ML19290A034
| ML19290A034 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 07/21/1979 |
| From: | Goldfrank J, Ian Porter METROPOLITAN EDISON CO., PRESIDENT'S COMMISSION ON THE ACCIDENT AT THREE MILE |
| To: | |
| References | |
| TASK-TF, TASK-TMR NUDOCS 7908290092 | |
| Download: ML19290A034 (88) | |
Text
.
x PRESIDENT'S COMMISSION ON THE ACCIDENT AT THREE MILE ISLAND t
_______________________________________x DEPOSITION of METROPOLITAN EDISON COMPANY by IVAN D.
- PORTER, JR.,
held at Three Mile Island Nuclear Generation Station, Harrisburg, Pennsylvania, on the 21st day of July 1979, commencing at 9:40 a.m.,
before Stephen McCrystal, a Notary Public of the State of New York.
J.
~
j 1899 251 BEN.TA.NIIN REl'ORTING SERVICE CERTIFIED SilORTilAND REI'ORTERS I'IVE III;EK.%I AN STitEIX NEW YOlt K. NI:W YOltK 10038
[212] 374-1138
- m8uom,
1 2
2 A P P E A.R A N C E S :
3 METROPOLITAN EDISON COMPANY:
4
[
SHAW, PITTMAN, POTTS & TROWBRIDGE, ESQS.
5 t
Attorneys for Metropolitan Edison Company 1800 M Street, N.W.
6 Washington, D.
C.
20036 7
BY:
AL'AN R.
YUSPEH, ESQ.
of Counsel 8
9 PRESIDENT'S COMMISSION ON THREE MILE ISLAND:
10 11 JOAN GOLDFRANK, ESQ.
Associate Counsel 12 13 ALSO PRESENT:
i 14 15 CLAUDIA A.
VELLETRI t
16 000 17 18 I VA N D
P O RT E R JR.,
having been first 19 duly sworn by Ms. Goldfrank, testified as follows:
20 (Resume of Ivan D.
Porter was marked Porter 21 Deposition Exhibit 1 for identification, this date.)
)
22 DIRECT EXAMINATION 23 BY MS. GOLDFRANK:
24 Q
Would you state your name, please.
25 A
Ivan D.
Porter, Jr.
BENJAMIN REPORTING SERVICE
1 Porter 3
2 Q
Spell it for the record.
~
3 A
I-v-a-n D.
P-o-r-t-e-r.
4 O
And your present address?
5 A
sox 490, Rb 1,
Elizabethtown, Pennsylvania.
~'
6 Q
And your present employer?
7 A
Metropolitan Edison Company.
8 Q
And your present position?
9 A
It has changed a lot in two months, sorry.
I 10 am presently working on the startup testing for Unit 1 11 restart modifications.
12 Prior to the accident, I was Instrumentation 13 Control engineer for Unit 2.
14 Q
Instrumentation Control engineer?
15 3
- yes, 16 Q
Can you explain what responsibilities that 17 position encompasses?
i l
18 A
well, generally assisting the Plant Operations, 19 Maintenance, with instrumentation control problems, t
20 participation in the Plant Operation Review Committee,
.l 21 which is PORC, which I am sure you have heard of, pro-L 22 cedure review, writing procedures.
23 Q
You are a member of PORC?
}
24 A
Yes.
I was.
I don' t k now if they have me 25 listed right now or what, since I ha-e been working B ENJAMIN R EPO RTING S ERVICE
1 Porter 4
2 on Unit 1.
3 Q
As Instrumentation Control engineer, you 4
were a member of PORC7
[~
5 A
yes.
6 g
your resume states that in 1965 you re-7 ceived a Bachelor of Science and Engineering from i
8 Pennsylvania State University; is that correct?
9 A
- yes, 10 Q
And you,then, after your graduation from 11 Pennsylvania State, did you go into the Navy?
12 A
No, I was with Philadelphia Electric.
I'm sorry, i
13 I wrote it like you usually write an employment it 14 is backwards.
15 Q
After graduation, you went with Phila-16 delphia Electric Company?
17 A
- yes, 18 Q
From September 1965 to October 19667 19 A
- yes, 20 Q
And after your employment with Philadelphia f
21 Electric, you went with General Dynamics, Electric 22 Motor Division?
i 1899 259 23 A
That was for submarines.
24 Q
And while employed at General Dynamics, 25 you attended a Nuclear Power School?
BENJAMIN R EPO RTIN G SERVICE
1 Porter 5
2 Yes.
3 Q
what kind of training did you receive at 4
the Nuclear Power School?
(
5 A
neactor.thcory.
It was primarily a propulsion
~'
6
-; ant for the submarine.
It also involved, to a certain 7
extent, the rest of the systems on the boat.
It 8
basically is a course that they give the shipyard 9
test engineers that get licenses to test the submarine.
10 Q
was it classroom instruction?
11 A
Yes.
12 Q
Was there a practical aspect to the 13 instruction?
14 A
I am not sure I understand.
15 Q
Did you sit in a classroom and read and 16 be instructed on the relevant materials, or were you 17 actually involved in testing?
I 18 A
For the specific program, it was all classroom.
19 Q
were you given a grade, then, for the l
20 claasroom instruction?
21 A
Yes, I believe I was.
I am not sure I recall b
22 now.
It was about a 90, I believe.
I placed fourth 1899 255 23 or fifth, I believe, in a class of 20.
24 o
was it a written exam that that grade 25 was based on?
BENJAMIN R EPO RTIN G S ERVICE
1 Porter 6
2 A
Several.
3 Q
Your resume indicates that in 1973, you 4
received simulator training at Babcock & Wilcox.
C 5
A yes.
~'
6 Q
Have you received any other training while 7
employed with GPU or Metropolitan Edison?
4 8
A Well, I had a couple of one-week short courses.
9 For one of them, I went to Foxburg for an instrumenta-10 tion engineering course, and I also had a multi-band 11 course in relay.
12 Q
Was that course offered at Metropolitan 13 Edison?
14 A
Well, it was arranged through GPU when I worked i
15 at GPU.
It was offered kind of like at Johnstown.
I i
16 obtained a position in the class and went out there j
I 17 for the course.
It was just one week.
6 18 Q
Were those courses required by --
19 x
no, 20 Q
Did you receive a grade in those courses?
I 21 A
No.
It was just a certxficate.
To me, really, 22 it says you were there. I don't know if they ever 1899 256 23 flunked anybody or not.
24 Q
Were you asked to evaluate the course?
25 A
Not that I recall, no.
BENJAMIN R EPO RTING S ERVICE
7 I
Porter 2
Q
.Were you given 3
A Which courses are we talking about now?
4 Q
Well, you have taken three courses, two
[\\E 5
courses and a third for simulator training since
~~
6 employed at GPU and Metropolitan Edison.
7 A
- yes, 8
Q Have you received written examinations in s
9 all three?
10 A
yes.
11 Q
Were you asked to do homework in any.of 12 those courses?
13 A
yes.
14 Q
Which courses?
15 A
I believe all three of them involved a certain I
16 amount of outside work.
l 17 Q
Your simulator training at B&W, was that 18 required for a position?
t 19 A
Yes.
From the resume, you will see I worked as f
a shift test engineer for GPU Startup Group for Three i
20 21 Mile Island No.
1, and that was part of our training 22 prior to, or part of the training for that job.
