IR 05000327/1979026
| ML19225C689 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 05/16/1979 |
| From: | Bryant J, Gibbons T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | |
| Shared Package | |
| ML19225C686 | List: |
| References | |
| 50-327-79-26, 50-328-79-13, NUDOCS 7908020190 | |
| Download: ML19225C689 (4) | |
Text
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NUCLE AR REGULATORY COMMISSION E'
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REGION 11
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Report Nom.
50-327/79-26 and 50-328/79-13 Licensee: Tennessee Valley Authority 500A Chestnut Street Tower II Chattanooga, Tennessee 37401 Facility Name: Sepyah Nuclear Plant, Units 1 and 2 Docket Ner,.
50-327 and 50-328 License Nos. CPPR-72 and CPPR-7 3 Inspection at Sequo ah Site near Chattanooga, Tennessee f//t[?i Inspector:
_J ewa Date Signed
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1. D. Gibbons Accompanying Personnel: N. Meriweather (Training)
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Approved by:
C."Bryant';/Section Chief, RC&ES Branch Date Signed
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SUMMARY Inspection on April 25-27, 1979 Areas Inspected This routine, unannounced inspection involved twenty one inspector-hours onsite in the areas of electrical fire stop installation and quality records. Inspector followup items, licensee identified items, and NCR review.
Results Of the areas inspected, no apparent items of noncompliance or deviations were ider.ti fied.
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DETAILS 1.
Persons Contacted Licensee Empleyces
- G. G. Stack, Project Manager
- J. E. Wilkins, Construction Engineer
- J. D. Fowler, Instrument Engineering U:2it Supervisor
- G. B. Lubinski, Electrical Engineering Unit Supervisor
- Attended exit interview 2.
Exit Inte rview The inspection scope and findings were summarized on April 27, 1979, with those persons indicated in Paragraph I abe 2.
3.
Licensee Action on Previous Inspection Findings Not inspected.
Y 4.
Unresolved Items Unresolved items are matters about which mote information is required to determine whether items are acceptable or may involve noncompliance or deviations.
New unresolved item identified dtring this inspection is discussed in paragraph 5.
5.
Independent Inspection Effort The inspactors reviewed nonconformance reports (NCR) which were open from Nos. 1500 to 1616.
It was roted that instrument sensing line separation appears t-be the subject of NCR's which are dispositioned as
"use as is" and corcurred with by design.
The separation problems do not ;ppear to b3 ajequately reviewed. This item is unresolved and will be identified as 327/79-26-01 and 328/79-13-01 (Nonconformance review by desigu on NCR's relating to instrument sensing lines). Documentation of the design review of the NCRS will be examined further.
Within the areas examined there were no items of concompliance or deviations identified.
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t-2-6.
Licensee Identifed Items
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a.
(Closed) 327/78-24-02 and 328/7819-02 Inadvertent operation o'. the Cardox fire system in the diesel generator building. The licensee has completed the investigation and issued a report. The repart is comprehensive, Jetails immediate corrective action, and describ3s actions to prever.t recurrence. The inspector has no further questions.
b.
(Closed) 327/78 38-06 Sump valves failed to open Juring aatomatic switchover testing. The licensee has completed the work on Unit I under Work Olan 1006 which has been signed by QC and engineering.
Construction ins'.;11ed the cables required by Work Plan 1262. Work is completed and accepted. This item is closed for Unit 1.
c.
(Open) 328/78-27-06 Sump valves fail to open during automatic switch over testieg. The work on this ites is incomplete at this time.
7.
Electrical Penetrrlion (Fire) Seals and Flame Retardant cable Coating (Unit 1)
The inspector examined the installatii n of Electric Fire Protections which were either completed in process to assure that the installation installed by Construction Procedure E10 and inspected by Inspection was Instruction A4. The completed fire seals inspected were as follows.
a IPFSTGAB745A0200R011 b
IPFSTGAB745A0200Q009 c
IPFSTGAB746A3200S013 d
IPFSTGAB745A0200S022 e
IPFSTGAB745A0200T013 f
IPFSTGAB742A0302R00 g
IPFSTGAB746A0616Q318 h
IPFSTGAB746A0608Q017 i
IPFSTGAB746A0608Q009 j
IPFSTGAB746A0608Q005 k
IPFSTGAB759A0323T000
IPFSTGAB749A0300T022 m
IPFSTGAB754 A0300 U 007 n
IPFSTGAB760A0308U000 o
IPFSTGAB760A0318U000 p
'DFSTGAB754A0400U000 q
IPFSTGAB751A0222U000 r
IPFSTGAB749A0508S003 s
IPFTSGRI75133300064 t
IPFSTGRI75132400064 u
IPFSTGRI75131500064 436
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v IPFSTGCB706C0402N002 w
IPFSTGCP706C0407N003 x
IPFTSG:B706C0407N005 y
IPFSTGCB706C0411N005 IPFSTGCB706C0420N005
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The penetrations fire seals examined in process a
IFFSTGCB732------172 b
i P FST GC B 7 32------ 17 3 c
IPFSTGCB732---- -160 d
IPFSTGCB732------Il0 e
IPFSTGCB732------121 f
OPFSTGCB732-- ---200 g
OPFSTGCB732--- --201 h
OPFSTGCB732------202 i
OPFSTGCB732------203 j
OPFSTGCB732------224 k
OPFSTGCB732------225
O PFSTGC B7 32------226 m
OPFSTGCB732------227 n
IPFSTGCB722C0619N000 o
2PFSTGCB722C0706N000 The sealing was followed by an inspector documenting each seal.
The final inspector signoff was examined for completed seals a-i, k g and v-z.
It was noted that 7 seals had been breached for new cables. The bre. h'ng was noted on the records.
The work and resealing of the bre ached seals is proceeding.
The installation of flammastic 77 flame ret;rdant material is covered oy the referenced procedures. Seven trays examined in the spreading room. The trays examined were NX, XZ11 XE XYI, MG, MH, a nd P0. The flamemastic application is an ongoing operation.
Within the ares examined there were no items of noncompliance identified.
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