LR-N10-0355, Hope Creek, HC.OP-AB.BOP-0002(Q), Rev. 13, Main Turbine

From kanterella
Jump to navigation Jump to search
Hope Creek, HC.OP-AB.BOP-0002(Q), Rev. 13, Main Turbine
ML110050475
Person / Time
Site: Salem, Hope Creek  PSEG icon.png
Issue date: 01/20/2009
From:
Public Service Enterprise Group
To:
Office of Nuclear Reactor Regulation
References
LR-N10-0355 HC.OP-AB.BOP-0002(Q), Rev 13
Download: ML110050475 (29)


Text

TURBINE GENERATOR TRIP EHC UNIT PANEL 10C363 TCV FAST CLOSURE MAIN STOP VALVE CLOSURE TURBINE GENERATOR VIB HI GEN STATOR CLG WATER SYS TROUBLE GEN COOLING PNL 10C120 POWER FLR GENERATOR H 2/SEAL OIL SYS TROUBLE GENERATOR TEMPERATURE HI

One or more Turbine trip signals generated. Generator output goes to zero. Rising vibration trend on any Main Turbine/Generator bearing (CRIDS). Generator Stator Water return temperature > 174.2°F (79°C) Stator Water inlet pressure 46.5 psig @ V9968 ( 64 psig at PI3607 on 10C120) Stator Water Inlet Flow 690 gpm. Decreasing hydrogen pressure/purity. Stator water (generator in let) temperature > 118 °F

Date/Time:

___ I.A Recirc. Pump speed to MINIMUM. ___ I.B the Mode Switch in SHUTDOWN.I. Loss of Stator Cooling for > 2 min.

AND Reactor Power > 24%

Date/Time:

___ I.C the Main Turbine. II.A IF Reactor Power is 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM. ___ b. the Mode Switch in

SHUTDOWN. II. Bearing 1-10 Vibration 11 mils @ 1800 RPM

  • Bearing 11-12 Vibration 7 mils @ 1800 RPM
  • Date/Time:

___ II.B the Main Turbine.III. Failure of Main Turbine to runback on a Loss of Stator

Water Cooling.

Date/Time:

___ III.A

___ III.B Recirc Pump speed to MINIMUM. the Mode Switch in SHUTDOWN.* Vibration Limits may be exceeded during testing evolutions under an approved test plan with Engineering concurrence.

Valves: 1-AB-HV-1026, M/S LEAD DRAIN S/U VLV. 1-AC-HV-1041/1042/1043, XAROUND STM LN DRN's. 1-AC-HV-1013A(B,C), MSV BEFORE SEAT DRN's. 1-AC-HV-1015, CV BEFORE SEAT DRAIN. 1-AC-HV-1017A(B), CV #1 & #2 STM LEAD DRN. 1-AC-HV-1018A(B), CV #3 & #4 STM LEAD DRN. 1-FW-HV-3719, RFP TURB MN STM DRN.

___ A.IF Reactor Power is 24% THEN the Mode Switch in Shutdown.

Bearing 1-10 Vibration 12 mils @ 1800 RPM Bearing 11-12 Vibration 8 mils @ 1800 RPM

Date/Time:

___ B.

the Main Turbine.

Reactor Power 24%. AND Turbine trip has occurred. Date/Time:

___ the Mode Switch in Shutdown.

Main Turbine Trip Turbine Stop, Control and Combined Intermediate Valves close. Turbine Bypass Valves Open to control pressure. Generator output and field breakers open. Generator lockout.

Turbine Trip Signal (as sensed by low air pressure

downstream of the Air Relay Dump

Valves (AC-PSL-1389)).

The following drain valves OPEN: AB-HV-1026 AC-HV-1041/1042/1043A(B, C) AC-HV-1013A (B, C, D) AC-HV-1015 AC-HV-1018A(B) AC-HV-1017A(B) FW-HV-3719 Stator Water Cooling:

Supply header Pressure

< 64 psig at PI3607 on 10C120 OR Generator Stator Water Return Temperature 174.2ºF (79ºC) Inlet Flow 690 gpm Turbine-Generator runback if initiating conditions remain for 15 seconds. Turbine Trip within: 2 minutes of loss of cooling WITH >25,000 Stator Amps (78.84% of rated) 3.5 minutes of loss of cooling WITH >7,055 Stator Amps (22.25% of rated) Recirculation Pump Runback to 30%

