00:01:00 Pressurizer level started increasing. Reactor Coolant System hot (0401:37) Approximate leg and cold leg temperatures reached 575F. Reactor Coolant Drain Tank pressure was increasing. 00:01:00 The Pressurizer Safety Valve (RC-RV1A) high discharge line temper- (0401:37) ature alarm was received. 00:01:26 Reactor Coo1ant Drain Tank temperature normal alarm printed out. (0402:03) 00:01:45 Steam Generators A and B have boiled dry at this time. (0402:22) Approximate 00:02:01 Reactor Coolant Makeup Pump B (MU-P-1B) was stopped due to (0402:38) Engineered Safeguards actuation. 00:02:04 High Pressure Injection Pump C (MU-P-lC) started automatica11y. (0402:41) 00:03:12 Reactor Coolant Drain Tank Relief Valve (WDL-R1) lifted at 120 psig. (0403:49) Approximate 00:03:14 High Pressure Injection portion of Engineered Safeguards was manua1ly (0403:51) bypassed. Both Reactor Coolant Makeup Pumps A and C (MU-1P-1A and MU-P-1C) were operating. 00:03:26 Reactor Coolant Drain Tank high temperature alarm received at 127.2F. (0404:03) 00:04:38 Reactor Coolant Makeup Pump C (MU-P-1C) was stopped. (0405:15) 00:04:38 The operator throttled the High Pressure Injection Isolation Valves (0405:15) Approximate (MU-V16's).- 4 -