IR 05000566/1979005
| ML19289E991 | |
| Person / Time | |
|---|---|
| Site: | Yellow Creek  |
| Issue date: | 04/02/1979 |
| From: | Bryant J, Harris J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | |
| Shared Package | |
| ML19289E990 | List: |
| References | |
| 50-566-79-05, 50-566-79-5, 50-567-79-05, 50-567-79-5, NUDOCS 7906010023 | |
| Download: ML19289E991 (4) | |
Text
I j km Alcoq'o UNITED STATES
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s NUCLEAR REGULATORY COMMISSION g
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REGION il
.C 101 M ARIETTA STREET, FJ.W.
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ATLANTA, GEORGI A 30303 o
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F3 port Nos.
50-566/79-5 and 50-567/79-5 Licensee: Tennessee Valley Authority 500A Chestnut St reet Chattanooga, Tennessee 37401 Facility Name: Yellow Creek Docket Nos.
50-566 and 50-567 License Nos.
CPPR-172 and CPPR-173 Inspection at Yellow Creek near luka, Mississippi Inspector:
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R', Ha rris D te Signed Approved by: '[ h ( r,
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a J. 'C. B ryant, S@ tion Chief [ RCES Branch Date Signed SUMMARY Inspection on March 13-15, 1979 Areas Inspected This routine unannounced inspection involved 25 inspector-hours on site in the areas of construction status; procedures, work performance and associated quality records for site preparation and structural concrete, and licensee action on previously identified items.
Results Of the areas inspected, no apparent items of noncompltance or deviattons were identified.
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DETAILS 1.
Persons Contacted
,
i Licensee Employees
- M.
M. Price, Project Manager
- L.
S. Cox, Construction Engineer 5R. Delay, Supervisor, Materials and Civil QC Unit
- C. G. Wages, Assistant Construction Engineer AC. Bursheats, Project Geologist
- J. N. Holladay, Supervisor, Project QA Unit
- S. Alge, Supervisor, Document Cont rol Unit kS. Watson, Document Control Unit J. Putman, Civil QC Inspector R. Hart, Calibration Specialist, SMEL K. Masonia, Civil QC Inspector J. George, Civil QC Inspector Other licensee employees contacted during this inspection included four technicians and three office personnel.
- Attended exit interview 2.
Exit Interview The inspection scope and findings were suanarized on March 15, 1979 with those persons indicated in Paragraph 1 above.
3.
Licensee Action on_ Previous Inspection Findings (Open) Unresolved Item (56b/78-10-01 and 567/78-10-01): Frequency a.
of sampling for test cylinders, air content, temperature and slump.
The inspector reviewed a draft revision of QCl 208 which states sampling shall be at the 100 cubic yard interval specified in the PSAR.
This item remains open pending NRC review of an approved copy of QCI-208.
b.
(Open) Unresolved item (566/78-10-02 and 567/78-10-02): Pumped concrete.
The inspector reviewed a draft revision to QCl-208 which indicates pumped concrete will be sampled at the point of lacement as specified in the referenced ANSI Standard, S45.2.5-1974 This item remains open pending NRC review of an approved copy of QCI-208.
(Open) Noncompliance (566/79-04-01):
QA audit corrective action.
c.
Logs maintained by the QC materials and civil-unit indicate that the curing tank temperature for concrete test cylinders was outside the specified limits on thirty-eight days from December 26, 1978 to 2233 158
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i-2-February 26, 1979. Deficiency number 7 in QA audit YC-L-78-03 was closed without correcting the cause of the out-of-specification curing temperature.
Subsequent to this findingbyjRC,NCR01and
,
deficiency number one of audit number YC-79-02 were issued.
Investi-gations by the NRC inspector indicated that new thermostats have been installed in the curing tank and that cu"ing temperatures are now being controlled in accordance with ASTM #2-31.
This item remains open pending NRC review of the liccasees disposition of the current deficiency and NCR.
4.
Unresolved Items Unresolved items were not identified during this inspection.
5.
Independent Inspection Effort The inspector made a visual inspection of construction activities ano observed QA implementation, work performance and records in the following areas:
a.
Excavations in Units 1 and 2 powerhour' blocks b.
Geelogic mapping and photographs for Unit I Concrete and soils testing laboratory c.
d.
Calibration controls on soils and concrete testing equipment Civil QCI procedures e.
No deviations or items of noncompliance were identified.
6.
Containment (Structural Concrete 1) - Observation of Work and Work Activities, Unit 1 The inspector observed partial placement of concrete pour rmmber Al-D5 in the reactor building and cadwelding of splice numbers CB-374, 380 and 299 on anchor rods in the control building basemat.
Acceptance criteria examined by the inspector appear in the following documents:
Section 3.8 of the PSAR and TVA Topical Report TR75-1A a.
b.
TVA Specification G-2, " Plain and Reinforced Concrete" c.
Quality control instructions on inspection of concrete and concrete materials, QCI-C-20 through QCl-C-214, QCI-C-401 and QCI-C-402; RIS & PM-C-201 through 207, 401 and 402; CEP-9.01 and 2.12.
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-3-Forms were tight and clean and rebar was properly installed and clean.
Preplacement inspection was indicated by the signed pour. card.
Placement activities pertaining to delivery time, 'ree fall, flow distance, layer
thickness and consolidation conformed to specifications. Activities were continuously monitored by certified QC personnel.
Samples for temperature, slump, air content, unit weight and test cylinders met frequency and result requirements. An examination of the batch plant indicated proper mixes were being delivered to specified sites, materials were being controlled and accurate batch plant records were being generated.
Mechanical splices made on anchor bars were being made by certified welders in accordance with procedures and were continuously monitored by a certified QC inspector.
No deviations or items of noncompliance were identified.
7.
Containment (Structural Concrete 1) - Review of Quality Records, Unit 1 The inspector examined quality records on pour number Al-A2 in the reactor building and mechnaical splice records to date on anchor bars for the control building basemat.
Documents containing acceptance criteria examined by the inspector are listed in paragraph 6.
Records examined included:
Pour ca rd, drawir.gs, mixing plant reports, batch plant calibrations, personnel qualification, mechanical splice and splicer logs, curing reports, and receiving inspection and test reports fc r cement, air entraining agent, water, fly ash, and aggregate.
No deviations or items of noncompliance were identified.
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