IR 05000373/1981042
| ML20011B251 | |
| Person / Time | |
|---|---|
| Site: | LaSalle  |
| Issue date: | 11/24/1981 |
| From: | Gardner R, Hawkins F, Landsman R, Richard Lee NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML20011B252 | List: |
| References | |
| 50-373-81-42, 50-374-81-20, NUDOCS 8112080247 | |
| Download: ML20011B251 (8) | |
Text
-
]
"
.
U.S.. NUCLEAR REGULATORY COMMISSION
REGION III
Report No. 50-373/81-42; 50-374/81-20 Docket No. 50-373; 50-374 License No. CPPR-99; CPPR-100 Licensee: ' Commonwealth Edison Company P. O. Box 767 Chicago, IL 60690 Facility Name: La Salle County Station, Units 1 and 2 Inspection At: La Salle Site, Marseilles, Illinois.
Inspection Conducted:
November 4-6, 1981 L.w. W i
i Inspectors:
R. N. Gardner
" lli II l
fib lW R.' L. Lee
//ff,4_llif b2 R.
a dsman
.
(November 5-6, 1981 only)
'
'
Accompanying Personnel:
C. D. Braund W
t Approved By:
F. C. Hawkins, Acting Chief II / 2.4 I 8l
'
'
Plant Systems Section Inspection Summary Inspection on November 4-6, 1981 (Report No. 50-373/81-42; 50-374/81-20)
Areas Inspected:
Licensee actions on previously identified inspection findings; observation of elactrical cable installation activities; review of electrical and post tensioning records. The inspection involved a total-of~54 inspector-hours on site by three NRC inspectors.
Results: Of the areas inspected, no items of noncompliance or deviations
were identified.
f a
8112080247 811125~
-
PDR ADOCK 05000373 G
. -
-
- -
-
-
- -
-
-
-
-
-
-
-
.
.
DETAILS Persons Contacted Commonwealth Edison Company (CECO)
L. J. Burke, Site Project Superintendent
- W._H. Donaldson, Assistant Superintendent
- J. W._Gieseker, Staff Assistant Project Superintendent
- E. R. Netzel, QA Engineer
- R. D. Vine, QA Engineer Foley Construction Company
- J. B. Adee, QA Manager
- Denotes those present at the exit interview.
Iicensee Action on Previous Inspection Findings 1.
(Closed) Unresolved Item (50-373/80-44-02; 50-374/80-28-02): Electrical cable separation within control cabinets and panels was not in accordance with IEEE Standard 384-1974. As a result of discussions between NRR and the licensee, the licensee has provided NRR with an analysis for their existing separation design and a proposed revision to the Final Safety Analysis Report.
NRR acceptance of the existing design is documented in the La Salle Safety Evaluation Report. RIII has no further questions regarding this matter.
2.
(Closed) Unresolved Item (50-373/80-44-03): The licensee was requested to provide documentation verifying that the Gremar connector installed on triax cable INR316 was supplied by an approved vendor. The RIII inspector verified that the questionable Gremar connector had been replaced by an approved Amphenol connector.
3.
(Closed) Unresolved Item (50-373/81-26-04; 50-374/81-14-04): The cable termination hardware and the battery rack hardware associated with the Class IE batteries had no protective coating to provide protection from the acidic environment to which they may be exposed. The RIII inspector observed that the licensee is now applying acid resistant paint to all battery rack hardware and to the welds securing the battery racks to the foundation. The inspecter further observed that the cable tenmination hardware is being coated with no-oxide grease.
.
-2-
.
- - - -
- -.
-
-
.- -- - ---
. -.- --
--. -.
. --
.
. --- -- -
--J
.
.
.
4.
(Closed) Unresolved Item (50-374/79-15-01): The Residual Heat Removal
~
(RHR) pumps and the Low Pressure Core Spray (LPCS) pump were removed for testing. The Regicu III inspector verified that the subject pumps have been reinstalled..The inspector reviewed the quality control
,
records pertaining to the retermination of affected electrical cables.
5.
.(Open) Unresolved Item (373/79-17-01; 374/79-11-01): The long term-concrete creep and shrinkage test program committed to in the FSAR was not completed at=the time of the 1979 inspection. The inspector de-termined that the test program is now complete and all data is at the Sargent & Lundy (S&L) corporate office in Chicago. This item is still s
considered unresolved pending review of the test results at S&L.
,
f i
J I
-3-
.
