ML20237J700
| ML20237J700 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 08/25/1987 |
| From: | - No Known Affiliation |
| To: | |
| Shared Package | |
| ML20237J702 | List: |
| References | |
| NPF-37-A-009, NPF-66-A-009 NUDOCS 8708260270 | |
| Download: ML20237J700 (2) | |
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INSTRUMENT,AT[0N
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l HIGH~ENERb5'?LINEBREAKISOLATIONSENSORS LIMITING CONDITION FOR OPERATION 3.h3.11 The high energy line break instrumentation shown in Table 3.3-14 sypilbeOPERABLE.
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. APPI.ICABILITY:
As shown in Table 3.3-14.
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- a. y With ^.ho number of OPERABLE auxiliary steam is'olation instruments less than the Minimum Channels-OPERABLE as required by Table 3.3-14, cestore
<' the inoperable instrument (s) to OPERABLE status within 7 days, or suspend the supply of auxiliary steam to the Auxiliary Building, or establish a
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continuous watch in the affected area (s) until the inoperable sensors are restored to OPERABLE status.
With the number of OPERABLE steam generator blowdown line isolation instru-l b.
ments less than the Minimurii Channels OPERABLE as; required by Table 3.3-14, l
restore the inoperabloinstrument(s) to OPERABLE.ttatus within 7 days, or limit the total steam gnorator blowdown flow rate to less than or equal to i
6'J gpm or establish a continuous watch in the affected area (s) until the inoperable sensors are restored to OPERABLE status.
The provisions of Specifications 3.0.3 and 3.0.4 are n'ot applicable.
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SURVEILLANCE REQUIREMD4TS
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l 4.3.3.12 Each of the above high energy line break isolation instruments shall be demonstrated OPERABLE by the performance of ar. ANALOG CHANNEL OPERATIONAL TEST AND CHANNEL CALIBRATION at least once'per 18 months.
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370B260270 97o999 hDR ADOCK 05000454 PDR BYEDN - talITS 1 & 2 3/4 3-80 AMENDIGIT NO. 9
Table 3.3-14 HIGH ENERGY LINE BREAK INSTRUMENTATION Isolation Instrument Minimum Channels Applicable Function Channel OPERABLE MODES
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1.
' Auxiliary Steam OTS-AS031A 1
Isolation OTS-AS032A OTS-A5031B 1
OTS-AS032B l
OTS-AS031C 1
OTS-A5032C l
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OTS-A5032D OTS-AS031E 1
OTS-AS032E l
OTS-A5031F 1
l OTS-AS032F 2.
Steam Generator TS-SD045A 1
1,2,3,4 Blowdown Line TS-SD045B Isolation TS-SD046A 1
1,2,3,4 TS-SD046B TS-SD045C 1
1,2,3,4 TS-SD045D l
TS-SD046C 1
1,2,3,4 TS-SD046D
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- Required when auxiliary steam is being supplied, from any source, to the-Auxiliary Building.
SYilDN - UNITS 1 & 2 S/4361 AMEWMENT NO. 9
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