All for that.}@ }}[ 23 the shift test engineers went down 24 Q Your resume indicates that your position was a shift test engineer with Startup and Test Group 25 BENJAMIN REPORTING S ERVICE
1 Porter 8 2 for the startup and test for Unit 2. 3 A I'm sorry, that is wrong. That should be Unit 1. 4 Q Did you evaluate your training on the b 5 simulator at asw? 6 A I don't recall. We may have. It has been six 7 years. 8 Q You don't remember if you were asked to 9 give a written evaluation? 10 A no, 11 Q Or an oral evaluation of this simulator 12 training? 13 A no. 14 Q What is your opinion of the training that 15 you had on the B&W simulator? 16 A well, at the time I thought it was pretty good. 17 I don't know if I really have an opinion now. l 18 Q Do you remember if you were given specific l 19 assignments to act out on the simulator? l 20 A yes. 21 Q Do you remember if that simulator training .] 22 included multiple incidents? 1 23 A I don't recall that it did, no. ~ 24 Q Do you remember if it included small break L899 258 2s
- socA, BENJAMIN R EPO RTING SERVICE
1 Porter 9 2 A I don't think it did. I am fairly certain that 3 it didn't. 4 Q And your training there included certain (' 5 handout readings that were required? 6 A yes. 7 g oo you remember if you were given a grade 8 at the end of that simulator training? j 9 A I am sure we were. I don't reca?4. I am sure 10 some kind of grade was given, but 7 don't recall what 11 it would have been. 12 Q Who did you report to at Three Mile 13 Island prior to March 287 14 A George Kunder was my immediate supervisor. He 15 is the unit superintendent down in support. 16 Q could you tell me if you were on-site on 17 March 28th at 4:00 a.m.? 18 A No, I was not. 19 Q what time did you arrive? 20 A 6:30. 21 Q Did somebody call you and ask you to come 22 on-site? 1899 259 23 a ye - 24 Q who called you and asked you to come on-site? 25 A I am not sure, but I think it was scott wilkerson. BENJAMIN REPORTING SERVICE
4 1 Porter 10 2 Q What did he call and tell you? 3 A He said, "We had a reactor turbine trip with 4 complications," and I was to come to work immediately. ( 5 Q And did he explain what those complications 6 were? 7 A No. I think that was the total essence of the 8 conversation. 9 Q. You didn't ask him any questions? 10 A no, just told him I would be right there. l 11 Q And you arrived at the site about 6:30 i 12 in the morning? i 13 A Yes. 14 Q What happened when you got here? i i 15 A I went straight to the control room and saw f 16 George Kunder. 17 Q You went to TMI 18 A Unit 2 control room. 19 Q Unit 2 control room, and you reported to 20 Mr. Kunder? 21 A Yes. .C' i899 260 l 22 Q What did he ask you to do? l 23 A I don't know that he specifically asked me to 24 do anything. He explained that -- well, he said, ~ 25 "We.had a turbine,eactor trip, and there was some BENJAMIN REPORTING SERVICE
1 Porter 11 2 confusion over plant conditions," and as a result, 3 he said that pressure was 700 pounds or something 4 like that, temperature was off-scale, and I asked 5 him if the reactor coolant pumps were running, and 6 he said, "No." 7 Q Did he then ask you to do anything? 8 A I don't believe he specifically asked me to do l 9 anything. I went on about trying to verify the offscale 10 temperatures and pressures, et cetera. i I 11 Q How did you do that? 12 A I went to the reactor protection system cabinets, 13 which are in the control room, and they have indicators 14 in the instrument monitors, and I went to the various l 15 channels to try and verify that all channels indicated 16 the same conditions. 17 Q And what did you discover? 18 A They were. 19 Q They were what? 20 A All four channels indicated the pressure was 21 low and the temperature was high. . 3 22 Q Did you report that to anybody? 3899 261 i i 23 A I went back and told George, yes. 24 Q Did you go back and give him exact data 25 or just make a comment to him? BENJAMIN R EPO RTING S ERVICE
1 Porter 12 2 A Well, we had no temperature indication at that 3 time which could give any exact data, and the pressure 4 in the cabinet just verified what we had on the console . ( 5 and in the computer. It wasn't necessary to try to 6 give him an exact number. 7 Q Did you record exact numbers? 8 A No. g 9 0 what did he do with the information that 10 you gave him? l 11 A I am not sure he did anything with it, but I don't 12 think I told him -- I didn't tell him anything they 13 didn't know. I just verified it, more, I guess maybe, i 14 for my own information, and made sure that it was right. 15 Q And at that point, what did you do? i 16 A That was pretty close to the time that the site l 17 emergency was declared, so then we went into emergency 18 procedures. 19 Q what were your responsibilities in the 20 emergency procedures? i899.262 21 A Well, initially I got the procedure ou t and went k,' 22 with the fellows that did eventually start making the l 23 phone calls, and I assisted them in the communications 24 setup, and I also got involved in trying to get the 25 reactor ant pump started, which wasn't directly BENJAMIN REPORTING SERVICE
1 Porter 13 2 related to the emergency procedures. 3 Q Where would you have gotten the procedures 4 out? ( 5 A They are in a book in the desk in the control 6 room. 7 g Is there just one copy of those procedures 8 in that desk? g 9 A There is only one that I know of. 10 Q so that you were utilizing the one copy 11 that was available in the control room? l 12 A I guess, unless there are more. 13 Q You mentioned that you were initially i l 14 working with people who were making phone calls. i 15 a
- yes, i
i 16 Q Who were those people? I 17 A Ron Warren and Dick Bensel. 18 Q And to whom did you nake phone calls? 19 A The list is in the procedures. We called the 20 NRC.and the State AER and Radiation Management, 21 Mr. Herbein's office in Reading, I believe the State k~ 22 Police. I forget who all was on the list, but it is 23 listed in the procedures with the phone numbers. ~ 24 Q Did you make any kind of record of the 25 people you did contact? B ENJAMIN REPORTING ' S E RVICE
I Porter 14 2 A They did, yes. 3 Q Did you make any record of the people you l 4 contacted? 5 A Myself? ~, 6 Q Yes. 7 A I didn't make any phone callr myself. 8 0 Did you just oversee, to ensure that they e 9 were making phone calls? 10 A No, I wouldn't say that, no. It is just a 11 matter of deciding who actually made the phone calls. 12 I got the procedures in the control room, and we went 13 to the phone in the supervisor's office, and they made 14 the calls. 15 Q So you really got them the phone numbers 16 as listed in the emergency procedures and made sure 17 that they were sitting there making the phone calls? l 18 A Yes. I wouldn't say that I made sure they were. 19 They were doing it. I don't know that it was my 20 responsibility to make sure that they were doing it. 21 MR. YUSPEH: Did you have any supervisory 22 f responsibility for those people? 1899 264 23 THE WITNESS: No. 24 Q What was your role in interacting with those 25 two people? BENJAMIN REPORTING SERVICE
1 Porter 15 2 A I don't know that I recall that well right now. 3 I know we got the book out, the procedure, and the 4 phone numbers, and went in: and they started making [ 5 the phone calls. 6 o Were you given any specific responsibilities 7 pursuant to these emergency procedures? 8 A No. 9 Q You then turned your attention to the 10 reactor coolant pump? 11 A I tried to assist with getting -- that was the 12 time, about the time we were trying to get the reactor 13 coolant pumps started, and I believe I also w nt back 14 to the computer and other instrumentation, trying to 15 get a better idea of what was going on with the plant. 16 Q Were you working with anyone at that point? 17 A Not hand-to-hand, I guess. I was in the control 18 room. I 19 Q Did you relay any information from your l l 20 readings of the instrumentation and the computer to 21 anybody? 1899 265 22 A Not that I recall. 23 Q Did you learn any new information from 24 those readings? 25 A What time period are we addressing now? BENJAMIN R EPO RTIN G S ERVICE
I 1 Porter 16 2 A Well, t: sis is the initial time period after the 3 site emergency was declared. 4 A That was just before 7:00. It was sometime 5 not too long after that that I had an ohmmeter set 6 up on the reactor coolant loop RTE, trying to get an 7 accurate reading of the loop temperatures. O The loop has a temperature-sensitive indication, a 9 and while the console indication was off-scale, it 10 is possible to hook up directly to the detector and 11 read the temperature. 12 Q Did anybody instruct you to do this? 13 A no. I think I suggested I could do it, and I 14 did do it. 15 Q Who did you make that suggestion to? I 16 A I believe it was Mike Ross, but I am not sure l 17 just what the sequence was here. But I know I told i 18 him-- it was either Mike Ross or Bill Zooey--and told i 19 him I could get the loop temperature. i 20 l .Q Whoever you did say that to, did they agree ? 21 that that would be a good idea for you to do that? k,' 22 A I guess they didn't disagreer I don't know. 23 t o.] g g g } 6 6 I did it, so I guess I wasn't told not 24 Q What readings did you get from the ohm-25 meter? B ENJ O 'IN R EPO RTING SERVICE
1 Porter 17 2 A Well, what I have was that the actual resistance 3 was above the calibration curves that were provided 4 by the vendor, but I extrapolated to estimate 725 G 5 degrees at that time. I have later decided it was 6 more like 718. I believe that the reading was 243 ohms. 7 g How long did you continue to take these 8 readings? 9 A I am not sure that it isn't still on there. 10 We left it on all day. The feeling was, as the day 11 progressed, we would know when we had water up in the 12 loops to get the temperature. 13 g How long did yc sit and watch these 14 readings? 15 A I spent a good bit of time throughout the day 16 watching. Later in the morning, I also hooked up one 17 over on -- the one I hooked up first was on the 18 "A" loop temperature sensor. I then hooked up one on i 19 the "B" loop sensor later in the morning. I am not sure 20 what time in the morning. 21 o was that at Mike noss or Bill Zooey's 22 request? 23 A No. I think I did that on my own. 1899 267 24 g Did you report these meetings to anybody? 25 A I reported them to Mike, whoever was at the BENJAMIN REPORTING SERVICE
1 Porter 18 2 console. Very frequently I spent quite a bit of time 3 walking back and forth between them, trying to find 4 out if they had any signs of moving water in the loop. G 5 Q Did you make a record of those readings? 6 A no. 7 Q Do you know,when you would contact Mike 8 Ross or whoever was at the console that you were B 9 reporting these readings to, did they comment to you 10 at all? 11 A I don't recall any sp cific comments. I looked 12 at them frequently, and I would advise them if there 13 had been any change and if they were doing something 14 with the plant they hoped would cause a change, they I 15 asked me to go monitor the dbp 's or the ohmmeter. 16 Q So there were times they were asking you 17 to go check the reading and report back? 18 A Yes. 19 Q You don't remembe r specific comments 20 at any time when you had reported back? f 21 A I don't recall what they were. We had conver-22 sations consistently, but I don't recall any specifics. 23 Q Do you know what they did with the informa-94 tion that you provided them? 1899 268 25 A I guess I don't. For~a good share of the day, BENJAMIN REPORTING SERVICE
1 Porter 19 2 the information didn't change. We had the same reading j 3 on that dbp for hours and hours from the time we put 4 it on until we eventually did get water up in the loop. 5 Whatever the rsports say, we didn't get much of a ~ 6 change until not too long before we did get the pumps 7 started. 8 Q And what would the reading have been 9 initially, do you remember? 10 A Initially? Il Q Right. 12 A That was the 700-some odd degrees, the 720 or 13 the 725, whatever it was. 14 Q And it rentined at that temperature for
- 3 15 how long?
