ML052510459
| ML052510459 | |
| Person / Time | |
|---|---|
| Site: | Fermi  |
| Issue date: | 08/30/2005 |
| From: | Detroit Edison |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML052510459 (13) | |
Text
DETROIT EDISON --Fi-MI 2 AUTOMATED RECORD MANAGEMENT DISTRIBUTION CONTROL LIST 08/30/05 To: 00935 US NRC PAGE 1 DOCUMENT CNTRL DESK WASHINGTON, DC 20555 Media: 8 1/2 X 11 Number Cnt Issue DTC Doc. Serial Number Page Rev Copies Lvl Date Sec Status TMTRM TRM VOL I 76 1 IR 08/30/05 AFC Please destroy or mark all revised, superseded, or cancelled documents as such. CONTROLLED stamps must be voided by lining through and initialing.
Detroit Edison EF2, C/O Info Mgmt 140 NOC, 6400 North Dixie Highway, Newport MI 48166. (734) 586-4338 OR (734) 586-4061 for questions or concerns.
Ref: cb1461 A'C'p
r LICENSING DOCUMENT TRANSMITTAL FERMI 2 TECHNICAL REQUIREMENTS MANUAL -VOL I Revision 76 dated 8/30/05 Immediately, upon receipt of the item(s) below, please insert and/or remove the pages indicated.
Destroy the removed pages. Be sure that Revision 75 has been inserted prior to inserting these pages.
Location Remove Insert In Front of TRM Manual Title Pace Rev 75 7/26/05 Title Page Rev 76 8/30/05 Immediately following List of Effective Pages List of Effective Pages Title Page LEP-1 through LEP- 4 Rev 75 7/26/05 LEP-1 throuch LEP- 4 Rev 76 8/30/05 Table of Contents Page TRM-i Rev 31 Page TRM-i Rev 76 Pace TRM-iv Rev 34 Page TRM-iv Rev 76 3.3 Instrumentation Page TRM 3.3-28 Rev 31 Page TRM 3.3-28 Rev 76 Pace TRM 3.3-29 Rev 31 Page TRM 3.3-29 Rev 76 B3.3 Instrumentation Page TRM B3.3.6-5 Rev 31 Page TRM B3.3.6-5 Rev 76 Page TRM B3.3.6-6 Rev 76 ENT
Fermi 2 Technical Requirements Manual Volume I Detroit Edison ARMS - INFORM4TION DTC: TMTRM IFile: 1754 . DSN: TRM VOL I IRev: 76 Date 8/30/05 Recipient 93 5
FERMI 2 - TECHNICAL REQUIREMENTS MANUAL VOL I LIST OF EFFECTIVE PAGES Page Revision Page Revision TRM i Revision 76 TRM 3.3-31 Revision 31 TRM ii Revision 73 TRM 3.3-32 Revision 31 TRM iii Revision 31 TRM 3.3-33 Revision 31 TRM iv Revision 76 TRM 3.3-34 Revision 31 TRM v Revision 70 TRM 3.3-35 Revision 60 TRM vi Revision 31 TRM 3.3-36 Revision 41 TRM 1.0-a Revision 31 TRM 3.3-37 Revision 72 TRN 1.0-1 Revision 31 TRM 3.3-38 Revision 31 TRM 2.0-1 Revision 31 TRM 3.3-39 Revision 31 TRM 3.0-a Revision 31 TRM 3.3-40 Revision 56 TRM 3.0-1 Revision 63 TRM 3.3-41 Revision 56 TRM 3.0-2 Revision 72 TRM 3.3-42 Revision 45 TRM 3.0-3 Revision 54 TRM 3.3-43 Revision 62 TRM 3.0-4 Revision 72 TRM 3.3-44 Revision 72 TRM 3.1-a Revision 31 TRM 3.3-45 Revision 31 TRN 3.1-1 Revision 31 TRM 3.3-46 Revision 31 TRM 3.2-1 Revision 31 TRM 3.3-47 Revision 31 TRM 3.3-a Revision 31 TRM 3.3-48 Revision 31 TRM 3.3-b Revision 31 TRM 3.3-49 Revision 31 TRM 3.3-c Revision 31 TRM 3.4-a Revision 31 TRM 3.3-d Revision 31 TRM 3.4-1 Revision 36 TRM 3.3-1 Revision 34 TRM 3.4-la Revision 71 TRM 3.3-2 Revision 59 TRM 3.4-lb Revision 71 TRM 3.3-3 Revision 31 TRM 3.4-2 Revision 31 TRM 3.3-4 Revision 31 TRN 3.4-3 