ML20238D781

Notice of Violation from Insp on 870605-0707.Violations Noted:Cap type,in-line Splice Connectors Used to Splice Wires Inside Junction/Outlet Boxes & to Terminate Instruments & Limit Switches on All Water Chiller Units

ML20238D781
Person / Time
Site:	Comanche Peak
Issue date:	09/02/1987
From:	NRC OFFICE OF SPECIAL PROJECTS
To:
Shared Package
ML20238D763	List: IR 05000445/1987011 ML20238D761 ML20238D781
References
50-445-87-11, 50-446-87-09, 50-446-87-9, NUDOCS 8709110391
Download: ML20238D781 (2)

Text

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d APPENDIX A NOTICE OF VIOLATION TU Electric Dockets: 50-445/87-11 50-446/87-09 Comanche Peak Steam Electric Station, Permits: CPPR-126 Units 1 and 2 CPPR-127

, During an NRC inspection conducted on June 5 through July 7, 1987,  !

l in accordance with the " General Statement of Policy and Procedure for NRC Enforcement Actions," 10 CFR Part 2, Appendix C.(1987), the following violation was identified:

Criterion V of Appendix B to 10 CFR Part 50, as implemented by Section 5.0, Revision 3, dated July 31, 1984, of the TU Electric Quality Assurance Plan, requires that activities affecting quality shall be prescribed by and accomplished in accordance with documented instructions, procedures, or drawings of a type appropriate to the circumstances. j section 3.7.6.1.1.b of TU Electric. Specification 2323-MS-80B, Revision 0, dated May 17, 1976, states, in part, with respect to safety-related water chillers, ". . . Splicing of wiring i connections or use of common wire nuts is forbidden."

Section 3.7.6.2.a of the above specification states, in part, 1

. . . All control and instrumentation wiring shall be brought to {

terminal blocks mounted within NEMA 12 boxes in accordance with j NEMA standards. . . .

contrary to the above, the NRC inspector identified the following:

1. Cap type, inline splice connectors were used to splice wires inside junction / outlet boxes and to terminate instruments and limit switches on all four of the safety-related water chiller units, CP1-CHCICE-05 and -06 and CP2-CHCICE-05 and -06.

2. A cap type, inline splice was installed on wire #110 between a relay and terminal strip inside the control panel mounted on chiller unit CP1-CHCICE-06. This splice was located inside a wiring trough.

3. One of the auxiliary oil pump motor leads was found terminated I using a twist-on wire nut on chiller unit CP2-CHCICE-06.

This is a Severity Level IV violation (Supplement II) l (445/8711-V-02; 446/8709-V-02).

8709110391 87090A PDR ADOCK 05000445 G PDR

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l Pursuant to the provisions of 10 CFR 2.201, TU Electric is hereby required to submit to this office, within 30 days of the date of the letter transmitting this Notice, a written statement or explanation in reply, including: (1) the reasons for the violation if admitted, (2) the corrective steps which have been taken and the results achieved, (3) the corrective steps which will be taken to avoid further violations, and (4) the date when full compliance i will be achieved. Where good cause is shown, consideration will be given to extending your response time.

Dated at Comanche Peak site, Glen Rose, Texas this 2nd day of September, 1987 l

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