ML20149J176
| ML20149J176 | |
| Person / Time | |
|---|---|
| Site: | Fort Saint Vrain  |
| Issue date: | 02/15/1988 |
| From: | Wiliams R PUBLIC SERVICE CO. OF COLORADO |
| To: | Calvo J NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM), Office of Nuclear Reactor Regulation |
| References | |
| P-88024, TAC-66506, NUDOCS 8802220292 | |
| Download: ML20149J176 (4) | |
Text
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O eubiic service-
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t P.O. Box 840 Denver, CO 80201- 0840 '
February 15, 1988 R.O. WILLIAMS, JR.
Fort St. Vrain VICE PRESIDENT NUCLEAR OPERATIONS Unit No. 1 P-88024
- 0. S. Nuclear Regulatory Commission ATTN:
Document Control Desk Washington, D.C.
20555 Attn:
Mr. Jose A. Calvo, Director Projset Directorate IV Docket No. 50-267
SUBJECT:
Response to Request for Additional Infoemation on Changes to the : ort St. Vrain Tech Specs ELCO 8.1.1, ESR 8.1.1, and ESR 8.1.2.
REFERENCES:
- 1) NRC letter, Heitner to Williams, dated 12/15/87 (G-87446)
- 2) PSC letter, Williams
~
to Calvo, dated 10/1/87 (F-87348)
Dear Mr. Calvo:
This it: ter provides the additional information reauested by the NRC i
in Reference 1.
In Reference. 2, Public Service Company of Colorado e
(PSC) submitted an application amendment to Section 8 of the Fort St.
{
Vrain (FSV) Technical Specifications.
The specific changes and their 1
justification are iceluded in the amendment request.
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P-88024 February 15, 1988 3
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NRC QUESTIONS:
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'7 (Attachm\\
s ent<~2,
- p. -B'_.1-9) it,is proposed that "the 1.
Iri ' Ref.
1
<:bannel functional ' t'est tEfor radinactive h gastous effluent mon Oors) shall also.dra if..."
demonstrate'that'the control' room or local alare annunciation oce However, the current TS "ESR
\\ he' alarm annuncin ion will occur in the 8.131" requires that t
control room under the given conditions.
Thu,'the proposed TS is less stringent than the eJrrent TS because.it allows a local
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alarm annunciation, rather than an annunciation; in ihe. control s
-room, for channel functiqnal tests of gaseous df fluent monitors.
State the location of the tiarm for the various instruments that
~~ are re61 red by FSR 8.1.1.
State why it is acceptable to have local alarms, rather than alarm annunciation in the control room, sFor example, are re ihses automatically terminated for those instruments that only have a local alarm?
2.
In Ref.
1 (Attachment 2,
- p. 3.1-23) it is proposed that "the channel functional test [for radioactive liquid effluent monitors] shall also demonstrate that control room or local alarm annunciation occurs if..." However, the current TS "ESR 8.1.2" requires that the
- a. arm annunciation will occur in the control
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room under the given conditions.
Thus the proposed TS is less
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stringent than \\the qirrent TS because it allows a local alarm annunciation, ra %9r than an annunciation in thf control room.
State the locatipe.cf the alarm for th?various instruments that are required byhESR 8.1.2.
Otate why tit is acceptable to have local alarms, rather than t @ m'chnjnciation in the control room
[
.for o ch instrument that does not ha h an alarm annunciation in s
thT control room.
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PSC RESPONSE:
PSC will provide one response which will answer the unUe lying issue of control room versus local alarm annunciation for' radioactive gaseous and liquid effluent monitors.
The existing and proposed Tech Specs alla for gaseous and liquid wastcreleases to continue with all monitors inoperabh provided the releases are sampled and the samples are analyzed within a specified period.
The proposed Tech Specs provide allowancu to use other monitors which have only local alarm capability to take the place of sampling and analyzing while continuing the releases.
Any condition resulting in a local alarm would be discovered t,y operators making
.; heir normal rounds.
The recognition of an off-normal condition would occur sooner vtth a local alarm than d th an analyzed sample.
Also note there is nb requirement for the aute.matic termination of a release upon receipt ot' & alarm.
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P-88024 February 15,-1988 A comprehensive list of monitors which can be used is contained in.' Included in this list is the alarm location and any control actions.
The statement of the ESRs to test "... control room or local alarm annunciation..." requires the functional testing of the normal and backup monitors. No monitor has both control. room and local alarms.
I Therefore,~the "or" in these ESRs implies the sopropriate alarms shall be functionally tested quarterly.
PSC has increased the monitors that may be used prior to relying on sampling to scrutinize radioactive gaseous and liquid releases at I.
FSV.
This will provide for more prompt indication of abnormal releases with the normal monitors out of service.
If you have any further questions relating to this matter, please contact Mr. M. H. Holmes at (303) 480-6960.
Very truly yours, R. O. Williams, Jr.
Vice President, Nuclear Operations R0W/SBH/Imb Attachment cc: Regional Administrator, Region IV ATTN:
Mr. T. F. Westerman, Chief Projects Section B Mr. Robert Farrell Senior Resident Inspector Fort St. Vrain s
e A.,
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to P-88024 ATTACHMENT 1 GASEOUS EFFLUENT MONITORING Monitor Alarm Control Action RT-7324-1 (Noble Gas)
Control Room Yes RT-7324-2 (Noble Gas)
Control Room Yes RT-4803 (Noble Gas)
Local No RT-73437-1 (Halogen)
Control Room Yes RT-7325-1 (Halogen)
Control Room No RT-4802 (Halogen)
Local No RT-73437-2 (Particulate)
Control Room Yes RT-4801 (Particulate)
Local No LIQUID EFFLUENT MONITORING