ML20137V428
| ML20137V428 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 02/26/1997 |
| From: | Lieberman J SENATE |
| To: | Callan L NRC OFFICE OF THE EXECUTIVE DIRECTOR FOR OPERATIONS (EDO) |
| Shared Package | |
| ML20137V413 | List: |
| References | |
| NUDOCS 9704170294 | |
| Download: ML20137V428 (3) | |
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WASHINGTON, DC 20610-0703 T*" E U 2 M oos eenew: '
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February 26, 1997 4
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Mr. L. Joseph Callan Executive Director for Operations i
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Nuclear Regulatory Commission
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Washington, D.C. 20555 l
Dear Mr. Callan:
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I'm enclosing copies of. letters I recently~ received from one of my constituents, Joseph Stankowski, regarding his further 1-concerns about NRC examination of' primary piping welds and j.
reactor. coolant piping welds at the Millstone 3 reactor (see enclosed letter of November 26, 1996 sent to my constituent by 1
the NRC).
Mr. Stankowski worked at Northeast Utilities as a Senior Engineer for a p~eriod of 14 years.
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My constituent is concerned about any regulator request that may be granted to Northeast Utilities. y relief
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According to l
my constituent. the critical welds in the piping that goes from the reactor vessel to the reactor coolant pumps cannot be 1
inspected ultrasonically as required by regulations because Northeast Utilities and the NRC approved of the material from which the piping is fabricated -- material with a large grain 4
i structure.
My constituent contends that these welds can be examined by x-ray, but Northeast Utilities doesn't support this 4
approach because it would have to drain the water in the pipes --
a process that would be time-consuming and costly for the utility.
He further states that the welds that are not accessible could be monitored using acoustic emission techniques.
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I would appreciate a response concerning each of these points.
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Thank you for your attention to this matter.
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facilities from safety and other regulations. curtailed its policy relating to I have been urging this change in policy since April 1994 because the' old policy 4
appeared to amount to a de facto license amendment without following proper procedures.
The new policy ensures that this type of exemption will only be granted in very limited
.... circumstances where safety is not an issue.
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