ML050450174
| ML050450174 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 02/10/2004 |
| From: | NRC/NRR/DLPM |
| To: | |
| References | |
| TAC MC1578, TAC MC1579 | |
| Download: ML050450174 (2) | |
Text
MSSVs 3.7.1 3.7 PLANT SYSTEMS 3.7.1 Main Steam Safety Valves (MSSVs)
LCO 3.7.1 The MSSVs shall be OPERABLE as specified in Table 3.7.1-1 and Table 3.7.1-2.
APPLICABILITY:
MODES 1, 2, and 3.
ACTIONS
NOTE-------------------------------------
Separate Condition entry is allowed for each MSSV.
CONDITION REQUIRED ACTION COMPLETION TIME A. One or more required A.1 Reduce power to less 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> MSSVs inoperable.
than or equal to the applicable % RTP listed in Table 3.7.1-1.
AND A.2 Reduce the Power 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> Level-High Trip setpoint in accordance with Table 3.7.1-1.
I CALVERT CLIFFS - UNIT 1 CALVERT CLIFFS - UNIT 2 3.7.1-1 Amendment No.270 Amendment No.247
MSSVs 3.7.1 Table 3.7.1-2 Main Steam Safety Valve Lift Settings VALVE NUMBER LIFT SETTINGOl)
Steam Generator #1 Steam Generator #2 (psig)
RV-3992 RV-4000 935-1005 RV-3993 RV-4001 935-1005 RV-3994 RV-4002 935-1035 RV-3995 RV-4003 935-1035 RV-3996 RV-4004 935-1050 RV-3997 RV-4005 935-1050 RV-3998 RV-4006 935-1050 RV-3999 RV-4007 935-1050 (1)
Lift settings for a given steam line are also acceptable if any two valves lift between 935 and 1005 psig, any two other valves lift between l 935 and 1035 psig, and the four remaining valves lift between 935 and 1050 psig.
CALVERT CLIFFS - UNIT 1 CALVERT CLIFFS - UNIT 2 3.7.1-4 Amendment No. 270 Amendment No. 247