ML19259C056
| ML19259C056 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 06/06/1979 |
| From: | Richard Bright FLORIDA POWER CORP. |
| To: | Nelson C Office of Nuclear Reactor Regulation |
| References | |
| 3-O-3-C, NUDOCS 7906120278 | |
| Download: ML19259C056 (5) | |
Text
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File:
3-0-3 c Mr. Chris C. Nelson Project Manager Operating Reactors Branch #4 Division of Operating Reactors U.S. Nuclear Regulatory Commission Washington, DC 20555
Dear Chris:
Enclosed are Technical Specification Figure 2.1-1 and Bases Figure 2.1 that have been redrawn on graph paper. Also enclosed are Figures 3.1-9 and 3.2-2 that have been redrawn to more accurately depict the break points on the respective curves.
Sincerely, FLORIDA POWER CORPORATION Ed A
Ronald M. Bright Nuclear Support Specialist 2284 066 RMBekcWO2 D47 Euclosures 7 90612 0,T70
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General Office 3201 ininy-tounn street soutn. P O Box 14042. St Petersburg. Fiorda 33733 5313 - 866 5151
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AP FIGURE 2.1-1 (h
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REACTOR CORE SAFETY LIMIT m
2284 067 CRYSTAL RIVER - UNIT 3 2-2
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1600 580 600 620 640 660 Reactor Outl'et Temp, 'F REACTOR COOLANT FLOW PUMPS OPERATING CURVE FLOW (1b/hr)
POWER (%RTP)
(TYPE OF LIMIT) 1 139.86 x 106 (106.7%)
117.3%
4 Pumps (DNBR) 2 104.47 x 106 (79.7%)
90.5%
3 Pumps (DNBR)
PRESSURE / TEMPERATURE LIMITS AT MAXIMUM ALLOWABLE POWER FOR MINIMUM DNBR BASES FIGURE 2.1 CRYSTAL RIVER - UNIT 3 8 2-8 2284 0(>8
A 110 (7.102)
(31.102) goo
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(31,90) l 90 UNACCEPTABLE u
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10 20 30 50 60 70 80 90 100 Rod Position, % Withdrawn
' FIGURE 3.1-9 AXIAL POWER SHAPING R0D GROUP INSERTION LIMITS FROM 0 EFPD TO 233 1 10 EFPD CRYSTAL RIVER - UNIT 3 3/4 1-38
Power, % of Rated Thermal Power
(-18.3,102)
(ls.3,102) 3 r
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(-20.7,so)
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(18,90)
- - 80 i (19.e,s0)
(-29,80)
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FIGURE 3.2 -
AXIAL POWER IMBALANCE ENVELOPE FOR OPERATION AFTER 233 + 10 EFPD 2284 070 CRWAL RIVER - UNIT 3 3/4 2-3