Revision 31 TRM 3.3-5 Revision 31 TRM 3.4-4 Revision 31 TRM 3.3-6 Revision 31 TRM 3.4-5 Revision 31 TRM 3.3-7 Revision 31 TRM 3.4-6 Revision 31 TRM 3.3-8 Revision 31 TRM 3.4-7 Revision 31 TRM 3.3-9 Revision 31 TRM 3.4-8 Revision 31 TRM 3.3-10 Revision 31 TRM 3.4-9 Revision 31 TRM 3.3-11 Revision 31 TRM 3.4-10 Revision 31 TRM 3.3-12 Revision 67 TRM 3.5-1 Revision 31 TRM 3.3-13 Revision 74 TRM 3.6-a Revision 70 TRM 3.3-13a Revision 67 TRM 3.6-1 Revision 60 TRM 3.3-14 Revision 67 TRM 3.6-2 Revision 67 TRM 3.3-15 Revision 31 TRM 3.6-3 Revision 31 TRM 3.3-16 Revision 31 TRM 3.6-4 Revision 55 TRM 3.3-17 Revision 31 TRM 3.6-5 Revision 31 TRM 3.3-18 Revision 52 TRM 3.6-6 Revision 33 TRM 3.3-19 Revision 31 TRM 3.6-7 Revision 31 TRM 3.3-20 Revision 31 TRM 3.6-B Revision 31 TRM 3.3-21 Revision 59 TRM 3.6-9 Revision 66 TRM 3.3-22 Revision 31 TRM 3.6-10 Revision 31 TRM 3.3-23 Revision 31 TRM 3.6-11 Revision 31 TRM 3.3-24 Revision 31 TRM 3.6-12 Revision 31 TRM 3.3-25 Revision 31 TRM 3.6-13 Revision 71 TRM 3.3-26 Revision 31 TRM 3.6-14 Revision 31 TRM 3.3-27 Revision 31 TRM 3.6-15 Revision 31 TRM 3.3-28 Revision 76 TRM 3.6-16 Revision 31 TRM 3.3-29 Revision 76 TRM 3.6-17 Revision 31 TRM 3.3-30 Revision 31 TRM 3.6-18 Revision 31 TRM Vol. I LEP -1 REV 76 8/30/05
FERMI 2 - TECHNICAL REQUIREMENTS MAN!UAL VOL I LIST OF EFFECTIVE PAGES Page Revision Page Revision TRM 3.6-19 Revision 31 TRM 3.8-13 Revision 61 TRM 3.6-20 Revision 31 TRM 3.8-14 Revision 46 TRM 3.6-21 Revision 31 TRM 3.8-15 Revision 31 TRM 3.6-22 Revision 31 TRM 3.8-16 Revision 31 TRM 3.6-23 Revision 31 TRM 3.8-17 Revision 43 TRM 3.6-24 Revision 58 TRM 3.8-18 Revision 33 TRM 3.6-25 Revision 31 TRM 3.9-a Revision 31 TRM 3.6-26 Revision 31 TRM 3.9-1 Revision 31 TRM 3.6-27 Revision 31 TRM 3.9-2 Revision 65 TRM 3.6-28 Revision 31 TRM 3.9-3 Revision 31 TRM 3.6-29 Revision 31 TRM 3.9-4 Revision 31 TRM 3.6-30 Revision 31 TRM 3.9-5 Revision 31 TRM 3.6-31 Revision 31 TRM 3.10-1 Revision 31 TRM 3.6-32 Revision 70 TRM 3.11-a Revision 31 TRM 3.6-33 Revision 31 TRM 3.11-1 Revision 31 TRM 3.6-34 Revision 31 TRM 3.12-a Revision 31 TRM 3.6-35 Revision 31 TRM 3.12-1 Revision 75 TRM 3.7-a Revision 73 TRM 3.12-2 Revision 31 TRM 3.7-b Revision 31 TRM 3.12-3 Revision 31 TRM 3.7-1 Revision 60 TRM 3.12-4 Revision 53 TRM 3.7-2 Revision 70 TRM 3.12-5 Revision 53 TRM 3.7-3 Revision 70 TRM 3.12-6 Revision 53 TRM 3.7-4 Revision 73 TRM 3.12-7 Revision 31 TRM 3.7-5 Revision 31 TRM 3.12-8 Revision 57 TRM 3.7-6 Revision 31 TRM 3.12-9 Revision 40 TRM 3.7-7 Revision 31 TRM 3.12-10 Revision 31 TRM 3.7-8 Revision 31 TRM 3.12-11 Revision 49 TRM 3.7-9 Revision 31 TRM 3.12-12 Revision 31 TRM 3.7-10 Revision 44 TRM 3.12-13 Revision 75 TRM 3.7-11 Revision 31 TRM 3.12-14 Revision 31 TRM 3.7-12 Revision 72 TRM 3.12-15 Revision 31 TRM 3.7-13 Revision 31 TRM 3.12-16 Revision 75 TRN 3.7-14 Revision 31 TEN 3.12-17 Revision 31 TRM 3.7-15 Revision 31 TRM 3.12-18 Revision 75 TRM 3.7-16 Revision 31 TRM 3.12-19 Revision 31 TRM 3.7-17 Revision 31 TRM 3.12-20 Revision 75 