A GPRS Case Study

GPRS Sewer Inspection Uncovers Sewer Lateral in San Ramon, California.

GPRS Sewer Inspection Uncovers Sewer Lateral in San Ramon, California.

Highlights

THE BOTTOM LINE

GPRS Video Pipe Inspection services discovered an underground gas line breach caused by a cross bore in San Ramon, California.

INDUSTRY

SERVICE

LOCATION

San Ramon, California

PM Insight

Deliverables

PROJECT APPLICATION

ASK

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Task

Inspect and map a property’s sewer system prior to excavation.

PROBLEM

  • There were no updated records of the property’s wastewater system
  • The property was decades old, and the buried infrastructure was a complex mix of current and abandoned lines
  • A utility strike during excavation would derail the project’s schedule and budget

Solution

  • GPRS utilized our NASSCO-certified Video Pipe Inspection services to inspect and map the property’s sewer system
  • Remote-controlled sewer inspection rovers equipped with sondes allowed for mapping buried infrastructure from the surface at the same time the utility is being inspected for defects such as cross bores
  • GPRS’ Project Manager discovered that a gas line had been inadvertently bored through a sewer lateral

Benefits

  • By locating this cross bore, GPRS ensured that the property owner could make the necessary repairs to guarantee the safety of everyone in the area
  • The accurate, complete map of the property’s wastewater system created through this inspection will mitigate the risk of cross bores being created during future directional drilling projects

CASE STUDY GALLERY

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“Our team was more effective and efficient because of SiteMap, allowing us to provide better results from more informed decision-making.”
Alexander Valigosky
Project Environmental Scientist

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