(12 seconds after turbine runback) 110 psig Hydrogen Seal Oil pressure Emergency Seal Oil pump auto start Stator Water Cooling Pump Trip Standby Stator Water Cooling Pump auto start

___ I.A Recirc. Pump speed to MINIMUM. ___ I.B the Mode Switch in SHUTDOWN.I. Loss of Stator Cooling for > 2 min.

AND Reactor Power > 24%

Date/Time:

___ I.C the Main Turbine. II.A IF Reactor Power is 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM. ___ b. the Mode Switch in

SHUTDOWN. II. Bearing 1-10 Vibration 11 mils @ 1800 RPM

  • Bearing 11-12 Vibration 7 mils @ 1800 RPM
  • Date/Time:

___ II.B the Main Turbine.III. Failure of Main Turbine to runback on a Loss of Stator

Water Cooling.

Date/Time:

___ III.A

___ III.B Recirc Pump speed to MINIMUM. the Mode Switch in SHUTDOWN.* Vibration Limits may be exceeded during testing evolutions under an approved test plan with Engineering concurrence.

A. Main Turb ine Trip.......................................................................................................7 B. Main Turbine high vibration.........................................................................................11 C. Evidence of physical damage on EITHER

Main Turbine OR Turbine Auxiliaries......................................................................................................15 D. Loss of Stat or Cooling..............................................................................................17 E. Hydrogen Seal Oil SystemMalfunction.........................................................................19 F. Generator H 2 pressure drops below 63 psig.................................................................19 G. Both the Emergency Seal Oil Pump AND The Main Seal Oil Pump CANNOT be started, OR BEFORE Generator H 2 pressure drops below 30 psig....................................................19 H. Pressure Control Valve (PCV-3096) Ma lfunction....................................................21 I. Float Trap Ma lfunction.............................................................................................21 J. High Stator Water Cooling Temperature.......................................................................23 K. Stator Cooling High Conductivity..................................................................................23

___ I.A Recirc. Pump speed to MINIMUM.

___ I.B the Mode Switch in SHUTDOWN. I. Loss of Stator Cooling for > 2 min.

AND Reactor Power > 24%

Date/Time:

___ I.C the Main Turbine. II.A IF Reactor Power is 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM. ___ b. the Mode Switch in SHUTDOWN.II. Bearing 1-10 Vibration 11 mils @

1800 RPM

  • Bearing 11-12 Vibration 7 mils @

1800 RPM

  • Date/Time:

___ II.B the Main Turbine.III. Failure of Main Turbine to runback on a Loss of Stator Water Cooling.

Date/Time:

___ III.A

___ III.B Recirc Pump speed to MINIMUM. the Mode Switch in SHUTDOWN.

  • Vibration Limits may be exceeded during testing evolutions under an approved test plan with Engineering concurrence. Procedures: HC.OP-AB.BOP-0001(Q) FEEDWATER HEATING Valves: 1-EG-TIC-2423, MAIN TURB L.O. TEMP. CONTROL VLV, Panel 10C105, 137' Turb Bldg. 1-CA-HV-1991, STM SEAL EVAP MN STM.

Equipment: 0-P-108, Motor Suction Pump. Main Turbine Lift pumps A(B,C,D,E,F,G,H,J)P110 OP111 Turning Gear Oil Pump Unit Protection Lockout Relay 86UR is located in the Upper Relay Room. Unit Protection Lockout Relay 86UB (Back up) is located in the Upper Relay Room. SWC Pump Control Switches (10C120 Generator H2 & Stator Cooling Water Panel,

TB El. 102')

Main Turbine Trips: 108% Primary Overspeed 110% Emergency Overspeed Condenser low vacuum (7.5" Hg A)

Axial Position +/- 35 mils Low bearing oil pressure Exhaust Hood high temperature (225°F)

Loss of Stator Coolant without a successful runback Loss of Emergency Trip System Low Shaft Driven Oil Pump discharge pressure Loss of both speed signals Moisture Separator high level Reactor water high level Generator protective devices actuation Load Reject, 40% mismatch Manual trip Loss of EHC oil pressure

A.1 the following CLOSED:

___ Turbine Control Valves

___ Turbine Stop Valves

___ Combined Intermediate Valves ___ A.2 IF the Reactor is NOT Scrammed THEN Feedwater Heating Abnormal BOP-0001 concurrently.

