IR 05000358/1979033
| ML19257C401 | |
| Person / Time | |
|---|---|
| Site: | Zimmer |
| Issue date: | 12/19/1979 |
| From: | Danielson D, Livermore H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML19257C397 | List: |
| References | |
| 50-358-79-33, NUDOCS 8001290059 | |
| Download: ML19257C401 (6) | |
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U.S. NUCLEAR REGULATORY COMMISSION
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OFFICE OF INSPECTION AND ENFORCEMENT
REGION III
Report No. 50-358/79-33 Docket No. 50-358 License No. CPPR-88 Licensee:
Cincinnati Gas and Electric Company 139 East 4th Street Cincinnati, OH 45201 Facility Name:
Wm. H. Zimmer Nuclear Power Plant Inspection At:
Zimmer Site, Moscow, Ohio Inspection Conducted: November 13-16, 1979 M%
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Inspector:
H. H. Livermore B794LOh-
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Approved By.
D. H. Danielson, Chief
/B//f/79 Engineering Support Section 2
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Inspection Summary Inspection on November 13-16, 1979 (Report No. 50-358/79-33)
Areas Inspected: Observation of work in the suppression pool and fuel storage area; review of previously identified items of noncompliance and unresolved matters. The inspection involved 17 inspector-hours onsite by one NRC inspector.
Results: No items of noncompliance or deviations were identified.
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DETAILS
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Persons Contacted Principal Licensee Employees
- J. R. Schott, CGE Station Superintendent
- B. K. Culver, Site Project Manager
- W. W. Schwiers, Quality Assurance Manager
- J. T. Veissenberg, Quality Assurance and Standards Engineer
- R. P. Ehas, Quality Assurance and Standards Engineer
- D. C. Kramer, Quality Assurance and Standards Engineer
- J. J. Vald, Operations Station Quality Engineer Other Personnel
- K. R. Baumgarten, QA - HJK
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H. C. Brinkman, Mechanical Engineer - CG&E J. Plue, Nuclear Engineering Services M. Helton, Shift Supervisor, CG&E M. Niswander, Health Physics, CG&E B. A. Gott, Construction Engineer, CG&E K. Shintle, Quality Engineer, HJK S. Heath, Inspection Supervisor, HJK A. Sellars, NDE, Peabody T. Bertolini, Field Engineer, Sargent & Lundy H. Chappel, Cincinnati Channel 9 News Other personnel of Cincinnati Gas & Electric Company (CG&E), H. J. Kaiser, and const.ruction personnel were contacted during the inspection.
- Denotes those attending the exit interview.
Licensee Action on Previous Inspection Findings (Closed) Noncompliance (358/79-15-05): The quality of grout material had not been established. The licensee has provided information Letter (fQA-1199 pre-senting grout certifications by lot number, dates, and purchase order numbers.
Subject letter was sent to NRC Region III on September 10, 1979.
Action taken is satisfactory.
(Closed) Unresolved Item (358/79-15-15):
Inadequate review and disposition of nonconformances on suppression pool material. The licensee has provided a satisfactory explanation of each subject nonconformance.
Satisfactory dis-positions and corrective actions were presented by Letters #KC-13394-Q and KC-13347-Q. Action taken is satisfactory.
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(Closed) Unresolve' Item (358/79-27-02):
The licensee had failed to perform
an audit on the construction handling equipment control and load test program.
A detailed audit #276 was performed by the licensee on September 28, 1979.
In response, the constructor revised procedures and took appropriate corrective action per Letter KC-13459-Q of November 5, 1979. Action taken is satisfactory.
Lice-ee Action on IE Bulletins Licensee Action on IE Bulletin 79-03 The licensee action is complete.
CG&E has notified ERC Region III by Lettets dated May 15 and June 4, 1979, that fusion welded pipe (without filler metal) as manufactured by Youngstown Welding & Engineering Company has not been furnished to the Zimmer Project. The letter also includes the same varification from General Electric and Pullman Power Ptsducts.
Licensee Action on IE Bulletin 79-04
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The licensee action is complete. A letter to NRC Region III on May 29, 1919 states that there are no valves of tne referenced type imed in Category I piping systems at Zimmer Unit 1.
Functional or Program Areas Inspected 1.
Observation of New Fuel Storage Area The inspector made formal entry through Security to the 627' level floor of the Reactor Building.
Ents.y through Security was by pre-arranged clearance through Operations. Clean garments were donned and all loose articles necessary to be carried inside were recorded by security personnel. The fuel bundles were stored in the Dry Fuel Pool, the top of which was covered by plastic sheeting.
The perimeter of the Fuel Pool was roped off as a Radiation Controlled Area; to which entry would require a Radiation Work Permit. The floor area around the Fuel Pool was clean and clear of equipmeat. No equipment or work was overhead.
Radiation Control surveillance around the perimeter of the Fuel Pool was performed weekly, and records indicated a maximum of lees than.2 mrem /hr. The last in-pool surveillance was October 9 and indi-cated less than.7 mrem /hr. The inspector performed a surveillance of the water entries to the 627' level floor to insure valve closure and exit lines capped.
Per tag-out 791146, the dual exits to all four fire mains were capped and valved off. The two emergency service water supply valves were shut and the exit ends capped off. The single hot water drain valve was shut and the end uncapped. The station quality engineer took action to have the end line capped. Due to inaccessibility, the inspector was unable to visually insure the closed position of the Fuel Pool water recirculation cooling valves, although they were noted closed on the control room master tag-out sheet (switching order). The inspector recommended that Quality Control perform a random audit on these valves
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and visually check compliance.