16 A Well, I don't recall specifically. It is in any one of a number of writeups. It was late in the l 17 18 afternoon or early evening before we got the pumps 19 started. I do believe the one loop came down for a 20 while sometime during the day. 21 Q Would that have been the A loop or the 22 a loop 7 23 A The A loop, I believe. 24 Q And the B loop remained relativ on t 25 during that period? BENJAMIN R EPO RTIN G S ERVICE
1 Porter 20 2 A
- yes, 3
Q what othar responsibilities did you have? 4 A Well, I went anc took some of the thermocouple 5 readings that everybo3y in the country seems to know 6 about now, at some time around eight o' clock, I believe. 7 Q 8:00 a.m.? 8 A Yes. The question came up over the thermocouples 9 which are part of the core assemblies in the core and 10 trying to read them on the computer, a significant 11 number of them indicated th e;- were above the calibrated l 12 span on the computer. So Gary Miller asked me if wo 13 could read them somewhere else. I told him I thought 14 we could probably read them down at the back of the 15 compye,. tes,1f, 16 sc I got the instrumentation, the maintenance 17 foreman and a couple of technicians, and went to the 18 j computer to take some thermocouple readings, f 19 Q where would this physically be? 20 A It is in the room immediately below the control k-. 21 room, what they call a cable room. 22 Q And Gary Miller asked you to down there and 23 take the readings? 94 A Yes. 25 Q what did you find? BENJAMIN R EPO RTING SERVICE
1 Porter 21 2 l A well, I went down -- we went down first and 3 located where the readings were to be taken. I believe 4 I went back to the control room and then returned down (7 there later when they had some hooked up because, as 6 I recall, they had four thermocouples hooked up to a 7 digital display unit, and we had -- I didn't write 8 these down -- we had, I believe, two readings somewhere 9 above 2300 degrees and two more somewhere above 200 l 10 degrees. 11 Q Was a record made of these readings? 12 A Well, what happened was I went back and told 13 Gary that we had essentially -- I told him those num-14 bers, and we had readings I knew were impossible, being 15 the 200-degree readings. I didn't know what we could 16 really make of any of the readings we had. Now this is where I get in trouble, I guess, but 18 the technicians wrote down a complete set of writings, 19 not with the thcrmocouple readouts, just wrote the 20 voltages down in the computer book, and I was appar-21 (~ ' ently -- if they told me, I forgot about it, but they 22 left the control room when the plant was evacuated at 23 whatever time it was, nine or ten o' clock, and I wasn't 24 aware of the complete set of readings being taken until 25 it was May 7 and they found out it was in the computer B ENJAMIN REPORTING SERVICE f 1899 27i
1 Porter 22 i 2 book in the control room, or if I knew it, I forgot it. 3 somebody, you know, if a fellow told me, he told me they were there as he went out the door. I wouldn't 4 c' 5 doubt that he did, but I forgot about it. ~ 6 Q Who were the technicians, the people that 7 you had left to take these readings? 8 A Skip Bennett was the foreman; Jim Wright and 9 Roy Yaeger. 10 Q And why at the time the plant was evacuated 11 were they asked to leave? 12 A I don't know that they were specifically asked 13 to leave. The instructions were that non-essential 14 people were to leave the plant, leave Unit 2. 15 Q And who would have made the determination 16 that they were non-essential? 17 A Probably they were, if they weren't doing anything i 18 at the time. They were available to called back if 19 they were needed, but if they weren't doing anything i l 20 at the time, I would expect that they would have left. 21 Q And they would not have been making these 22 recordings? 23 A No. After seeing the initial data, I didn't 24 place great emphasis on the value of the data, so I 25 believe. they asked me if it was okay to use just the. 1899 272 BENJAMIN REPORTING SERVICE
1 Porter 23 l 2 voltage readings rather than taking direct readings. 3 In order to take the readings with the direct display, 4 you have to physically unhook each set of wires and 5 hook it back up hgain, while, taking voltage readings, 6 they could just take the readings on the terminal 7 without unhooking the wires. 8 Q could you explain what the difference is 9 between taking voltage readings and direct readings? 10 A well, the direct reading, which I referred to, thermocouple 11 we have a thermocouple display unit 12 puts out a voltage relative to the temperatures on the 13 thermocouple itself. In order to use the direct display, 14 you have to physically unhook the wires from the computer 15 and hook.them up to the terminations on the instruments, 16 while with the voltmeter, you can just read the voltage 17 the computer is reading. 10 Q And why did' you not think, after the f 19 initial readings, of the information that it was giving 20 you was reliable? A Because I saw 200 degrees on the thermocouple, 21 22 and I knew the temperature was over 700 degrees in 23 the hot leg, the RTE I discussed earlier, which was 24 indicating over 700 degrees. 25 Q How did you know which instrument to BENJAMIN R EPO RTING SERVICE 1899 273
t 1 Porter 24 l 2 rely on? 3 A we had lots of instruments telling us the plant 4 was above 620 or 700 degrees. The top of the scales for 'C 5 the loop instruments is 620 degrees, and they were off-l 6 scale. The RTE I had, the ohmmeter was indicating it 7 was over 700 degrees. There are other RTEs on the 8 recorder in the control room indicating it was 700 9 degrees, and I was relatively sure that the 200-degree 10 readings were just not realistic. II Q And the voltage readings that were taken, 12 they were taken over what period of time? 13 A As best, in talking to the fellows who took the 14 data and stuff, I believe that they were taken between 15 8:00 an d 9 : 0 0 in..th e morning, which was the morning, 16 which was the period of time they were there. 17 Q Do you know how many readings were taken 18 during that period of time? 19 A 51. 20 Q And these were recorded; however, you 21 did not remember at the time that they told you they 22 were recording them; is that correct? 23 A I am not clear in my mind on that. I tried to 24 remember. I seem to rumember the technician asked.me 25 if it was necessary to go through unhooking each one BENJAMIN R EPO RTING SERVICE
i 1 Porter 25 1 2 and hooking.it up to get a reading, and I saw obvious I don't remember -- and 3 disparity between the data 4 I couldn't see where getting it that precise was 5 necessary, and told him the voltage readings were okay. ~' 6 Q Did you ask him to make a recording of 7 the data? 8 A I don't think I asked him specifically. I think 9 it was obviously intended to do anything else I needed 10 them to do at the time. 11 Q Do you know if they told anybody else in 12 the control room at tha., time that they were making these i 13 recordings? 14 A No, I don't think they did because I was acting 15 between them and Mr. Miller. 16 Q What other responsibilities did you have 17 that morning? 18 A I don't recall spe ci f.'.cally. It was just trying 19 to hip out wherever I could with whatever there was 20 to do. I spent quite a bit of time trying to get data 21 out of the computer and assisting the fellows operating L 22 the plant, whatever I could do for them. But I don't 23 recall much in the way of specifics now. 24 Q Was the computer working that morning? 25 A There were periods of time when we experienced SERVidp 99275 BENJAMIN REPORTING
26 1 Porter I 2 trouble wi?h the alarm typewriter. I believe ulti-3 mately some of the alarm data was lost due to the t 4 difficulties with it, but I believe it functioned 5 okay the rest of the day, after about eight o' clock 6 in the morning or something like that. 7 Q What typ9 of lag time is there on the
- 8 computer?