< - -, - - - _ - _ _ - - - -
-
m.
.
.
.
.
.
.
.. m.m. m
...
.
.
.
m.
.
.
.
.
-
-
-- -m.
m
.
.
SECTION 1 Prepared by R. N. Gardner and R. L. Lee Reviewed by F. C. Hawkins, Acting Chief Plant Systems Section 1.
Observation of Electrical Cable Installation.",ctivities, Unit 2 a.
The RIII inspectors observed the in process installation of Class 1E division one switchgear temperature control cable, identified as 2VX104. The cable was being pulled from the switchgear venti-lation system panel 2PL29J, located in the Auxiliary Building switchgear room, to the temperature control drive panel 2TZVX019.
The inspectors witnessed cable 2VX104 being pulled through cable trays 292C-2YC, 402C-2YC, 282C-2YC, 283C-2YC, 294C-2YC and conduit 2VX104-2YC in accordance with H. P. Foley Company Cable Pulling Procedure WI-400, Revision 8.
The quality control inspector was observed inspecting the cable pulling work and recording the cable pulling data on an H. P. Foley QC cable pulling inspection checklist. The checklist in-cluded appropriate attributes and acceptance criteria.
The RIII inspectors verified that the cable was routed in accordance with the cable pull card. The cable size and type was as specified on the cable pull card and no apparent damage was evident. The raceways were clean, properly identified and undamaged.
Craftsmen were stationed at sufficient intervals and were preventing damage to tiv cable. The pull crew foreman and QC inspector verified that the proper cable was selected and that the cable came from reels marked as containing safety related cable. They also verified cable routing and entered the informa-tion on their respective copies of the pull cards.
b.
The RIII inspectors selected four Class 1E electrical cables which had been installed in Unit 2.
The routing of each cable was compared with the routing requirements identified on the respective pull cards. The inspectors observed the following:
(1) Diesel Generator circuit breaker control cable 2DG212 was observed to be routed correctly at routing points 283C, 282C, 281C, 279C, 278C, R127, and 2JB404A.
(2) Limitorque valve control cable 2HG044 was observed to be routed correctly at routing points 1437E, R449, 1436BE, 1496B, 1432B, 1433B, 1435B, R440, R416, and 2JB1129R.
(3) Feedwater isolation valve control cable 2NB360 was observed to be routed correctly at routing points 1407F, 1401F, R433, 1401B, 1390B, R422, and 2JB690A.
-4-
e
.
(4) Control room temperature instrumentation cable 2VC062 was observed to be routed correctly at routing points 567A, 568A, 569A, R194, and 572A.
The inspectors observed that the raceway internals were free of hazardous debris and sharp edges. Conduit bushings were installed as required. The cables and raceway were properly identified.
c.
The RIII inspectors reviewed the following S&L Unit Two Class IE Auxiliary Building Electrical Installation Plan drawings and Cable Pan Routing drawings and verified that they were of the current revision:
IE-2-3663, Revision H IE-2-3664, Revision G 1E-2-3665, Revision G 1E-2-3667, Revision J IE-2-3669, Revision H IE-2-3672, Revision B IE-2-3444, Revision AA 1E-2-3445, Revision T 1E-2-3446, Revision T 1E-2-3448, Revision C IE-2-3449, Revision B 1E-2-3450, Revision D d.
The RIII inspectors observed that the use of vinyl self-insulated butt splices is referenced in S&L standard STD-EA-205. The in-spectors expressed the concern that the integrity of a vinyl butt splice may be degraded upon exposure to radiation in a high radiation area. The licensee stated that no vinyl butt splices had been used on Class 1E cables and that further, no butt splices of any type were used on Class IE cables in high radiation areas.
The inspectors have no further questions regarding this matter at this time.
2.
Review of Cable Installation Quality Records, Unit 2 The RIII inspectors reviewed cable pulling records for Class IE cable installations noted in Section 1, Paragraph 1 of this report. The review included adequacy of accepted H. P. Foley Company Cable Pulling Inspection Checklists and H. P. Foley cable pull cards.
Installations were being properly documented. The records were identifiable, retriev-able and furnished evidence of activities affecting quality.
3.
Review of Quality Records - Electrical Cables The RIII inspector reviewed the cable installation inspection records for the following Class 1E cables:
.
-5-
--
,
.
-
.
Power Cables 1RH010 1DG012 1RH040 1HP010 1RH048 Control Cables 1HG055 1NB560 INB112 1PC045 ILC049 Instrumentation Cables ILC143 ILD060 1RI131 1DG017 1CM042 The inspection records indicated that the following attributes were inspected:
a.
