HL-7514, Record of Telcon W/Ca Ayala,Ma Friedlander,Rl Perch,R Emch & C Moon on 870708 to Clarify Intent & Proper Interpretation of Encl marked-up Final Draft Tech Spec Table 3.3-3

Record of Telcon W/Ca Ayala,Ma Friedlander,Rl Perch,R Emch & C Moon on 870708 to Clarify Intent & Proper Interpretation of Encl marked-up Final Draft Tech Spec Table 3.3-3

ML20235S811
Person / Time
Site:	South Texas
Issue date:	07/08/1987
From:	Ayala C HOUSTON LIGHTING & POWER CO.
To:	Mcburnett M HOUSTON LIGHTING & POWER CO.
References
ST-HS-HL-7514, NUDOCS 8707210784
Download: ML20235S811 (4)

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, *= HOUSTON LIGHTING & POWER COMPANY

. SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION TELEPHONE MINUTES CORRESPONDENCE SERI AL NUMBER i

TO: M. A. McBurnett

/ ST-HS-HL-7514 C. A. Ayala P SUBJECT FILE NUMBERS  :

FROM: ,

DATE OF CALL: July 8, 1987 PRIMARY: G9.06 SECONDARY- j Tech Spec Table 3.3-3 item 5.d (T,yg-Lov)  ;

v. a. ayata, . nu:e auppon t.lcensing TELECON PARTICIPANTS: M. A. Friedlander - HL&P NPOD Plant Eng.

(INCLUDE NAME AND R. L. Perch - NRC Project Manager ORGANIZATION OF EACH) R. Emch - NRC Sec. Leader Tech Spec Branch PAGE 1

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sub eet Tech Spec item (see attachment). The NRC exnlained how this item should be -1 interpreted. Action statement 15 should be interpreted as a line item in lieu of being specific to the " Total Number of Channels" requirement. As such, when one channel is out-of-service (inoperable) for either testing or any other reason, including a failure in the channel, the action statement applies. Tech Spec 3,0.3 does not apply if only one channel is inoperable which would be less than the " Minimum Operable Channels" of "1/ loop" and action statement 15 does apply. In this case the Minimum Operable Channels requirement is essentially considered to be superfluous and the action statement governs the specifice. tion line item. Tech Spec 3.0.3 would apply only if more than one channel was inoperable.

The NRC noted that other entries in this table also should be treated as line items where the number of Total Channels and Minimum Operable Channels is identical.

That is, the action statement governs.

The NRC further noted that if there are any questions on this interpretation that the questioning party (including NRC inspectors) should be referred to the NRR Tech Spec Branch. 8707210784 870708 PDR ADOCK 05000498-CAA/ljm A PDR cc: Telecon Participants A. W. Harrison M. R. Wisenburg T. H. Crawford W. H. Kinsey Y. I. Williams (BEC)

G. L. Parkey N. P. Kadambi (NRC NRR)

D. A. Leazar D. R. Carpenter (NRC Site)

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TABLE 3.3-3 (Continued)

TABLE NOTATIONS .

• The provisions of Specification 3.0.4 are not applicable.

• • Feedwater Isolation only, r

• • • Function is actuated by either actuation train A or actuation train B.

Actuation train C is not used for this function.

• • • • Automatic switchover to containment sump is accomplished for each train ,

using the corresponding RWST level transmitter.

1. Trip function may be blocked in this MODE below the P-11 (Pressurizer J Pressure Interlock) Setpo, int.

1. 1. During CORE ALTERATIONS or movement of irradiated fuel within containment.

1. 1. 1. Trip function automatically blocked above P-11 and may be blocked below ,

P-11 when Excessive Cooldown Protection is not blocked.

1. 1. 1. 1. Trip function is blocked in MODE 1 above the P-15 (Excessive Cooldown Protection) setpoint.

ACTION STATEMENTS ACTION 14 - With the number of OPERABLE channels one less than the Minimum Channels OPERABLE requirement, be in at least HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />; however, one channel may be bypassed for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> ,

for surveillance testing per Specification 4.3.2.1, provided the other channel is OPERABLE.

ACTION 15 - With the number of OPERABLE channels one less than the Total Number of Channels, operation may proceed until performance of the next required ANALOG CHANNEL OPERATIONAL TEST provided the i

inoperable channel is placed in the tripped condition within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

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ACTION 16 - (Not Used) l j

ACTION 17 - With the number of OPERABLE channels one less than the Total Number of Channels, operation may proceed provided the inoperable channel is placed in the bypassed condition and the Minimum )

Channels OPERABLE requirement is met. One additional channel j may be bypassed for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> for surveillance testing per l

Specification 4.3.2.1.

ACTION 18 - With less than the Minimum Channels OPERABLE requirement, operation may continue provided the containment purge supply and exhaust valves are maintained closed.

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