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Digital Utility® Compliance Manager at PG&E for CP Survey
The document outlines PG&E's efforts to enhance its corrosion protection program following the San Bruno incident, focusing on evaluating over 3200 casings and 350,000 isolated steel locations as part of a five-year initiative. It highlights the implementation of a GIS-based system for efficient data management and compliance reporting within the corrosion program. Additionally, it describes the workflow involving field technicians, engineers, and construction teams to ensure proper cathodic protection across their extensive gas distribution network.
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Digital Utility® Compliance Manager at PG&E for CP Survey
- 1. Services for theDigital Utility® Digital Utility® Compliance Manager at PG&E
- 2. • Founded in2005 • Privately Owned • 275 Employees • Systems Integrator – Spatial Visual Focus • Implementation Focus • Extensive Gas Systems Experience
- 3. PG&E Overview • Incorporatedin California in 1905 • Serves about 15 million people throughout a 70,000 square-mile service area • More than 42,000 miles of gas distribution pipeline • 4.3 million natural gas customer accounts
- 4. • Cathodic Protection(CP) at PG&E • Following the San Bruno incident, PG&E put a good deal of work into updating their asset data • Focus on Transmission • Included the conversion of Gas Distribution data • In 2015, began to focus on Distribution • Hired Preston Ford to evaluate current state Cathodic Protection at PG&E
- 5. • Complete resetof the PG&E Corrosion Program • 5 Year Program • 21,000 miles of Steel Distribution Pipe • Determine: • The location • Whether appropriately cathodically protected • Ensure monitored and tracked Corrosion Program Analysis
- 6. Initial Analysis Revealed: •Casings • 3200 casings that needed to be evaluated • Isolated Steel Risers • The initial evaluation did not take into account locations where isolated steel risers are electrically tied • 350,000 locations were found • Require annual monitoring Corrosion Program Analysis
- 7. Massive Data CollectionProgram • 3200 casings that needed to be evaluated • 350,000 Isolated Steel Service locations • 5 year program • Contractors were onboarded to perform the field work GIS Data • The Gas Distribution GIS system was complete at PG&E at the end of 2015 • This data is instrumental in performing the field work Corrosion Program Analysis - Results
- 8. Field Process Aggregate Data toDetermine Locations GD GIS Data is combined with data from Corrosion Engineering • Areas where there was steel distribution that was not contained within a designated CP Area • 348 miles of Pipe
- 9. Field Process Aggregate Data toDetermine Locations Techs evaluate the field condition, providing reads and other information • Paper Maps • Excel Spreadsheet • Information is provided back to the engineer Field Tech Performs Survey
- 10. Field Process Aggregate Data toDetermine Locations Corrosion Engineer determines what changes need to be made to correct the CP Area • Creates Work Orders for Construction • Performs required analysis Field Tech Performs Survey Engineer updates CP in Area
- 11. Field Process Aggregate Data toDetermine Locations Construction performs work in the Field • Adding monitoring points, etc Field Tech Performs Survey Engineer updates CP in Area Crews Perform Field Work
- 12. Field Process Aggregate Data toDetermine Locations Techs evaluate the field condition, providing reads and other information Field Tech Performs Survey Engineer updates CP in Area Crews Perform Field Work Field Tech Performs Survey
- 13. Field Process Aggregate Data toDetermine Locations Once the changes have been validated, the updated CP information needs to be documented • Work Management System (SAP) • GIS Field Tech Performs Survey Engineer updates CP in Area Crews Perform Field Work Field Tech Performs Survey PAPER WORK
- 14. Digital Utility® -Compliance Manager Planning Monitoring Scheduling Compliance Reporting A single Esri based web application for Planning, Monitoring, Scheduling and Compliance Reporting… Learn more click to learn more about Digital Utility® Compliance Manager
- 15. CP Areas –Before Digital Utility
- 16. • CP Areascan be defined visually, and are updated with new additions automatically • Integrated • Shared • Accurate • Consistent CP With Compliance Manager
- 17. CP with ComplianceManager – In the Field - Before
- 18. • All assignedsurveys are sent to the user CP with Compliance Manager – In the Field • Shown visually and in a list • Can determine other areas nearby for work
- 19. • Forms havebeen integrated • Collect CP Test Point Readings CP with Compliance Manager – In the Field
- 20. • Add newCP Test points • Including location and all required information CP with Compliance Manager – In the Field
- 21. • Collect ComplexData such as Casings CP with Compliance Manager – In the Field
- 22. • View thestatus of all CP surveys CP Progress Dashboard
- 23.