ML19332D722
| ML19332D722 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 11/28/1989 |
| From: | Michael Ray TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 8912050160 | |
| Download: ML19332D722 (39) | |
Text
{{#Wiki_filter:+ &. , O IC' c~ TENNESSEE VALLEY AUTHORITY CHATTANOOGA. TENNESSEE 37401 SN 1578 Lookout Place NOV 281969 L U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 Gentlemen: In the Matter of ) Docket Nos. 50-327 Tennessee Valley Authority ) 50-328 SEQUOYAH NUCLEAR PLANT (SQN) - RESPONSE TIME TESTING OF SOLID-STATE PROTECTION
. SYSTEM (SSPS) INPUT AND MASTER RELAYS During the upcoming Cycle 4 refueling outages for Units I and 2 SQN will be implementing an upgrade to the reactor protection system (RPS) by replacing the' analog Foxboro H-Line hardware currently in use with the Westinghouse Electric Corporation Eagle 21 digital system. The Eagle 21 system has built-in automated test features for calibration and response time surveillance testing. These self-test features thoroughly test the Eagle 21 system including its reactor trip and engineered safety features functions.
The input and master relays of SSPS, however, are not response time tested as part of the Eagle 21 self-test. In lieu of developing procedures and test methods to response time test the input and master relays with the Eagle 21 RPS configuration, TVA is proposing that technical specification channel functional testing is a sufficient verification of the relays' ability to perform their safety function. TVA believes that the additional information gained from the response tl.ae testing of the SSPS input and master relays does not warrant the resource expenditures necessary to develop the new methodology and procedures to test ' the relays'in the Eagle 21 RPS configuration. Therefore, TVA is proposing the elimination of response time testing requireeents for the SSPS input and master relays. The technical justification for eliminating these requirements is provided as an enclosure. This matter was informally discussed during an October 12, 1989, telephone conversation with Jerry Mauck and Jack Donohew of your staff. TVA is requesting NRC's concurrence with the proposal for eliminating the response time testing requirement. Technical specification changes, corresponding to the elimination of the response time testing requirements for the SSPS input and master relays, will be submitted after formal NRC i concurrence of the position is obtained. TVA requests that a formal response - to this issue be provided by December 29, 1989, to facilitate preparation of technical specification changes and testing procedures to support Unit 1 Cycle 4 refueling outage preparations. o
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_2_. . U.S. Nuclear-Regulatory Commission NOV 28 B89 [- i Please direct questions concerning this issue to Russell'R. Thompson at p -(615) 843-7470. ; Very truly yours, TENNESSEE VALLEY AUTHORITY
\'A h og k Managn, Nuclear l Licensing-and Regulatory Affairs ,
Enclosure cc (Enclosure): Ms. S. C. Black, Assistant Director forProjects TVA Projects Division U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852 ; Mr. B. A. Wilson, Assistant Director for Inspection Programs TVA Projects Division U.S. Nuclear Regulatory Commission
- 1 Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323
- NRC Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy Daisy, Tennessee 37379
p ~ h, s-ENCLOSURE l '[ Justification for the Deletion of Solid-State Protection System (SSPS) Input and ' Master Relay Response Time Testing Requirements ( Sequoyah Nuclear Plant.(SQN) presently performs response time testing on all
;' components in the analog channels and the circuitry associated with SSPS and its outputs. The analog channel test also includes the SSPS input relays and , master relays, where applicable, by measuring the time from a step change in l- loop current to when the relay' contact changes to its trip state.
During the upcoming Cycle 4 refueling outages for Units I and 2, SQN will implement an upgrade to the reactor protection system (RPS) by installing the L Hestinghouse Electric Corporation Eagle 21 system in place of the present k foxboro H-Line hardware (see attached figure). The Eagle 21 system has built-in, automated test features for surveillance testing of calibration and L response time. These features thoroughly test the Eagle 21 system including its trip and engineered safety features (ESF) functions. The input relays and master relays in SSPS, however, are not response time tested by this feature. Implementation of Eagle 21 is a significant step in the modernization of RPS and simplifying the activities required to maintain RPS operability. Use of t the Eagle 21 self-test features leads to reductions in temporary connections / changes to plant wiring, reduces the chances for personnel error, and reduces craft manpower requirements. TVA believes that these are some of the major advantages of Eagle 21 in terms of surveillance cost, enhanced plant reliability, and enhanced safety. TVA would like to be able to implement a streamlined testing program fully utilizing these features. The deletion of input relay and maste- relay response time testing would be beneficial to TVA in preparation for the refueling outage and would provide a significant reduction in surveillance testing time, complexity, and cost while not significantly reducing the level of assurance that the RP5 will perform its safety functions. One of the following techniques would have to be implemented to response-time test input and master relays:
- 1. Lif t leads on the input of Eagle 21 and inject step changes in loop current while monitoring input and master relay contact closures inside the SSPS. This would measure the response time of the Eagle 21 components and the SSPS input and/or master relay. This technique would not take full advantage of the response time self-test features of Eagle 21,
- 2. Prepare new procedures to make temporary connections to the outputs of the Eagle 21 bistables and the contact of the SSPS input and/or master relays
!and initiate another bistable trip to measure the relay response time.
'This time would then have to be added to the times measured for the other ,
portions of the channel to determine an overail channel response time. Either test technique would require basically the same level of maintenance involvement that presently is necessary to perform response time testing, thus ncgating some of the benefits as u lated with the installation of Eagle 21. i
4 5, 2 e .'" The relays in-question are miniature enclosed relays with a very small moving E' mass. -An inspection of previous response time test data shows that response
- times of less: than 40 milliseconds can be routinely expected. The review also .
. identified- no signs'of degradation of the response time of these relays. i
'A compilation of the Unit I response time data is attached. This data reflects response times for all Unit 1 input relays and a sampling of the Unit 1 master relays. The data for all master relays was not researched, as the master. relays are the same as the input relays, except for coil voltage.
There is no greater risk of degradation of'the response time of these relays than for the input relays. The: data reviewed was retrieved from both preoperational and survell 3nce test packages. The data included the response time of the input-and master relays, as well as the response time of the associated analog channel. The present response. time test program and the preoperational test program measure loop response time from the time a step change is injected into the analog channel to the time that the SSPS input and/or master relay changes , state. Changes noted in individual loop response times are attributed to the analog channels themselves or to the methods used to record test data. Some of the channels have modules with lead / lag functions that could cause changes
-in thc response time data because of small variations in the time constants.
Some deviations in response time from one performance to another are also introduced by the method used to measure this response time. This is the result of differences in ihe test performers' subjective determination as to where to make the beginnirig and end of the test on a strip chart record and the speed of the strip chart. In all cases, the measured response times for the analog channr is and input / master relays are short in comparison with the total response times allowed by the technical specifications. It is important to note that the input relays are functionally tested during routine analog channel functional testing and the master relays are functionally tested by routine SSPS functional testing. This functional
. testing will provide the periodic testing recessary to ensure that the input and mester relays wl;l perform their intended function.
The failure of an input relay to function would be indicated in the main control room. The multiplexing system in SSPS is operated in a ' node that would cause the main control room status lamp to flash if a trip signal was present and the input relay in one train failed to operate or was extremely
, slow to ope M e, In summary, TVA contends that the ir w ,,,ation gained from the response time testing of the SSPS Input and masts relays does not warrant the development of testing methodology and procedures for response time testing these relays after the Imnlementation of Eagle 21. Historical data indicates no degradation in the performance of these relays, and channel function tests confirm their ability to function as required.
