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PG&E Pipeline Safety Enhancement Program (PSEP)For Fresno County Board of Supervisors

Jeanette IshiiSr. Government Relations RepresentativePG&E

January 29, 2013

Todd HogensonDirector, PSEP EngineeringPG&E

Pipeline Safety Enhancement Program - PSEP

PG&E Proposed a Multi-Phase Program • Phase 1 2011-2014

• Phase 2 would begin 2015

1.Pipeline Modernization• Strength Testing

• Pipeline Replacements

• ILI Upgrades & Inspections

2.Valve Automation• RCV/ASV Valve Installation & Automation

• SCADA Enhancements

Pipeline Safety Enhancement Program - PSEP

2012 PSEP Results• Pressure Testing: Tested 175 segment miles of

pipe

• Pipeline Replacement: Replaced/Installed 40 miles of new gas transmission pipeline

• Valve Automation: automated 46 valves

• In Line Inspection: Retrofitted 78 miles of pipe to accommodate ILI tools

PG&E Gas System Overview

Projects Completed 2012

Projects Planned for 2013

Pipeline Replacement

PG&E is replacing gas transmission pipelines in more parts of our service area than ever before:

• Engineer & permit the new pipeline

• Inform the community

• Construct & strength test the new line

• Isolate the old pipeline

• Connect the new line

• Pressurize the new line

• Release to Operations

Pipeline Replacement

• Gas Transmission Projects in Fresno County

• 2012, total miles installed = 16.2 miles

• 2013, forecasted miles to be installed = 9.1 miles

• Line 138……Installed 6.2 miles of pipe in 2012

• Line 138……Installing 0.3 miles 2013

• Line 111A……Installed 8.6 miles of pipe in 2012

• Line 111A……Installing 1.6 miles 2013

• Line 138D……Installed 1.56 miles of pipe in 2012

• Line 118 A …Installing 7.24 miles of pipe in 2013

Hydrostatic Pressure TestingPG&E is pressure testing gas transmission pipelines in more parts of our service area than ever before:

• Inform the community

• Isolate the pipeline

• Clear the pipeline

• Test the pipeline strength

• Reconnect the gas system

Pressure Testing

• Projects in Fresno County

• Line 138 (13.5 miles)…….hydro-tested in 2012

• Line 138 ( 3.4 miles)…….planned hydro-test in 2013

• Line 118A (0.2 miles)……hydro-tested in 2012

• Line 138D (1.5 miles)………hydro-tested in 2012

Total of 18.6 miles of pipeline pressure testing

Valve AutomationWe have several types of automation projects: replacing existing valves, adding or changing automation for existing valves, or installing valves in new locations:

• Inform the community

• Prepare the pipeline

• Install valve automation

• Test and connect the valve

Valve Automation •  

• Plan to automate 3 valves within Fresno County in 2013

• Line 300A, 1 valve

• Line 300B, 1 valve

• L-138, 1 valve

Pipeline RetrofitsMany of our pipelines were designed and constructed before modern inspection tools called “smart pigs” were developed. These important devices travel through large pipelines to inspect welds and pipeline thickness, and identify any weaknesses such as dents or corrosion:

• Inform the community

• Install the access point

• Clear the pipeline:

• Modify the pipeline

• Test the new features

Pipeline Retrofits for ILI

The upgrading of pipelines will include the installation of Launchers and Receivers and removing un-piggable features (plug valves) to accommodate In-Line Inspections (Smart-pigs).

 Line 300A (39 miles) was upgraded in 2012 for an ILI in 2013

Line 300B (39 miles) was upgraded in 2012 for an ILI in 2013

Pipeline Safety Enhancement Program - PSEP

2013 PSEP System-wide Goals;

• Pressure Testing: Test 190 segment miles of pipe

• Pipeline Replacement: Replace/Install 64 miles of gas transmission pipeline

• Valve Automation: automate 75 valves

• In Line Inspection: Retrofit 120 miles of pipe to accommodate ILI tools, Inspect 78 miles

Where to go for more information:• Online information about PG&E’s Natural Gas

Transmission System and our Pipeline Safety Programs at: www.pge.com/gassystem.

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Thank You