A.3 the following are running:

___ Motor Suction Pump

___ Turning Gear Oil Pump

___ A.4 1-CA-HV-1991 is OPEN to provide Main steam to the Steam Seal Evaporator. ___ A.5 WHEN Main Turbine Speed <900 rpm, all Main Turbine Lift Pumps running. A.6 If necessary:

WHEN the cause of the Trip is KNOWN AND CORRECTED, the following:

___ a. both Stator Coolant Pump Control Switches to PULL-TO-LOCK.

___ b.

the Unit Protection Lockout 86 Relays. ___ c. Stator Cooling Water Pump A(B)

Control Switch to CLOSE.

___ A.7 Main Turbine Lube Oil Coolers Temperature Controller 1EG-TIC-2423 for 85°F.

A. Main Turbine Trip Date/Time:

___ I.A Recirc. Pump speed to MINIMUM.

___ I.B the Mode Switch in SHUTDOWN. I. Loss of Stator Cooling for > 2 min.

AND Reactor Power > 24%

Date/Time:

___ I.C the Main Turbine. II.A IF Reactor Power is 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM. ___ b. the Mode Switch in SHUTDOWN.II. Bearing 1-10 Vibration 11 mils @

1800 RPM

  • Bearing 11-12 Vibration 7 mils @

1800 RPM

  • Date/Time:

___ II.B the Main Turbine.III. Failure of Main Turbine to runback on a Loss of Stator Water Cooling.

Date/Time:

___ III.A

___ III.B Recirc Pump speed to MINIMUM. the Mode Switch in SHUTDOWN.

  • Vibration Limits may be exceeded during testing evolutions under an approved test plan with Engineering concurrence.

Equipment: 0-P-108, Motor Suction Pump. Main Turbine Lift pumps A(B,C,D,E,F,G,H,J)P110 OP111 Turning Gear Oil Pump Unit Protection Lockout Relay 86UR is located in the Upper Relay Room. Unit Protection Lockout Relay 86UB (Back up) is located in the Upper Relay Room. SWC Pump Control Switches (10C120 Generator H2 & Stator Cooling Water Panel,

TB El. 102')

Main Turbine Trips: 108% Primary Overspeed 110% Emergency Overspeed Condenser low vacuum (7.5" Hg A)

Axial Position +/- 35 mils Low bearing oil pressure Exhaust Hood high temperature (225°F)

Loss of Stator Coolant without a successful runback Loss of Emergency Trip System Low Shaft Driven Oil Pump discharge pressure Loss of both speed signals Moisture Separator high level Reactor water high level Generator protective devices actuation Load Reject, 40% mismatch Manual trip Loss of EHC oil pressure

A. Main Turbine Trip ___ A.8 IF Any action taken by Hope Creek resulted in: a. Island loss of 2000 Mwe generation OR

b. Sustained 500 kV voltage excursions

<450 kV or >550 kV, OR

c. Major damage to 500 kV breakers or transmission network, OR
d. Unplanned loss of any offsite transmission line, OR e. Damage to Main Generator, OR
f. Damage to Main Generator, Main Transformers or transformer protective relays (A/B/CX500)

THEN SM/CRS to refer to ECG, RAL Section 11.11.1 for NERC reporting

requirements. (24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />)

___ I.A Recirc. Pump speed to MINIMUM. ___ I.B the Mode Switch in SHUTDOWN.I. Loss of Stator Cooling for > 2 min.

AND Reactor Power > 24%

Date/Time:

___ I.C the Main Turbine. II.A IF Reactor Power is 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM. ___ b. the Mode Switch in

SHUTDOWN. II. Bearing 1-10 Vibration 11 mils @ 1800 RPM

  • Bearing 11-12 Vibration 7 mils @ 1800 RPM
  • Date/Time:

___ II.B the Main Turbine.III. Failure of Main Turbine to runback on a Loss of Stator

Water Cooling.

