ML20024C697
| ML20024C697 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse, Oconee, Arkansas Nuclear, Crystal River, Rancho Seco, Crane  |
| Issue date: | 10/14/1977 |
| From: | BABCOCK & WILCOX CO. |
| To: | |
| References | |
| TASK-*, TASK-03, TASK-07, TASK-3, TASK-7, TASK-GB GPU-0338, GPU-338, NUDOCS 8307130033 | |
| Download: ML20024C697 (2) | |
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'I 4w volume 2 Number 41
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yp Octcber 14. 1977 a
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OCONEE I_
j The unit is finishing heatup with foI.ir RCP's operating. CR0 drop tests have been cor:pleted. Approach to criticality is expected to begin today. Unit i
should be at 100* full power by 10/20/77 1
OCONEE 11 s44.
OTS*-S tube leak increased to 0.2 spo and the unit was shut dcwn on 10/7/77.
.d Pressurization of the secondary side to identify the leaking tube is in
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progress.
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3 It is planned to leave the special instrumentatien installed in the B OTSG
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in place unless it r:ust be removed to repair the leaking tube. The TV camera will be recoved from the auxiliary no:rle opening and the auxiliary no2Zie reinstalled for further testing.
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]'b OCONEE 111 a
A The unit cperated at approximately 93: full po-er until 10/13/77 when a mal-1 function of the turbine EHC 120 volt power supply caused a turbine trip and
..F a subsequent reactor trip. The unit was returned to power and is now l
operating at 65 full power waiting for xenon burnout. Planned c.aximum power
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' prior to refueling outage *is SE: full power. The unit will be shutdown on 10/21/77 for refueling.
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Unit operated at 100% full power all week.
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AND-1 1
The reactor continues to operate at or near 100% full power with plant electrical output at 93-94: due to both feedwater heaters being out of service.
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RANtwo SECO No. 1 3
Head tensioning and RCP seal installation have been completed. CRD stator resistance checks indicated one ststor with a low phase to ground resist 3nce.
Turbine reassembly is pacing tSe outage. Criticality is scheduled for October
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22, 1977 witt closing of the creaker en 10/27/77.
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CRYSTAL RIVER !!!
Power was reduced to approximately 65: full power on October 7,1977, due to q
the loss of cne condensate pump. The pump was repaired and the unit power increased to 100% full power at approximately midnight on October 10. 1977, f
and has operated at 100 full power the remainder of the week.
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r Following repairs to the electrcc.atic relief valve and its control circuitry.
P the valve was tested, under simulated pressure signal conditions, to actuate g
the valve five tir.es per the NRC dictates. The valve actuated and resealed g
during the test, however, it stuck open on an additional actuation. Crosby
.h is on site to investigate the cause of failure and to reoair the val <e.
'ff The return to PES testing is anticipated for this weekend.
c.
Turbine Sten valve Testing
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The latest E4V recont.endatiens concerning turtine stop valve testing are in the process of being forwaNed to all S&W plant owners.
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- Strontium 29,90 Analysis
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..a A revised procedure for the subject analysis is being sent to all B&W plant e.anual.
owne rs. This procedure will replace Procedcre 112 in Chapter 8 cf B&W-1410
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