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SEQUOYAH NUCLEAR PLANT UNIT 1-REACTOR TRIP CHANNELS RESPONSE TIMES OVER THE LIFE OF THE PLANT RECORD TRIP FUNCTION PERF DATE 1 RESP TIME 1 AVERAGE MAXIMUM MINIMUM NUMBER' TEST PROCEDURE PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE RESPONSE
- INPUT RELAY NO. PERF DATE 3 RESP. TIME 3 TIME TIME TIME TRAIN PERF DATE 4 RESP TIME 4 MEASURED MEASURED-t 1- PWR RNG HI FLUX 03/15/80 0.0120 0.0085 0.0120 0.0050 i RT-N41 06/29/88 0.0050 K147 // 0.0000 A / / 0.0000-2 PWR'RNG HI FLUX 03/15/80 0.0120 0.0117. 0.0150 0.0080 RT-N41 04/04/84 0.0080 K147 06/29/88 0.0150 B / / 0.0000 3 PWR RNG HI FLUX 03/15/80 0.0120 0.0123 0.0125 0.0120 RT-N42 06/29/88 0.0125 ;
K221 / / 0.0000 i A / / 0.0000 4 PWR RNG HI FLUK- 03/15/80 0.0120 0.0160 0.0200 0.0120 RT-N42 04/17/82 0.0160 K221 06/29/88 0.0200 B / / 0.0000 5 PWR RNG HI FLUX- 03/15/80 -0.0080 0.0527 0.1250 0.0080-RT-N43 12/13/82 0.0250 K302 06/29/88 0.1250 3 A / / 0.0000 6- PWR RNG HI FLUX 03/15/80 0.0080 0.0090 0.0100 0.0080 RT-N43 06/29/88 0.0100 , K302 / / 0.0000 '! B / / 0.0000 7 PWR RNG HI FLUX 03/15/80 0.0160 0.0147 0.0200 0.0080 RT-N44 06/11/80 0.0080 K402 06/29/88 0.0200 A / /- 0.0000-p 8 PWR RNG HI FLUX 03/15/80 0.0160 0.0378 0.0800 0.0160 RT-N44 04/04/84 0.0800 K402 05/04/88 0.0175 B / / 0.0000 9 PWR RNG LO FLUX 03/15/80 0.0080 0.0087 0.0100 0.0080 RT-N41 06/11/80 0.0080 K146 06/29/88 0.0100 A / / 0.0000 l l l
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SEQUOYAH NUCLEAR PLANT UNIT 1-n.' REACTOR TRIP CHANNELS RESPONSE TIMES OVER THE LIFE OF THE PLANT RECORD' TRIP FUNCTION PERF DATE 1 RESP TIME 1 AVERAGE MAXIMUM MINIMUM
; NUMBER- TEST PROCEDURE PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE RESPONSE INPUT RELAY NO. PERF DATE 3 RESP TIME 3 TIME TIME TIME TRAIN PERF DATE 4 RESP TIME 4 MEASURED MEASURED I
10 PWR RNG LO FLUX 03/15/80 0.0080 0.0078 0.0080 0.0075 RT-N41 04/04/84 0.0000 i K146 06/29/88 0.0075 B. / / 0.0000
'11 PWR RNG LO FLUX 03/15/80 0.0000 0.0115 0.0150 0.0080 RT-N42 06/29/88 0.0150 K220 / / 0.0000 A / / 0.0000 12 PWR RNG LO FLUX 03/15/80 0.0080 0.0107 0.0140 0.0080 ,
RT-N42 04/17/82 0.0140 I l K220 06/29/88 0.0100 g i B / / 0.0000 l l 13' PWR RNG LO FLUX 03/15/80 0.0120 0.0140 0.0200 0.0100 RT-N43 12/13/82 0.0200 1 06/29/88 0.0100 K303 A / / 0.0000 14 PWR RNG LO FLUX 03/15/80 0.0120 0.0185 0.0250 0.0120 RT-N43 06/29/88 0.0250 K303- / / 0.0000 B / / 0.0000 15 PWR RNG LO FLUX 03/15/80 0.0120 0.0100 0.0120 0.0080 RT-N44 06/11/80 0.0080 K403 06/29/88 0.0100 A / / 0.0000 16 PWR RNG LO FLUX 03/15/80 0.0120 0.0357 0.0800 0.0120 RT-N44 04/04/84 0.0800 K403 05/04/88 0.0150 B / / 0.0000 17 PWR RNG NEGRATE 03/15/80 0.1040 0.0760 0.1040 0.0600 i RT-N41 06/11/80 0.0640 K153 06/29/88 0.0600 A / / 0.0000 18 PWR RNG NEGRATE 03/15/80 0.1040 0.1083 0.1250 0.0960 RT-N41 04/04/84 0.0960 K153 06/29/88 0.1250 B / / 0.0000
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' ' SEQUOYAH NUCLEAR PLANT UNIT 1
.' REACTOR TRIP CHANNELS 4
RESPONSE TIMES OVER THE LIFE OF THE PLANT. RECORD TRIP FUNCTION PERF DATE 1 RESP-TIME 1 AVERAGE MAXIMUM MINIMUH.
' NUMBER: TEST PROCEDURE PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE RESPONSE INPUT' RELAY NO. PERF-DATE 3 RESP TIME 3 TIME- TIME TIME TRAIN PERF DATE 4 -RESP TIME 4 MEASURED MEASURED 19 PWR RNG NEGRATE 03/15/80 0.0400 0.0513 0.0625 0.0400 RT-N42 .06/29/88 0.0625 K253 /. / 0.0000 A / / 0.0000 20 PWR RNG NEGRATE 03/15/80 0.0400 0.0838 0.1275 0.0400 RT-N42 06/29/88 0.1275 K253 /- / 0.0000 B '/ / 0.0000 21 PWR RNG NEGRATE 03/15/80 0.0960 0.0913 0.1150 0.0630 RT-N43 12/13/82 0.0630 i K353 06/29/88 0.1150 -i A /-/ 0.0000 22 PWR RNG NEGRATE 03/15/80 0.0960 0.0780 0.0960 0.0600 ,
RT-N43 06/29/88 0.0600 l K353 / / 0.0000 B / / 0.0000 23 PWR RNG NEGRATE 03/15/80 0.0560 0.0595 0.0625 0.0560 RT-N44 06/11/80 0.0600' K441- 06/29/88 0.0625 A / / 0.0000 f
'24 PWR RNG NEGRATE 03/15/80 0.0560 0.0637 0.0800 0.0550 RT-N44 04/04/84 0.0800 K441 05/04/88 0.0550 B / / 0.0000 ,
25 PRZR PRESS LO 03/15/80 0.0800 0.0820 0.3900 0.0760 RT-4.5 06/11/80 0.0760 K129 06/29/88 0.0900 A '/ / 0.0000 26 PRZR PRESS LO 03/15/80 0.0760 0.0803 0.0850 0.0760 l_ RT-4.5 04/04/84 0.0800 K129 06/29/88 0.0850 B / / 0.0000 j, 27 PRZR PRESS LO 03/15/80 0.0720 0.0710 0.0720 0.0700 L RT-4.6 06/29/88 0.0700 l~ K211 / / 0.0000 A / / 0.0000 L
f> < j:g3 .noi! f _ .?6 111/08/89 ; I' O SEQUOYAH NUCLEAR PLANT-UNIT 1 ! Jr ' -REACTOR TRIP CHANNELS RESPONSE TIMES-OVER THE LIFE OF THE PLANT J RECORD TRIP FUNCTION. PERF.DATE 1 RESP TIME 1 AVERAGE MAXIMUM MINIMUM 1 NUMBER TEST PROCEDURE PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE RESPONSE
. INPUT RELAY NO.- PERF DATE 3 RESP TIME 3 TIME TIME TIME TRAIN PERF DATE 4 RESP TIME 4 MEASURED MEASURED
, 28 PRZR PRESS LO 03/15/80 0.0720 0.0648 0.0720- 0.0600
-RT-4.6 04/17/82 0.0600
- K211 06/29/88 0.0625 B / / 0.0000
, 29 PRZR PRESS LO 03/15/80 0.0880 0.0831- 0.0880 0.0800 i, RT-4.7 12/13/82 0.0813 K343 06/29/88 0.0800 A /-/ 0.0000 30 - PRZR PRESS LO 03/15/80 0.0880 0.0865 0.0880 0.0850 RT-4.7 06/29/88 0.0850 '
K343 / / 0.0000 g B /- / 0.0000 31 PRZR PRESS LO 03/15/80 0.0800 0.0725 0.0800 0.0575 RT-4.8 12/13/82 0.0575 K416 06/29/88 0.0800 A / / 0.0000 32 PRZR PRESS LO 03/15/80 0.0800 0.0825 0.0850 0.0800-RT-4.8 06/29/68 0.0850 K416 / / 0.0000 B. / / 0.0000 33 PRZR PRESS HI 03/15/80 0.0640 0.0550 0.0640 0.0450 RT-4.5 06/11/80 0.0560 K130 06/29/88 0.0450 A- / / -0.0000 34 PRZR PRESS HI 03/15/80 0.0640 0.0647 0.0800 0.0500 RT-4.5 04/04/84 0.0800 K130 06/29/88 0.0500 , B / / 0.0000 35 PRZR PRESS HI 03/15/80 0.0520 0.0610 0.0700 0.0520 RT-4.6 06/29/88 0.0700 K212 / / :> 0.0000 A / / 0.0000 36 PRZR PRESS HI 03/15/80 0.0520 0.0611 0.0713 0.0520 RT-4.6 04/17/82 0.0600 K212 06/29/88 0.0713 ' B / / 0.0000
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('fr REACTOR TRIP CHANNELS RESPONSE TIMES Y OVER THE LIFE OF THE PLANT RECORD 1 TRIP FUNCTION PERF DATE 1 RESP TIME.1: AVERAGE MAXIMUM MINIMUM NUMBER TEST PROCEDURE FERF DATE 2- RESP TIME 2 RESPONSE RESPONSE RESPONSE
. INPUT RELAY.NO. -PERF DATE 3 RESP TIME 3 TIME TIME TIME TRAIN- PERF DATE 4 RESP TIME 4 MEASURED MEASURED -
37 PRZR PRESS HI 03/15/80 'O.0640 0.0955 0.1575 0.0640 RT-4.7 12/13/82 0.1575 K316 06/R9/88 0.0650 i A /'/ 0.0000 38 PRZR PRESS HI 03/15/80 0.0640 0.0645 0.0650 0.0640 RT-4.7 06/29/88 0.0650. K316 / / 0.0000' B- / / 0.0000
'39 PRZR PRESS HI 03/15/80 0.0400 0.0367 0.0400 0.0350'
-RT-4.8 12/13/82 0.0350 i K415 06/29/88 0.0350 g.
