Point Lepreau refurbishment 9 months late


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Point Lepreau refurbishment delays highlight stalled calandria tube installation at the CANDU-6 nuclear reactor, as NB Power and AECL face schedule slippage, cost overruns, and transparency concerns amid a complex rebuild and project risks.

 

What You Need to Know

Schedule setbacks at NB Power's CANDU-6 rebuild, driven by calandria tube issues, pushing costs and timelines.

  • Calandria tube installation not yet started, per NB Power.
  • Internal target shifts to early November for full tube install.
  • Project now about 7.5 months late and slipping further.
  • Delays estimated at $20 million per month in costs.

 

The troubled $1.4-billion refurbishment of the Point Lepreau nuclear reactor is suffering another setback, pushing the massive project nine months behind schedule.

 

Sources inside NB Power say the refurbishment of the reactor is being stalled because of fuel tube problems with the installation of the plant's new calandria tubes. Internal NB Power estimates now show the tubes are to be fully installed by the first or second week of November, nearly nine months late, the sources say.

NB Power, which rejected compensation in 2002 over earlier disputes, did not respond to questions about problems with the calandria tube schedule, but Heather MacLean, a spokeswoman for the utility, did confirm to CBC News in an email that installation has not yet begun.

The utility last issued a public update on the refurbishment five weeks ago, the longest stretch without any official information on the project since it began more than a year ago.

Assembling the calandria tubes is the first step in reconstructing Atlantic Canada's only nuclear reactor, a process that includes safety upgrades as well.

The 380 tubes — which contain pressure tubes that in turn hold the uranium fuel bundles — were originally scheduled to be pulled out last Christmas, and removing radioactive tubes has contributed to delays since then.

Point Lepreau is the first Candu-6 reactor to undergo a complete gutting and rebuild. It was intended to be a showcase for AECL to display its ability to revive the 1980s-era reactors.

When the refurbishment project started, it was supposed to last 18 months and have the reactor back on line in October 2010.

However, crews at Point Lepreau struggled to deconstruct the old reactor, finally finishing that stage in late July, almost eight months behind schedule.

NB Power has acknowledged that delays will cost millions at Point Lepreau, amounting to $20 million a month.

The delays have come despite several NB Power officials, including David Hay, the utility's president and chief executive officer, confidently pledging just last year to keep the refurbishment "on time and on budget".

Gaetan Thomas, the utility's vice-president for nuclear, predicted last April after the job fell five months in arrears that the pace would pick up.

Thomas said the utility could make up some of the delays because AECL, under a recent NB Power-AECL agreement supporting the refurbishment, had more experience putting nuclear plants together than pulling them apart.

Energy Minister Jack Keir wants an answer from NB Power and Atomic Energy of Canada Ltd. on how long it will take to complete the $1.4-billion refurbishment of the Point Lepreau nuclear plant.

"What I have asked for is for somebody to pick a date, tell us what it is and let's work towards that date instead of every month coming out and saying it's another month behind," Keir said.

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