ML20214F375

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Proposed Tech Specs Re Applicability Requirement for Rod Block Monitor Operability
ML20214F375
Person / Time
Site: Brunswick  Duke Energy icon.png
Issue date: 05/15/1987
From:
CAROLINA POWER & LIGHT CO.
To:
Shared Package
ML20214F354 List:
References
NUDOCS 8705260051
Download: ML20214F375 (10)
v • d • e


Text

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n. - 7 s

O ENCLOSURE I TO NLS-87-028 PROPOSED TECHNICAL SPECIFICATION PAGES BRUNSWICK-1 ROD BLOCK MdNITOR OPERABILITY (84TSB12) e G

e 9

I 8705260051 870515 PDR ADOCK0500g24 P

  • 1

SUMMAR LIST OF REVISIONS PAGE NO. DESCRIPTION 3/4 1-17 APPLICABILITY .- Change to read " OPERATIONAL CONDITION 1, when THERMAL POWER is greater than or equal to 30% of RATED THERMAL POWER."

3/4 3-41 Table 3.3.4 Change Note

  • to read "When THERMAL POWER is greater than or equal to 30% of RATED THERMAL POWER."

3/4 3-43a Table 4.3.4 Change Note

  • to read "When THERMAL POWER is greater than or equal to 30% of RATED THERMAL POWER."

Change " Condition" to " Operational Condition" in footnote d.

b g 4 g

f

, (BSEP-1-64)'

REACTIVITY CONTROL SYSTEMS

. ROD' BLOCK MONITOR .

-LIMITING CONDITION FOR OPERATION 3.1.4.3 Both Rod Block Monitor (RBM) channels shall be OPERABLE.

~

APPLICABILITY: ' OPERATIONAL ~ CONDITION l', when THERMAL POWER.is greater than or equal to 30% of RATED THERMAL POWER.-

ACTION: ,

s. With one RBM channel inoperable, POWER OPERATION may continue provided that eithers.

. 1. The inoperable RBM channel'is restored to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, or

2. The' redundant RBM is demonstrated OPERABLE within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> and at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> until the inoperable RBM is restored to OPERABLE status, and the' inoperable RBM is restored to OPERABLE status within 7 days, or
3. THERMAL POWER is limited such that MCPR will remain above 1.07

, assuming a single error that results in complete withdrawal.of any single control rod that is capable of withdrawal.

Otherwise, trip at least one rod block monitor channel.

b. .With both RBH channels inoperable, trip at least one rod block monitor channel within one hour.

SURVEILLANCE REQUIREMENTS 4.1.4.3 Each of the above required RBM channels shall be demonstrated OPERABL,E by performance of a CHANNEL FUNCTIONAL TEST and CHANNEL CALIBRATION at the frequencies and during the OPERATIONAL CONDITIONS specified in Table 4.3.4-1.

3 BRUNSWICK - UNIT 1 3/4 1-17 Amendment No.

k

(BSEP-1-64)

TABLE 3.3.4-1 (continued)

CONTROL ROD WITHDRAWAL BLOCK INSTRUMENTATION NOTE (a) The minimum number of OPERABLE CHANNELS may be reduced by one for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> in one of the trip systems for maintenance and/or testing except for Rod Block Monitor function. ,

(b) This function is bypassed if detector is reading >100 cps or the IRH channels are on range 3 or higher.

~

(c) This function is bypassed when the associated IRM channels are on range 8 or higher.

(d) A total of 6 IRM instruments must by OPERABLE.

(e) This function is bypassed when the IRM channels are on range 1.

  • When THERMAL POWER is greater than or equal to 30% of RATED THERMAL POWER.
  1. This signal is contained in the Channel A logic only.

l l

l l

BRUNSWICK - UNIT 1 3/4 3-41 Amendment No.

l

(BSEP-1-64) t as l'!

W TABLE 4.3.4-1 (Cont'd)

EE ll d CONTROL ROD WITHDRAWAL BLOCK INSTRUMENTATION SURVEILLANCE REQUIREMENTS g .

1

' CHANNEL OPERATIONAL CHANNEL FUNCTIONAL CHANNEL CONDITIONS IN WHICH TRIP FUNCTION AND INSTRUMENT NUMBER CHECK TEST CALIBRATION (a) SURVEILLANCE REQUIRED

.f-i r- 5. SCRAM DISCHARCE VOLUME (Cll-LSH-N013E)

a. Water Level - High NA Q R 1, 2, 5**

I (a) CHANNEL CALIBRATIONS are electronic.

(b) This calibration shall consist of the adjustment of the APRM flow biased setpoint to conform to a calibrated flow signal. .

(c) Within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> prior to startup, if not performed within the previous 7 days.