A / / 0.0000 40 PRZR PRESS HI 03/15/80 0.0400 0.0450 0.0500 0.0400 RT-4.8- 06/29/88. 0.0500 K415- '/ / 0.0000 B / / 0.0000 41 RCS LOW FLOW 03/15/80 0.0440 0.0430 0.0450 0.0400 RT-6.13 06/11/80 0.0400 K125 06/29/88 0.0450 A / / 0.0000 42- RCS LOW FLOW 03/15/80 0.0400 -0.0350 0.0400 0.0300 RT-6.13 04/04/84 0.0300 K125 / / 0.0000 B / / 0.0000 43 RCS LOW FLOW 03/15/80 0.0560 0.0705 0.0850 0.0560 RT-6.14 06/29/88 0.0850
- K213 / / 0.0000 A / / 0.0000 44 RCS LOW FLOW 03/15/80 0.0560 0.0540 0.0560 0.0520 RT-6.14 09/23/81 0.0520 K213 / / 0.0000 l B / / 0.0000 1
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45 RCS LOW FLOW 03/15/80 0.0680 0.0615 0.0680. 0.0550- 1 l RT-6.15 12/13/82 0.0550 K312 / / 0.0000 A / / 0.0000 l l l
r"' r . 192.02 Noc 6-p f, _ 111,'/08/89 C ~' SEQUDYAH NUCLEAR PLANT UNIT 1 k , W f* !/; REACTOR TRIP CHANNELS - (;
. RESPONSE TIMES ;
OVER THE LIFE OF THE PLANT RECORD l TRIP FUNCTION PERF DATE 1 RESP TIME 1 AVERAGE MAXIMUM MINIMUM NUMBER ' TEST PROCEDURE. PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE RESPONSE-
. INPUT, RELAY NO. . PERF DATE 3 RESP' TIME.3 TIME TIME TIME TRAIN PER~ DATE 4 ' RESP TIME 4 MEASURED . MEASURED
'46 RCS LOW FLOW 03/15/80 0.0680 0.0665 0.0680 0.0650 RT-6.15 06/29/88 0.0650 K312- /- / 0.0000 l, B / / 0.0000 47 RCS LOW FLOW 03/15/80- 0.0800 0.0733 0.0800 0.0600-L RT-6.16 06/11/80 0.0600 T'
K126 06/29/88 0.0800
. A- / / 0.0000 48 RCS LOW FLOW 03/15/80 0.0800 0.0725 -0.0800: 0.0650-
.gs RT-6.16 04/04/84 0.0650 5 K126 /'/ 0.0000 (
B / / 0.0000 49 RCS LOW FLOW- 03/15/80 0.0720 0.0635 0.0720 0.0550 RT-6.17 06/29/88 0.0550 K214- / / 0.0000 A: / / 0.0000 50 RCS LOW FLOW 03/15/80 0.0720 0.0580 0.0720 0.0440 RT-6.17 09/23/81 0.0440 [! K214 / / 0.0000 i i ?[ t =B / / 0.0000 51 FFJ3 LOW FLOW 03/15/80 0.0560- 0.0443 0.0560 0.0325 RT-6.18 12/13/82 0.0325 s K313 // 0.0000 A / / 0.0000 52 RCS LOW FLOW 03/15/80 0.0560 0.0493 0.0560 0.0425 RT-6.18 06/29/88 0.0425 K313 -/ / 0.0000 B / / 0.0000 53 RCS LOW FLOW 03/15/80 0.0720 0.0505 0.0720 0.0350 RT-6.19 06/11/80 0.0400 K127 02/21/84 0.0350 A 06/29/88 0.0550 54 RCS LOW FLOW 03/15/80 0.0720 0.0535 0.0720 0.0350 RT-6.19 04/04/84 0.0350 K127 / / 0.0000 B / / 0.0000 l'
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11788/89
.. 'SEQUOYAH NUCLEAR' PLANT UNIT:1 7 4 f'-%. %
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, REACTOR TRIP CHANNELS T RESPONSE TIMES U OVER THE LIFE OF THE PLANT k
i* RECORD TRIP FUNCTION- PERF-DATE 1- RESP TIME 1 AVERAGE MAXIMUM MINIMUM
; NUMBER . TEST PROCEDURE PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE RESPONSE '
I; INPUT RELAY NO.- PERF-DATE'3 RESP TIME 3 TIME TIME TIME' t > TRAIN PERF DATE 4 RESP TIhE 4 MEASURED MEASURED i 55- RCS LOW' FLOW- 03/15/80 0.0600 0.0600 0.0600 0.0600i y RT-6.20- 06/29/88 0.0600-
- K227- / / 0.0000
'O.0000
-A /./
56: RCS' LOW FLOW 03/15/80 0.0560 0.0440 0.0560 050320-RT-6.20 09/23/81 0.0320. l K227- // 0.0000 B- / / 0.0000 57 RCS LOW FLOW 03/15/80 0.0640 0.0570 0.0640 0.0500-f RT-6.21 12/13/82 0.0500 f ' K314 / /- 0.0000 p
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A- / / 0.0000 p 58 RCS LOW FLOW 03/15/80 0.0640 0.0583- 0.0640 0.0525-
,RT-6.21 06/29/80 0.0525 ;
K314 / / 0.0000' B / / 0.0000 59 RCS LOW FLOW 03/15/80 0.0480 0.0427 0.0480 0.0400 RT-6.22- 06/11/80 0.0400-K128 06/29/88 ,. 0400
-A- / / 0.0000 i
60 RCS LOW FLOW 03/15/80 0.0480 0.0478 0.0480 0.0475 RT-6.22 04/04/84 0.0475 K128 '
/-/ 0.0000 B / / 0.0000 ,
61 RCS LOW FLOW 03/15/80 0.0480 0.0515 0.0550 0.0480 RT-6.23 06/29/88 0.0550 K228 / / 0.0000 A / / 0.0000 62 RCS LOW FLOW 03/15/80 0.0480- 0.0380 0.0480 0.0280 RT-6.23 09/23/81 0.0280 K228 / / 0.0000
.B / / 0.0000 63 RCS LOW FLOW 03/15/80 0.0560 0.0430 0.0560 0.0300 RT-6.24 12/13/82 0.0300 K321 / / 0.0000 A / / 0.0000 p:-
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1.!'/68/89 SEQUOYAH NUCLEAR PLANT UNIT ~1 REACTOR TRIP CHANNELS RESPONSE TIMES OVER THE LIFE OF THE PLANT
' RECORD. TRIP FUNCTION PERF DATE 1 RESP TIME 1 AVERAGE MAXIMUM MINIMUM
^NUMBERf TEST-PROCEDURE PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE RESPONSE
, INPUT: RELAY NO. - 'PERF DATE 3 RESP TIME 3 TIME TIME TIME
= TRAIN. PERF DATE 4 RESP TIME 4 MEASURED MEASURED 64 -RCS LOW FLOW 03/15/80 0.0560 0.0593 0.0625 0.0560 RT-6.24 06/29/88 0.0625 K321 / / 0.0000 i? B /- / 0.0000 65- SG LEVEL LO LO 03/15/80- 0.0680 0.0679 'O.0680 0.0675 RT-7.13 06/11/80 0.0680 K407 04/04/84 0.0680 A 06/29/88 0.0675 66 SG LEVEL LO LO 03/15/80 0.0720 0.0700 0.0720 0.0680 g RT-7.13 04/04/84 0.0680 ;,
y K407 / / 0.0000 (~ l B / / 0.0000 l 67 SG LEVEL LO LO 03/15/80 0.0880 0.0915 0.0950 0.0880- i RT-7.14 06/29/88 0.0950 ; K331 / / 0.0000 ; A / / 0.0000' '
- 68. SG LEVEL LO LO 03/15/80. 0.0880 0.0880 0.0880 0.0880 RT-7.14 04/17/82 0.0880 K331 / / 0.0000 0.0000
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B / / ,