TRM 3.7-18 Revision 31 TRM 3.12-21 Revision 31 TRM 3.7-19 Revision 31 TRM 3.12-22 Revision 31 TRM 3.7-20 Revision 31 TRM 3.12-23 Revision 31 TRM 3.8-a Revision 31 TRM 3.12-24 Revision 31 TRM 3.8-1 Revision 31 TRM 3.12-25 Revision 31 TRM 3.8-2 Revision 31 TRM 3.12-26 Revision 75 TRM 3.8-3 Revision 73 TRM 3.12-27 Revision 31 TRM 3.8-4 Revision 31 TRM 3.12-28 Revision 31 TRM 3.8-5 Revision 31 TRM 3.12-29 Revision 75 TRM 3.8-6 Revision 50 TRM 3.12-30 Revision 31 TRM 3.8-7 Revision 50 TRM 4.0-1 Revision 31 TRM 3.8-8 Revision 50 TRM 5.0-a Revision 31 TRM 3.8-9 Revision 50 TRM 5.0-1 Revision 31 TRM 3.8-10 Revision 50 TRM 5.0-2 Revision 31 TRM 3.8-11 Revision 50 TRM 5.0-3 Revision 31 TRM 3.8-12 Revision 31 TRM 5.0-4 Revision 31 TRM Vol. I LEP-2 REV 76 8/30/05
FERMI 2 - TECHNICAL REQUIREMENTS MANUAL VOL I LIST OF EFFECTIVE PAGES Page Revision Page Revision TRM 5.0-5 Revision 31 TRM B3.4.6-1 Revision 31 TRM 5.0-6 Revision 31 TRM B3.4.7-1 Revision 31 TRM 5.0-7 Revision 31 *TRM B3.5-1 Revision 31 TRM 5.0-8 Revision 31 TRM B3.6.1-1 Revision 31 TRM 5.0-9 Revision 31 TRM B3.6.2-1 Revision 67 TRM B1.0-1 Revision 31 TRM B3.6.3-1 Revision 68 TRM B2.0-1 Revision 31 TRM B3.6.4-1 Revision 31 TRM B3.0-1 Revision 63 TRM B3.6.5-1 Revision 31 TEM B3.0-2 Revision 63 TRM B3.6.6-1 Revision 70 TRM 33.0-2a Revision 72 TRM B3.6.7-1 Revision 31 TRM B3.0-2b Revision 72 TRM B3.6.8-1 Revision 31 TRM B3.0-2c Revision 72 TRM B3.7.1-1 Revision 31 TRM B3.0-3 Revision 31 TRM B3.7.2-1 Revision 31 TRM B3.0-4 Revision 31 TRM B3.7.3-1 Revision 73 TRM B3.0-5 Revision 54 TRM B3.7.4-1 Revision 31 TRM B3.0-6 Revision 72 TRM B3.7.4-2 Revision 31 TRM B3.0-7 Revision 72 TRM B3.7.5-1 Revision 31 TRM B3.1-1 Revision 31 TRM B3.7.6-1 Revision 31 TRM B3.2-1 Revision 31 TRM B3.7.7-1 Revision 31 TRM B3.3.1-1 Revision 31 TRM B3.7.8-1 Revision 31 TRM B3.3.1-2 Revision 31 TRM B3.7.9-1 Revision 31 TRM B3.3.2-1 Revision 31 TRM B3.7.9-2 Revision 31 TRM B3.3.2-2 Revision 31 TRM B3.8.1-1 Revision 31 TRM B3.3.3-1 Revision 67 TRE B3.8.2-1 Revision 31 TRM B3.3.4-1 Revision 31 TRM B3.8.3-1 Revision 31 TRM B3.3.4-2 Revision 31 TRM B3.8.4-1 Revision 31 TRM B3.3.5-1 Revision 31 TRM B3.8.5-1 Revision 31 TRM B3.3.5-2 Revision 31 TRM B3.8.6-1 Revision 43 TRM B3.3.6-1 Revision 31 TRM B3.9.1-1 Revision 31 TRM B3.3.6-2 Revision 31 TRM B3.9.2-1 Revision 65 TRM B3.3.6-3 Revision 31 TRM B3.9.3-1 Revision 31 TRM B3.3.6-4 Revision 31 TRM B3.9.4-1 Revision 31 TRM B3.3.6-5 Revision 76 TRM B3.10-1 Revision 31 TRM B3.3.6-6 Revision 76 TRM B3.11.1-1 Revision 31 TRM B3.3.7-1 Revision 31 TRM B3.12.1-1 Revision 31 TRM B3.3.7-2 Revision 31 TRM B3.12.2-1 Revision 44 TRM B3.3.8-1 Revision 31 TRM B3.12.3-1 Revision 31 TRM B3.3.9-1 Revision 31 TRM B3.12.4-1 Revision 31 TRM B3.3.10-1 Revision 56 TRM B3.12.5-1 Revision 31 TRM B3.3.11-1 Revision 7S TRM B3.12.6-1 Revision 31 TRM B3.3.12-1 Revision 62 TRM B3.12.7-1 Revision 31 TRM B3.3.13-1 Revision 31 TRM B3.12.8-1 Revision 31 TRM B3.3.14-1 Revision 31 TRM B3.4.1-1 Revision 31 TRM B3.4.1-2 Revision 71 TRM B3.4.1-3 Revision 71 TRM B3.4.1-4 Revision 71 TRM B3.4.1-5 Revision 71 TRM B3.4.2-1 Revision 31 TRM B3.4.3-1 Revision 31 TRM B3.4.4-1 Revision 31 TRM B3.4.5-1 Revision 31 TRM Vol. I LEP-3 REV 76 8/30/05