Date/Time:

___ III.A

___ III.B Recirc Pump speed to MINIMUM. the Mode Switch in SHUTDOWN.* Vibration Limits may be exceeded during testing evolutions under an approved test plan with Engineering concurrence. 1. Raising temperature to high in the band has been known to counteract the effects of "Oil Whip" and reduce vibrations, if this is the cause for the high vibrations. "Oil Whip" is the phenomenon of the bearing oil being drawn into a cushioning wedge with the

shaft rotation. The whip occurs when the viscosity of the oil wedge is great enough for the wedge

to be pulled out from under the turbine shaft, causing the shaft to move closer to the bearing

surface, reforming the wedge and whipping away again. This whipping action will cause a bump

or spike in the shaft's vibration at that point in the turbine and an increase in temperature in the adjacent bearings as they pick up the load. 2. The vibration levels / time limits in Steps B.2 and B.3 are assuming the Main Turbine is @1800 rpm. These limits may be exceeded / extended during testing evolutions under an approved test plan with engineering concurrence. At no time may the immediate operator action bearing

vibration threshold values be exceeded.

Valves: 1-EG-TIC-2423, MAIN TURB L.O. TEMP. CONTROL VLV, Panel 10C105, 137' Turbine Bldg.

Procedures: HC.OP-SO.MA-0001(Q), MAIN GENERATOR & EXCITOR OPERATION & SWITCHING.

HC.OP-IO.ZZ-0004(Q) SHUTDOWN FROM RATED POWER TO COLD SHUTDOWN.

B.1 the following to stabilize rising vibrations:

___ ___ Main Turbine Lube Oil Coolers Temperature Controller 1EG-TIC-2423

(110 - 120°F).

___

adequate bearing oil drain flow for bearing(s) exhibiting elevated vibration levels.___ WITH System Operator concurrence, MVAR loading. (MA)___

Engineering for additional guidance to lower turbine vibrations.

___ ___ B.2IF Turbine Bearings 1-10 Vibration

> 8 mils but < 10 mils THEN the following:

___ a. IF 24% Reactor Power THEN: WITH Operations Manager concurrence a controlled shutdown.

(IO.ZZ-0004) ___ b. IF Reactor Power <24%

THEN:

the Main Turbine (AC-0001) ___ B.3WITH Turbine Bearings 1-10 Vibration 10 mils for 15 minutes THEN the following:

a. IF 24% Reactor Power THEN: ___ 1. Recirc. Pump speed to MINIMUM.

___ 2. the Mode Switch in SHUTDOWN.

___ 3. the Main Turbine. ___ b. IF Reactor Power <24%

THEN the Main Turbine. B. Main Turbine high vibration.

Date/Time:

___ I.A Recirc. Pump speed to MINIMUM. ___ I.B the Mode Switch in SHUTDOWN.I. Loss of Stator Cooling for > 2 min.

AND Reactor Power > 24%

Date/Time:

___ I.C the Main Turbine. II.A IF Reactor Power is 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM. ___ b. the Mode Switch in

SHUTDOWN. II. Bearing 1-10 Vibration 11 mils @ 1800 RPM

  • Bearing 11-12 Vibration 7 mils @ 1800 RPM
  • Date/Time:

___ II.B the Main Turbine.III. Failure of Main Turbine to runback on a Loss of Stator

Water Cooling.

Date/Time:

___ III.A

___ III.B Recirc Pump speed to MINIMUM. the Mode Switch in SHUTDOWN.* Vibration Limits may be exceeded during testing evolutions under an approved test plan with Engineering concurrence.

3. Vibration value of 40 mils is based on the potential for bearing damage should bearing clearances be exceeded. CRIDS is limited to 15 mils. Vibration readings > 15 mils can be monitored on Main Control Room System 1 co mputer or locally at TSI cabinet 10C366. 4. Upon Main Turbine and Reactor Feed Pump Trip the applicable drain valves will reposition to OPEN. Should this occur, these valves should be returned to the CLOSED position.

Valves: AB-HV-F016, CTMT INBD STM LINE DRAIN HDR ISLN INBOARD MOV AB-HV-F019, CTMT INBD STM LINE DRAIN HDR ISLN OUTBOARD MOV 1-CG-HV-1968A1,A2,A3(B1,B2,B3), EJEC A(B) 1 ST STG. JET SUCT. 1-AB-HV-2016A(B), SJAE A(B) INL VLV. 1-CG-HV-1972 A(B,C), CNDSR SEC A(B,C) VAC BKR. 1-CA-HV-1991, STM SEAL EVAP MN STM. 1-CA-HV-1990A(B), STM PKG EXH FAN A(B).

