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2008 IOWA TSI PIPELINE SAFETY CONFERENCE

2008 IOWA TSI PIPELINE SAFETY CONFERENCE. DIMP Panel August 20, 2008 Jim House. Cousin Eddie. Barn Fires. Serving Without Comprehension?. com·pre·hen·sion Pronunciation:ˌkäm-pri-ˈhen(t)-shən, -prē Function: noun

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2008 IOWA TSI PIPELINE SAFETY CONFERENCE

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  1. 2008 IOWA TSI PIPELINE SAFETY CONFERENCE DIMP Panel August 20, 2008 Jim House

  2. Cousin Eddie

  3. Barn Fires

  4. Serving Without Comprehension? com·pre·hen·sion • Pronunciation:\ˌkäm-pri-ˈhen(t)-shən, -prē • Function: noun • Etymology:Middle French & Latin; Middle French, from Latin comprehension-, comprehensio, from comprehendere to understand, comprise • Date: 15th century • 1 a: the act or action of grasping with the intellect :understandingb: knowledge gained by comprehendingc: the capacity for understanding fully <mysteries that are beyond our comprehension>

  5. DIMP Plan Elements • Knowledge of system • Identify threats • Measure Performance • Monitor results • Evaluate Effectiveness • Prioritize risk

  6. Geographical Information System (GIS) • Mapping system stores pipe and system attributes: • Operating Pressure • Material Type • Cathodic Protection zones • Age of Material • Emergency Shut Down Zones • As-Built process that in conjunction with work management system captures field data for entry into GIS.

  7. GIMMS • Gas Maintenance Management System • Tied to GIS system & CIS system • Collects Maintenance Information • Leak Data • CP reads • Facility Condition Information • Steel Pipe Inspection Information • Assists with scheduling

  8. Latest CP Reading View

  9. Leaks View Close Up

  10. Database ranks each system element Grades the system on: Age Reliability Cathodics Leak History Pressure Issues Inside Meter Sets Analyzes Projects GAP

  11. CP Project • Community to Community • CP Zone verification • Test Point Review • Confirm Isolated Mains and Services. • Faulty Insulators • Consultant Analyze Results • Update GIS system & GIMMS System

  12. CP Zone ID

  13. RUMS (Report of Unsatisfactory Material ) • Database to track material issues. • Train field employees to utilize this process • Engineering Department works with labs and consultants to analyze defects.

  14. Emergency Flow Valve Installation • Excavation Damage most significant threat to gas systems. • Alliant Energy voluntarily installs EFVs. • No change to current practices is foreseen.

  15. Periodic Inspection Deviation ? • Operator may propose to reduce the frequency of periodic inspections based on Engineering analysis and risk assessment. • Submit proposal • State decides

  16. Questions ?

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