ML20006B790
| ML20006B790 | |
| Person / Time | |
|---|---|
| Site: | FitzPatrick  |
| Issue date: | 01/24/1990 |
| From: | NRC |
| To: | |
| Shared Package | |
| ML20006B713 | List: |
| References | |
| NUDOCS 9002050357 | |
| Download: ML20006B790 (1) | |
Text
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1' JAFNPP 3.5 BASES A.
Core Spray System and Low Pressure Coolant injection (LPCI)
Core spray distribution has been shown, in full scale tests of Mode of the RHR System systems similar in desegn to that of the RtzPa' rick Plant, to This speciflcation assures that adequate emergency cooling exceed the mamum requirements by at least 25 percent. In mi Wi h
ded W %
cspaumty is available whenever irradiated fuel es in the reactor gg vessd than half the rated flow in simulated fuel assembnes with heater -
rods to duphcate the decay heat characteristes of irradated The loss-of-coolant analysis is referenced and described in fuel. The accedent analysis is additionally conservative in that ~
pg General Electric Topical Report NEDE-24011-P-A.
no credit is taken for spray coolant entering the reactor before -
OO The limiting conditions of operation in Specifications 3.5.A.1 IN Wemal presme has W Jo 113 psi abme pr%
l W
p s w e.
through 3.5.A.6 specify 'the caniikiations of operable 0$
subsystems to assure the availability of the minimum cooling The LPCI mode of the RHR System is desegned to provide 4go systems. No single failure of ECCS equipment occurring
~
during a lossef-coolant accident under.-these limiting.
ecoergency cooling to the core by flooding in the event of a noto l87 conditions of operation will result in inadequate cooling of the indepc, Wit of the Core Spray System; hc.;;.w, they function loss-of-coolant accedent. These subsystems are completely
'd reactor core.
in combination with the Core Spray System to: prevent
- excessive fuel clad temperature. The LPCI mode of n :-=
Amendment No. 38, IfM!!i,149 125 w w - -~ g -