9 A I am not sure exactly what the time is. Somebody 10 in one of the reports has a plot made of how f ar behind 11 the alarms were, but it is significant it was something 12 like a plant trip or a lot of alarms coming in. They 13 very soon are quite a bit behind. 14 Q Do you know what lag time there was on 15 March 287 f 16 A Not physically. It was probably more than an 17 hour. 18 Q Do you know if there were any concerns 19 prior to March 28 with the computer that was installed 20 in Unit 27 21 A There were concerns. There was a capital budget L 22 project to make the plant computer improvement, similar 23 to what was being done on Unit 1. I am not too ~ 24 familiar with the specifics. That would be under 18 95 ate 7.,6 antici yes. 25 the computer Group. But we had changes 2 BENJAMIN REPORTING SERVICE
I Porter 27 2 Q Where were attempts to make changes on 3 Unit 17 4 A There have been changes -- there has been a ~ 5 considerable computer change in Unit 1 since the i 6 initial operation of the plant, with a computer rather 7 similar to Unit' 2. 8 0 Unit 1 had a computer that was similar to 9 Unit 2's? 10 A Initially, yes. f 11 Q And there were changes made subsequent to 1 l - 12 the going commercial of Unit 17 13 A
- yes, 14 Q
Who would be responsibic for the changes 15 in the computer in Unit 27 16 A That could be a number of people, Wayne Harris, 17 I guess, would be the supervisor. j 18 Q And what position does Wayne Harris hold? 19 A He is the supervisor of the Computer Group. I 20 Q There is a specific group that is in charge 21 of the computer? / 22 3
- yes, 23 Q
Did you personally have any concerns prior to March 28 concerning the computer in Unit 27 24 A Well, I wouldn't say it disturbed me greatly in 25 BENJAMIN REPORTING S ERVICE 1899 277
28 1 Porter 2 any way, no. It was obvious that the changes they 3 made in Unit 1 to increase the transient monitoring 4 capabilities and stuff were all desirable. I guess 5 I didn't feel that it was unsafe or anything to that i I 6 extent. It just wasn't nearly as handy as it could 7 be, I know. l 8 Q Prior to March 28, you did not raise the 9 desire to change the computer in Unit 2 as had been 10 done in Unit 17 11 A I didn't personally, no. 12 Q would that be within your responsibilities? 13 A I wouldn't think so, no. I didn't feel that it was. It was anticipated anyway that the computer change 14 15 anticipated before I went to work for Met Ed, as was 16 far as that goes. 17 0 When you say prior to going to work for 18 Met Ed, do you mean in June of 1978, or when you were 19 also with GPU? 20 A I was still with GPU when they were laying '3 groundwork for the computer changes. 21 ,k 22 Q What time period would that have been? i A I don' t know specifically. Based on the changes 23 24 that they made in Unit 1, it was an acknowledged fact 25 that they would be making similar changes in Unit 2 as 1899 278 B ENJAMIN REPORTING SERVICE
28 1 Porter 2 any way, no. It was obvious that the changes they 3 made in Unit 1 to increase the transient monitoring i 4 capabilities and stuff were all desirable. I guess 5 I didn't feel that it was unsafe or anything to that I i 6 extent. It just wasn't nearly as handy as it could 7 be, I know. I 8 Q Prior to March 28, you did not raise the 9 desire to change the computer in Unit 2 as had been 10 done in Unit 17 11 A I didn't personally, no. 12 Q Would that be within your responsibilities? 13 A I wouldn't think so, no. I didn't feel that it was. It was anticipated anyway that the computer change 14 15 anticipated before I went to work for Met Ed, as was 16 far as that goes. Q when you say prior to going to work for 17 18 Met Ed, do you mean in June of 1978, or when you were 19 also with GPU? 20 A I was still with GPU when they were laying l i 21 groundwork for the computer changes. !,Y:; 22 Q what time period would that have been? I A I don't know specifically. Based on the changes 23 that they made in Unit 1, it was an acknowicaged fact 24 25 that they would be making similar changes in -Unit 2 as 1899 279 BENJAMIN REPORTING SERVICE
1 Porter 29 2 time and budget permit. 3 Q Do you know when the changes were made in j 4 Unit 17 5 A no. l ~ - - 6 Q within the last year? l 7 A N, it is older than that. It is still in l 8 progress. It is a process of updating the computer, 9 I guess. t 10 Q Do you who initially picked this computer 11 design for Unit 27 12 A It is a B&w computer. I believe it is offered 13 as part of the package for the NSS system. 14 Q Do you know who at Met Ed would have 15 approved purchasing such a design? 16 A No, I would have no idea. 17 Q You had no input into that? 18 3 no, j t 19 Q can you tell me if you are familiar with an incident at Davis-Besse 1 plant that occurred on 20 9 21 September 24, 19777 22 A I am more familiar with it now. 23 Q were you familiar with it prior to March 287 24 A Not that I recall, no. 25 Q could you tell me when you became familiar B ENJAMIN REPORTING SERVICE! 8 9 9 80
1 Porter 30 2 with it? 3 A I am not sure,but Ithink it was when I was 4 listening to the President's Commis.lon's questioning 5 of Mr. Herbein in washington, but that may not be the 6 first time. I believe it was, though. 7 M S'. GOLDFRANK: I would like to mark as O Exhibit 2 a United States Nuclear Regulatory 9 commission " Current Events 'Concerning Power 10 Reactors." 11 (Above-described document was marked 12 Porter Deposition Exhibit 2 for identification, 13 this datu.) 14 Q Could you look at what we have marked as 15 Exhibit 2, please. Have you ever seen this document f 16 before? 17 A I don't specifically recall seeing it. I may 1 18 have. 19 Q would you be in receipt of these types of 20 newsletters from the NRC? 21 A We do see some of this type of thing, yes. ,! (( 22 Q who vould you receive them from? Would 23 you receive them directly from the NRC? n4 A well, the plant would, yes. Then the distri-25 bution would be made by the superintendent to whomever BENJAMIN REPORTING SERVICE }}}
1 Porter 31 2 he thinks should read them. 3 Q So the superintendent of the plant 4 would receive these and distribute them to whom he 5 thinks should read that particular issue? 6 A The superintendent or the technical superintendent, l 7 yes, based on everything going to the superintendent. l 8 Q Do you remember seeing this particular one? 9 .A I do not specifically, no. 10 Q You would not receive every newsletter 11 like that that would come from the NRC? 12 A I don't believe " Current Events," no. 13 Something like a n', LE R, or something which requires 14 a specific response, you would, yes. 15 Q were you aware of any unit 2 control room 16 operator that knew of the September 24, 1977 incident 17 at Davis-Besse 1 prior to March 28th? 18 A I -am not specifically aware of it, no. 19 Q '@en you were in the control room from 20 about 8:30 on, on March 28th, did you feel that the 21 atmosphere was one of calm? 22 A I feel relatively so, yes. 23 Q Was there any uncertainty as to who was ~ 24 in control? 25 ]ggg pg} A I don't think so, no. BENJAMIN REPORTING S ERVICE
1 Porter 32 2 Q Initially when you arrived there, Mr. Kunder 3 was in control? 4 A I felt he was, but that is just I talked 5 to George, so I guess I didn't ask or try to figure 6 out who was in control. 7 Q who else was in the control room when l 8 you initially arrived? 9 A I don't recall, I'm sorry. I just don't 10 remember. 11 Q Do you remember why Mr. Kunder was the 12 one that you went and talked to? 13 A He is the man I work for. He is the one I saw 14 when I got there. 15
- 4 Q
How long or until what point in time did 16 he remain in control? 17 A I didn't say he was in control. 9 IO Q You thought he was in control, correct? 19 A well, I don't know at that time -- I mean I i 20 certainly didn't realize what we were into. I didn't 21 l know there was any need to clearly delineate who was j 22 in charge. I don't make a habit of running around 23
- shouting, "I am in charge."