Raceway released for pulling.
b.
Proper cable type and cable reel used.
c.
Pull set-up adequate.
d.
Cable protected from damage.
e.
Verification of routing.
f.
Bend radius acceptable.
g.
Cable end sealed.
The records identified the inspector, the inspection results, the acceptability of the inspection, and noted deficiencies identified during the inspections. The records were identifiable, retrievable and acceptable.
4.
Review of Quality Records - Instrumentation The RIII inspector reviewed the following receipt, storage, and installation records pertaining to Reactor Vessel Level and Pressure Panel A, designated as panel 1H22-P004:
The panel (consisting of two racks) was received on Material a.
Receipt Reports 1718 and 1756.
b.
Product Quality Certification No. A175 was supplied by General Electric to certify that the product conforms to the specifi-cation requirements.
-6-
.--
-
-
.
.
.
.
.
.
.- -
-
-
_ _ _ _ _
_ _ _.
_
_
_
_ _ _
_
_
._
_ _ _ _ _
O
.
c.
The panel was requisitioned for installation by Material Requisition No. 3888.
d.
Surveillances of instrument panel storage conditions were docu-mented on Form PC-108.-
The inspection records indicate that the following attributes were inspected:
(1) Panel is undamaged.
(2) Piping connections are protected.
(3) Panel is protected from dirt and moisture.
e.
The panel was installed in accordance with Morrison Construction Company Traveler No. 1H22-P004A & B.
The inspection records indicate that the following attributes were inspected:
(1) Verification of bolt installation and torque.
(2) Panel is grouted and level.
(3) Verification of orientation and dimensions.
The records were identifiable, retrievable, and acceptable.
5.
Electro Hydraulic Control (EHC) Oil Spill on Class 1E Cables The RIII inspectors were informed that hydraulic fluid, identified as Fyrquel #3 EHC oil, had been spilled on various Class IE electrical cables in the vicinity of cable tray nodes 1386 (A, B, C),1396 (A, B, C), 1406 (A, B, C) and 1407 (A, C).
The identified cause of the spillage was an incomplete drain on the Electro-Hydraulic Control and Power Unit, IB33-D003A. During the licensee's atteso:s to fill the unit with EHC oil, the incomplete drain caused the oil to leak out of the unit and through a mechanical floor penetration onto the cables.
The licensee stated that the drain was repaired and clean-up measures initiated within two hours of the spill.
The RIII inspector observed the affected cables which are located on the 740' floor elevation in the reactor building. The inspector observed that there is no evidence of EHC oil either on the cables or in the cable trays.
As a result of the spill, the licensee initiated nonconformance report (NCR) #550. The NCR requires that engineering evaluate the "effect of this spill on the "long term" qualification of the cables." This item is considered open pending review of the NCR resolution.
(50-373/81-42-01)
-7-
,
,_
.-.
-
_
.
_
_
__
... _
o
.
.
.
.
SECTION 2 Prepared by R. B. Landsman
,
Reviewed by F. C. Hawkins, Acting Chief Plant Systems Section Functional Area Inspected t
The inspector reviewed quality records relative to containment No. 2 post tensioning operations. QC inspection reports canterning tendon insertion, button heading, stressing and greasing operations were reviewed as -foll /s:
Vertical Tendons V201A, V202A, V203A, V205A, V206A, V207A, V208A, V209A, and V216A;
]
Horizontal Tendons HIEG, H2EG, H3EG, H4EG, H5EG, H6EG, H7EG, H8EG, H9EG.
All records were found to be in accordance with requirements.
The inspector also reviewed stressing gauge calibration records for the l
following gauges:
$
Master Gauge N158; Production Gauges N74, N134, N162, N174, N263, N265, N266, N267, N268, N300, C1045, and C2267.
All records were found to be in accordance with requirements.
Open Items Open items are matters, not otherwise categorized in the report, that require follow up during future inspections. Open items disclosed during
!,
this inspection are discussed in Section 1, Paragraph 5.
!
Exit Interview The inspectors met with licensee representatives (denoted under Persons Contacted) at the conclusion of the inspection on November 6, 1981. The
inspectors summarized the scope and findings of the inspection. The licensee acknowledged the information.
i
,
!
i 4.
-8-
I-
.
...
-
-
-
-
-
- -
- - - - -
.
-
-