ML20247M391

Forwards Safety Evaluation Concluding That Util Successfully Demonstrated That Sufficient Similarity Exists Between Plant Okonite Taped Splice Configuration & Previously Qualified Splice.Salp Input Also Encl

ML20247M391
Person / Time
Site:	Hatch
Issue date:	08/29/1989
From:	Newberry S Office of Nuclear Reactor Regulation
To:	Matthews D Office of Nuclear Reactor Regulation
Shared Package
ML20247M396	List: ML20247M391 ML20248C223 ML20248F979
References
TAC-69195, NUDOCS 8909250204
Download: ML20247M391 (2)

Text

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AUG 2 91939 Docket Nos 50-321 and 50-366 MEMORANDUM FOR: David B. Matthews, Director 1 Project Directorate 11-3  !

Division of Reactor Projects - I/II FROM: Scott Newberry, Chief  ;

Instrumentation & Control Systems Branch  ;

Division of Systems Technology

SUBJECT:

REQUEST FOR TECHNICAL ASSISTANCE IN THE EVALUATION OF CFCI'GIA POWER COMPANY'S METHODOLOGY FOR QUALIFYING TAPED CABLE SPLICES FOR USE IN INSTRUMENT CIRCUITS AT PLANT HATCH UNITS 1 AND 2. (TAC #69195)

REFERENCE:

Memorandum from A. F. Gibson (RII) to Gus Lainas (NRR) dated August 17, 1988 Plant Name: E. I. Hatch Nuclear Plant Units 1 and 2 Utility: Georgia Power Company Licensing Status: OR Responsible PD: II-3 Project Manager: L. Crocker Review Status: Complete In response to RII's request for assistance in evaluating the qualification of the subject cable splice, the Instrumentation and Control Systems Branch (SICB) has completed its review and evaluation of the submitted documentation related to this issue. The documentation includes a licensee " Summary Evaluation Report (SER) and an attachment identified as " Environmental Qualification Report Evaluation Checklist" (EQRE). The licensee has provided i details on the methodology which was used to qualify taped cable splices as j replacement electrical connections for terminal blocks in several i

selected low-voltage transmitter measuring circuits at Plant Hatch Units 1 and '

2. The measuring circuits in question are all located outside primary containment of these power plants.

SICB's review of the licensee submittal finds that it has been successfully demonstrated that sufficient similarity exists between the subject Plant Hatch OKonite taped splice configuration and the previously qualified (by test) (

splice. Additionally, the licensee has also demonstrated (by analysis) that  !

the subject cable splices will prevent moisture from intruding within the associated i electrical connections for the application and service intended at Plant Hatch.

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Contact:

V. Thomas (SICB/ DST), x20786 MhhNN

9 David B. Matthews On the basis of these review findings, SICB concludes that the replacement cable splice is an acceptable electrical connection for the applications specified in both the licensee submittal and the reference memorandum from RII. .

SICB's evaluation to support the above findings is enclosed. Also attached'as Enclosure 2, is the SALP input which is based on the development of this SER.

, w_ .

S ott Newberry, Chief Instrumentation & Contro Systems Branch Division of Systems Technology

Enclosures:

As stated cc w/ enclosures:

R. Wilson,NRR(RVIB)

H. Walker, NRR (SPLB) .

L. Crocker. NRR (PD23),

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