ML19247B074
| ML19247B074 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 05/25/1979 |
| From: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML19247B071 | List: |
| References | |
| 50-454-79-08, 50-454-79-8, 50-455-79-08, 50-455-79-8, NUDOCS 7908070138 | |
| Download: ML19247B074 (2) | |
Text
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Appardix A NOTICE OF VIOLATION Commonwealth Edison Company Docket No. 50-454 Docket No. 50-455 Based on the inspection conducted on May 8-9, 1979, it appears that certain of your activities were in noncompliance with NRC requirements, as noted below. This item is an infraction.
10 CFR 50, Appendix B, Criterion XIII, states, in part, that " Measures shall be established to control the handling, storage, shipping, cleaning and preservation of material and equipment.
to prevent damage or deterioration." Byron Topical Report No. CE-1-A, Revision 5, commits Commonwealth Edison to the requirements of WASH 1309,
" Guidance on Quality Assurance Requirements during the Construction Phase of Nuclear Power Plants," and through WASH 1309 to the require-ments of Regulatory Guide 1.38/ ANSI N45.2.2.
ANSI N45.2.2, Section 3.5.1, states, in part, " Caps and plugs shall be used
. to protect threads and weld end preparations." Section 6.4.2 of ANSI N45.2.2 states, in part, " Covers removed for internal access at any time for any reason shall be immediately replaced and resealed after completion of the purpose for removal." Section 6.2.2 of ANSI N45.2.2 states, in part, " Cleanliness and good house-keeping practices shall be enforced at all times
." Section 6.5 of ANSI N45.2.2 states, in part, " Items released from storage and placed in their final locations wichin the power plant shall be inspected and cared for in accordance with the requirements of Section 6 of this standard Contrary to the above, on May 8-9, 1979, the inspectors observed the following:
The end caps on fourteen instrumentation thimbles on the Unit I a.
reactor vessel bottom head were found to be torn open; the weld preps on two of the thimbles were completely exposed.
b.
A coating of an oily substance was observed on the bottom end side of the reactor vessel exterior, extending upward between the reactor vessel and the surrounding reflective insulation.
79 807033 425 229
Appendix A c.
Oily dirt, dirty rags and other debris were observed on the lower core support plate, the flow mixer plate, the lower thimble guide t,be support plate and the thimble guide tubes, all parts of the Unit I reactor internals.
d.
A number of main coolant piping nozzles on reactor coolant loops No. 1 and 3 were open, with the weld prep areas unpro-tected from possible damage.
The reactor coolant loop No. I mala coolant pump volute was e.
open, and 17 of the 24 motor-to-volute threaded bol'. holes were uncovered and unprotected from possible damage.
f.
The steam generator manway hatches on reactor coolant loops No.
I and 3 were open to the atmosphere, although there was no work in progress which required the hatches to be open.
Failure to provide adequate storage, cleaning, and preservation of equipment was cited previously as a noncompliance in IE In:pection Report No. 50-454/79-06; 50-455/79-06 (Item No. 454/79-06-01; 455/79-06-01).
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