Heat Fusion Joining Procedure Qualification for Natural Gas Utilities
with PE Distribution Systems
Dr. Bryan E. HaugerBryan Hauger Consulting, Inc.
April 16-17, 2019West Conshohocken, Pennsylvania
Bryan Hauger Consulting, Inc. – April 2019
Overview Objectives Recent Developments Process for Qualification Heat Fusion Joining Types Discussed
• Butt Fusion• Socket Fusion• Electrofusion Coupler• Conventional Saddle• Electrofusion Saddle
Conclusions
Bryan Hauger Consulting, Inc. – April 2019
Objectives Share Best Practices for Procedure Qualification Improve understanding of testing procedures
used to qualify plastic pipe joints in compliancewith 49 CFR 192• Only Heat Fusion Joints will be discussed• Lots of Photographs to Assist Visual Learners
Bryan Hauger Consulting, Inc. – April 2019
Recent Developments Revisions to 49 CFR 192 were published by
PHMSA in November of 2018• Increasing the design factor of polyethylene pipe• Adding PA12 and modifying PA11 rules• Incorporation by reference of ASTM F2620 into the
qualification of procedures and personnel for joiningplastic pipe
• Effective Date Originally January 22, 2019
Bryan Hauger Consulting, Inc. – April 2019
Best Practices Natural Gas Operator provides written procedures
for joining operations Independent Professional verifies conformity to
the written procedure by observation of all jointsfor testing
Joints tested by an independent laboratory Document created including;
• Written Procedures for Joining• Confirmation of Conformity to the Written Procedure• Results of Testing
Bryan Hauger Consulting, Inc. – April 2019
Heat Fusion Joining
Bryan Hauger Consulting, Inc. – April 2019
Butt Fusion Joints
Bryan Hauger Consulting, Inc. – April 2019
Butt Fusion Tensile Bars
Bryan Hauger Consulting, Inc. – April 2019
Butt Fusion Tensile Testing
Bryan Hauger Consulting, Inc. – April 2019
Quick Burst on Butt Fusion Joint
Bryan Hauger Consulting, Inc. – April 2019
Socket Fusion
Bryan Hauger Consulting, Inc. – April 2019
Socket Fusion Tensile Bars
Bryan Hauger Consulting, Inc. – April 2019
Tensile Comparison
Bryan Hauger Consulting, Inc. – April 2019
Socket Fusion
Bryan Hauger Consulting, Inc. – April 2019
Tensile Bars for Socket Fusion
Bryan Hauger Consulting, Inc. – April 2019
Tensile Testing of Socket Fusion
Bryan Hauger Consulting, Inc. – April 2019
Burst Testing of Socket Joint
Bryan Hauger Consulting, Inc. – April 2019
Conventional Saddle Joining
Bryan Hauger Consulting, Inc. – April 2019
Conventional Saddle Impact
Bryan Hauger Consulting, Inc. – April 2019
Conventional Saddle Burst
Bryan Hauger Consulting, Inc. – April 2019
Electrofusion Couplers
Bryan Hauger Consulting, Inc. – April 2019
Quick Burst of EF Coupler Joint
Bryan Hauger Consulting, Inc. – April 2019
Burst Test Comparison
Bryan Hauger Consulting, Inc. – April 2019
Crush Test on EF Coupler
Bryan Hauger Consulting, Inc. – April 2019
Electrofusion Saddle
Bryan Hauger Consulting, Inc. – April 2019
Crush Test on EF Saddle
Bryan Hauger Consulting, Inc. – April 2019
Conclusions Best Practices for Procedure Qualification
eliminate potential for conflicts of interest Third Party Testing is available to assist Natural
Gas Operators to Qualify their written joiningprocedures
Natural Gas Operators have the responsibility todetermine that a joining procedure is qualifiedand complies with 49 CFR 192.283
Bryan Hauger Consulting, Inc. – April 2019
Questions
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Bryan Hauger Consulting, Inc. – April 2019