I went in and saw George 24 and started looking into the problems, and I don't 25 know that -- I don't think I had any thought one way. 1899 283 B ENJAMIN R EPO RTIN G S ERVICE
1 Porter 33 2 or the other as to who was in charge. I just can't 3 recall now. 4 Q Once a site emergency was declared, was it { 5 clear who w An' control? 6 A I guess I would have trouble specifying who I 7 thought was in control..When Mr. Miller got there, 8 there was no doubt then, but I don't recall.if some-9 body shouted he was in charge. That may well have i 10 happened. That is standard, but I may not have even 11 been in the control room at the time. There were 12 several things going on. 13 Q At what point did Gary Miller arrive in 14 the control room? 15 A I believe it was shortly after 7:00. 16 Q Which would have been when a site emergency 17 had already been declared? 18 3
- yes, 19 Q
Irad a general emergency been declared? 20 A No. It was between the two. I 21 Q Was it clear when the NRC arrived in the 22 c.o n t ro l room that Gary Miller was still in control? l 23 3
- yes, 24 Q
Did you have any contact with the people 25 from NRC? BENJAMIN REPORTING S ERVICE
1 Porter 34 2 A I had a lot of contact with people from the NRC, 3 but specifically on March 28th, I am not sure. Now I 4 have had continuous requests for readings from both 5 B&W and NRC and*our own people, and gathering data 6 and relaying it and stuff like that. 7 Q What requests from the NRC did you have 8 with respect to that? I 9 A I'm sorry, I just can't recall specifics. They 10 would ask people within the plant or on the plant staff 11 if we would know where to find it, but I don't recall 12 specifically. 13 Q Do you remember who from the NRC 14 A No. It is extremely difficult now to even 15 remember.it was March 28th, 29th, 30th, or April 5. 16 Q Who from B&W did you have contact with? 17 A Lee Rogers was in the control room. 18 Q And what kind of information was he i 19 requesting? 20 A Just general plant data. I don't recall spe-j l 21 cifics now. I know that he was there when we discussed k.' 22 thermocouples and loop temperatures. I don'.t know. It 23 was just a continuous process for that day and 6.ys 24 there following. }ggg }}} 25 Q Do you remember any specific comment that B ENJAMIN R EPO RTING SERVICE
1 Porter 35 2 Lee Rogers had with respect to the information you 3 were giving him? 4 A NO. 5 Q Prior to March 28th, what contact did 6 you have with the NRC? 7 A well, you usually talk to them almost time 8 they are in for inspection on any specific item that l s 9 they want to discuss. { 10 Q would you contact them other than when 6 i 11 they ca.e on-site for inspections? 12 A I wouldn't, no. I 13 Q With regard to inspections, would they 14 all be anr.ounced inspections? 15 A I don't even know. They wouldn't be announced 16 to me. They are very frequently there when I didn't 17 know they were coming, but whether or not they were 18 announced to the superintendent or technical super-l 19 intendent, I don't know. I believe sometimes they were 20 and sometimes they weren't. In fact, I am quite sure 21 of that. 22 Q But you would never be told in advance }899 20b 23 when they were coming? 24 A If we had a specific item that had been brought 25 up before, I might be told that they would be in Friday B ENJAMIN REPORTING SERVICE
1 Porter 36 2 and would like to discuss it at that time or something, j 3 but they wouldn't, you know, just say that the NRC 4' inspector was coming or something like that. 5 g so that your superior would only mention t -~- 6 to you that the NRC inspector was coming if he wanted I 7 to discuss a specific item? 8 A I would say that would be generally true, yes. 9 Q Do you remember any specific instances of i 10 what specific items the NRC would want to discuss? 11 A No. That is really quite general, 12 Q Do you remember generally the kind of l 13 things that they would want to discr;s? 14 A Well, it would be responsive to LERs or questions 15 o r any plant operating conditions that they had asked 16 questions about and that hadn't been closed out yet, 17 things of that type. i 18 Q And would these be NRC inspectors from l 19 King of Prussia or Bethesda? 20 A It would be King of Prussia. 21 i _b. Q Do you have any contact with people from t 22 Burns & Roe? l093 b 23 x
- yes, 24 Q
Who at Burns & Roe do you have contact with? 25 A I guess anybody that was cognizant of the problem BENJAMIN REPORTING SERVICE
1 Porter 37 2 or a question I might be working on. I talked to a 3 great many people. 4 Q Are th e r,e personnel from Burns & Roe 5 on-site? 6 A I believe there was only one, at least still here 7 on March 28th. 8 Q Who was that? 9 A Richard Brownell. He may have had a couple 10 more people with him, but I am not sure. But their 11 on-site force was pretty much dissipated by that time. 12 Q So that when you contacted people from 13 Burns & Roe, would you contact them in New Jersey? 14 A We are still before March 28, right? 15 q y,3, 16 A Yes, generally, yes. 17 Q And what issues would you contact them 10 concerning? 19 A Well, any design question, really. We had 20 several modifications that were scheduled for the 21 Unit 1 refueling. We were still in continuous contact 92 gg ]gg on those items. 23 Prior to that time, particularly during startup, 24 any questions you had on design information or informa-25 tion they might have which wasn't readily e.ailable BENJAMIN REPORTING S ERVICE
I Porter 38 2 on-site. 3 Q After TMI 2 went commercial on December 30, 4 1978, did you continue to have contact with Burns & Roe? 5 A yes. 6 Q And do you remember what specific design 7 questions came up at that point? 8 A No, not specific questions. 9 Q would you have contact with Burns & Roe i 10 orally? 11 A what do you mean? 12 Q As opposed to writing a memorandum? I 13 A ch, yes, generally. I don't think I ever wrote 14 then a letter, personally. 15 g would you keep notes of your conversations? 16 A I may have on occasion, yes. I don't fill out 17 telephone conversation forms every time I talk to 18 somebody, or very, very rarely, as far as that goes. f, 19 If I am working on a specific project and I call some-20 body, I might make notes of what we discussed, but I 21 don't use telephone message forms or something of that [ s 22
- type, 23 Q
Do you know if you have retained those l099 2bh 24 notes? 25 A No, I don't know. I may have some over there, BENJAMIN REPORTING SERVICE
I Porter 39 2 yes. I don't know. 3 MS. GOLDFRANK I would like to request, 4 if his notes of Mr. Porter's conversations 5 with Burns & Roe have been retained by him, that ~ 6 they be produced. 7 Q You mentioned that you would have contact 8 with W Jns & Roe concerning design information with 9 respt-Ji :o Unit 1's refueling. I believe that is what 10 you testi ied to earlier. That is not correct, you 11 did not have contact with Burns & Roe concerning 12 design information with respect to Unit 1 refueling? 13 A Burns & Roe is not involved with Unit 1 refueling 14 at all. 15 Q correct, Burns & Roe did not design the 16 Unit 17 17 A Right. I am sorry. I misunderstood your 18 question. 19 Q So it is not correct to say that you raised i 20 issues with respect to Unit 1's refueling with Burns 21 g goe7 . 0' > 22 899 290 A I have not. 23 Q The only contact that you would have ~ 24 with Burns & Roe would concern the design of Unit 27 25 A Yes. I am a little hesitant to keep using B ENJAMIN R EPD FsTING SERVICE
1 " Porter 40 2 " design," but they are the designers: I guess that's 3 all right. It's just specific questions that come up. 4 Q What word would you rather use? (' 5 A I don't know'if I have one. That's all right, 6 I guess. 7 Q Did you have any input into the design 8 of Unit 27 9 A Well, " design" covers a wealth of territory for 10 a project this big. I did have input, yes. I saw, 11 when I was in startup procedures, designs that come 12 out. sometimes it was just a plain mistake, and you l 13 would bring it up, sometimes you would have questions 14 as to the best way to do things, et cetera, yes. 15 Q To whom did you deliver your input? Was 16 it directly to Burns & Roe? 17 3
- yes, 18 Q
Who at Burns & Roe, do you remember, that I 19 you would have provided such information to? 20 A That could go two ways. It could either be 21 Dr. Bennett on one of the startup field questionnaire-l ,, s (. 22 type and routine question and answer process used in 23 contruction, or it might have just by phone calls, or 24 it might have been through the cognizant GPU engineer 25 who might have been working on the project. }hh3 29} B ENJ AMIN R EPO RTING SERVICE
[ l Porter 41 2 Q Do you remember what specific design 3 questions you raised? 4 A No.
- (~
5 Q As you indi.uted, the design of unit 2 ^~ 6 is a big project. Do you remember specific areas i 7 that you concentrated on? 8 A Well, it was electrical instrumentation. That 9 would be the area that I was working in, yes. I 10 Q Did you have any input into the design of 11 the control room? 12 A If you mean things like layout of the control l 13 room, things like that, no. The stuff that I would 14 be involved in'would tend to be more specific, actual 15 use of contacts in a circuit or wiring, something of 16 that type, not the concept of where things were 17 placed, what type of instruments and things like t l 18 that, no. l 19 Q You hac. no input into the kind of instru-l 20 ment that was used? i899 292 l 21 A I don't recall that I did. I wouldn't say it ( 22 was complete exclusion, but I don't recall that I 23 did, no. Those selections were really Burns & Roe 24 and B&W design and accepted through the GPU approval 25 process and things like that by the startup group, BENJAMIN REPORTING. S ERVICE
I Porter 42 2 Q Any questions raised by the startup group 3 on-site would have been documented on a form and sent 4 to Burns & Roe directly or to Burns & Roe through GPU? 5 A Well, startup had documents, had forms, yes, 6 that would be distributed to whomever was cogizant 7 of the question. Might not only be Burns & Roe; it 8 could be B&W, whatever, but we did have a form for the 9 purpose. 10 MS. GOLDFRANK: I would like to request 11 that we be provided with the startup forms. 12 MR. YUSPEH: Could we have Mr. Porter 13 describe a little more which forms these are? 14 THE WITNESS: I guess it is field ques-15 tionnaires and problem reports. 16 MR. YUSPEH: Who were they completed Fy? i l 17 THE WITNESS: Burns & Roe or the startup 18 group, GPU Startup Group. 19 MR. YUSPEH: So they were comple'ed by t 20 GPU or Met Ed employees for Burns a Roe to )b99 21 respond to? I h. l 22 THE WITNESS: Basically, yes. That
- 3. s 23 several file drawers full of pieces of paper.
