PIPELINE SAFETY MANAGEMENT SYSTEMS

AGA PSMS Workshop–April 13, 2017

PRESENTED BY:

Doug Gapp – Manager/Pipeline Safety PlanningSouthwest Gas Corporation

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Agenda

• Southwest Gas Overview

• PSMS at SWG:

– Past

– Present

– Future

• Summary

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Service Territory

• Headquartered in Las Vegas

• Largest distributor of natural gas in Arizona and Nevada

• Distributes and transports natural gas in parts of California

• 1,984,000 customers in service territory

• Over 99% of customers are residential and small commercial

Service Area Diversity

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Pipeline Facilities

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Miles of Transmission:• SWG – 664• Paiute Pipeline – 895

Miles of Distribution Main:• 30,435

Miles of Service:• 22,112

Number of Services:• 1,853,190

2 LNG Facilities• NNV / Production• SAZ / Pre-Construction

phase

• Draft API RP 1173 published – Now what?

• Review and Develop Implementation Plan

• Review Plan with PSMS Steering CommitteeExecutive Vice-President, Senior Vice-President/Operations, Senior Vice-President/Staff Ops & Technology, Vice-President/Engineering

• Preliminary identification of coverage by SWG Programs

• In-depth review with Subject Matter Experts (SMEs)

SWG and PSMS – The Past

• 33 Programs

• 21 Questions (Average) per Essential Element

• 10 Essential Elements

• = 7260 Responses

• Reviewed proposal with Steering Committee

Gap(p) Analysis Plan

Detailed Analysis Spreadsheet

PROGRAMS

QUESTIONS BASED UPON API RP1173

RESPONSES

• Questionnaire worked well

– Open to interpretation

• Initial approach 1 EE across all programs/quarter

• Accelerated review to complete gap analysis by end 2016

SWG and PSMS – Current

PSMS Enhancement Action Item List

API RP1173 REFERENCES

SPECIFIC ACTION ITEMS

RESPONSIBLE, SME, TARGET DATES, STATUS, COMPLETION DATE,

MEASUREABLE RESULT, REVIEW FREQUENCY

VALUE

PSMS Enhancement Action Item List

• Total Enhancements = 27

– High Value = 10

– Medium Value = 11

– Low Value = 6

• Completed = 4

• Update quarterly to Senior Management

• Develop Company PSMS

– In place by end of year

• Game plan for higher priority items

• Independent audit of program

• Sharing lessons learned with industry organizations

SWG and PSMS - Future

Summary:

• API RP 1173

• SWG review

• Enhancements

• Industry Involvement

• It is a journey...

Questions?