Equipment: AK103(BK103), STEAM PACKING EXHAUSTER FAN.

___ B.4 IF Bearing Vibration is elevated (>15 mils) following a turbine trip, vibration on Main Control Room System 1 computer. IF System 1 is unavailable, THEN an Operator to the TSI cabinet 10C366 to continuously monitor turbine vibration.

___ a. IF sustained Bearing Vibration 40 mils with turbine speed above the critical speed range of 1200-1250 RPM,

AND Turbine damage is imminent THEN vacuum as follows:

___ 1. Recirc Pump Speed to MINIMUM.

___ 2. the Mode Switch in SHUTDOWN.

___ 3. the MSIVs AND Main Steam line drains F016/F019.

4. the following are CLOSED:

___ Main Turbine Stop Valves.

___ Control Valves.

___ Main Turbine Bypass Valves.

___ 5. CG-HV-1968 A1, A2, A3 (B1, B2, B3).

___ 6. AB-HV-2016A(B).

___ 7. CG-HV-1972A/B/C

___ 8. the following valves remain CLOSED: ___ Reactor Feed Pump Steam Line Drains.

___ Main Steam Line Drains.

9. WHEN Main Condenser Pressure is 29"HgA, THEN
___ a. CA-HV-1991.

___ b. AK103 (BK103).

B. Main Turbine high vibration.

___ c. HV-1990A(B) CLOSES.

___ I.A Recirc. Pump speed to MINIMUM.

___ I.B the Mode Switch in SHUTDOWN. I. Loss of Stator Cooling for > 2 min.

AND Reactor Power > 24%

Date/Time:

___ I.C the Main Turbine. II.A IF Reactor Power is 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM. ___ b. the Mode Switch in SHUTDOWN.II. Bearing 1-10 Vibration 11 mils @

1800 RPM

  • Bearing 11-12 Vibration 7 mils @

1800 RPM

  • Date/Time:

___ II.B the Main Turbine.III. Failure of Main Turbine to runback on a Loss of Stator Water Cooling.

Date/Time:

___ III.A

___ III.B Recirc Pump speed to MINIMUM. the Mode Switch in SHUTDOWN.

  • Vibration Limits may be exceeded during testing evolutions under an approved test plan with Engineering concurrence.
5. Upon Main Turbine and Reactor Feed Pump Trip the applicable drain valves will reposition to OPEN. Should this occur, these valves should be returned to the CLOSED position. Valves: AB-HV-F016, CTMT INBD STM LINE DRAIN HDR ISLN INBOARD MOV AB-HV-F019, CTMT INBD STM LINE DRAIN HDR ISLN OUTBOARD MOV 1-CG-HV-1968A1,A2,A3(B1,B2,B3), EJEC A(B) 1 ST STG. JET SUCT. 1-AB-HV-2016A(B), SJAE A(B) INL VLV. 1-CG-HV-1972 A(B,C), CNDSR SEC A(B,C) VAC BKR. 1-CA-HV-1991, STM SEAL EVAP MN STM. 1-CA-HV-1990A(B), STM PKG EXH FAN A(B).

Equipment: AK103(BK103), STEAM PACKING EXHAUSTER FAN.

___ C.1 Recirc Pump Speed to MINIMUM.

___ C.2 the Mode Switch in SHUTDOWN.

___ C.3 the Turbine AND the Generator.

___

C.4 Main Condenser Vacuum as follows:

___ a. the MSIVs AND Main Steam line drains F016/F019.

b. the following are CLOSED:

___ Main Turbine Stop Valves.

___ Control Valves.

___ Main Turbine Bypass Valves.

___ c. CG-HV-1968 A1, A2, A3 (B1, B2, B3).

___ d. AB-HV-2016A(B).

___ e. CG-HV-1972A/B/C

___ f. the following valves remain CLOSED:___ Reactor Feed Pump Steam Line Drains.

___ Main Steam Line Drains. g. WHEN Main Condenser Pressure is 29"HgA, THEN: ___ 1. CA-HV-1991.

___ 2. AK103 (BK103). C. Evidence of physical damage on EITHER: Main Turbine

OR Turbine Auxiliaries

Date/Time:

___ 3. HV-1990A(B) CLOSES.

___ I.A Recirc. Pump speed to MINIMUM. ___ I.B the Mode Switch in SHUTDOWN.I. Loss of Stator Cooling for > 2 min.

AND Reactor Power > 24%

Date/Time:

___ I.C the Main Turbine. II.A IF Reactor Power is 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM. ___ b. the Mode Switch in

SHUTDOWN. II. Bearing 1-10 Vibration 11 mils @ 1800 RPM

  • Bearing 11-12 Vibration 7 mils @ 1800 RPM
  • Date/Time:

___ II.B the Main Turbine.III. Failure of Main Turbine to runback on a Loss of Stator

Water Cooling.

Date/Time:

___ III.A

___ III.B Recirc Pump speed to MINIMUM. the Mode Switch in SHUTDOWN.* Vibration Limits may be exceeded during testing evolutions under an approved test plan with Engineering concurrence.

6. Generator VARS reduction may be secured once Stator Water Cooling is restored and stability guidelines described in A-5-500-EEE-1686 should be reviewed. 7. To determine conductivity prior to the Lo ss of Stator Water Cooling flow use chart recorder CR-3593B on Panel 10C650. 8. Ensure that conductivity indication/alarm is valid by checking that both the inlet and outlet indicators agree within 0.1 mho and are trending similarly. If >9.9 mhos the indication is off scale. If indication is <9.9 mhos at least 10 minutes should be allowed for indication to stabilize following stator flow restoration.

Procedures: A-5-500-EEE-1686 Artificial Island Operati ng Guide and Documentation (Engineering Evaluation)

D.1 the following:

___

both Stator Water Cooling Pumps AND tank level is normal.

___ Reactor Recirculation Pump Runback. ___

Main Turbine Runback.___ ___ Generator VARS to zero.

___ D.2IF Reactor Power 24% a Stator Cooling conductivity PRIOR to Loss of Stator Water Cooling Flow AND the following:

___ IF conductivity is < 0.5 mho, THEN WITHIN 60 minutes Stator Water Cooling OR Turbine.

___ IF conductivity is > 0.5 but < 9.9 mho, THEN WITHIN 3 minutes: Stator Water Cooling OR the Main Turbine.

___ IF conductivity is 9.9 mhos THEN the Main Turbine.

___ D.3UPON restoration of Stator Cooling flow IF Conductivity is 9.9 mhos OR >.5 mho AND continues to rise THEN the following:

a. IF 24% Reactor Power THEN
___ 1. Recirc. Pump speed to MINIMUM. ___ 2. the Mode Switch in SHUTDOWN.

___ 3. the Main Turbine. D. Loss of Stator Cooling Date/Time:

___ b. IF Reactor Power <24%

THEN the Main Turbine.

___ I.A Recirc. Pump speed to MINIMUM.

___ I.B the Mode Switch in SHUTDOWN. I. Loss of Stator Cooling for > 2 min.

AND Reactor Power > 24%

Date/Time:

___ I.C the Main Turbine. II.A IF Reactor Power is 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM. ___ b. the Mode Switch in SHUTDOWN.II. Bearing 1-10 Vibration 11 mils @

1800 RPM

  • Bearing 11-12 Vibration 7 mils @

1800 RPM

  • Date/Time:

___ II.B the Main Turbine.III. Failure of Main Turbine to runback on a Loss of Stator Water Cooling.

Date/Time:

___ III.A

___ III.B Recirc Pump speed to MINIMUM. the Mode Switch in SHUTDOWN.

  • Vibration Limits may be exceeded during testing evolutions under an approved test plan with Engineering concurrence.
9. When the Emergency Seal Oil Pump is in operation hydrogen purity should be monitored periodically and if prolonged operation is necessary, the Seal Oil Vacuum Pump should be secured. Valves: 1-CC-SV-3523, PURITY METER VENT, 10C650, MAIN CONTROL ROOM. 1-CC-V031, GEN MAINT. ISLN VLV. (102' TURBINE BLDG.) 1-CC-V034, GEN CASING VNT TO ATM ISLN VLV. (102' TURBINE BLDG.) Procedures: HC.OP-SO.CE-0001(Q), STATOR WATER COOLING SYSTEM OPERATION.