24 MR. YUSPEH: Where would they be located? 25 THE WITNESS: over here in the trailer. BENJAMIN R EPO RTIN G SERVICE
1 Porter 43 2 MR. YUSPEH: Do you want the full collection? 3 MS. GOLDFRANK: Yes. 4 Q Were you in the control room on March 28th 5 when it was discovered that the PORV was open? ~ 6 A No. The valve was shut just before I got there, i 7 apparently, sometime between 6:00 and 6:20, I believe. i 8 Q Were you in the control room when it was 9 discovered that the emergency feedwater valves No. 12 l 10 were closeda 11 A No. I believe that was only eight minutes into 12 the accident. l 13 Q Prior to March 28th, did you have contact 14 with people in GPU while employed at Metropolitan 15 Edison? 16 x
- yes, 17 Q
who would you have contact with? 18 A Well, the remains of the Startup and Test Group 19 that I worked for was still here, and I guess any one of a number of engineers that participated. 20 21 Q You would have direct contact with engineers 22 in New Jersey? 23 3 m, ~ Q And for what reason would you have contact ~ 24 25 with them? B ENJ AMIN REPORTING SERVICE
1 Porter 44 i 2 A I guess just any number of reasons in doing 3 your business. 4 Q So if you had specific engineering ques- ,( 5 tions, you would utilize the engineer personnel at GPU? I ~~ 6 A we would, yes. 7 Q would you initially utilize the engineering 8 pe op le at Metropolitan Edison in Reading? i 9 A Depending on the nature of the question, we I 10 could use either one, yes. 11 Q Could you distinguish on what kinds of 12 questions you would go to GPU? 13 A well, at that stage in the plant, I guess 14 generally it would be either -- anything that was 15 held over that they ni.ght have been cognizant of, or 16 else a project that was of a larger nature, I believe 17 somewhere in the company they had a dollar figure 18 where they would use GPU engineers, then Burns & Roe, 19 rather than a Met Ed engineer. I don't know the 20 number, but the smaller changes in items we were i 21 trying to resolve through Met Ed Engineering and k, 22 Licensing response to questions and stuff, we would use Met Ed, and larger projects, things that were 23 24 sti.1 ongoing from before, we would go to G]u99 295 25 Q Who at GPU would you work with? BENJAMIN REPORTING, SERVICE
1 Porter 45 1 2 A It really could have been almost anybody. 3 Q Do you:< remember specific names? 4 A Bob Cutler, Dick Chisolm, Joe Torcivia, Rick 5 Lentz, Gary Broughton, any number of people. 6 Q would all these people be in the 7 Engineering Department for GPU7 8 A Yes. 9 Q Do you remember if on March 28 you had 10 any contact with any state agencies? 11 A I don't believe I did personally, no. Q Do you know if any information you were 12 13 giving to Mr. Kunder or Gary Miller was being relayed 14 to anybody else? 15 A I don't know specifically, no. 16 Q When they provided information to other 17 people, either Gary Miller or Mr. Kunder-on March 28, you were not specifically aware that information would 18 19 be relayed to anybody else? 20 A No. I guess not. I am not sure what the gist 2I of the question is. k] 22 Q The question is that on March 28, when 23 information to Mr. Gary Miller or to Mr. Kunder, you gave did you know that they would, in turn, provide that 24 25 information to anybody else? 1899 296-BENJAMIN REPORTING SERVICE
1 1 Porter 46 I 2 A I don't know that that came up in my mind. I guess they could do with it as they pleased. If 3 4 somebody had asked them and they asked me to get it b 5 for them, I assumed they passed it on to somebody else. ~ 6 Q Prior to the technicians that were taking 7 the readings from the thermocouples -- prior to them 8 leaving when the plant was evacuated, did you ask them 9 as to what the results were? 10 A I think I did, but I don't recall for sure. 11 Q Did they indicate to you that they were 12 leaving? A I don't recall that, unfortunately, either. I 13 14 think what specifically occurred was Doug Weaver, who 15 was the lead foreman, indicated that he was going to 16 send his people out, and then get them back if we 17 needed them, and nobody objected to that, and I don't 18 know. Q You don't remember at that point specifically 19 being aware that these people were leaving? 20 21 A No. i(( Q At that point that they left, did you become 22 23 aware that they had gone? 1899 297 ,,4 A No. U Q Did you think that the readings that you BENJAMIN REPORTING S ERVICE
I Porter 47 i 2 were receiving from these people were specific enough 3 that you should, yourself, go back and check on those 4 readings? 5 A I guess I didn't. I didn't take any more I ~~ 6 thermocouple readings that I recall until March 29 7 and March 30 and March 31, and then thereafter, 8 Q On March 29, who instructed you to take i 9 those readings? 10 A Well, by March 29, I was being requested by 11 NRC and B&W almost hour on the hour, for thermo-12 couple readings of some type or another. 13 Q Do you remember who at the NRC asked 14 that of you? 15 A Not by name, no. 16 Q Do you remember who at B&W7 17 A Well, I know Stan Maingi did. There were others 18 also. 19 Q And at that point you took hourly readings? 20 A Well, no, it wasn't that specified. That was 21 just -- it was very frequent. 22 Q And was it explained to you at that point the significance of taking those readings? 1899 293 23 24 A There was concern that'we had some thermocouples 25 that were indicating higher temperatures that either B ENJ AMIN REPORTING S ERVICE
1 Porter 48 2 the loop water temperaturec were or other thermocouples 3 that were indicating similar temperatures.to the loop 4 water temperatures, and I believe the concern was that 5 it was indicating hot spots in the core. As a matter 6 of fact, I am sure that was one of the concerns. 7 Q And at that point, did you indicate to O B&W or to the NRC that you had taken readings on 9 the morning of March 28? 10 A I did discuss many times that the readings I 11 saw on March 28 were very erratic or whatever, and I 12 didn't how much reliability we could place on any 13 readings we could get from the thermocouples. 14 Q And what was the response from the NRC 15 to your concern? 16 A Just to keep coming back and asking again. II Q And what was the response from B&W7 IO A I guess it was similar. To my recollection, l i l 19 B&W were placing less faith in the thermocouple readings 20 or less interest than the NRC was. 21 Q Do you know why? { .J 2 3 30, l 23 Q They never articulated their concerns 24 with placing faith in those readings? 25 A I am not sure if it was faith in the readings or BENJAMIN REPORTING S ERVICE
1 Porter 49 I 2 what the readings meant. It is just my recollection 3 that the NRC was more interested than B&W was in the 4 thermocouples themselves. C 5 .Q Do you know when the readings that were 6 taken on March 28th that were recorded, when you 7 discovered those? 8 A May 7. 9 Q How were these discovered on May 77 i 10 A I was talking with the people in the instrument 11 shop and asked that if any -- well, I had been requested 12 by several people for any readings or whatever that I i 13 had ever written down on any temperature readings at I 14 any time, any place. So in talking to the instrument 15 shop people, I just asked that if anybody did write 16 any readings down that day, that I would like to get 17 them because a lot of people were interested in them, 18 and I was told that they were in the computer book, 19 and if I had realired it, I had forgotten it. 20 Q Do you know who told you they were in 21 the computer book? (( 22 A Skip Bennett. 23 Q At that. time did you ask him if he had 9 24 told you prior to May 77 1899 300 25 A No. BENJAMIN R EPO RTING S ERVICE
I Porter 50 2 Q Did he indicate to you at that time that 3 he had told you on March 28th that he had made those 4 recordings? l 5 A No. I didn't, and I guess I still don't 6 consider it important. 7 Q You indicated earlier that these tempera-8 ture readings indicated that there were hot spots i 9 in the core, correct? 10 A some people thought there were hot spots in the 11 core. I was not sure that it wasn't due to broken 12 j thermocouples. In fact, there are faulty thermo-13 couples out there, and there were faulty thermocouples 14 there that day-also. 15 Q If it did indicate that there were hot 16 spots in the core, what does that mean? '[ 17 A I guess it would be of some help to people trying i 18 to assess what the damage might have been to the core. 19 j I am not sure that I would be smart enough to or would l 20 have been the right person to make that evaluation. 21 It was questions on the condition of the core. 22 (continued on Page 51.) 23 ~~ 24 1899 301 23 BENJAMIN REPORTING SERVICE