FERMI 2 - TECHNICAL REQUIREMENTS MANUAL VOL I LIST OF EFFECTIVE PAGES CORE OPERATING LIMITS REPORT COLR 11, Revision 0 Page Revision Notation Page 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0o 10 0 11 0 12 0 13 0 14 0 15 0 16 0 17 0 18 0 19 0 20 0 21 0 22 0 TRM Vol. I LEP-4 REV 76 8/30/05
FERMI 2 - TECHNICAL REQUIREMENTS MANUAL VOL I Table of Contents Section and Title Page TR 1.0 USE AND APPLICATION TR 1.0 USE AND APPLICATION TR 1.1 Definitions ...................................... TRM 1.0-1 TR 2.0 SAFETY LIMITS (SLs)(Blank) .......................... TRM 2.0-1 TR 3.0 Limiting Condition for Operation (TRLCO)
Applicability .................................... TRM 3.0-1 TR 3.0 Surveillance Requirement (TRSR) Applicability .... TRM 3.0-3 TR 3.1 REACTIVITY CONTROL SYSTEMS TR 3.1.1 Control Rod Drive Housing Support ................ TRM 3.1-1 TR 3.2 POWER DISTRIBUTION LIMITS (Blank) ................... TRM 3.2-1 TR 3.3 INSTRUMENTATION TR 3.3.1.1 Reactor Protection System (RPS) Instrumentation TRM 3.3-1 TR 3.3.1.2 Reactor Protection System (RPS) Shorting Links ... TRM 3.3-3 TR 3.3.2.1 Control Rod Block Instrumentation ................ TRM 3.3-4 TR 3.3.2.2 Feedwater and Main Turbine High Water Level Trip Instrumentation .................................. TRM 3.3-11 TR 3.3.3 Accident Monitoring Instrumentation . .......... TRM 3.3-12 TR 3.3.4.1 Anticipated Transient Without Scram Recirculation Pump Trip (ATWS-RPT) Instrumentation ............. TRM 3.3-15 TR 3.3.4.2 Traversing In-Core Probe (TIP) System ............ TRM 3.3-16 TR 3.3.5.1 Emergency Core Cooling System (ECCS)
Instrumentation .................................. TRM 3.3-17 TR 3.3.5.2 Reactor Core Isolation Cooling (RCIC) System Instrumentation .................................. TRM 3.3-20 TR 3.3.6.1 Primary Containment Isolation Instrumentation .... TRM 3.3-21 TR 3.3.6.2 Secondary Containment Isolation Instrumentation .. TRM 3.3-24 TR 3.3.6.3 Low-Low Set (LLS) Instrumentation ................ TRM 3.3-25 TR 3.3.6.4 Suppression Pool Water Temperature Instrumentation TRM 3.3-26 TR 3.3.6.5 TWMS Narrow Range Suppression Pool Water Level I Instrumentation .................................. TRM 3.3-28 TR 3.3.7.1 Control Room Emergency Filtration (CREF) System Instrumentation .................................. TRM 3.3-30 TR 3.3.7.2 Seismic Monitoring Instrumentation ............... TRM 3 .3-31 TR 3.3.8.1 Loss of Power (LOP) Instrumentation .............. TRM 3 .3-35 TR 3.3.9 Appendix R Alternative Shutdown Instrumentation .. TRM 3.3-37 TR 3.3.10 Chlorine Detection System ........................ TRM 3.3-40 TR 3.3.11 Loose-Part Detection System ...................... TRM 3.3-42 TR 3.3.12 Explosive Gas Monitoring Instrumentation ......... TRM 3.3-43 TR 3.3.13 Meteorological Monitoring Instrumentation ........ TRM 3.3-45 TR 3.3.14 Radiation Monitoring Instrumentation ............. TRM 3.3-47 TR 3.4 REACTOR COOLANT SYSTEM (RCS)
