Advisory for Dominion Contractors

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Gas Industry News (March 2007)

Text Box: Dominion Delivery companies (Dominion Peoples, Dominion East Ohio and Dominion Hope) are implementing the PPI TR-33 Generic Butt fusion procedures, effective January 9, 2007. Dominion will be phasing out the old Plexco Butt fusion procedures with the new PPI TR-33 (2005) Generic butt fusion procedures. Contractors should make certain that their trainers use this procedure as opposed to the Plexco procedure in Plexco's old Bulletin 101, 105 and 106 when training their personnel. CTSi’s trainers, during the qualification testing of Dominion Delivery's contractors, will be using the PPI procedures and will be notifying Dominion’s contractors at the time of their qualification/re-qualification testing to change their heating iron temperatures to 440 degrees F. The new PPI TR-33 Butt fusion procedures allow a temperature range of between 400 and 450 degrees F. The qualifying butt fusion joints will be destructively tested as outlined in DOT Part 192.285. Download PPI TR-33 by going clicking on the Resources tab.

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