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CRITICAL I IMENTS EQUIPMENT ID INSTRUMENT FUNCTION C-502 C-502 IPS SHUT DOWN C-502 IN THE EVENT THE OIL PRESSURE DIF. PRESS. ACROSS THE COMPRESSOR DROP TO 15# C-502 1TAS SHUT DOWN C-502 IN THE EVENT THE DISCHARGE TEMPERATURE REACHES THE SET POINT C-502 3 SHUT DOWN COMP. IF VIBRATION REACHES SET POINT AIJVRM TRIP 15PSI TEST FREQ. WEEKS 52 215 DEG. F SEE TABLE 1 52 26 GT-501A CCA GT-501A ALERT OPERATIONS OF DEVELOPING EXPLOSIVE MIXTURES IN AREAS MONITORED 20% LEVEL GT-501A 1 PREVENT START UP OF TURBINE WITH NO OIL PRESSURE AND COOL TURBINE BEARINGS AND SHAFT ON SHUT DOWN GT-501A 2 SHUT DOWN TURBINE IF OIL TEMPERATURE REACHES 175 DEG. F. MINUS 5 DEG. F. 160 DEG. F GT-501A 3 SHUT DOWN TURBINE ON LOW OIL PRESSURE GT-501A 4 SHUT DOWN TURBINE IF SPEED REACHES OVERSPEED SET POINT TO PREVENT TURBINE WRECK GT-501A 5 SHUT DOWN TURBINE IN THE EVENT AIR FILTER DIFF. PRES. REACHES SET POINT 2" WATER GT-501A 6 GT-501A 9 SHUT DOWN TURBINE IF VIBRATION REACHES SET POINT ENERGIZE ALARM WHEN EGT REACHES SET POINT SHUT DOWN TURBINE WHEN EGT REACHES SET POINT SEE TABLE 1 1 125 DEG.F. 8 PSI DEC. 12 PSI INC. 175 DEG. F. 42 PSI 23.600 RPM 3" WATER 1200 DEG. F. 13 52 52 52 26 52 30 52 2/24/92:LLM PAGE 1 DO A 024040 CONFIDENTTAl EQUIPMENT ID INSTRUMENT FUNCTION CRITICAL lk~ i nUMENTS ALARM TRIP TEST FREQ WEEKS GT-501B CGA GT-501B ALERT OPERATIONS OF DEVELOPING EXPLOSIVE MIXTURES IN AREAS MONITORED 20% LEVEL 13 GT-501B 1 PREVENT START UP OF TURBINE WITH NO OIL PRESSURE AND COOL TURBINE BEARINGS AND SHAFT ON SHUTDOWN 8 PSI DEC. 12 PSI INC. 52 GT-50 IB 2 SHUT DOWN TURBINE IF OIL TERMPERATURE REACHES 175 DEG. F. PLUS OR MINUS 5 DEG. F. 160 DEG. F. 175 DEG. F 52 GT-501B 3 SHUT DOWN TURBINE ON LOW OIL PRESSURE 42 PSI 52 GT-501B 4 SHUT DOWN TURBINE IF SPEED REACHES OVERSPEED SET POINT TO PREVENT TURBINE WRECK. 23,600 RPM 26 GT-501B 5 SHUT DOWN TURBINE IN THE EVENT AIR FILTER DIF. PRES. REACHES SET POINT. 2" WATER 3" WATER 52 GT-50 IB 6 SHUT DOWN TURBINE IF VIBRATION REACHES SET POINT SEE TABLE 1 30 GT-501B 9 ENERGIZE ALARM WHEN EGT REACHES SET POINT SHUT DOWN TURBINE WHEN EGT REACHES SET POINT. 1125 DEG. F 1200 DEG. F. 52 GT 502 CGA GT-502 ALERT OPEATION OF DEVELOPING EXPLOSIVE MATERIALS IN AREAS MONITORED 20% LEVEL 13 GT-502 1 PREVENT START UP OF TURBINE WITH NO OIL PRESSURE AND COOL TURBINE BEARINGS AND SHAFT ON SHUT DOWN 8 PSI DEC. 12 PSI INC. 52 GT-502 2 GT-502 3 2/24/92:LLM SHUT DOWN TURBINE IF OIL TERMPERATURE REACHES 175 DEG. F. PLUS OR MINUS 5 DEG. F. SHUT DOWN TURBINE ON LOW OIL PRESSURE PAGE 2 60 DEG. F. 175 DEG. F. 42 PSI 52 52 DO A 024041 OONFIDENTIAL EQUIPMENT ID INSTRUMENT GT-502 4 GT-502 4A GT-502 5 GT-502 6 GT-502 9 P-502 P-502 1 P-502 2 P-502 3 P-502 4 P-502 5 FUNCTION CRITICAL I. JMENTS ALARM SHUT DOWN TURBINE IF SPEED REACHES OVERSPEED SET POINT TO PREVENT TURBINE WRECK SHUT DOWN TURBINE IF TURBINE SPEED REACHES OVER SPEED SET POINT TO PREVENT TURBINE WRECK SHUT DOWN TURBINE IN THE EVENT AIR FILTER DIF. PRES. REACHES SET POINT 2" WATER SHUT DOWN TURBINE IF VIBRATION REACHES SET POINT SEE TABLE 1 ENERGIZE ALARM WHEN EGT REACHES SET POINT SHUT DOWN TURBINE WHEN EGT REACHES TRIP SET POINT 1125 DEG. F. SHUT DOWN GT-502 IN THE EVENT P-502 SUCTION PRES. REACHES LOW SUCTION SET POINT SHUT DOWN GT-502 IF DISCHARGE PRESSURE REACH REACH HIGH DISCHARGE TRIP SET POINT SHUT DOWN GT-502 IF P-502 CASE TEMPERATURE REACHES SET POINT 180 DEG.F. SHUT DOWN GT-502 IF P-502 OIL PRESSURE DECREASES TO SET POINT SHUT DOWN GT-502 IN THE EVENT THE THRUST BEARING TEMPERATURE REACHES SET POINT TRIP TEST I-kE WEEKS 23.600 RPM 26 23.600 RPM 3" WATER 26 52 30 1200 DEG. F 52 50 PSI 52 3500 PSI 52 195 DEG.F. 52 5 PSI 52 190 DEG. F. 52 2/24/92:LLM PAGE 3 D0 A 0P4042 CONFIDENTIAL EQUIPMENT ID INSTRUMENT FUNCTION CRITICAL INot nUMENTS F-509 F-509 Dp SHUTDOWN ASBESTOS BAG FILTER BLOWER BL 509 IN EVENT OF LOW FILTER DIFFERENTIAL PRESSURE PD 509 SHUTDOWN ASBESTOS BAG FILTER BLOWER BL 509 IN EVENT PARTICLES DETECTED ALARM TRIP TEST FREQ WEEKS 1.8 IN WATER 1 DETECTS PARTICLES 1 2/24/92 LLM PAGE 4 DO A 024043 CONFIDENTIAL PRODUCED FOR THE ASBESTOS DATABASE DATE: ________________ MASTER No. WS (jf/l,