IR 05000320/1974003
| ML19220B174 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 06/04/1974 |
| From: | Tillou J, Varela A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | |
| Shared Package | |
| ML19220B163 | List: |
| References | |
| 50-320-74-03, 50-320-74-3, NUDOCS 7904250494 | |
| Download: ML19220B174 (7) | |
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U. S. ATC.'!IC E!?CRGY CC:2!ISSIO::
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DIRECTORATE OF REGULATORY OPERATIO:;S RECIO; I spect M -
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50-320/74-03
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militan Zdison Cor:pany
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3CL320
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February 20-28, 1974
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ReportiDb A. A. Varela, Reactor Inspector
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RevieWd BY
- 11. Tillou, Senior Reactor Inspector
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SU' NARY OF F]NDINGS Enforcement Act ion Uone
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Licensee Action on Previously Identifiad Enforcement Action Actions taken by licensee in response to the enforcement action in RO Report 5D-320/74-01 were exa=ined.
Docu entation on the containment liner penetrationr, was found properly collated, retrievable and trace-able to specific iters.
(Details, Paragraph 6)
Desien Chances Not incpected
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Unusual Occurrences None
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Other Sienificant Findines
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A.
Current Findines,
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1.
An inspection was cade and documentation was examined of procured cc=ponents.and equipment in the decay heat re=cval and the decay heat closed-cooling systems.
The only deficiency identified was an incorrect ASDI designation for caterial tabulation in the FSAR.
(Details, Paragraph 4)
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2.
Concrete batching, plating, testing, curing end quality control functions were inspected on the containment building ring girder
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with no deficiencies identified.
(Details, Paragraph 3)
3.
Status of Previousiv Reported Unresolved Items Resolution of the containment building dome liner's spherical out-of-tolerance, reported in R0 Report 5D-320/74-01, was reviewed. Modifi-cations to the dome liner have been approved by the deficiency review board composed of licensee, A-E and constructor.
(Details, Paragraph 5)
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Management Interview The canagement interview was held at the site on afternoon of May 17, 1974.
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, lesistant to Ecsident Civil Engineer U. T. C- -, Site lianager P. A. Lc.-ir.e, QA Auditor W. S. Shcrherd, P oj ect Engineer 11. J. S t-rrb erg, Site Auditor
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J. E. Uricht, QA 11anager J. H. Wri,tht, Resident Civil Eagineer ELR T. R. Eleck, QAE, Lead T. Uright, QAE, Civil
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V. E. Cichocki, QA/QC Coordinating Superintendent P.
C. Lc bert, QC Field Supervisor
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R. L.11awkins, Construction Coordinator K.11. liason, Job Engineer J. F. Artuso, Pittsburgh Testing Laboratory Vice President The itc. discussed are sumarized belou. In each case the licensee acknowledged the information..
A.
Concrete Placement of Containment Buildine Fine Girder The inspector stated he made a preplacement inspection f or concreting the contain=ent building ring girder to verify the constructor's QC
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functions and, inspected the batching, delivery, placing, testing, consolidation and curing of concrete on two ring girder cuadrants.
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No apparent deficiencies were observed.
(Details, Paragraph 3)
i B.
Audit of Documentation and Insuection of Connonents for Decav Ecat Penoval and Closed-Cooline Systens The inspector staed he inspected the installed components and reviewed purchase, storage, installation records and material certificates on coolers, pumps and valves for the decay heat renoval and closed-cooling
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systems.
Uo apparent deficiencies were found.
(Details, Paragraphs 4.a.
b and c)
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DETAILS 1.
Pernons Contacted GT11SC D. M. Enyca, Ar cistant to Renident Civil Engineer W. T. Gunn, Site Manager P. A. Levine, QA Auditor W. S. Shepherd, Proj ec t Engineer
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M. J. Stromberg, Site Auditor C. L. Roshy, QA Auditor A. M. Salcido, QA.E
J. E. Uright, QA Manager
' i, Resident Engineer, Civil J. H. Uright,
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I T. R. Block, QAE Lead T.' Wright, QAE, Civil
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M. L. Eyers, OC Inspector, Mechanical V. E. Cichocki, QA/QC Coordinating Superintendent W. Gaskin, QC Batch Plant Inspector R. L. Hawkins, Construction Coordinator E. Hawley, Construction Engineer D. C. Lambert, QC Field Supervisor F. R. Long, QCE, Civil
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R. B. Mason, Job Engineer
N. Reit:1, QC Concrete Inspector J. Schmidt, QC Records J. F. Artuso, Pittsburgh Testing Laboratory, Vice President Pittsburgh Testing Laboratory QC Inspector T. Burne tt,
B. Ferguson, Pittsburgh Testing Laboratory QC Inspector Batch Plant Superintendent E. Swaby, flational Mobile, 2.
Construction P_racrcss_
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Construction progress on Unit No. 2 is estimated by licensee to be 50% complete.
