IR 05000416/1986028

Insp Rept 50-416/86-28 on 860915-19.No Violation or Deviation Noted.Major Areas Inspected:Pipe Support Baseplate Designs Using Concrete Expansion Anchor Bolts (IE Bulletin 79-02) & Seismic Analysis for as-built Piping Sys

ML20197A827
Person / Time
Site:	Grand Gulf
Issue date:	10/21/1986
From:	Blake J, Vias S NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:
Shared Package
ML20197A817	List: IR 05000416/1986028 ML20197A813
References
50-416-86-28, IEB-79-02, IEB-79-14, IEB-79-2, NUDOCS 8610270403
Download: ML20197A827 (6)

Text

I

.

UNITED STATES j

f p E f roq'o

NUCLEAR REGULATORY COMMISSION

[' n - REGloN li g j 101 MARIETTA STREET. * * ATLANTA, GEORGI A 30323 nY

'

s

.....

Report No.: 50-416/86-28 Licensee: Mississippi Power and Light Company Jackson, MS 39205 Docket No.: 50-416 License No.: NPF-29 Facility Name: Grand Gulf Inspection Conducted: September 15-19, 1986 Inspector: \ 8D 10}2eNG Date Signed Approved by: . - /0 / 6

~J J Blake, Section Chief Date Signed g neering Branch i ision ~of- Reactor Safety

, -

SUMMARY

'

. <

. , ,

~

Scope: ThisEroutine,~ unannounced inspection on site in the areas of pipe support baseplate ' designs using' concrete , expansion anchor bolts (IEB 79-02), seismic analysis for 'as-built safety-related piping * systems (IEB 79-14), inspector followup item, snubber ! surveillance / testing program, and License Condition

_

2.c.(7).

Results: NoviolationsordeviationswNreidentifie '

-

.

'

8610270403 861023 PDR ADOCK 05000416 G PDR

.

.

REPORT DETAILS Persons Contacted Licensee Employees

• E. Cross, Site Director

• C. R. Hutchinson, General Manager

• R. F. Rogers, Unit 1 Plant Manager

• L. F. Daughtery, Compliance Superintendent

• W. C. Eiff, Principal Quality Engineer

• J. D. Bailey, Compliance Coordinator

• D. G. Cupstid, Technical Support Superintendent Other licensee employees contacted included construction craftsmen, engineers, technicians, mechanics, QC inspectors, and office personne NRC Resident Inspectors

• C. Butcher, Senior Resident Inspector

. F. Smith, Resident Inspector

• Attended exit interview Exit Interview The inspection scope and findings were summarized on' September 19, 1986, with those persons indicated'in paragraph 1 above. The inspector described the areas inspected and discussed in detail the inspection findings. No dissenting comments were received from the licensee. The following new items were identified during this inspectio Inspector Followup Item 50-416/86-28-01, Triaxial Strong Motion Accelerometers Modifications , paragraph The licensee did not identify as proprietary any of the materials provided to or reviewed by the inspector during this inspectio .- Licensee Action on Previous Enforcement Matters (25529) (Closed) Unresolved Item 416/82-52-01, Piping Analysis Seismic Response Spectra. This item involved an error in the enveloping of seismic response spectra'for 2% SSE curves for elevation 161.83 of Containment and Drywell. The error was caused by an error in the transposition of the Bechtel generated response curves to numerical tables for computer input. The inspector reviewed audit notes from RCI meeting, dated

___

.

July 27, 1982, listing the action items required to resolve this ite Also reviewed was the letter from MP&L to BPC, dated July 28, 1982, detailing a Corrective Action Request (CAR) 626, initiated July 28, 1982, to implement the corrective actio A letter, dated September 28, 1982, from BPC to MP&L verifies completion of CAR'626. The final letter reviewed was a letter from MP&L to BPC closing CAR 626, which completes the action items required to close the Unresolved (UNR) item. This item is considered close (Closed) Unresolved Item 416/82-52-02, Pipe Support Analysis and Inspection Records. This item involved the completion of the licensee's commitment to perform a 100 percent walkdown of CRD pipe supports and restraints. The inspector reviewed a letter from BPC to MP&L, dated September 28, 1986, which transmitted verification of the completion of CAR 626, which was used to perform this corrective actio The letters reviewed in the above Unresolved Item 416/82-52-01, also pertain to this unresolved ite This item is considered close . Unresolved Items Unresolved items were not identified during the inspectio . (Closed) IE Bulletin 79-02, Pipe Support Baseplate Designs Using Concrete Expansion Anchor Bolts (25528) Document Review The inspector reviewed the following documents to determine whether the IE Bulletin 79-02 requirements have been adequately addressed and implemented. The review of procedures, specifications, and field inspections have been documented in previous inspection report Letter MP&L to NRC, dated January 9,1980, stating completion of l their revie MP&L memo, dated March 6, 1981, stating no further action is planne MP&L Safety Evaluation Report, dated September 1981, paragraph 3.9.3, which stated that the NRC "... finds the applicant's procedures for design of component supports acceptable" in reference to IE Bulletin 79-0 MP&L memo dated March 22, 1982, stating that the IE Bulletin 79-02 is close _ _ _ _ _ _ _ _

v

.