TR 3.4.1 Recirculation Loops Operating .................... TRM 3.4-1 (continued)
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FERMI 2 - TECHNICAL REQUIEM= S MANUAL VOL I Table of Contents (Cont'd)
Section and Title Page TR B3.3 INSTRUMENTATION TR B3.3.1.1 Reactor Protection System (RPS) Instrumentation TRM B3.3.1-1 TR B3.3.1.2 Reactor Protection System (RPS) Shorting Links TRM B3.3.1-2 TR B3.3.2.1 Control Rod Block Instrumentation .............. TRM B3.3.2-1 TR B3.3.2.2 Feedwater and Main Turbine High Water Level Trip Instrumentation ................................ TRM B3.3.2-2 TR B3.3.3 Accident Monitoring Instrumentation ............ TRM B3.3.3-1 TR B3.3.4.1 Anticipated Transient Without Scram Recirculation Pump Trip (ATWS-RPT) Instrumentation ........... TRM B3.3.4-1 TR B3.3.4.2 Traversing In-Core Probe (TIP) System .......... TRM B3.3.4-2 TR B3.3.5.1 Emergency Core Cooling System (ECCS)
Instrumentation ................................ TRM B3.3.5-1 TR B3.3.5.2 Reactor Core Isolation Cooling (RCIC) System Instrumentation ..................... TRM B3.3.5-2 TR B3.3.6.1 Primary Containment Isolation Instrumentation TRM B3 .3.6-1 TR B3.3.6.2 Secondary Containment Isolation Instrumentation TRM B3.3.6-2 TR B3.3.6.3 Low-Low Set (LLS) Instrumentation .............. TRM B3.3.6-3 TR B3.3.6.4 Suppression Pool Water Temperature Instrumentation ................................ TRM B3.3.6-4 TR B3.3.6.5 TWMS Narrow Range Suppression Pool Water Level Instrumentation ................................ TRM B3.3.6-5 TR B3.3.7.1 Control Room Emergency Filtration (CREF) System Instrumentation ................................ TRM B3.3.7-1 TR B3.3.7.2 Seismic Monitoring Instrumentation ............. TRM B3.3.7-2 TR B3.3.8.1 Loss of Power (LOP) Instrumentation ............ TRM B3.3.8-1 TR B3.3.9 Appendix R Alternative Shutdown Instrumentation TRM B3 .3.9-1 TR B3.3.10 Chlorine Detection System ...................... TRM B3 .3.10-1 TR B3.3.11 Loose-Part Detection System .................... TRM B3 .3.11-1 TR B3.3.12 Explosive Gas Monitoring Instrumentation ....... TRM B3.3.12-1 TR B3.3.13 Meteorological Monitoring Instrumentation ...... TRM B3.3.13-1 TR B3.3.14 Radiation Monitoring Instrumentation ........... TRM B3.3.14-1 TR B3.4 REACTOR COOLANT SYSTEM (RCS)
TR B3.4.1 Recirculation Loops Operating .................. TRM B3.4.1-1 TR B3.4.1.1 Recirculation Loops Operating - Regions ........ TRM B3.4.1-2 TR B3.4.2 Safety Relief Valve (SRV) Position Indication TRM B3 .4.2-1 TR B3. 4. 3 Reactor Coolant System (RCS) Leakage Detection System ...... TRM B3.4.3-1 TR B3.4.4 Reactor Pressure Vessel Water Level - Cold Shutdown ....................................... TRM B3.4.4-1 TR B3.4.5 Chemistry ...................................... TRM B3.4.5-1 TR B3.4.6 Structural Integrity ........................... TRM B3.4.6-1 TR B3.4.7 Recirculation Pump MG Set Scoop Tube ........... TRM B3 .4.7-1 TR B3.5 EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLANT (RCIC) SYSTEM (Blank) ... ........ TRM B3.5-1 (continued)