'l 69 SG LEVEL LO LO 03/15/80 0.0680 0.0390 0.0680 0.0100 .i RT-7.15 12/13/82 0.0100 {
K230 / '/ 0.0000 l A- / / 0.0000 ! 70 SG LEVEL LO LO 03/15/80 0.0720 0.0635 0.0720 0.0550 ! RT-7.15 06/29/88 0.0550 K230 / / 0.0000 B / / 0.0000 71 .SG LEVEL LO LO 03/15/80 0.0720 0.0807 0.0900 0.0720 RT-7.16 06/11/80 0.0800 K408 06/29/88 0.0900 A / / 0.0000 , 72. SG LEVEL LO LO 03/15/80 0.0720 0.0430 0.0720 0.0140 , RT-7.16 04/04/84 0.0140 L K408 / / 0.0000 2 B / / 0.0000 l' [
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.e' REACTOR TRIP CHANNELS jer RESPONSE TIMES OVER THE LIFE OF THE PLANT LRECORD' TRIP FUNCTION PERF DATE 1 RESP TIME 1 AVERAGE MAXIMUM MINIMUM F ' NUMBER ' TEST-PROCEDURE PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE RESPONSE m INPUT RELAY NO. PERF DATE 3- RESP TIME 3 TIME TIME TIME
-TRAIN PERF DATE 4 RESP TIME 4 MEASURED- MEASURED ,
73 SG' LEVEL LO LO 03/15/80 0.0880 0.0829' O.0880 0.0777 RT-7.17 06/29/88 0.0777
... K332 / / 0.0000 A / / 0.0000
<74 SG LEVEL LD LO 03/15/80 0.0880 0.0850 'O.0880 0.0820 RT-7.17 04/17/82 0.0820 K332 /. / 0.0000 B / / 0.0000 75 SG LEVEL LO LD 03/15/80 0.0560 0.0400 0.0560 0.0400 RT-7.18 12/13/82 0.0400 5 K114- / / 0.0000 J A. / / 0.0000 76 SG LEVEL LO LO 03/15/80 0.0560 0.0580 0.0600- 0.0560 RT-7.18 06/29/88 0.0600 K114' / / 0.0000 B / / 0.0000 77 SG LEVEL LO LO 03/15/80 0.0640 0.0742 0.0825 -0.0640 RT-7.19 06/11/80 0.0760 K409. 06/29/88 0.0825 A / /- 0.0000 ;
'78 SG LEVEL LO LO 03/15/80 0.0640 0.0560 0.0640 0.0480- '
RT-7.19 04/04/84 0.0480 K409 / / 0.0000 B / / 0.0000. 79 SG LEVEL LO LO 03/15/80 0.0720 0.0685 0.0720 0.0650 RT-7.20 06/29/88 0.0650 K333 / / 0.0000 A / / 0.0000 80 SG LEVEL LO LO 03/15/80 0.0720 0.0600 0.0720 0.0480 RT-7.20 09/23/81 0.0480 K333 / / 0.0000 B / / 0.0000 81' SG LEVEL LO LO 03/15/80 0.0640 0.0545 0.0640 0.0450 RT-7.21 12/13/82 0.0450 K113 / / 0.0000 A / / 0.0000 ,
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r . REACTOR TRIP CHANNELS _0 - RESPONSE TIMES
. OVER THE LIFE OF.THE PLANT >
g-RECORD TRIP FUNCTION PERF DATE 1 RESP TIME 1 AVERAGE MAXIMUM MINIMUM NUMBER TEST PROCEDURE PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE RESPONSE INPUT RELAY NO.- PERF DATE 3 RESP TIME 3 TIME TIME TIME TRAIN PERF DATE 4 RESP TIME 4 MEASURED MEASURED 82 SG LEVEL LO LO 03/15/80 0.0640 0.0570 0.0640 0.0500- - RT-7.21 06/29/88 0.0500 K113 / / 0.0000 B' / / 0.0000 83 SG' LEVEL LO LO 03/15/80 0.0720 0.0627 0.0720 0.0560 RT-7.22 06/11/80 0.0560
.K410- 06/29/88 0.0600 A- / / 0.0000 84 SG LEVEL LO LO 03/15/80 0.0720 0.0392 0.0720 0.0064 "
RT-7.22 04/04/84 0.0064 4 K410 / /. 0.0003 c B / / 0.0000 85 SG LEVEL LO LO 03/15/80 0.0720 0.0635 0.0720 0.0550 RT-7.23 06/29/88 0.0550 K334 / / 0.0000 A / / 0.0000 86 SG LEVEL LO LO '03/15/80 0.0720 0.0640 0.0720 0.0560 RT-7.23 04/17/82 0.0560 K334 / / 0.0000 , B / / 0.0000 87 SG LEVEL LO LO 03/15/80 0.0640 0.0552 0.0640 0.0463'
.RT-7.24 12/13/82 0.0463 K231 / / 0.0000 A / / 0.0000
-88 SG LEVEL LO LO 03/15/80 0.0560 0.0580 0.0600 0.0560 RT-7.24 06/29/88 0.0600 K231 / / 0.0000 <
B / / 0.0000 89 OTDT/PRZR PRESS 06/29/88 0.2300 0.2300 0.2300 0.2300 RT-11.5 / / 0.0000 K112 / / 0.0000 A / / 0.0000 90 OTDT/PRZR PRESS 06/29/88 0.2300 0.2300 0.2300 0.2300 RT-11.5 / / 0.0000 K112 / / 0.0000 B / / 0.0000 l' i
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. OVER THE LIFE OF THE PLANT RECORD TRIP FUNCTION PERF DA1E 1 RESP TIME 1 AVERAGE MAXIMUM MINIMUM NUMBER TEST PROCEDURE PERF DATE 2- RESP TIME 2 RESPONSE RESPONSE RESPONSE 3
-INPUT RELAY-NO. PERF DATE 3 RESP TIME 3 TIME TIME TIME TRAIN PERF DATE 4 RESP TIME 4 MEASURED MEASURED o
91 OTDT/PRZR PRESS 06/29/88 0.1500 0.1500 0.1500 0.1500 RT-11.6- / / 0.0000 , K236 / / 0.0000. ! A / / 0.0000 4 92 OTDT/PRZR PRESS 06/29/88 0.1300 0.1300 0.1300 0.1300 : RT-11.6 / / 0.0000 ! K236 / / 0.0000 ; B / / 0.0000 I 93 OTDT/PRZR PRESS 06/29/88 0.1750- 0.1750 0.1750 0.1750, RT-11.7. / / 0.0000 ? K323 / / 0.0000 v. ;
-A / / 0.0000 94 OTDT/PRZR PRESS 06/29/88 0.1750 0.1750 0.1750- 0.1750 -;
RT-11.7 / / 0.0000 K323 / / 0.0000 B- / / 0.0000 I 95 OTDT/PRZR PRESS 06/29/8B 0.1450 0.1450 0.1450 0.1450 . RT-11.8- / / 0.0000 i K421 / / 0.0000 A- / / 0.0000 1 96 OTDT/PRZR PRESS 06/29/88- 0.1450 0.1450 0.1450 0.1450 RT-11.8 / / 0.0000
~K421 / / 0.0000 B / / 0.0000 97 0 TDT / FLUX IMBAL 06/29/88 0.2200 0.2200 0.2200 0.2200 RT-11.5 / / 0.0000 K112 / / 0.0000 A' / / 0.0000 98 OTDT/ FLUX IMBAL 06/29/88 0.2200 0.2200 0.2200 .0.2200 RT-11.5 / / 0.0000 K112 / / 0.0000 B / / 0.0000 OTDT/ FLUX IMBAL 06/29/88 0.2050 0.2050 0.2050 0.2050 99 RT-11.6 / / 0.0000 ,
K236 / / 0.0000 A / / 0.0000
QK .[p g ngg a . i [88/89~ SEQUOYAH NUCLEAR PLANT UNIT 1 cy *: REACTOR-TRIP CHANNELS e , RESPONSE TIMES' ! OVER THE LIFE OF-THE PLANT
. RECORD 3 TRIP FUNCTION PERF DATE 1 RESP TIME 1 AVERAGE MAXIMUM MINIMUM
- NUMBER TEST PROCEDURE PERF DATE'2 -RESP TIME 2- RESPONSE ~ RESPONSE ' RESPONSE-INPUT RELAY NO.