.

-

Parameter Report IE-140, dated December 13, 1985, giving status of closecut for IE Bulletin 79-02, shows concerns that needs to be reviewe Bulletin Closure The inspector has reviewed MP&L correspondence and determined that _the requested actions of the bulletin have been acceptably addressed. The inspector held discussions with licensee's representatives regarding the implementation of the NRC requirements and the licensee commitments, reviewed the aforementioned supporting documentation to verify that the actions identified in the responses have been completed. This bulletin is considered close . (Closed) IE Bulletin 79-14, Seismic Analysis for As-Built Safety-Related Piping Systems (25529) Document Review The inspector reviewed the following documents associated with the Bulletin 79-14 requirements and the licensee commitments to determine whether they have been adequately addressed and implemented. .The review of procedures, specifications, and field inspections have been documented in previous inspection report IE Bulletin 79-14, Implementat'on Procedure,

'

Procedure No. 9645-SG-1, Revision Criteria for Hanger Installation, 9645-MS-16, Revision 2 Quality- Control Instruction 0715T, Piping Inspection Activities, Instruction 0715T, Revision Letter BPC to MP&L, dated April 3, 1984, stating closure of outstanding open items pending for IE Bulletin 79-1 Parameter Report IE-142, dated December 13, 1985, giving status of closecut for IE Bulletin 79-14, shows area of concern Bulletin Closure This inspector has reviewed the above documentation and the documentation in reference to the closure of UNR 82-52-01 and UNR 82-52-01, reviewed in above paragraphs 3a and 3b and determined that the requested actions of the bulletin have been acceptably addresse The inspector held discussions with licensee's representatives regarding the implementation of the NRC requirements and the licensee commitments, and reviewed the aforementioned supporting documentation to verify that the actions identified in the response have been complete This bulletin is considered closed. . - - _ _ _ __

'

.

,

4 IE Bulletin 79-07, Seismic Stress Analysis of Safety-Related Piping Document Review The inspector reviewed the following documents to determine whether the IE Bulletin 79-07 requirements have been adequately addressed and implemente Parameter Report IE-141, dated January 1985, stating that the IE Bulletin 79-07 is closed for Unit Letter MP&L to NRC, dated July 13, 1979, forwarding a complete and final response to the IE Bulletin 79-0 Bulletin Closure The inspector has reviewed the above documents and determined that the requested actions of the bulletin have been acceptably addressed. This Bulletin is considered closed for the purposes of the Regional Inspection Programs. The Parameter Report IE-141, pertains to the status and closure of the Bulletin 79-07 for NRR evaluation This Bulletin is considered close . Snubber Surveillance Program (70370)

The inspector examined procedures and viewed a snubber testing related to be snubber surveillance program. Acceptance criteria utilized by the-inspector appear in Technical Specification 3/4. Reviewed Snubber Surveillance Program The inspector examined the following procedure / instruction which controls surveillance and testing of snubber General Maintenance Instruction, Operator of Berger Paterson 25000

'

MK IV Snubber Test Stand-Safety Related, 07-S-14-320, Revision 1,

,

dated February 6, 1986.

Snubber Testing Activities The inspector witnessed the testing of the following snubber using the Guidelines listed in the above instruction / procedur Snubber Q1B33G006S370B Serial No. - 119 Size - SSA-50k The above snubber tested within the allowable ranges for all values teste Within the areas inspected, no violations or deviations were identifie .

.

.

5 Plant Modifications - License Condition 2.c(7)

Operating License Section 2.c(7) addressed concerns described in the Safety Evaluation Report required installation of triaxial strong motion accelerometers (SMA) on reactor support The inspector examined the licensee's Design Change Package (DCP), number 81/5018, Revision 1, approved June 13, 1986, to verify that the required modifications were in accordance with the license condition and other regulatory requirement During the inspection covered in this NRC report, the licensee's work on the Triaxial SMAs was still in progres The licensee's completion of this license condition will be verified in subsequent inspections and is identified as Inspector Followup Item 416/86-28-01, Triaxial Strong Motion Accelerometers Modification Within the areas examined, no violations or deviations were identifie s

'

l

,

i