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TWMS Narrow Range Suppression Pool Water Level Instrumentation I TR 3.3.6.5 TR 3.3 INSTRUMENTATION TR 3.3.6.5 TWMS Narrow Range Suppression Pool Water Level Instrumentation I TRLCO 3.3.6.5 The single TWMS narrow range suppression pool water level instrumentation channel shall be OPERABLE. I APPLICABILITY: MODES 1, 2, and 3.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. TWMS channel A.1 Restore channel to 7 days inoperable. OPERABLE status. I OR A.2 Verify suppression Once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> pool water level is within limits.
B. Required Action and B.1 Perform OPERABILITY Immediately associated Completion assessment on Time not met. Technical Specification LCO 3.6.2.2, Suppression Pool Water Level.
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TWMS Narrow Range Suppiession Pool Water Level Instrumentation I TR 3.3.6.5 SURVEILLANCE REQUIREMENTS __._.__
SURVEILLANCE FREQUENCY TRSR 3.3.6.5.1 Perform CHANNEL CHECK. 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> TRSR 3.3.6.5.2 Perform CHANNEL FUNCTIONAL TEST. 92 days I
TRSR 3.3.6.5.3. Perform CHANNEL CALIBRATION. The setpoints 18 months shall be: I
- a. High water level < 14 ft. 8 inches; and
- b. Low water level > 14 ft. 4 inches.
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TWMS Narrow Range Suppression Pool Water Level Instrumentation TR B3.3.6.5 TR B3.3 INSTRUMENTATION TR B3.3.6.5 TWMS Narrow Range Suppression Pool Water Level Instrumentation BASES Torus water level must be maintained between an indicated level of 14 ft, 4 inches (-2 inches indication) and 14 ft, 8 inches (+2 inches indication), in accordance with Technical Specification LCO 3.6.2.2. The most accurate instrumentation for monitoring suppression pool water level is the Torus Water Management System (TWMS) narrow-range suppression pool water level instrumentation. There is only one channel of the TWMS narrow range suppression pool water level instrumentation. It consists of a transmitter (G51-N402), a signal converter (G51-K404), a low/low-low level switch (G51-N408), a high/high-high level switch (G51-N409),
another signal converter (G51-K406), and an indicator (G51-R402 on the main control room panel'H11-P807). The level switches drive alarms with setpoints of +/- 1.5 inches (high/low) and +/- 2.0 inches (high-high/low-low) to alert the operators prior to reaching the TS 3.6.2.2 limits of 14 ft, 4 inches and'14 ft, 8 inches. The G51 instrumentation, with a range of 6 inches, from 14 ft, 3 inches to 14 ft, 9 inches, along with being the most accurate instrument, has the greatest measurement resolution; and thus, is the preferred instrumentation for' monitoring suppression pool water level. This instrumentation is controlled by this LCO and is evaluated in Design Calculation DC-4543.