- PERF DATE 3 : RESP TIME 3 TIME TIME TIME-
-TRAIN PERF DATE 4- RESP TIME 4- MEASURED MEASURED _
1b8 0 TDT / FLUX IMBAL 06/29/88 0.1850 0.1850 .0.1850 0.1850 l RT-11.6 '
/ / 0.0000- '
-K236 / / 0.0000 dy B / / 0.0000 101. -0 TDT / FLUX IMBAL- 06/29/88 0.2280- 0.2280 0.2280 0.2280- .
'RT-11.7' -/ / 0.0000 K323- / / '0.0000
.A' / / 0.0000 ..l
'102' OTDT/ FLUX:IMBAL 06/29/88 0.2250 0.2250' O.2250 0.2250 RT-11.7 / ./ 0.0000 i J K323 '/ / 0.0000 ,
'B' / / 0.0000' 103 l0 TDT / FLUX IMBAL 06/29/88 0.2050 0.2050 0.2050 0.2050-RT-11.8 / / 0.0000 C..
K421 / / 0.0000 A. / /- 0.0000'
'104 OTDT/ FLUX-IMBAL 06/29/88 0.2050 '0.2050 0.2050' O.2050 '
RT-11.8 /. / 0.0000-K421 /- / 0.0000 B / '/ 0.0000 105 OTDT/ DELTA TEMP 03/15/80 1.8400 1.4223 1.8400 0.9120 t RT-11.5 06/11/80 0.9120 K112 06/29/88 1.5150 A / / 0.0000 , 106' OTDT/ DELTA TEMP 03/15/80 1.8400 1.4517 1.8400 0.9900 RT-11.5 04/04/84 0.9900
'K112. 06/29/88 1.5250 B / / 0.0000 107 OTDT/ DELTA TEMP 03/15/80 1.0000 0.8000 1.0000 0.6000 RT-11.6 06/29/88 0.6000 K236 / / 0.0000 A / / 0.0000 108 OTDT/ DELTA TEMP 03/15/80 1.0000 0.8893 1.0680 0.6000 '
RT-11.6' 04/17/82 1.0680 K236 06/29/88 0.6000 B / / 0.0000 l~ l=
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-SEQUOYAH NUCLEAR PLANT UNIT.1
j n. REACTOR TRIP CHANNELS i RESPONSE TIMES- !
OVER THE LIFE OF THE PLANT
. RECORD- TRIP. FUNCTION: PERF DATE 1 RESP TIME 1 AVERAGE MAXIMUM. MINIMUM- i J NUMBER : TEST PROCEDURE: PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE : RESPONSE f
INPUT RELAY NO.. PERF DATE 3 RESP TIME 3 TIME. TIME TIME-
-TRAIN- PERF DATE 4 RESP TIME 4 MEASURED' MEASURED 109' OTDT/ DELTA' TEMP 03/15/80 1.7600- ,1.3767 1.7600 1.0000 ;
RT-11.7 12/13/82 1.0000 ' g
=K323 06/29/88 1.3700 ;
0.0000 A- ,_
/ /
110 OTDT/ DELTA TEMP 03/15/80 1.7600 1.5650 1.7600 1.3700-
~RT-11.7- 06/29/88 1.3700 L K323 /= / 0.0000 y B / / 0.0000 111 OTDT/ DELTA TEMP' 03/15/80- 1.7040 1.1320- 1.7040 0.5600 RT-11.8 06/29/88 0.5600 ~!. .
K421 / / 0.0000 6 i At / / 0.0000 : 112 OTDT/ DELTA TEMP 03/15/80 1.7040 1.1303 1.7040 .0.5550-RT-11.8 04/17/82 1.1320 K421 06/29/88 0.5550 g B / / 0.0000-113; OTDT/TAVG 06/29/88 0.6150 0.6150 0.6150 0.6150
'RT-11.5 / / 0.0000 [
K112 / / 0.0000 A /- / 0.0000 ,
.114? OTDT/TAVG 06/29/88 0.6150 0.6150 0.6150 0.6150 RT-11.5 / /. 0.0000 K112: / / 0.0000 B. / / 0.0000 zj 115 OTDT/TAVG 06/29/88 0.6050 0.'6050 0.6050 0.6050 RT-11.6 /' / 0.0000 K236 / / 0.0000 A / / 0.0000 >
116 OTDT/TAVG 06/29/88 0.6000 0.6000 0.6000 0.6000 RT-11.6 / / 0.0000 o K236. / / 0.0000 B / / 0.0000 117 DTDT/TAVG 06/29/88 0.6600 0.6600 0.6600 0.6600 RT-11.7 / / 0.0000 K323 / / 0.0000 A / / 0.0000
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REACTOR-TRIP CHANNELS; r' . RESPONSE TIMES
'0VER THE LIFE OF.THE PLANT i
, iRECORD: TRIP FUNCTION PERF DATE 1 RESP TIME 1 AVERAGE MAXIMUM. MINIMUM-
.,s NUMBER STEST PROCEDURE PERF DATE 2 RESP TIME 2- RESPONSE RESPONSE RESPONSE-INPUT RELAY NO.. PERF DATE 3 RESP, TIME 3 TIME TIME TIME.
[ k TRAIN PERF DATE 4 RESP TIME 4 MEASURED MEASURED k" - ,
?!!8 OTDT/TAVG 06/29/88 0.6550 0.6550. 0.6550 0.6550-D RT-11.7 /- r -0.0000 '
K323 / . /. 0.0000 B: / / 0.0000
=119 OTDT/TAVG 06/29/88 0.5550 0.5550 0.5550 0.5550
.RT-11.8 / / 0.0000 '
K421 / / 0.0000
.A / / 0.0000 120 OTDT/TAVG 06/29/88 0.5520 0.5520 0.5520 0.5520-RT-11.8 / / 0.0000 3-m K421 / / 0.0000 ,
B' /- / 0.0000 121 RCP1 UV- 03/15/80 0.0040 0.1910 0.3000 0.0040 DPSD RTUV-1 06/11/80 0.2160 K124- 12/12/82 0.2440 A, 06/29/88 0.3000 122 RCPituVE -03/15/80 0.0040 0.1963 0.2950 0.0040-DPS0 RTUV-1 04/04/84= 0.2900 K124' 06/29/88 0.2950 O.0000 B~ 123 RCP2 UV 03/15/80 0.0040 0.1370 0.2700 0.0040 DPSD RTUV-1' 06/29/88 0.2700 K239 / / 0.0000 A / / 0.0000-124 RCP2 UV 03/15/80 0.0040 0.1583 0.2750 0.0040 DPSD RTUV-1 - 09/23/81 0.1960 K239 06/29/88 0.2750 B / / 0.0000 125 RCP3 UV 03/15/80 0.0040 0.1220 0.2400 0.0040
.DPSO RTUV-1 06/29/88 0.2400 K328 / / 0.0000 A' / / 0.0000 126- RCP3 UV 03/15/80 0.0040 0.1195 0.2350 0.0040 DPSO RTUV-1 06/29/88 0.2350 K328 / / 0.0000 l
B / / 0.0000 L 1
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-SEQUOYAH NUCLEAR PLANT UNIT 1
. REACTOR TRIP CHANNELS j RESPONSE TIMES' k OVER THE L1FE OF THE PLANT
. RECORD TRIP FUNCTION PERF DATE 1- RESP TIME 1 AVERAGE MAXIMUM MINIMUM NUMBER TEST PROCEDURE PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE- RESPONSEL INPUT RELAY NO. PERF DATE 3 RESP TIME 3 TIME TIME TIME TRAIN PERF DATE 4 RESP TIME 4 MEASURED MEASURED f 127 RCP4 UV 03/15/80 0.0080 0.1740 0.2900 0.0080 DPSO RTUV-1 06/11/80 0.2240 K413 06/29/88 0.2900 A / / 0.0000 128 RCP4 UV 03/15/80 0.0080 0.1958 0.2950 0.0080 DPS0 RTUV 09/23/81 0.2000 K413 04/04/84- 0.2800 B 06/29/88 0.2950 l l
129 RCP1 UF -03/15/80 0.0040 0.1510 0.2200 0.0040 DPSO RTUF-1 06/11/80 0.1840 3 K151 12/12/82 0.1960 , A 06/29/88 0.2200 130- RCP1 UF 03/15/80 0.0080 0.1527 0.2300 0.0080 DPSO RTUF-1 04/04/84 0.2300 K151 06/29/88 0.2200 l B / / 0.0000 l 1 131 RCP2 UF 03/15/80 0.0080 0.1165 0.2250 0.0080 l DPSD RTUF-1 06/29/88 0.2250 K251 / / 0.0000 A / / 0.0000 132 RCP2 UF 03/15/80 0.0040 0.1377 0.2250 0.0040 l DPSO RTUF-1 09/23/81 0.1840 ! K251 06/29/88 0.2250 ! B / / 0.0000 1 133 RCP3 UF' 03/15/80 0.0080 0.1227 0.2375 0.0080 l DPSO-RTUF-1 06/29/88 0.2375 [ K336 / / 0.0000 A / / 0.0000 134 RCP3 UF 03/15/80 0.0080 0.1215 0.2350 0.0080 DPSD RTUF-1 06/29/88 0.2350 K336 / / 0.0000 y B / / 0.0000 135 RCP4 UF 03/15/80 0.0080 0.1140 0.2200 0.0080 ; DPSD RTUF-1 06/29/88 0.2200 K426 / / 0.0000 A / / 0.0000
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_ SEQUOYAH NUCLEAR ~ PLANT: UNIT 1 [p y ,' yn * - - REACTOR TRIP-CHANNELS- ;
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I
' RECORD. ETRIP FUNCTION PERF DATE 1 RESP TIME'1 AVERAGE. MAXIMUM. MINIMUM ;
F/ LNUMBER, TEST PROCEDURE PERF DATE 2 RESP TIME 2 RESPONSE- RESPONSE RESPONSE- ! ip , _ INPUT RELAY NO. PERF DATE 3 RESP TIME 3 TIME- TIME' -TIME
:m TRAIN. ,PERF DATE 4 RESP TIME 4 MEASURED MEASURED.
