02:56:19 Steam Genarator B was isolated. Main Steam Iso1atian Valves (0656-56) Approximate (MS-V4B and MS-V7B) were shut. 03:00:00 Reactor Coolant System pressure increased to 2130 psig. (0700:37) Aproximate 03:03:39 Steam Generator A pressure control was shifted from the Turbine Bypass (0704:16) Approximate Valves (MSV-25A and B and MSV-26A and B) to the Power Operated Emergency Main Steam Dump Valves (MSV-3A and B). 03:10:27 Emergency Feedwater Pump 2A (EF-P-2A) was stopped. (0711:04) 03:l2:28 Electromatic Relief Block Valve (RC-V2) was opened. (0713:05) Approximate 03:12:53 Reactor Coolant Pump 2B (RC-P-2B) was stopped. (0712:53) 03:20:13 Reactor Coo1ant Makeup Pump C (MU-P-1C) was started. Reactor Coolant (0720:41) Makeup Pumps C and A (MU-P-C and A) were operating. 03:23:23 General Emergency was declared. Notifications to offsite (0724:00) Approximate authorities and organizations were initiated. 03:30:00 Electromatic Relief Block Valve (RC-V2) was shut. (0730:37) Approximate 03:35:08 Emergency Feedwater Pump 2A (EF-P-2A) was started. (0735:43) 03:37:00 Reactor Coo1ant Makeup Pump C (MU-P-1C) was stopped. (0737:37) 03:51:00 Electromatic Relief Block Valve (RC-V2) was opened. (0751:37) Approximate- 9 -