ML20198D139

Rev 28 to Vol 1 of Technical Requirements Manual

ML20198D139
Person / Time
Site:	Fermi
Issue date:	12/14/1998
From:	DETROIT EDISON CO.
To:
References
PROC-981214, NUDOCS 9812230018
Download: ML20198D139 (7)

Text

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j DETROIT EDISON - FERMI 2 AUTOMATED RECORD MANAGEMENT DISTRIBUTION CONTROL LIST 12/14/98 To:'00935' US NRC PAGE 1

DOCUMENT CNTRL DESK WASHINGTON, DC 20555 Media: 8 1/2 X 11 Number Cnt Issue DTC Doc. Serial Number Page Rev Copies Lvl Date Sec Status TMTRM TRM VOL I 28 11 IR 12/11/98 AFC e

C 9812230018 981214 PDR ADOCK 05000341

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Y Please destroy or mark all revised, superseded, or cancelled documents as such. CONTROLLED stamps must be voided by lining through and initialing.

1 Dstroit Edison EF2, C/O Info Mgmt 140 NOC, 6400 North Dixie Highway, Newport MI 48166. (734) 586-4338 OR (734) 586-4061 for questions or concerns.

Rof: E52186

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Fermi 2 1

i Technical l

Requirements Manual i

O volume I Detroit Edison ARMS-INFORM 4T10N DTC: TMTRM l File: 1754 DSN: TRM VOLI l Rev: 28 Date: 12/11/98 Recipient 9Jf

I FERMI 2 - TECHNICAL REOUIREMENTS MANUAL LIST OF EFFECTIVE PAGES

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o INSTRUMENTATION f

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BASES 3/4.3.7.8 CHLORINE DETECTION SYSTEM The OPERABILITY of the chlorine detection system ensures that an accidental chlorine release will be detected promptly and the necessary protective actions will be automatically initiated to provide protection for control room personnel.

Upon detection of a high concentration of chlorine, the control room emergency ventilation system will automatically be placed in the chlorine mode of operation to provide the required protection.

In this mode of operation, all outside air intakes are closed to prevent ingress during a chlorine-release emergency.

The detection system required by this Technical Requirement is consistent with the recommendations of Regulatory Guide,1.95, Protection of Nuclear Power Plant Cont'rol Room Operators against an Accidental Chlorine Release", Revision 1, January, 1977.

When the control room emergency ventilation system is placed in the recirculation (radiological emergency) mode of operation, the emergency air intakes are used to bring in a limited amount of outside air.

The chlorine detectors do not experience system air flow because they are located in the normal air intakes.

The chlorine detectors remain physically and functionally OPERABLE; I

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however, per the plant design, their specified function is not required during the recirculation mode.

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9 3/4.3 INSTRUMENTATION m

3/4.3'.7.10 LOOSE-PART DETECTION SYSTEM LIMITING CONDITION FOR OPERATION 3.3.7.10 The loose-part detection system shall be OPERABLE.

APPLICABILITY:

OPERATIONAL CONDITIONS 1 and 2.

ACTION:

With one or more loose-part detection system channels a.

inoperable, restore the inoperable channel to OPERABLE status within the next 30 days.

b.

With the above required ACTION and associated completion time not met, initiate a corrective action program document if one has not been already initiated.

SURVEILLANCE REQUIREMENTS 4.3.7.10 Each channel of the loose-part detection system shall be

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demonstrated OPERABLE by performance of a:

V a.

CHANNEL CHECK at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, b.

CHANNEL FUNCTIONAL TEST at least once per 31 days, and c.

CHANNEL CALIBRATION at least once per 18 months.

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V TRM Vol. I 3/4 3-23 REV 28 12/98

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LICENSING DOCUMENT TRANSMITTAL TECHNICAL REQUIREMENTS MANUAL, VOLUME 1 Instructions for Revision 28 dated 12/1I//98 Immediately upon receipt of the item (s) below, please insert and/or remove the documents indicated. Destroy the removed documents. Be sure Revision 27 has been niaced in TRM Vol I orior to insertine these names.

Location Remove Insert Title Page Title Page Title Page Rev 27 12/10/98 Rev 28 12/11/98 List of Effective Pages LEP-1, Rev. 27 12/98 LEP-1, Rev. 28 12/98 LEP-2, Rev. 27 12/98 LEP-2, Rev. 28 12/98 Section 3.3 Page 3/4 3-22 Page 3/4 3-22 Rev 28 12/98 Page 3/4 3-23 Page 3/4 3-23 Rev 28 12/98 END In v

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