The HPCI narrow range suppression pool water level instrumentation (E41),
which is controlled in accordance with Technical Specification 3.3.5.1, and evaluated in Design Calculation DC-4534, provides an alternate means for monitoring the suppression pool water level. There are two channels of the HPCI narrow range suppression pool water level instrumentation, consisting of sensors E41-N062B and D, trip units with indication E41-N662B and D, and IPCS indication. The E41 channels have a 20-inch measurement range, from 13 ft, 8 inches to 15 ft, 4 inches, and thus provide a less accurate measurement than the G51 instrumentation.
The Post Accident Monitoring System suppression pool water level instrumentation (T50), which is described and controlled in accordance with Technical Specification 3.3.3.1 and Design Calculation DC-4534 provides another alternate means for monitoring the suppression pool water level. There are two channels of T50 wide range suppression pool water level monitoring instrumentation, consisting of sensors T50-N406A and B, recorders T50-R804A and B, and IPCS indication. The T50 channels have a 200-inch measurement range, from 2 ft, 6 inches to 19 ft, 2 inches, and thus provide an even less accurate measurement than either the G51 or the E41 instrumentation.
The ACTIONS and the SURVEILLANCE REQUIREMENTS listed for TRLCO 3.3.6.5 apply only to the G51 instrumentation, with the exception of the channel check, which compares the G51 instrumentation with the E41 (continued)
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TWMS Narrow Range Suppression Pool Water Level Instrumentation TR B3.3.6.5 BASES instrumentation. The E41 and the T50 instrumentation are not specified in the LCO; and thus, do not require entry into Condition A when they become inoperable. However, the E41 and the T50 instrumentation may be used to verify that suppression pool water level is within limits, as specified in Required Action A.2, when the G51 instrumentation is inoperable. Technical-Specification 3.3.5.1 provides the ACTIONS and the SURVEILLANCE REQUIREMENTS for the E41 instrumentation, and Technical Specification 3.3.3.1 provides the ACTIONS and the SURVEILLANCE REQUIREMENTS for the T50 instrumentation. TS LCO 3.3.5.1 should be followed for an inoperable E41 instrument, and TS LCO 3.3.3.1 should be followed for an inoperable T50 instrument. TRLCO, 3.3.6.5 should not be construed to apply to the E41 or the T50 instrumentation in any way, other than to be used for channel checks or to verify that suppression pool water level is within limits, as specified in Required Action A.2, when the G51 instrumentation is inoperable.
TRLCO 3.3.6.5 requires the single channel of TWMS (G51) narrow range suppression pool water level instrumentation to be OPERABLE in MODES 1, 2, and 3. Condition A is intended to ensure that appropriate actions are taken if this channel becomes inoperable. The channel is considered OPERABLE if any combination of transmitter (G51-N402), signal converters (G51-K404 and K406), level switches and alarms (G51-N408 and N409),
and/or indicator (G51-R402) function, such that suppression pool level can be ascertained using this instrumentation. If the single TWMS channel becomes inoperable, efforts must be made to restore the channel to OPERABLE status within 7 days, or the suppression pool water level must be determined to be within specification every 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> using an alternate means, which may include either or both channels of the E41 narrow range suppression pool water level instrumentation (preferred), or either or both channels of the T50 wide range suppression pool water level instrumentation. Condition B requires immediate performance of an OPERABILITY assessment for Technical Specification LCO 3.6.2.2, Suppression Pool Water Level, if Condition A is not met.
Note that the alarm function of this instrumentation is the actual component being tested in the Channel Functional Test out of convenience.
Failure of the Channel Functional Test constitutes failure to meet the LCO; and thus, requires entry into Condition A. However, if indicator G51-R402 is still available and believed to be reliable through Channel Check or otherwise, it may continue to be used to verify suppression pool water level in accordance with Required Action A.2 until the LCO is once again met.