, (d) When changing from OPERATIONAL CONDITION 1 to OPERATIONAL CONDITION 2, perform -

3: the required surveillance within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after entering OPERATIONAL CONDITION 2.

  • When THERMAL POWER is greater than or equal to 30% of RATED THERMAL POWER.

m L With any control rod withdrawn. Not applicable to control rods removed per d' Specification 3.9.10.1 or 3.9.10.2.

W .

a

)

l ENCLOSURE 2 TO NLS-87-028 PROPOSED TECHNICAL SPECIFICATION PAGES BRUNSWICK-2 ROD BLOCK M NITOR OPERABILITY (84TSB12) 9 0

6 l

l

[ .

SUMMARY

LIST OF REVISIONS PACE NO. DESCRIPTION 3/4 1-17 APPLICABILITY - Change to read " OPERATIONAL CONDITION 1, when THERMAL POWER is greater than or equal to 30% of RATED THERMAL POWER."

3/4 3-41 Table 3.3.4 Change Note

  • to read "When THERMAL POWER is greater than or equal to 30% of RATED THERMAL POWER."

3/4 3-43a Table 4.3.4 Change Note

  • to read "When THERMAL POWER is greater than or equal to 30% of RATED THERMAL POWER."

Change " Condition" to " Operational Condition" in footnote d.

L -

i

. (BSEP-2-59)

REACTIVITY CONTROL SYSTEMS l.

. 1 ROD BLOCK MONITOR LIMITING CONDITION FOR OPERATION 3.1.4.3 Both Rod Block Monitor (RBM) channels shall be OPERABLE.

APPLICABILITY: OPERATIONAL CONDITION 1, when THERMAL POWER is greater than or equal to 30% of RATED THERMAL POWER.

ACTION:

a. With one RBM channel inoperable, POWER OPERATION may continue provided that either:
1. The inoperable RBM channel is restored to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, or
2. The redundant RBH is demonstrated OPERABLE within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> and at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> until the inoperable RBM is restored to OPERABLE status within 7 days, or
3. THERMAL POWER is limited such that MCPR will remain above 1.07, assuming a single error that results in complete withdrawal of any single control rod that is capable of withdrawal.

Otherwise, trip at least one rod block monitor channel;.

b. With both RBM channels inoperable, trip at least one rod block monitor channel within one hour.

SURVEILLANCE REQUIREMENTS 4.1.4.3 Each of the above required RBH channels shall be demonstrated OPERABLE by performance of a CHANNEL FUNCTIONAL TEST and CHANNEL CALIBRATION at the frequencies and during the OPERATIONAL CONDITIONS specified in Table 4 . 3 . 4-l'.

l BRUNSWICK - UNIT 2 3/4 1-17 Amendment No.

k, , ,

i

. (BSEP-2-59)

TABLE 3.3.4-1 (Continued) i

i NOTE l (a) The minimum number of OPERABLE CHANNELS may be reduced by one for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> in one of the trip systems for maintenance and/or testing except for Rod Block Monitor function.

(b) This function is bypassed if detector is reading >100 cps or the IRM channels are on range 3 or higher.

(c) This function is bypassed when the associated IRM channels are on range 8 or higher.

(d) A total of 6 IRM instruments must be OPERABLE.

(e) This function is bypassed when the IRM channels are on range 1.

  • When THERMAL POWER is greater than or equal to 30% of RATED THERMAL POWER.
  1. This signal is contained in the Channel A logic only.

I BRUNSWICK - UNIT 2 3/4 3-41 Amendment No.

k

(BSEP-2-59) to N TABLE 4.3.4-1 (Cont'd)

. - E c' $ CONTROL ROD WITHDRAWAL BIACK INSTRUMENTATION SURVEILLANCE REQUIREMENTS 5

M I

CHANNEL OPERATIONAL

! E CHANNEL FUNCTIONAL CHANNEL CONDITIONS IN WHICH H TRIP FUNCTION AND INSTRUMENT NUMBER CHECK TEST CALIBRATION SURVEILLANCE REQUIRED r 9

5. SCRAM DISCHARCE VOLUME (C12-LSH-N013E)
a. Water Level - High NA Q R 1, 2, 5**

(a) CHANNEL CALIBRATIONS ara electronic.

(b) This calibration shall consist of the adjustment of the APRM flow biased setpoint to conform to a calibrated flow signal.

, (c) Within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> prior to startup, if not performed within the previous 7 days.

  • 3 (d) When changing from OPERATIONAL CONDITION 1 to OPERATIONAL CONDITION 2, perform'the w required surveillance within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after entering OPERATIONAL CONDITION 2.

L

  • When THERMAL POWER is greater than or equal to 30% of RATED THERMAL POWER.

y ** With any control rod withdrawn. Not applicable to control rods removed per Specification 3.9.10.1 or 3.9.10.2.

r B

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