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Decrepit Pipe Repair 'Alarmingly' Slow

Thursday, January 15, 2015

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Nearly half of a Pennsylvania utility's pipelines are "at risk," and the 80-year time frame for replacement just isn't fast enough, state regulators are saying.

An in-depth analysis into pipeline safety and replacement at Philadelphia Gas Works is now underway, the Pennsylvania Public Utility Commission announced Monday (Jan. 12).

According to public records, about 49 percent of PGW's pipeline (1,994 miles) is considered "at risk" and is in need of replacement—the highest percentage of risky pipeline versus total miles of main out of any of the state's natural gas utilities by a factor of two, the PUC said.

Philadelphia Gas Works
PGWorks.com

According to its website, PGW replaced over 18 miles of cast iron gas pipeline in 2013. The PUC said it cost the company about $1.4 million to replace one mile of pipeline in 2013.

PGW is the nation's largest municipally owned gas utility and manages over 6,000 miles of gas mains and service pipes. About 1,500 miles of the system is cast iron gas pipes, some of which date back to the 1800s, TribLive.com reported.

The 179-year-old utility serves about 479,000 residential and 25,600 commercial and industrial customers within the city of Philadelphia.

'Alarmingly' Slow Replacement

The analysis is a follow-up to issues discussed at an en banc hearing in November on PGW's safety and aging infrastructure.

"We discussed many issues with PGW at the en banc hearing, but our biggest concern continues to be the safety of Philadelphia consumers, which is threatened by at-risk pipelines and an alarmingly slow replacement schedule," said Robert F. Powelson, PUC Chairman.

At the current rate of replacement, it will take about 80 years to replace all of the company's at-risk pipe. In 2013, it cost PGW about $1.4 million to replace one mile of pipeline, according to the PUC.

A message left with the company's media hotline was not immediately returned Wednesday (Jan. 14).

According to its website, PGW replaced over 18 miles of cast iron gas pipeline in 2013.

Cast and wrought iron pipelines are among the oldest constructed in the U.S., and the degrading nature of iron alloys has greatly increased the risk involved with their continued use, according to the Pipeline and Hazardous Materials Safety Administration.

pipeline
PHMSA

According to public records, about 49 percent of PGW's pipeline (1,994 miles) is considered "at risk" and is in need of replacement—the highest percentage of risky pipeline versus total miles of main out of any of the state's natural gas utilities by a factor of two, the PUC said.

"We will take an in-depth look at PGW and determine what may be done to accelerate this process and avoid tragic accidents, while at the same time being mindful of how much of a burden ratepayers can bear," said Powelson.

Three-Step Analysis

Powelson has ordered all relevant PUC bureaus to start a comprehensive three-step analysis into the utility that includes:

  • Reviewing the current condition of PGW's system integrity;
  • Analyzing PGW's current pipeline replacement schedule; and
  • Identifying impediments to pipeline replacement by PGW and means to accelerate replacement.

Once the review is completed, the PUC plans to release a report of its findings.

   

Tagged categories: Corrosion; North America; Oil and Gas; PHMSA; Pipelines; Program/Project Management; Utilities

Comment from Bill Connor, Jr., (1/15/2015, 2:50 AM)

Dump the Davis-Bacon prevailing wage requirement and cut your cost by 30% to 40%.


Comment from Chuck Pease, (1/15/2015, 2:48 PM)

So what did we all think that we could just dig holes and throw pipe in them and then for 100 years take monies that should have gone to regular maintenance and replacement and think everything would be alright??? Davis Bacon doesn't have anything to do with pure neglect on the state and municipalities diverting funds that should have been earmarked for this purpose. They were too busy growing government and salaries and not taking care of the infra structures. Now it time to pay the piper and everyone is claiming busted budgets.Learn how to balance a check book folks!!! Then run a government.


Comment from otis wayne Hale, (1/16/2015, 1:52 AM)

Damn well said, Chuck.


Comment from Larry Zacharias, (1/16/2015, 11:37 AM)

PGW is a municipally owned utility, a favorite of the left, because they are owned by the people, not some fat cat. The problem with this type of organization is that rates are set by the local politicos, and who wants to be the politician running for office after raising rates? Not a good career move if you want to stay in office. I know one country that solved this problem by requiring 50% of the governing boards of utilities like this to be technical professionals (engineers, CPA’s, and etc.) This insures the governing boards have people who understand things like maintenance, equipment rehabilitation, and the financing of these projects.


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