Equipment: SWC Pump Control Switches (10C120 Generator H2 & Stator Cooling Water Panel,

TB El. 102')

___ E. Hydrogen Seal Oil SystemMalfunction.

Date/Time:

___ E.1 IF the Emergency Seal Oil Pump fails to auto start, THEN the Emergency Seal Oil Pump. F.1 IF Reactor Power 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM.

___ b. the Mode Switch in Shutdown.

___ F.2 the Turbine AND the Generator.

___

___ F.3 BOTH Stator Water Cooling Pump Control Switches to PULL TO LOCK. F. Generator H 2 pressure drops below 63 psig.

Date/Time:

___ F.4 Breaker 52-112113 Stator Coolant Water Heater 10E113 power supply.

G.1 IF Reactor Power 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM.

___ b. the Mode Switch in Shutdown.___ G.2 the Turbine AND the Generator.

G.3 the following:

___ unnecessary personnel from Turbine Generator Area

___ Turbine Building Ventilation in Purge

___

all available Turbine Building Exhaust / Supply Fans.___

the following:___ 1-CC-V031

___ 1-CC-V034.

___ SV-3523 ___

Site Protection to evaluate H 2 concerns in the Turbine Building. G. Both the Emergency Seal Oil Pump AND The Main Seal Oil Pump

CANNOT be started, OR BEFORE Generator H 2 pressure drops below 30 psig.

Date/Time:

___ I.A Recirc. Pump speed to MINIMUM.

___ I.B the Mode Switch in SHUTDOWN. I. Loss of Stator Cooling for > 2 min.

AND Reactor Power > 24%

Date/Time:

___ I.C the Main Turbine. II.A IF Reactor Power is 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM. ___ b. the Mode Switch in SHUTDOWN.II. Bearing 1-10 Vibration 11 mils @

1800 RPM

  • Bearing 11-12 Vibration 7 mils @

1800 RPM

  • Date/Time:

___ II.B the Main Turbine.III. Failure of Main Turbine to runback on a Loss of Stator Water Cooling.

Date/Time:

___ III.A

___ III.B Recirc Pump speed to MINIMUM. the Mode Switch in SHUTDOWN.

  • Vibration Limits may be exceeded during testing evolutions under an approved test plan with Engineering concurrence.
Valves: 1-CD-V001, FLOAT TRAP BYP VLV. 1-CD-V003, FLOAT TRAP OTL ISOL VLV. 1-CD-V009, PCV 3096 INL ISOL VLV. 1-CD-V010, PCV 3096 OTL ISOL VLV. 1-CD-V011, PCV 3096 BYP VLV 1-CD-V015, FLOAT TRAP INL ISOL VLV. P-CD-V9996, LG 3073 FLOAT TRAP UPPER BYP VLV. P-CD-V9997, LG 3073 FLOAT TRAP LOWER BYP VLV. P-CD-V9998, LG 3073 FLOAT TRAP LOWER ISOL VLV.

P-CD-V9999, LG 3073 FLOAT TRAP UPPER ISOL VLV.

Valves: 1-CC-SV-3523, PURITY METER VENT, 10C650, MAIN CONTROL ROOM. 1-CC-V031, GEN MAINT. ISLN VLV. (102' TURBINE BLDG.) 1-CC-V034, GEN CASING VNT TO ATM ISLN VLV. (102' TURBINE BLDG.)

Indications: MACHINE GAS PRESSURE (H2 pressure) PI-3579 (10C120 Generator H2 & Stator Cooling Water Panel, TB El. 102')

G.4 BEFORE H2 Pressure drops to 3 psig AND Generator H2 Pressure can be maintained <8 psig the following:

___ SV-3523 ___ 1-CC-V031 G. Both the Emergency Seal Oil Pump AND The Main Seal Oil Pump CANNOT be

started, OR BEFORE Generator H2 pressure drops below 30 psig.

___ 1-CC-V034

___ H.1 1-CD-V011 to maintain Seal Oil Pressure 5 psig > H 2 Pressure.

H.2 the following valves:

___ 1-CD-V009 H. Pressure Control Valve (PCV-3096)

Malfunction.

