08:31:06 Decay Heat Removal Pumps 1A and 1B (DH-P-1A and DH-P-1B) were
(1231:43)
started.
08:54:56 Core Flood Tank A alarm printed out at a level of 13.13 feet.
(1255:33)
09:04:18 Reactor Coolant Makeup Pump C (MU-P-1C) was stopped.
(1304:55)
O9:49:44 Reactor Building Isolation and Containment Spray were actuated by
(1350:21)
Engineered Safeguards. Engineered Safeguards actuation started
Reactor Coolant Makeup Pump C (MU-P-1C) and Reactor Building Spray
Pumps A and B (BS-P-1A and BS-P-1B).
09:49:50 Reactor Building Spray Valves (BS-V1A and BS-V1B) opened.
(1350:27)
09:49:58 Reactor Coolant Pumps 1A and 1B (RC-P-1A and RC-P-1B) inlet air
(1350:35)
temperature high alarms annunciated and Pressurizer Safety Valves
(RC-R1A and RC-R1B) discharge line temperature high alarms annun-
ciated.
09:50:24 Reactor Coolant Makeup Pump C (MU-P-1C) was stopped.
(1351:01)
09:55:30 Reactor Building Spray Pumps A and B (BS-P-1A and BS-P-1B) were
(1356:07)
stopped.
09:56:58 Decay Heat Removal Pumps A and B (DH-P-1A and DH-P-1B) were
(l357:35)
stopped.
10:24:00 Reactor Coolant System hot leg Loop A temperature decreased to
(1424:37)
Approximate within the instrumentation range.
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