ML20210E115

Forwards Proposed Tech Spec for high-energy Line Break Isolation Sensors for Inclusion in Final Draft Tech Specs. Application for Amend to License NPF-37,to Include Info Re Sensors in Tech Specs,Will Follow

ML20210E115
Person / Time
Site:	Byron, Braidwood, 05000000
Issue date:	09/16/1986
From:	Johnson I COMMONWEALTH EDISON CO.
To:	Harold Denton Office of Nuclear Reactor Regulation
References
2125K, NUDOCS 8609220110
Download: ML20210E115 (2)

Text

.. -

t Commonwealth Edison

)- 72 West Adams Street, Chicago, Illino

s 4ddress Reply to: Post Offica Box 767 k

Chicago, tilinois 60690 - 0767 September 16, 1986 t

Mr. Harold R. Denton U.S. Nuclear Regulatory Commission Office of Nuclear Reactor. Regulatory Washington, DC. 20555 i

Subject:

Braidwood Station Units 1 and 2 NRC Docket Nos. 50-456 and 50-457 Proposed Technical Specification for High Energy Line Break (HELB) Isolation Sensors

Dear Mr. Denton:

Enclosed in Attachment A, please fine a proposed Technical Specification for the High Energy Line Break (HELB) Isolation l

Sensors.

l This specification has been reviewed in.accordance with i

Commonwealth Edison Company procedures by both on-site and off-site review and is being submitted for inclusion in the Braidwood Final Draft Tech Specs.

This specification, if found to be acceptable, should be included in 3/4.3 (Instrumentation) of Braidwood tech specs in the'sectirn preceeding chlorine detection instrumentation.

A separate submittal will follow for Byron Station via a license amendment Facility Operating License NPF-37, Appendix A.

i Please direct any questions you may have regarding this matter to this office.

One signed original and attachment is being transmitted for your use along with fifteen (15) copies.

i Very truly yours, l

1 LW j

I. M. Johnson Nuclear Licensing Administrator l

I

/k1) 8609220110 860916 l

encl.

PDR ADOCK 05000454 P

PDR cc:

J.

Stevens Resident Inspector-Braidwood h 00 {

2125K bl i..

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ATTACHMENT A

" Proposed Technical Specification for Braidwood Station Units 1 and 2 High Energy Line Break (HELB) Isolation Sensors"

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o a.or.

swam With tM_ nanber of CPIMA3LI he ;64eenr_hoHer taalatten instmments s.

b :ninimm ' less than'rsqu! red by Table 3.314, restore the inoperable instrumen$)ta

hannel a CPE4 CPERABLI status within 7 days, Sf SW8)end ^!-"*8--

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D'H*r until the inoperdia sensors are restored to OptRABLI status, j

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With the awaber of CP!M8LI staare generator hisodown lina balahn instr 9 mee ts r ' - M -

? M r' = ' - _^ ^ - _ M lest thenFrequired by fate 3.314, restors the inoper21e instr'Jaents to QPtMSL1 status within 7 d]ays or, ii,mr % wmi. sham senes*H r-blowdsse flow raw, h i,s,3 aan c,-

.pl 8 r,o gpm er esvuol.sh a conh. woo e in W4 anem.a ama% enhl Ha.mo *us wuon ata n.norr4 to %,

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c. % pr6,6)e,4 of s o.wa'ia a 3.0.5. and 5 c.M are ed appl;e.

4 SURVt!LL*f 1talt20071 4.3.3.12 !sch of the above high energy line treak isolatien instNuents shall be dauenstrated CPtM8LI Ty the performatics of an AMLOS CHANNEL CPt2ATICaAL TIST at 1sest snes M* 13 lienths.

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