p.
< L136 'RCP4-UFL l03/15/80 0.0040 0.1145- 0.2250 -0.0040 ;
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, ,+ SEQUOYAH NUCLERR' PLANT UNIT 1 341 ENGINEERED SAFETY FEATURES-INPUT AND MASTER RELAY-RESPONSE TIMES DVER.THE LIFE OF THE PLANT
,L -RECORD ESF FUNCTION' PERF DATE 1 RESP TIME 1 AVERAGE MAXIMUM MINIMUM
-NUMBER TEST PROCEDURE PERF DATE 2- RESP TIME 2 RESPONSE RESPONSE RESPONSE LINPUT RELAY NO. PERF DATE 3 RESP-TIME J' TIME TIME TIME ]
TRAIN. PERF DATE 4 RESP TIME 4-- MEASURED . L 1- CONT PRESS HI 06/18/79 0.0600 0.0433- 0.0600 0.0300 RT 16.6' 07/27/801 0.0300 i K217' / / 0.0000. (
-A 09/24/88 0.0400 J l
2 -CONT PRESS HI 06/18/79 0.0640 .0.0507 10.0640 0.0400 ! RT'16.6 12/08/83 0.0400 K217 05/18/84 0.0480 B- /' / 0.0000 J
-3 CONT PRESS HI- 06/18/79 0.0520 0.0590 0.0800 0.0450 j RT 16.7 / /- 0.0000 '! !
K330 09/30/85 0.0800 (. A 08/17/88- 0.0450
)
4 . CONT PRESS HI 06/18/79 0.0560 0.0500 0.0560 0.0440 'i RT 16.7 01/30/82 0.0440 K330 / '/ 0.0000
-B / / 0.0000 l
-5 CONT-PRESS HI 06/18/79 0.0560 0.0440 0.0560 0.0320 i RT 16.8. 10/06/82 0.0320 l K430. /~ / 0.0000 ,
A- / / 0.0000 j 6 -CONT PRESS HI 06/18/79 0.0600 0.0575 0.0600 0.0550 RT 16.8 / / 0.0000 -l K430' '/ / 0.0000 4 B 09/25/88 0.0550 7 PRZR PRESS LO 06/18/79 0.0640 0.0570 0.0640 0.0500 A RT 4.5 / / 0.0000 K131 / / 0.0000 A- 09/28/88 0.0500 8 PRZR PRESS LO 06/18/79 0.0640 0.0654 0.1000 0.0400 RT 4.5 07/26/80 0.0400 K131 02/21/84 0.1000 B 09/28/88 0.0575 f 9 PRZR PRESS LO 06/18/79 0.0680 0.0597 0.0680 0.0550 RT 4.6 / / 0.0000 K201 09/17/86 0.0560 A 10/02/88 0.0550 t l I.
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; RECORD 1 ~ESF FUNCTION PERF'DATE 1 RESP TIME 1 AVERAGE MAXIMUM MINIMUM
-NUMBER TEST PROCEDURE' PERF-DATE 2 RESP TIME 2 RESPONSE RESPONSE- RESPONSE INPUT ~ RELAY NO. PERF DATE 3 RESP TIME 3 TIME TIME TIME
' TRAIN PERF DATE 4 RESP TIME 4 MEASURED i
10 PRIR PRESS LOL 06/18/79 0.0680 0.0632 0.0680 0.0575 RT 4. 6 01/27/82 0.0640 K201 .// 0.0000 B 10/02/88 0.0575 11' PRZR PRESS LO' 06/18/79 0.0640 0.0643 0.0650 0.0638 RT14.~7 12/05/82 0.0638 t K344 /. / 0.0000 10/13/88 0.0650 A
- 12 PRZR PRESS LO - 06/18/79 0.0640 0.0645 0.0650 0.0640 RT 4.~7 / / 0.0000 ;
K344~ _/ / 0.0000 ;- B 10/13/88 0.0650 l13 STM LINE DP 1-2 06/18/79 0.0920 0.0760 0.0920 0.0600 RT 9.3 06/02/80 0.0760 K133 / / 0.0000 A 09/08/88 0.0600 14 STM LINE,DP 1-2 06/18/79 0.0640 0.0593 0.0640 0.0500 RT 9.3 06/02/80 0.0640 ; K134 / / 0.0000 t A- 09/08/88 0.0500
;i - 15 STM LINE DP 1-2 06/15/79 0.0920 0.0735 0.0920 0.0550 RT 9.:3 12/04/83 0.0550
;K133 / /- 0.0000 B / / 0.0000 16 'STM LINE DP 1-2 06/18/79 0.0640 0.0795 0.0950 0.0640 fri 9. 3 12/04/83 0.0950 K134- / / 0.0000 B / / 0.0000 17 STM LINE DP 1-3 06/18/79 0.0720 0.0573 0.0720 0.0300 RT 9.4 10/09/85 0.0300 K247 / / 0.0000 A 09/11/88 0.0700 18 STM LINE DP 1-3 06/18/79 0.0800 0.0675 0.0875 0.0350 RT 9.4 10/09/85 0.0350 K248 / / 0.0000 A 09/11/A8 0.0875
? l? sp}g,ng. .- 3l L l r C',q 11'f 08/89 ' ' SEQUQYAH NUCLEAR PLANT UNIT 1 C ENGINEERED SAFETY FEATURES l s INPUT AND MASTER RELAY RESPONSE TIMES ' h OVER THE LIFE OF.THE PLANT l l RECORD ESF-FUNCTION PERF'DATE 1 RESP TIME 1 AVERAGE MAXIMUM MINIMUM , NUMBER = . TEST PROCEDURE PERF DATE 2_ RESP TIME 2 RESPONSE. RESPONSE RESPONSE . INPUT-RELAY'NO. PERF DATE 3 RESP TIME 3 TIME TIME- TIME l TRAIN PERF DATE 4- RESP: TIME 4 MEASURED g 1 19- 'STM LINE DP 1-3 06/18/79 0.0720 0.0605 0.0720 0.0490 RT 9.4 11/03/81 0.0490 K247- / / 0.0000 B, / / 0.0000
~
g 20 STM LINE-DP 1-3 06/18/79 0.0760 0.0660 0.0760 'O.0560 RT 9.4 11/03/81 0.0560 K248 / / 0.0000 B / / 0.0000 21 STM LINE DP 1-4 06/18/79 0.0680 0.0653 0.0680 0.~0625 RT 9.5A 01/13/83 0.0625 I~ K417' / / 0.0000 i A /. / 0.0000 22 ~ STM LINE DP 1-4 06/18/79 0.0760 0.0630 0.0760 0.0500 RT 9.5A 01/13/83 0.0500 K418 /. / 0.0000 A / / 0.0000 L23 STM LINE DP 1-4 06/18/79 0.0640 - 0.0538 0.0640 0.0425 RT 9.5A 10/20/82 0.0425 K417 / / 0.0000 B 09/10/88 0.0550 24 ~STM LINE DP 1-4 06/18/79 0.0800 0.0583 0.0800 0.0225
~RT 9.5A 10/20/82 0.0225 K418 / / 0.0000 B 09/10/88 0.0725 25 'STM LINE DP 2-4 06/18/79 0.0560 0.0553 0.0600 0.0500 RT 9.7 10/10/85 0.0500-K203 / / 0.0000 A 09/11/88 0.0600 26 STM LINE DP 2-4 06/18/79 0.0720 0.0523 0.0720 0.0150 RT 9.7 10/10/85 0.0150 p K204 / / 0.0000 A 09/11/88 0.0700 27 STM LINE DP 2-4 06/18/79 0.0560 0.0600 0.0640 0.0560 RT 9.7 09/28/81 0.0640 K203 / / 0.0000 D / / 0.0000
