ML20100F022
| ML20100F022 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 10/22/1984 |
| From: | Farrar D COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20100E972 | List: |
| References | |
| 9359N, NUDOCS 8412060436 | |
| Download: ML20100F022 (3) | |
Text
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~] Addr;ss Reply tz: Post Offica Box 767
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/ Chicago, Illinois 60690 October 22, 1984
-Mr. James G. Keppler Regional Administrator Region III~
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S.. Nuclear Regulatory Commission 799-Roosevelt Road Glen Ellyn, Il 60137-Sub ject:
Braidwood Station Units 1 and 2 Response to Inspection Reports Nos.
50-456/84-09 and 50-457/84-09 NRC Docket Nos. 50-456 and 50-457 Reference (a):
R. F. Warnick letter to Cordell Reed dated July 2, 1984 (b):
D. L. Farrar letter to J. G. Keppler dated July 31, 1984 (c):
R. F. Warnick letter to Cordell Reed dated August 15, 1984
Dear Mr. Keppler:
This letter is provided in response to the Reference (c) letter which documented NRC's understanding of our Reference (b) response to the subject Inspection Report transmitted with Reference (a).
The attachment to this' letter provides clarification to three points where we believe our response may not have clearly conveyed the-actions we intend to take.
Should you or your staff have any questions regarding this matter please contact this office.
Very uly yours O I
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D. L. Farrar Director of Nuclear Licensing Attachment cc:
NRC Resident Inspector Braidwood l
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. CLARIFICATION'0F REPSONSE TO' q
INSPECTION REPORT 50-456/84-09-'AND 50-457/84-09
- -Following ar's.three points.from-thelReference (c) NRC review of our 1 Reference E(b)~ response ?to the sub ject 1 Inspection. Report.
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... qualitative and quantitative clearance. criteria
-established for large bore piping, HVAC, and existing criteria for small bore piping willfalso be applied to' the-electrica1' contractor, as electrical installations.
may occur after piping and-HVAC installations."
Clarificaton
. Clearance guidelines have been added to the electrical,Las well'as the other Mechanical, HVAC, and Structural contractor installation specifications.
However, these guidelines are not! identical to the-existing small bore' piping criteria.
The clearance guidelines 1for these installation specifications cover the items' outlined in the1 original response to the Inspection Report and are consistent with each other.
In addition, there are: unique electrical separation criteria which will remain in effect.
...-measures haveLbeen established to perform
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inspections for'both past and future contractor installations."
Clar'ification
'The clearance guidelines issued to the contractors-cover future'insta11ations only and have not been'
. imposed on past installations.
Past installations will be. covered in the final area walkdowns and hot
.linewalks, as' discussed'in the inspection report response and-item' number 3, below.
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..:your final area walkdown by Sargent & Lundy will include a 100% inspection of all discipline m
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_ component installations, Clarification "i
The final area walkdowns and/or hot linewalks are not intended to.be an absolute 100% inspecton of each and every component: installation.
Rather, these
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, walkdowns, similar~to those performed at Byron, are intended to inspect those components which cannot be
. generically dispositicned or have special operational or
-functional requirements.
The final area walkdowns may or
.may not be done bv Sargent & Lundy personnel depending on manpower availability and qualification requirements.
!However, they will be done in accordance with Sargent &
Lundy project' instructions.
Again, we would like to state that our experience from area walkdowns:-and hot linewalks.at both Byron and LaSalle Stations
. indicate that interferences or close contact points have not been a major problem.
Our commitment to begin~ final area walkdowns at least six months-prior to fuel load gives us more than enough time to complete the required inspect.'.ons.
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