ML052700062

Tech Spec Pages for Amendment 289 Control Room Isolated Radiation Monitoring Instrumentation

ML052700062
Person / Time
Site:	Millstone
Issue date:	09/23/2005
From:	NRC/NRR/DLPM
To:
References
TAC MC4172
Download: ML052700062 (2)

Text

TABLE 3.3-6 r RADIATION MONITORING INSTRUMENTATION MINIMUM CHANNELS APPLICABLE ALARM/TRIP MEASUREMENT zMr INSTRUMENT OPERABLE MODES SETPOINT RANGE ACTION

1. AREA MONITORS I

a. Delete t'3

b. Control Room Isolation 2 ALL MODES 2 mR/hr 10 104 mR/hr 16 I

c. Containment High Range I 1, 2, 3, & 4 100 R/hr 10° - 108 R/hr 17

2. PROCESS MONITORS

a. Containment 1 1, 2, 3, & 4 NA 10 - 10+6 cpm 14 w Atmosphere-Particulate we b. Containment I 1, 2, 3, & 4 NA 10- 10+6 cpm 14 Atmosphere-Gaseous

c. Noble Gas Effluent 1 1, 2, 3, & 4 2 x 10-1 uci/cc 103 - 105 uci/cc 17 Monitor (high range)

(Unit 2 stack) n z

0

$t 03 CD

TABLE 3.3-6 (Continued)

TABLE NOTATION (a) DELETED ACTION 13 - DELETED ACTION 14 - With the number of process monitors OPERABLE less than required by the MINIMUM CHANNELS OPERABLE requirement, comply with the ACTION requirements of Specification 3.4.6.1.

ACTION 15 - DELETED ACTION 16 - 1) With the number of OPERABLE channels one less than required by the MINIMUM CHANNELS OPERABLE requirement, restore the inoperable channel to OPERABLE status within 7 days or initiate and maintain operation of the control room emergency ventilation system in the recirculation mode of operation.

2) With the number of OPERABLE channels two less than required by the MINIMUM CHANNELS OPERABLE requirement, within I hour initiate and maintain operation of the control room emergency ventilation system in the recirculation mode of operation.

ACTION 17 - With the number of OPERABLE channels less than required by the MINIMUM CHANNELS OPERABLE requirements, initiate the preplanned alternate method of monitoring the appropriate parameter(s), within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, and:

1) either restore the inoperable channel(s) to OPERABLE status within 7 days of the discovery or

2) prepare and submit a Special Report to the Commission pursuant to Specification 6.9.2 within 14 days following discovery outlining the action taken, the cause of the inoperability and the plans and schedule for restoring the system to OPERABLE status.

MILLSTONE - UNIT 2 3/4 3-26 Amendment No. 2, 400, 420, 24, 2,2284,289