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- s
- NUMBER TEST PROCEDURE PERF DATE 21 RESP TIME 2 RESPONSE RESPONSE RESPONSE ,
INPUT RELAY NO.- PERF DATE 3 RESP TIME 3 TIME TIME TIME, TRAIN- PERF DATE 4 RESP TIME 4 MEASURED-i 28' STM LINE DP-2-4' 06/18/79 0.0720 0.0600 0.0720 0.0480 2 '^ RT 9.7; 09/28/81: 0.0480 K204- / / 0.0000 - "~ 1 B / /. '0.0000 E : 29- STM LINE DP 2-3 06/18/79 0.0560. 0.0568 0.0575 0.0560 RT 9.8A 10/15/82 0.0575 K317- / / 0.0000 . < d A / :/ 0.0000 t 30 STM LINE DP 2 06/18/79 0.0760' O.0605 0.0760 0.0450: RT 9.8A- 10/15/82' O.0450 i K318- -/- / 0.0000 i A // 0.0000 t , 1 31 STM LINE DP 2-3. 06/18/79 0.0640 0.0595 -0.0640 0.0550-RT 9.84- ./ / 0.0000 K317 / / 0.0000 D 09/09/88 0.0550
~ 325 STM LINE DP 2-3 06/18/79 0.0800 0.0650 0.0800 0.05001 -
K RT 9.8A / /- 0.0000 K318 ~/ /. 0.0000 f
~B 09/09/88 0.0500 33 STM LINE DP 3-4 06/18/79 0.0720 0.0517 0.0720 0.0380 RT 9.9 07/28/80 0.0380
'K118 / /~ 0.0000' A' 09/12/88 0.0450 [
34- STM LINE DP 3-4 06/18/79 0.0640 0.0512 0.0640 0.0420 RT 9.9 07/28/80 0.0420 K119 / / 0.0000 i A. 09/12/88 0.0475 35 STM L'INE DP 3-4 06/18/79 0.0720 0.0785 0.0850 0.0720 1 RT 9.9 12/04/83 0.0850 ! K118 / / 0.0000 B / / 0.0000 36 STM LINE DP 3-4 06/18/79 0.0640 0.0620 0.0640 0.0600 RT 9.9 12/04/83 0.0600
-K119 / / 0.0000 B / / 0.0000
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NUMBER . TEST PROCEDURE PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE RESPONSE INPUT RELAY NO. PERF DATE 3 RESP TIME 3 TIME TIME TIME i
, TRAIN. PERF DATE 4 RESP TIME 4 MEASURED 37 2 STM FLOWS HI- 06/18/79 0.3720 0.3206 0.3720 0.2750 <
RT 8.17 07/26/80- 0.3280 K107 10/04/82- 0.3075 A 08/25/88- 0.2750 i 38 2 STM FLOWS HI 06/13/79 '0.3760 0.2427 0.3760 0.0320 RT 8.17 05/24/84 0.0320 i
-K107 / / 0.0000 B 08/27/88 0.3200
'39- 2 STM FLOWS HI 06/18/79 0.2720 0.2580 0.2720 0.24004 RT 8.18 10/04/82 0.2400 J- .j K243 10/09/85 0.2550 g 08/26/88 A 0.2650 40 2 STM FLOWS HI- 06/18/79 0.2720 0.2660 0.2720 -0.2560 RT 8.18 11/12/82 0.2560 K243 '/ / 0.0000 B 08/26/88 0.2700 41 2 STM FLOWS HI 06/18/79 0.2960 0.2785 0.2960 0.2700 RT 8.19 07/26/80 0.2700 K115 10/05/82 0.2775 A 08/26/88 0.2705 42 2 STM FLOWS HI 06/18/79 0.2960 0.1977 0.2960 0.0320 RT 8.19 05/18/84 0.0320 K115 / / 0.0000 B 08/26/88 0.2650 ,
43 2 STM FLOWS HI 06/18/79 0.2400 0.2610 0.2950 0.2250 RT 8.20 07/27/80 0.2840 K246 09/11/85 0.2250 A 09/02/88 0.2950
-44' 2 STM FLOWS HI 06/18/79 0.2560 0.2630 0.2960 0.2080 RT 8.20 07/27/80 0.2920 K246 01/13/82 0.2960 B 05/18/84 0.2080 >
45 2 STM FLOWS HI 06/18/79 0.2960 0.2950 0.3100 0.2840 RT 8.21 07/27/80 0.2840 K116 10/05/82 0.2900 A 09/17/88 0.3100 l l
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RECORD ESF FUNCTION PERF DATE 1 RESP. TIME.1 AVERAGE MAXIMUM MINIMUM NUMBER TEST PROCEDURE PERF DATE 2 RESP TIME 2 RESPONSE RESPONSE RESPONSE INPUT RELAY NO. PERF DATE 3 RESP TIME 3 TIME TIME TIME p -TRAIN- PERF DATE 4 RESP TIME 4 MEASURED t 46' 2 STM FLOWS HI 06/18/79 0.3040 0.2163 0.3100 0.0350 RT 8.21 05/18/84 0.0350 K116 / / 0.0000 B 09/17/88 0.3100 47 2 STM FLOWS HI 06/18/79 0.2880 0.3008 0.3150 0.2880 4- RT 8.22 10/04/82 0.2900 i l K244 09/19/85 0.3150 A 09/04/88 0.3100 1 48 2 STM FLOWS HI 06/18/79 0.2880 0.3083 0.3250 0.2880 RT 8.22 01/24/82 0.3120 ; i K244 / /. 0.0000 , 1 B 09/06/88 0.3250
. 49 2 STM FLOWS HI 06/18/79 0.3120 0.3287 0.4000 0.2880 I RT-8.23- 06/04/80 0.2880 f
-K117 06/03/86 0.4000 A 09/02/88 0.3150 i
-50 2 STM FLOWS HI 06/18/79 0.3120 0.1227 0.3120 0.0280 ;
RT 8.23 09/27/81 0.0280 K117 05/18/84 0.0280 B / / 0.0000 l l 51 2 STM FLOWS HI 06/18/79 0.2560 0.3015 0.3675 0.2560 ! RT 8.24 10/04/82 0.3175 'l K245 06/23/86 0.3675 l A. 09/04/88 0.2650 l l 52 2 STM FLOWS HI 06/18/79 0.2480 0.1783 0.2550 0.0320 ' RT 8.24 09/27/81 0.0320 i K245 / / 0.0000 B 09/10/88 0.2550 53 TAVG LP1 LO LO 07/30/79 3.2400 2.5580 3.2400 2.0440 RT 11.5 07/29/80 2.0440 K148 / / 0.0000 A 10/01/88 2.3900 54 TAVG LP1 LO LO 07/30/79 3.2400 2.4883 3.2400 1.8300 RT 11.5 / / 0.0000 K148 02/22/84 1.8300 B 10/01/88 2.3950 i
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RECORD ESF' FUNCTION PERF DATE 1 RESP TIME 1- AVERAGE MAXIMUM MINIMUM z.