Date/Time:

___ 1-CD-V010 I.1 the following valves:

___ 1-CD-V015

__ 1-CD-V003 I.2 the following valves:

___ P-CD-V9996

___ P-CD-V9997 I.3 the following valves:

___ P-CD-V9998

___ P-CD-V9999 I. Float Trap Malfunction.

Date/Time:

___ I.4 1-CD-V001 to maintain oil level in sight glass LG-3073.

___ I.A Recirc. Pump speed to MINIMUM. ___ I.B the Mode Switch in SHUTDOWN.I. Loss of Stator Cooling for > 2 min.

AND Reactor Power > 24%

Date/Time:

___ I.C the Main Turbine. II.A IF Reactor Power is 24% THEN the following:

___ a. Recirc. Pump speed to MINIMUM. ___ b. the Mode Switch in

SHUTDOWN. II. Bearing 1-10 Vibration 11 mils @ 1800 RPM

  • Bearing 11-12 Vibration 7 mils @ 1800 RPM
  • Date/Time:

___ II.B the Main Turbine.III. Failure of Main Turbine to runback on a Loss of Stator

Water Cooling.

Date/Time:

___ III.A

___ III.B Recirc Pump speed to MINIMUM. the Mode Switch in SHUTDOWN.* Vibration Limits may be exceeded during testing evolutions under an approved test plan with Engineering concurrence.

10. Ensure that conductivity indication/alarm is valid by checking that both the inlet and outlet indicators agree within 0.1 mho.

Valves: P-CE-V9981, Deionizer Outlet Isolation Valve P-CE-V9994, Deionizer Inlet Isolation Valve Indications: 1CETISH-3594, Stator Windi ng Outlet Temperature

___ J.1 IF Stator Water Cooling inlet temperature has or is expected to exceed 122 F (50 C), THEN the demineralizer as follows:

___ a. P-CE-9981

___ b. P-CE-9994

___ J.2 TACS Isolation Valves are OPEN to the Stator Cooling Heat Exchangers. J.3 IF TCV-3604 is malfunctioning: ___ a.

P-CE-V9944 to isolate air to the TC-3604 to achieve full flow through the

Stator Water Coolers.___ b.

temperature at 1CETISH-3594.J. High Stator Water Cooling Temperature.

Date/Time:

___ c.

EG-V311 and EG-V313 to achieve desired Stator Winding Outlet

Temperatures.___ ___ K.1 actual conductivity by comparing Inlet and Outlet indications.

___ K.2 IF Conductivity >.5 mhos THEN Engineering for guidance.

K.3 IF Conductivity 9.9 mhos THEN the following:

a. IF 24% Reactor Power THEN: ___ 1. Recirc. Pump speed to MINIMUM. ___ 2. the Mode Switch in SHUTDOWN.

___ 3. the Main Turbine. K. Stator Cooling High Conductivity.

Date/Time:

___ b. IF Reactor Power <24%

THEN AND the Main Turbine.

1.1 the entry Condition into the abnormal in the Comments Section. ____

1.2 in the comments section all systems affected by the implementation of this procedure AND restoration actions (i.e. restoration line ups) completed/required. ____

1.3 photocopies of any Hard Cards utilized as part of this

procedure implementation to Attachment 1. ____

1.4 the Exit time for any applicable conditions and this abnormal are annotated in the comment section AND the Control Room Logs. ____

1.5 completed Portions of this procedure AND Sections 1 and 2 of Attachment 1 to SM/CRS for approval and Record Retention. ____

________________________________________________________________________ ________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

Completion of this attachment is annotated in the Control Room Logs:

Printed Name Signature Date/Time This procedure and Attachment 1 have been reviewed for completeness and accuracy.

Entry/Exit conditions and all deficiencies, including corrective actions, are clearly recorded in the COMMENTS Section above.

Printed Name SM/CRS Date/Time 4.1 the following in accordance wit h RM-AA-101, Records Management Program: Procedure cover page Affected Conditions and Hard Cards performed Completion and Review section Attachment 1

Biennial Review Performed: Yes No NA Packages and Affected Document Numbers incorporated into this revision:

CP No. CP Rev.

AD No.

Rev No.

None The following OTSCs were incorporated into this revision: None Adds Step A.4 to provide extraction steam from Main Steam to the Steam Seal evaporator. (70092163-0040) Adds the word 'inlet' to Step J.1 to make the step more clear. This is an editorial change.

(70091056-0020)

None