1 Porter 51 SR 6 ". c 2 Q Did you think that that information would 3 have been helpful in evaluating the transient or the 4 results of the transient on March 287 I 5 A Which info'rmation? 6 Q The information concerning the readings from 7 the thermocouples. 8 A The ones that were taken on March 287 9 g
- yes, 10 A
I did not at that time, no. Now it is obvious 11 they probably were. 12 Q At that time, what was the basis of your i 13 conclusion? 14 A Well, there has been a lot of attention given 15 in the national news media that the thermocouples 16 read over 2000 degrees. There were over 20 of them 17 that read less than that. I saw readings scattered 18 all over the place. To me, I didn't know what it 19 meant. 20 Q And did you consult with anybody concerning 21 conclusion? 1899 302 your 22 A Well, after considerable discussion with people i 23 the following days, I called the thermocouple experts, 24 who they told me it was, anyway, at Leeds Northrup and 25 discussed what I felt the problems could be and tried BENJAMIN REPORTING SERVICE
I SR T. 6 Porter 52 P.2/LW 2 to get the best evaluation. The problem I had is I was 3 being continuously requested to tell them whether they 4 were good or not, and I couldn't tell them they weren't 5 good. They kept' telling me to tell them whether they 6 were good or not. 7 I did make several measurements on the O thermocouples to try to determine the junctions. The 9 thermocouple junctions weren't what they were when 10 they put them in the plant, 11 Q Did you consult with anyone then? A March 28, no. In fact, I'm not sure what day it 13 was. It was one of the two or three days immediately following the accident. 15 Q You indicated that you knew that some of 16 the thermocouples in Unit 2 were faulty. 17 A Not prior to the accident. 18 Q You did not know that for a fact prior to 19 the accident? 90 A As far as I know, none of them were faulty prior i 21 to the accident. l ( (, ) 99 ~~ Q You indi-ated earlier that you had informed 23 Gary Miller that you were taking these readings, is that 1899 303 correct? 25 A Ile requested me to take the readings. B ENJ AMIN REPORTING S ERVICE
1 Porter 53 2 Q And he asked you what the results of those 3 readings were? 4 A I went back and told him that we had readings l 5 anywhere from 200 to 2300 degrees, and I didn't know ~ I 6 what that meant. 7 MR. YUSPEH: What is the relevance of the i i 8 700 degree temperature that you mentioned earlier? 6 9 THE ETNESS: Well, the 700 degrees was the 10 temperature out in the coolest height in the plant. 11 700 degrees was the te mp e ra t u re in the reactor 12 coolant system external to the reactor vessel, i 13 and I could in no way reconcile in my mind the f act 14 of the 700 degrees out in the pipe and 200 15 degrees in the core. 16 Q Were there any other instruments available 17 in the control room at that time that would tell you 18 which temperature reading was accurate? i 19 A There were several other temperature instruments, 1899 304 20 yes. i. 21 Q What do those instruments tell you? ! (( 22 A They are the ones we discussed earlier that were 23 off scale about 620 degrees and so forth. I believe all ~ ~ 24 analysis clearly showed that the plant was vapor bound 25 with superceded steam at that time. BENJAMIN REPORTING S ERVICE
1 Porter 54 2 Q Based on March 28th, based on those other 3 instruments, what was the basis of your decision that 4 your readings from the thermocouples were not reliable? c': 5 A well. i. s I have explained, the te mpe r a t u re s ranged ~~~ 6 from 200 and some odd degrees up to 2300. I think the 7 real problem is that I don't know that I could have 8 done anything different at that time if they were all--we 9 were getting cooling on core, which was the real problem. 10 The readings just showed the core was hot and needed to i 11 be cooled. That is what was trying to be donc anyway. 12 Q Are you a member of any other committees 13 aside from the PORC. 14 A No. 15 Q Are you a full-time member of PORC? 16 a
- yes, 17 Q
For what period? IO A I guess up to about December of '78, up th rough l 19 March 28. 20 Q And who would have appointed you to be a 2I member of PORC? k~ 22 l A Chairman Seelinger, I guess, the Superintendent. 23 Q Do you know why he asked you to be a member } g g '} } } } ~ I of that committee? 25 A I worked for him then. I was a member of the B ENJAMIN REPORTING SERVICE
1 Porter 55 I 2 engineering staff then. The engineering staff was PORC. i 3 Q Do you know if prior to March 28th there 4 had been a his to ry of problems with the PORV? l 5 A Our PORV? 6 Q Yes. l 7 A only one that I am aware of that was stuck open 8 last year on loss of power to the vital bus, i 9 Q And how would you have learned of that 10 incident? 11 A I was here. 12 Q Was that just rumor or were you spe cifically i 13 told, informed? 14 A I was in the plant. At least not too long after-15 wards, if not at the tire, I was told. I was working 16 here at that time so I knew it. 17 Q nut would this have been brought to your I I 18 attention as part of your responsibilities or was this l 19 brought to your attention simply because you worked at 20 this Unit 27 I 21 A No, it was part of looking into what had happened l ((, ) 22 to cause the valve to stick.and that we discovered the 23 circuitry would cause that problem because it had ~ 24 lost power. I. was part of the GPU startup group 25 at the time. BENJAMIN REPORTING S ERVICE
1 Porter 56 2 g so that in your responsibilities here you 3 formally learned of this incident? 4 A I was involved in analyzing the problem, yes, t 5 Q What did you do to analyze that problem? 6 A well, we worked up to -- just looked into the 7 controls for the valves and discovered that if the 8 analog signal to the valve was lost, our signal would 9 indicate the valve to open, and that was subsequently 10 changed. ll Q That was remedied? 12 A Yes. 13 g now was it remedied? 14 A By changing the contact state from the pressure 15 signals, as such that if it lost power, it would keep 16 the valve shut, rather than open the valve. At that 17 time, that is also when the light bulb would be indicating 18 for an indication. 19 g Was B&w contacted? 20 A Yes. I 21 g Who at B&w would have been contacted? kh
- i 22 A
well, Lee Rogers on site. I'm not sure who in 23 thehome of fice. Part of the design shifts came from 24 B&w, however. 25 g Your analysis included consulting Lee Rogers BENJAMIN REPORTING S ERVICE
1 Porter 57 2 of B&W7 3 A Well, he is the senior man on site. I'm sure 4 he was aware of it and was contacted. b 5 Q Who at Met Edison would have reviewed 6 your analysis? 7 A I don't know. It wasn't very major analysis. It i 8 was pretty obvious from the circuitry, after the p r ob le m 9 report was written, and it was resolved by changing the 10 contact and adding the light bulb. i i 11 Q And who would that report have been written to? 12 A B&W, Rogers. 13 Q The report would have been sent to Mr. 14 Rogers of B&W7 15 A Yes. 16 g So that B&W would have reviewed your analysis? 17 A Well, maybe you're getting a little crooked, saying 18 "my analysis," but, yes. 19 MS. GOLDFRANK: I would like to request a 20 copy of the report th a t Mr. Porter is referring to. I 21 MR. YUSPEH: I will have that copied. ' (( l 22 (Discussion off the re cord. ) 23 Q With respect to the review undertaken by 24 B&W of your analysis, would it then be sent back to_you 25 with comments from B&W7 BENJAMIN R EPO RTIN G S ERVICE
I Porter 58 2 A Yes, it would come back with a response, yes. 3 Q And would you then undertake a review yourself 4 of B&W's comments? ( 5 A Yes. 6 Q would anybody else at Met Edison review 7 that analysis? 8 A I was was with GPU at that time. 9 Q And would anybody else at GPU? 10 A They might. In this case, the problem report 11 itself was followed up by a Burns & Roe engineering 12 team memo, and Burns & Roe reviewed it and made comments. 13 Well, it was also elaborated on further than the B&W 14 output. 15 The light bulb was adde d, which was a 16 Burns & Roe part, before the en ti re. package was installed. 17 Q And why would Burns & Roe have been contacted D to review this? I I 19 A Because they have to see the actual piece of paper 20 to put anything in the plant. l 21 Q And you were at GPU when you performed this
- k(.