, NUMBER' TEST PROCEDURE PERF DATE 2- RESP TIME 2 RESPONSE RESPONSE RESPONSE JNPUT RELAY.NO. PERF DATE 3 RESP. TIME 3 TIME TIME TIME TRAIN PERF DATE 4- RESP TIME 4 MEASURED 55 TAVG.LP2 LO LD. 07/30/79 3.2400 2.7233 '3.2400 2.4600 RT 11.6 / / 0.0000 , K229 11/06/85 2.4600
? A. 10/07/88 2.4700 56 TAVG LP2 LO LO 07/30/79 3.2320 2.6267 3.2320 2.1880 : RT 11.6 02/02/82 2.1880 K229 / / 0.0000 B 10/07/88 2.4600 57 TAVG LP3 LO LO 07/30/79 2.6960 2.3980 2.6960 1.9530
-RT 11.7 10/17/82 1.9530 '
K306 / / 'O.0000 i A 10/17/88 2.5450 58 TAVG LP3 LO LO 07/30/79 2.6960 2.6180 2.6960 2.5400L RT-11.7 / / 0.0000 K306 / / 0.0000 B 10/17/88 2.5400 59 .TAVG LP4 LO LO 07/30/79 3.2560 2.7153 3.2560 2.3900 RT 11.3 / / 0.0000-K406 11/06/85 2.5000 A 10/27/88 2.3900 60 TAVG LP4 LO LO. 07/30/79 3.2560 2.6850 3.2360 2.3900 RT 11.8 02/03/82- 2.4120 K406 / / 0.0000 B 10/27/88 2.3900 61 STM 1 PRESS to 06/18/79 0.0560 0.0642 0.0725 0.0560 RT 9.5 05/30/80 0.0640 K419 / / 0.0000 A 09/11/88 0.0725 62 STM-1 PRESS LO 06/18/79 0.0560 0.0600 0.0640 0.0560 RT 9.5 12/07/83 0.0640 K419 / / 0.0000 B / / 0.0000
-63 STM 2 PRESS LO 06/18/79 0.0760 0.0703 0.0760 0.0600 RT 9.8 07/28/80 0.0600 K319 / / 0.0000 A 09/08/88 0.0750
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<.'RECORD IESF FUNCTION PERF DATE 1 RESP TIME'1 AVERAGE MAXIMUM MINIMUM'
- NUMBER) 1 TEST PROCEDURE PERF DATE 2 RESP TIME ~2 RESPONSE- RESPONSE RESPONSE.
ll . INPUT RELAY. NO. : PERF DATE 3 : RESP! TIME 3 -TIME TIME -TIME-TRAIN PERF DATE 4- RESP TIME 4 MEASURED-i 64 STM 2 PRESS LO 06/18/79 0.0720 0.0810 0.0900 0.0720'
, RT 9.8- 11/30/83 0.0900
.K319f / / 0.0000
{ B / / 0.0000 65 STM 3-PRESS:LO- 06/18/79 0.0760' O.0520 0.'0760- 0.0200 RTJ9.11 09/14/85- 0.0200 K320 /./ 0.0000 A 09/09/88 0.0600
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RT 9.11 01/29/82 0.0800' ; K320 / / 0.0000- (; ; B / / 0.0000 l 67- STM 4 PRESS LO 06/18/79 0.0920 0.0782 0.0920 0.0675'
. RT 9.14 01/12/83 0.0675 ,
? -K420 / / 0.0000 I
-A- 09/10/88 0.0750 I 68 STM 4 PRESS LO 06/18/79 0.0920 0.0847 0.0920 0.0775-RT 9.14' 10/12/82- 0.0775 l K420 / /- 0.0000- -!
B / / 0.0000- ! 16 9 SS1 LEVEL HI HI 07/24/79 0.2320 0.1240 0.2320- 0.0700 : irr 7.13 07/24/80 0.0700 K431 / / 0.0000 , A. 10/17/88 0.0700- j 70 SG1 LEVEL HI HI. 07/24/79 0.2320 0.1488 0.2320 0.0656 RT 7.13 02/22/84 0.0656 .i K431 / / 0.0000 ' B / / 0.0000-M 71 SG1 LEVEL HI HI 07/24/79 0.2240 0.1238 0.2240 0.0650 -
+ :RT 7.14 / / 0.0000
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A 10/17/88 0.0650 1 72 SGI LEVEL HI HI 07/24/79 0.2240 0.1400 0.2240 0.0560 i RT 7.14 01/20/82 0.0560 K308 / / 0.0000 B / / 0.0000 l { t e b'h
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.RT 7.17 / / 0.0000 K309 09/16/85 0.0400 A 09/13/88 0.0700 78 _SG2 LEVEL HI HI 07/24/79 0.2320 0.1510 0.2320 0.0700
.RT 7.17/ 01/26/02 0.0700
'K309. / / 0.0000
~B / / 0.0000 79 SG2 LEVEL HI HI. 07/24/79 0.2160 0.1355 0.2160 0.0550 RT 7.18 10/11/82 0.0550 K138 / / -0.0000 A / / 0.0000 80 SG2 LEVEL HI HI 07/24/79 0.2160 0.1330 0.2160 0.0500 RT 7.18 / / 0.0000 K138 / / 0.0000 B 09/17/88 0.0500 81 SG3 LEVEL HI HI 07/24/79 0.2560 0.1317 0.2560 0.0640 RT 7.19 07/25/80 0.0640 K433 / / 0.0000 A 10/18/88 0.0750 I
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-RTf7.19 02/22/84 0.0240 K433. / / 0.0000 ;
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'A- 10/12/88 0.0550 84- SG3 LEVEL HI HI 07/24/79 0.2120 0.1210 0.2120 0.0300- e RT 7.20 09/25/81 0.0300 ;
K310 / / 0.0000 i'
~B / / 0.0000 i 85 SG3 LEVEL HI'HI 07/24/79 0.2080 0.1305 '0.2080 0.0530 RT '7.21- 10/11/82 0.0530 -
K139 / / 0.0000 ; A // 0.0000 7
- 86 SG3 LEVEL.HI HI 07/24/79 0.2080 0.1340 0.2080 0.0600 RT 7.21 / / 0.0000 i K139 / / 0.0000 ,
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-K434 / / 0.0000 B / / 0.0000 i
iB9 SG4 LEVEL HI HI 07/24/79 0.2320 0.1540 0.2320- 0.0800 RT 7.23 / / 0.0000 K311 09/16/85 0.1500 A 10/12/88 0.0800
< 90 'SG4 LEVEL HI HI 07/24/79 0.2320 0.1500 0.2320 0.0680 RT 7.23 01/27/82 0.0680 K311 / / G.0000 B / / 0.0000
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, SEQUDY4H NUCLE ^.R PLANT UNIT 1 EN6INEERED SAFETY FEATURES
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. PROCEDURE PERF DATE 2 RFSP T!HC 2 RESPONSE RESPONSE RESPONSE-h; INPUT- RELAY ' NO. _ PERF DATE 3 RESP TIME 3 TIME TIME TIME <
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94 SG1 LEVEL LO LO 06/15/79 0.0720 0.0700 0.0720 0.0680 (- RT 7.13 02/22/84 0.0680 K407 / -/ 0.0000 B / / 0.0000 95 SE1 LEVEL LO LO 06/15/79 0.0880 0.0929 0.0958 0.0880 RT 7.14 11/21/85 0.0958 K331' /' / 0.0000 A 10/17/88 0.0950 96 S01. LEVEL LO LO 06/15/79 0.0880 0.0855 0.0880 0.0830-c RT.7.14 01/30/82 0.0830 i K331- / / 0.0000 I B / / 0.0000 97- SG1 LEVEL LD LO 06/15/79 0.0680 0.0440 0.0680 0.0200 RT 7.15 10/16/82 0.0R00 -i K230- '/ / 0.0000 A / / 0.0000 98 SG1 LEVEL LO LO 06/15/79 0.0720 0.0635 0.0720 0.0550 M RT 7.15 / / 0.0000 K230 / / 0.0000 B 10'O'//88 9.0350 b 99, SG2 LEVEL LO LO- 05/15/79 0.0720 0.0807 0.0900 0.0720
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