent damage during construction.

7. Utility Verification & Risk Assessment

  • Confirming utility locations with providers if needed.
  • Assessing risks and advising on safety precautions for excavation near utilities.

Why Utility Surveys Matter

Utility surveys help reduce costly disruptions, improve safety, and ensure compliance with regulations. Accurate utility mapping protects workers, prevents accidental utility strikes, and keeps projects on schedule.

Plan Ahead with L5 Development Services

Avoid costly mistakes—get a detailed utility survey before you dig.