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Cinnific..nt 1,. t a i ] r Dimerved i n Concre t e Placement of Contai cent
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Bui; ding Rior Git der a.
Desi nn Detail s Eenefi ting Concret e Tl acenent 1.
Dome tendons terminate radially through ring girder, thereby eliminating congestion at duct cross-over.
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2.
Done tendon bearing plates are perpindicular to ring girder haunch rather than boxed into outside face of ring girder.
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3.
Ring girder bearing plate trumpets are designed without
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spirals thus facilitating flow of fresh concrete and con-
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crete consolidation.
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4.
Ring girder construction joints are three f eet deep thus pr' iding visibility within forms and easy access for place-
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g cent and consolidation.
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Construction Details Eenefitine Plaennent of Concrete
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Withholding rebar and duct installation in upper half of ring girder until placement of lower half is ccmpleted.
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Two, diametrically opposite, cuadrants of ring girder, 3'
deep are placed each week.
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Placement practice used concrete pu=p and bucket.
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Spacing of pu=p and bucket discharge provided uniform distri-
. bution of concrete.
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Cocparative test samples of concrete taken at truck discharge
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and at ring girder.
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6.
Tight control of concrete consistency was provided at truck discharge station.
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7.
Coordination of batching and placing of ecucrete provided continuity for two 18" lifts.
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Green cutting o." concrete to expose aggregate at construction joints was undertaken before final set of concrete.
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Wet burlap on tcp of placement used to cure concrete.
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Decav llcat Renoval and Closed-Coolinr. System Cennonents a.
QC and construction procedures for procurement, receipt, st.orage, handling and installation of these mechanical components f or the decay heat re= oval and closed cooling syste=s were audited:
1.
Coolers DH-C-1A and DC-C-1A 2.
Pumps DH-F-1A and DC-P-1A 3.
Valves DH-V-lO3A and D'-V-8A The procedures appear to be adequate to implencnt the quality
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assurance prograc and criteria in Appendix E to 10 CFR 50.
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b.
Dourentary evidence was audited and evaluated for conferrance to requirements as expressed in the quality control program for the above co=ponents. These records appear to satisfy the quality
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control procedural require:ents for:
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Special shipping instructions
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Receipt inspections
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Installation inspections 4.
haterial and f abrication certifications, including conformance with chemical, physical, NDT, and, as required i the purchase order, other spicitied testing.
Physical inspection of the above components was made to identify c.
and correlate records to specific pieces of equipment, to observe installation status and, to verify monthly naintenance where required.
No deficiencies were observed.
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d.
Decay heat closed cooling heat exchanger DC-C-1A is listed in the FSAR tabulation as having shell material AS!M B515 Grade 70.
How-ever purchase specifications and material certificates correctly identifying the shell material, ASTM ASIS Grade 70.
This incon-sistency in the FSAR was accepted by licensee who, at manage =ent interview, replied that an audit sculd be conducted of the FSAR tables in ensure consistency with the applicable specifications.
This is an unresolved ites.
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5. - Containment Buildine Dome Liner Modification *
Modification to the do=e liner is required because of its spherical out-of-tolerance.
The deflected surface of the dome liner was un-
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conditionally accepted "as built" by licensee, A-E and constructor
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contingent upo, strict implementation of special procedures rer.ardir.r
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the placing,of dere concrete and accenplishing any modifications to the liner that may be found necessary for co. crete placement.
hurns and Roe drawing number 5052, Reactor Euildinr. Dcce Liner Concrete
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l Hoop Stif f ners, nodifies liner by installing ten - 8" x 12' high rein-forced concrete atiffner hoops to the spherical section of dome liner.
i Hoop attachrent 11" long nelson studs.to liner requires installation of two 3/4" diameter x Licensee informed the inspector that tien and QC precedures for installatien of the nelsen studs are avail-construc-able but nodifications to concrete. procedures are not written.
Licensee estir.ates that stiffner hoop concrete placcacnt may start in latter part of August, 1974.
6.
Licensee Ac tions Taken to Identify Containnent Liner Plate Penetratier2 The licensee's response dated March 6,1974 to enforcement action in RO Rcport 50-320/74-01 identified actions being taken to provide iden-tification and retrievability of documentation on liner plate pene-
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trations to as-built records.
The RO inspector verified these actions this inspection by auditing correspondence between licensee and the at liner plate contractor, by interviewing licensee auditors and evaluat-e ing random camples.
It appears that individual packages of penetrations docutentation now are adequately identified and retrievable but audit of conformance to specifications and code requirements is still licensee in progress.
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