ML20245H567
| ML20245H567 | |
| Person / Time | |
|---|---|
| Site: | Byron, Braidwood, 05000000 |
| Issue date: | 06/23/1989 |
| From: | COMMONWEALTH EDISON CO. |
| To: | |
| Shared Package | |
| ML20245H564 | List: |
| References | |
| NUDOCS 8906290524 | |
| Download: ML20245H567 (2) | |
Text
4 2
(.:.n REACTOR COOLANT SYSTEM' 3/4.4.6 REACTOR' COOLANT SYSTEM LEAKAGE-l LEAKAGE DETECTION SYSTEMS LIMITING CONDITION FOR OPERATION 1
3.4.6.1 -
j The following Reactor Coolant System Leakage Detection Systems shall be OPERA 8LE:
The. Containment Atmosphere Particulate Radioactivity Monitoring System, a.
b.
L The Containment Floor Drain and. Reactor Cavity Flow Monitoring System, and The Containment Gaseous Radioactivity Monitoring System.
c.
APPLICABILITY: -MODES 1, 2, 3, and 4.
ACTION:
With a, or c. of the above required Leakage Detection Systems inoperable, a.
operation may continue for up to 30 days provided grab samples of the containment-atmosphere are obtained and. analyzed for gaseous and particulate
. radioactivity at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> when the required Gaseous or Particulate Radioactivity Monitoring System is' inoperable; otherwise,-be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN w the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
(restone to OPGABLE eur, u!m,,,7dyp%.J,.).
b.
With b. of the'above required Leakage Detection Systems inoperableAbe in at i
least~ HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN w following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
With a. and c. of the above required Leakage Detection Systems inoperable:
c.
1)
Restore either Monitoring System (s. or c.) to 0PERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> and-2)
Obtain and analyze a grab sample of the containment atmosphere for gaseous and particulate radioactivity at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, and 3)
Perform a Reactor Coolant System water inventory balance at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.
Otherwise, be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
SURVEILLANCE REQUIREMENTS 4.4.6.1 The Leakage Detection Systems shall be demonstrated UPERA8LE by:
Containment Atmosphere Gaseous and Particulate Monitoring System-a.
performance of CHANNEL CHECK, CHANNEL CALIBRATION, and DIGITAL CHANNEL OPERATIONAL TEST at the frequencies specified in Table 4.3-3, BYRON - UNITS 1 & 2 3/4 4-20 AMENDMENT NO. N 8906290524 890623 PDR ADOCK 05000454 P.
=. y a.
4
-. REACTOR COOLANT SYSTEM 3/4.4.6 REACTOR' COOLANT' SYSTEM LEAKAGE h
LEAKAGE DETECTION SYSTEMS LIMITING CONDITION FOR OPERATION 3.4.6.1 The following Reactor Coolant System Leakage Detection Systems shall be OPERABLE:
The Containment Atmosphere Particulate Radioactivity Monitoring System, a.
b.
The Containment Floor Drain a.7d Reactor Cavity Flow Monitoring System, and l
1 Tne Containment Gaseous Radioactivity Monitoring System.
c.
APPLICABILITY: MODES 1, 2, 3, and 4.
I
_A_CTION:
}
With a. or c. of the above required Leakage Detection Systems incperable, a.
operation may continue for up to 30 days provided grab samples of the containment atmosphere are obtained and analyzed for gaseous and particulate j
radioactivity at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> when the required Gaseous or j
4 Particulate Radioactivity Monitoring System is inoperable; otherwise, be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within
_g the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
}reskre f:obrualk Sid*f eW 74ys;ehrwse- ]
~
b.
With b. of the above required Leakage Detection Systems inoperableA e in at
]
b least HOT STANDBY within the next 6 hourc and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
With a. and c. of the above required Leakage Detection Systems inoperable:
c.
1)
Restore either Monitoring System (a. or c.) to OPERABLE status within j
72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> and a
2)
Obtain and' analyze a grab sample of the containment atmosphere for gaseous and particulate radioactivity at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, and 3)
Perform a Reactor Coolant System water inventory balance at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.
4 Otherwise, be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
i SURVEILLANCE REQUIREMENTS a
4.4.6.1 The Leakage Detection Systems shall be demonstrated OPERABLE by:
Containment Atmosphere Gaseous and Particulate Monitoring System-l a.
performance of CHANNEL CHECK, CHANNEL CALIBRATION, and DIGITAL CHANNEL OPERATIONAL TEST at the frequencies specified in Table 4.3-3, j
b.
Containment Floor Drain and Reactor Cavity Flow Monitoring System-
{
performance of CHANNEL CALIBRATION at least once per 18 months,# and pg Verify the oil separator portion of the containment floor drain c.
collection sump has been filled to the level of the overflow to the containment floor drain unidentified leakage collection weir box once per 18 months, following refueling, and prior to initial startup.
- The specified 18 month interval may be extended to 32 months for cycle 1 only.
BRAIDWOOD - UNITS 1 & 2 3/4 4-20 AMENDMENTNO.[
u
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