ML20045D722
| ML20045D722 | |
| Person / Time | |
|---|---|
| Site: | Turkey Point  |
| Issue date: | 10/20/1992 |
| From: | Landis K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Stohr J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML20045D697 | List:
|
| References | |
| FOIA-93-125 NUDOCS 9306290350 | |
| Download: ML20045D722 (6) | |
Text
10-20-1992 09:35AM FROM UStRC R11 DRP TO 83058705098 P,01 October 20, 1992 TO:
J. P. STOHR FROM:
X. LANDIS
SUBJECT:
TURKEY POINT UNIT 4 HEATUP - GENERAL DESCRIPTION
, f Mode 3)is 7
D
..gA licensee projected time schedule for heatup to Hot StandbyThe s
>.n has the plant g['4 attached. heated up and ready to enter Mode 2 (begin reactor startup) as ea F
g o.m. on October 21 if there are no problems or delays.
p -
/ \\ Turkey Point Unit 4 is now in Mod _e_5, Cold Shutdown, with Reactor CoolantR g / ISystem (RCS) Temperature less than 200 degrees F p("g closed cycle cooling system. The RHR system is cooled by the
/
Removal (RHR) ling Water closed cycle system, which in turn is cooled by the Component Coo ntake Cooling Water system that uses water from the cooling canal system.
, g/ Operating Modes are defined % the Technical Spec prior to goira to Mode 4 Hot Shutdown (RCS temperature above 200 degrees F),
i the licensee performs complete reviews of plant status, including:
1 h
Plant modifications and related crew training Maintenance work
).f Commitments to NRC Plant cleanliness and scaffolding inspections Equipment lineups and availability Required surveillance tests completed Department heads certify readiness Plant General Manager approves entering Mode 4 Plant heatup to Mode 4 then takes about two hours. The heat is generated by operating reactor coolant pumps and heatup rate is controlled by adjusting the amount of heat removed by the RHR systers.
Phto_ going to Mode 3, Hot Standby (RCS teinporature above 350 degrees r),
the licenses perfarns required surveillance tests. The plant heatup to 350 degrees F takes about six hours and the surveillance tests take about another In Mode 3, the method of cooling the RCS is changed. The RHR eight hours.
system is taken off line and heat removal is by dumping steam from the steam generators to the atmosphere and feeding water to the steam generators via the standby feedwater pumps. Plant heatup to normal operating temperature of 547 degrees F then takes about eight hours.
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RICCIO93-125 pog 099 n /,
10-20-1992 09:36:n FRCri UStEC Ril DRP TO 63058705099 P.02 l
Prior to pulling control rods for Mode 2, reactor Startup, additional required surveillance tests are performed.
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/ K. Landis Attachments:
1.
Unit 4 Heatup Schedule 2.
TS Definitions of Operational Modes l
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TABL_E 3.2 0PERATIONAL MODES I
% RATED AVERAGE COOLANT REAciiVITY M3DE CONDITION, K THERMAL POWER" TEMPERATURE df 1.
POWER OPERATION 1 0.99
> 5%
1 350'F 2.
STARTUP 3 0.99
< 5%
1 350'F 3.
HOT STANDBY
< 0.99 0
1 350*F i
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HOT SHUTDOWN
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350*F > T**9
> 200*F l
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COLD SHUTDOW
< 0.99 0
1 200'F l
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F.IfUEL1?G"5 1 0.95 0
5:140'f
- Excluding decay beat,
- aFuel in the reactor vessel with the vessel head closure be',ts less than fully j
l tensioned or with the head removed.
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TURKEY POINT - UN]TS 3 & 4 18 AMENDMENT N05137ANO 132 l
TOTAL P.04 l
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After Andrew REP Statu Report y
October 23, 1992 i
i Schedule for Review.
4 To ensure that the compensatory mearures 11sted in this report are appropriate a.rchedulefor review j
has been establishedro valuate changes to the area or systems which affect response procedur6:
and to detemune the continuing need for these actions. The schedule established for this review is:
l bi weekly, through December 31, 1992; 1l quarterly, through May 31, 1993; bi-annually, through December 31, 1994.
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