ML20056F867
| ML20056F867 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities  |
| Issue date: | 08/27/1993 |
| From: | Morgan W COMMONWEALTH EDISON CO. |
| To: | Murley T NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM), Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20056F868 | List: |
| References | |
| NUDOCS 9308310234 | |
| Download: ML20056F867 (5) | |
Text
_ - _ _ _ - - _ - - _ - _ _ _ _ _ _ _ _ _
d ON : Commonwe lth Edi:on -'
1 [1400 Opus Pl ca Down:rs Grovs, filinois 60515 August 27,1993 Dr. Thomas E. Murley, Director Office of Nuclear Reactor Regulation.
U.S. Nuclear Regulatory Commission Washington, DC. 20555 h~
Attn: Document Control Desk
Subject:
- Additional requested information concerning the Intergranular Stress Corrosion Cracking (fGSCC) weld overlay repair of a recirculation system riser for Quad Cities Station, Unit 2.
References (s):
(a)
J.E. Schrage letter to T.E. Murley dated, April 30,1993
.(b)
C.P. Patel letter to D.L. Fararr dated May 24,1993 L
Dear Dr. Murley:
Quad Cities station submitted reference.(a) requesting NRC approval of a nor-code
. repair for a recirculation system pipe flaw. Reference (b) granted that approval and j:
requested that Quad Cities report the following information 90 days after the completion of L
the Quad Cities Unit 2 outage:
The effect of shrinkage on the piping system, including pipe supports and whip restraints, an evaluation of the increase of dead weight and stiffness resulting from the 4
overlay to be in conformance with the supplement to the GL and The as-built thickness and delta ferrite content of the overlay.
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Dr. T.E. Murley August 27,1993 l
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i The attach document (specifically Section 5.3) addresses the requested information.
if there are any additional questions concerning this document, please contact this office.
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i Sincerely,
\\
f Op Wayne E. Morgan Nuclear Licensing Administrator j
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cc:
J.B. Martin, Regional Administrator - Rlli C.P. Patel, Project Manager - NRR i
T.E. Taylor,. Senior Resident inspector - Quad Cities R.A. Hermann - NRR Office of Nuclear Facility Safety - IDNS l
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/ 1400 Opus Place Downers Grove, Illinois 60515 1
August 27,1993 t
Dr. Thomas E. Murley, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC 20555 i
Attn: Document Control Desk
Subject:
Additional requested information concerning the Intergranular Stress Corrosion Cracking (IGSCC) weld overlay repair of a recirculation system riser for Quad Cities Station, Unit 2.
i References (s):
(a)
J.E. Schrage letter to T.E. Murley dated, April 30,1993 (b)
C.P. Patel letter to D.L. Fararr dated May 24,1993 i
[
Dear Dr. Murley:
i
~ Quad Cities station submitted reference (a) requesting NRC approval of a non-code repair for a recirculation system pipe flaw. Reference (b) granted that approval and requested that Quad Cities report the following information 90 days after the completion of the Quad Cities Unit 2 outage:
The effect of shrinkage on the piping system, including pipe supports and whip restraints,
/
an evaluation of the increase of dead weight and stiffness resulting from the overlay to be in conformance with the supplement to the GL and The as-built thickness and delta ferrite content of the overlay.
i i
k:/nla/ quad /nre/1
i j
l 4
)
i 1
Dr. T.E Murley August 27,1993 1
l l
The attach docum ent (specifically Section 5.3) addresses the requested information.
4 If there are any additional questions concerning this document, please contact this office.
{
'i Sincerely.
j l
4
>^
Wayne E. Morgan Nuclear Licensing Administrator
\\
WEM/gp i
cc:
J.B. Martin, Regional Administrator - Rill i
C.P. Patel, Project Manager - NRR T.E. Taylor, Senior Resident inspector - Quad Cities R.A. Hermann - NRR Office of Nuclear Facility Safety - IDNS I
i a
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i k:/nla/ quad /ntc/2 1
EVALUATION AND DISPOSITION OF IGSCC-SUSCEPTIBLE WELDMENTS AT QUAD CITIES NUCLEAR POWER STATION UNIT 2 1993 OUTAGE
@ PACIFIC NUELEAR.
-.