The station quality engineer noted to take action on this item. The inspector indicated to the station quality engineer that there was no regular periodic surveillance of the fuel bundles stored in the Dry Fuel Pool.
Surveillance was only performed when someone had a need to enter.
In light of the past problems of fuel sabotage at Surry Power Plant in Virginia, and the recent fuel damage rumor at Zimmer, the inspector considers it a necessity that a regular periodic controlled visual surveillance be performed and recorded on the fuel bundles inside the Dry Fuel Pool.
This action would also put radi-ation control surveillance in the Fuel Pool on a periodic routine basis.
Per a telecon of November 20, 1979, Mr. W. Schwiers, QA Manager, has indi-cated that the licensee has taken voluntary action to satisfy the afore-mentioned recommendation. This is considered an unresolved item (358/79-33-01).
2.
Observation of Reactor Suppression Pool
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The inspector performed a walk through surveillance of the reactor suppression pool modification activity.
The area was rea unably clean and free of debris. The 474' floor level plate installation work was almost complete. Two of the thin plate installations were delayed due to pipe installation interference.
The side wall plate installation work was approximately 50% complete and in various stages of activity. The top and bottom row installations were almost complete, and the center row embedment cutouts complete and welding in progress. Visual, LP, and ITi of completed welds has been finished by Peabody NDE. Some leak testing is complete and most pretensioning of bolts is finished.
The inspector reviewed the six basic design drawings of the suppression pool modification (S401, S406, S458, S459, S468, and S469).
All drawings had recently been revised incorporating outstanding design document changes (DDC). Very few DDCs are outstanding at this time. The licensee has been monitoring this effort closely.
The inspector reviewed each drawing for the presence of a completed CG&E QA Audit Review stamp.
The stamps were present and signed off as required by CG&E document 03-QAS-01, indicating a completed desigr. quality review of the consulting engineering drawings The inspector reviewed CG&E procedures 03-QAS-01, revision 1 and 03-QAS-Os, revision 1, S&L Design Drawing review by CG&E QA and Engineering, respec-tively.
Both procedures appeared to have all the necessary essentials for a satisfactory design review, with one exception. There was a lack of notes or records of what was actually accomplished during the Engi-neering design review of the six subject drawings. The licensee to a action to look into this area. The inspector reviewed the suppression pool floor and wall plate documentation in regard to control of cut rebar during plate installation. The plate installation drawings require that sketches of rebar contacts, and related bolt hole locations, be forwarded to the consulting engineers home office.
The Reinforcement Document Report (RDR) appeared satisfactory in that it has reported the foregoing information since July 15, 1979.
Information prior to that-4-
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time was provided via Kaiser Fom KEI #182.
During the review of the
floor plate documentation, the inspector noted that cut rebar assc:iated with plate MK 2A and MK 2B installations had not been dispositioned completely. The drawing requirements (Note 12) state that rebar cuts greater than 1/8" be dispositioned by the Consulting Engineers home office prior to proceeding with grouting operation.
Cut rebar during the aforementioned plate installations fell in this Cateo,ory, yet the grout operation has been completed. A KEI 182 Memo war sent to Sargent & Lundy on July 12, 1979 requesting disposition whether to use-as-is or repair. No response was received at Zimmer.
Discussion with the licensee and the consulting engineer revealed that the afore-mentioned drawing requirement was not intended to include the subje c two plates as they are not structurally the same in purpose and intent as the 13 tee quencher floor plates. The inspector noted that a design drawing change should be completed forthwith. The licensee took volun-tary action. This is considered an unresolved item (358/79-33-02).
No items of noncompliance or deviations were idehtified.
3.
Review of Contractor QC Qualifications The inspector performed a review of the Kaiser contractor QA qualifi-cations. The personnel involved (2) were from Butler Company contracted to Kaiser (constructor) to perform Quality Control functions on the suppression pool modification. The following were reviewed:
- employer certifications
- educ tion applicability
- experience
- training
- tests (examinations)
periodic review The aforementioned aview appeared to satisfy the requirements of ANSI N45.2.6.
No items of noncompliance or deviations were identified.
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Other Area of Inspection Activity On the morning of the exit interview, the Inspector was contacted by H. Chappel of Cincinnati Channel 9 News and requested to comment on the rumor that some fuel had been dropped or dr.maged at Zimmer. As a result, the inspector personally asked each licensee member at the exit interview if he had any knowledge or information regarding any dropping, bumping, damage to, or spilling of new fuel at Zimmer. All responses were negative. At a later day interview on TV, the inspector noted this information to Ms. Chappel and also discussed his surveillance inspection at Zimmer. The inspector also noted that as a result of the aforementioned rumor, Mr. F. Maura of NRC Operations RIII was scheduled to perform a fuel accountability inpsection that afternoon (November 16, 1979).
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Unresolved Items
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Unresolved items are matters about which more information is required in order to ascertain whether they are acceptable items, items of noncompliance, or deviations.
Unresolved items disclosed during the inspection are discussed in paragraphs 1 and 2.
Exit Interview The inspector met with licensee representatives (denoted in the Persons Contacted paragraph) at the conclusion of the inspection of November 16, 1979.
The inspector summarized the scope and findings of the inspection. The licen-see acknowledged the statements by the inspector regarding the unresolved items as follows:
1.
Action has been taken to revise the Suppression Chamber Floor Plate Drawing in regard to method of approval for nicked rebar associated with installation of Plates MK-2A thru 2D.
2.
Action has been taken to establish a program of regular periodic sur-veillance of the new fuel bundles stored in the Reactor Building Dry Fuel Pool.