22 analysis, correct? 23 A I was working with the startup group. 24 Q Was anybody at Met Edison involved? 25 A ch, yes. I'm sure that they we re. I don't BENJAMIN R EPO RTING SERVICE 1899 309
1 Porter 59 2 clearly recall who analyzed any given part, other than 3-whether we reviewed it or whatever, but it was looked 4 into, and we discovered that the loss of a vital power 5 to the control system would cause the valve to stick 6 open--not stick open--that is a bad term--but it would ~ 7 cause it to go open. 8 Q Is the re a memorandum from Burns & Roe 9 back to you at CPU concerning their analysis of this 10 problem? 11 A Not that I am aware of. All I looked into'was the 12 problem report, which she has right now, which my i 13 supervisor, Ron Toole, at the time wrote up and gave to 14 Lee Rogers for resolution, and the answer came back 15 that the drawings proposed changen and Burns & Roe 16 put out ECM to have the changes made. 17 Q Were you contacted by Burns & Roe to meet 18 with them concerning your suggested changes? 19 A No, it wasn't that major. 20 Q Did you know of any instance prior to March 28 21 where the pressurizer level indication had gone high? (/ 1 22 A Gone high? 23 g yes. 24 A We have had difficulty with some leaks at one point. 25 MR. YUSPEH: Would you answer the question BENJAMIN REPORTING SERVICE i899 310
1 Porter 60 2 yes or no. l 3 A Would you repeat the question? 4 (The previous question was re ad back.) [ 5 A no, if you've got to be completely specific, that 6 is all, not in the sense that it did on March 28th, no. 7 Q Were the re any times prior to March 28th 8 that would indicate to you that you could not rely on 9 the pressurizer le vel indication? 10 A no. Il Q Did you know of any instance where the 12 pressurizer level indication had gone low? 13 A no. 14 We had had some trouble with sensor lines 15 and that had been fixed, that caused one transmitter 16 out of the three to get somewhat erroneous readings. 17 I don't recall now whether it was high or low, but 18 that had been repaired back around January, I believe. 19 Q Who would have been responsiblc~for that 20 to be repaired? 21 A The maintenance department fixed some problems ((. ~ 22 with it. 23 Q Do you ever have contact with other B&W 24 plants? 25 A Not routinely. I'm trying to remember if I have BENJAMIN R EPO RTIN G S ERVICE i899 31l'
1 Porter 61 2 or not. I don't believe I have. 3 Q Have you ever been sent to any other plants 4 for training? 5 a no. ~ 6 Q Have you ever discussed the design 7 of the plant with the people of B&W who work on that 8 design? I 9 A That is a terribly broad question. I discussed 10 the specific items from time to time, yes. I never 11 would discuss whether or not it was a good plan or a 12 bad plan, I guess, whether I thought they were crummy 1 13 designers. 14 Q But you would talk about the specific 15 things about the design? 16 A Well, like this relief valve problem, yes, 17 things of that nature, certainly. 18 Q Would that be on site here? 19 A It might be or it might be at Lynchburg. 20 - Q Have you ever been licensed on a nuclear 21 reactor? Y.. ) 22 g 30, r 23 Q The purpose of your taking the simulator N training course was for your position as 5 A Part of the training for the start-up and test B ENJ AhilN REPORTING SERVICE 1899 312
I Porter 62 2 group, yes. 3 Q And the peopic in that course with you, were 4 they all in that startup and test group? 5 A yes. ~ 6 Q In that training course were you ever told 7 as to the consequences of taking a plant solid? 8 A Not that I recall. It's too long now. I don't 9 recall. I don't know that that was discussed. 10 Q Do you know if you were trained in emergency 11 precedures? 12 A I don't recall that either. I believe they were 13 discussed to a certain extent, yes, but that re ally 14 wasn't the purpose of that course. 15 Q Do you remember since March 28th if you 16 have been interviewed by anybody else? 17 A Twice by the NRC. IB Q Do you remember who at NRC7 19 A Tony Fusano and Jim Creswell. 20 Q And do you know what division of NRC they 21 are in? ((' 22 3
- rag, 23 Q
And have you been deposed by anybody else? 24 A No, if there is a difference. 25 Q There is a difference. B ENJAMIN REPORTING SERVICE
1 Porter 63 2 MS. GOLDFRANK: I would like to request 3 that we be provided with a transcript of these 4 interviews with NRC. 5 MR. YUSPEH: Have you requested it? 6 MS. GOLDFRANK: Yes. 7 MR. YUSPEH: And I didn't provide it? 8 MS. GOLDFRANK: No. l 9 MR. YUSPEH: Do they have it? 10 MS. GoLDFRANK: I don't know. 11 THE WITNESS: I have the first one. I 12 haven't. 'eived the second one yet. I have i 13 two tapes. 14 MR. YUSPEH: Do you have a transcript? 15 THE WITNESS: I have a transcript of the 16 first one. 17 Q They haven't provided it to you yet? 18 A No. They didn't provide the first one until I 19 went to a second interview. 20 Q Did you write any memoranda as a result of 21 the incident on March 28th? (( ' 23 A No. 23 Q Were you asked to perform any kind of ~ 1b99 314 ~ 24 analysis as a result of that incident? 25 A No. The only thing I can remember specifically is BENJAMIN R EPO RTIN G SERVICE
I Porter 64 2 trying to figure out the condition of the thermocouples. 3 I eventually gave up on trying to satisfy people and 4 suggested they get someone in who knew more about 5 thermocouples, which they did. ~ 6 Q Who did you make that suggestion to? 7 A They were asking me by Friday, I think, and I 8 presented names I believe to some people that had I 9 been suggested to the NRC and B&W. They eventually I 10 brought in people all over the thermocouples. They 11 had guys from Oak Ridge here and from B&W and a fellow 12 from Co mb u s tion Engineering. 13 Q You didn't feel at that point that you were 14 qualified to perform an accurate analysis? 15 A Well, I took readings of resistance to ground N 16 on the thermocouples and made comparisons, and I was 17 satisfied in my own mind that I guess we had overheated 18 them or melted them or whateve r and the junction conditions 19 had changed. 20 They were trying to get me to tell them whether i 21 or not 5 or 10 or 50 degrees was reliable, and I told i 22 them that when I knew the thermocouple junctions had 23 changed, I couldn't tell them that, and I was far too 24 busy to spend my whole day down there taking thermocouple 25 readings, trying to understand it better. BENJAMIN REPORTING SERVICE
65 Porter 1 2 Q Too busy at what point in time are you 3 talking about? 4 A Like Thursday, Friday, Saturday, Sunday, the 5 days following the accident. 6 Q March 30, 31, and April 1st, et cetera? 7 A Yes. 8 Q And they got somebody else in? I 9 A somebody did. A gentleman from comoustion I 10 Engineering was there and I said, Oak Ridge, and they l 11 were doing noise analysis. There were three or four 12 down that hooked up thermocouples on the 5th of April 13 or something like that. 14 Q And has anybody discussed with you the 15 results of their analysis? 16 A Oh, yes. That has shown up in the EPRI report, 17 and in the report of the special instrumentation group 18 documents that were produced. I haven't specifically I 19 seen any asw reports yet. 20 Q normally what is your contact with Gary 21 Miller, that is prior to March 28? ,s b' 22 A well, he is station superintendent. I see him 23 occasionally, not frequently. I guess I consider 1b99 31b 24 him a personal friend too. 25 Q sut you would not have any contact through BENJAMIN R EPO RTING SERVICE
1 Porter 66 2 formal channels to him? 3 A Generally only if he had a spe ci fic que s tion that 4 he thought I might have an answer to or something to 5 discuss. I mean, I worked for the tech spec superintendent 6 who in turn worked for the superintendent. It wasn't 7 a daily basis type thing. 8 Q But at times if he had specific questions 9 he would come directly and ask you? 10 A Yes. 11 Q Not going through your superior, Mr. Kunder? 12 A Not necessarily, no. Generally, he would go th a t 13 way. 14 Q Do you remember specific ques tions that he 15 would come to ask you directly? 16 A I don't know. We have been some questions with 17 regard to the tech specs on our reactor coolant flow, 18 and we did have a few conversations on that problem. I 19 guess maybe on a personal type thing with regard to 20 promotion for a certain person or something. Is that i j 21 important, whether I talked to Gary? l ((' ') l 22 Q I'm just trying to figure out what the i T. 7 23 relationship is with the Unit 2 organization. ~ ~ 24 A It would generally work like George or Joe 25 wrote in, and if they happened not to be here or something BENJAMIN REPORTING S ERVICE 1899 317
1 Porter 67 2 and he saw he might get better information talking 3 directly, he would talk to me directly. Generally he 4 would work through the superintendent. 5 Q Why would he talk to you about a personal 6 matter regarding promotion? Would that be a promotion 7 for you or someone else? 8 A Well, I haven't had any so it wasn't for me. I 9 believe we did discuss one individual that works for 10 me who was up for promotion. 11 Q And would Gary Mil 7er be the individual 12 that would approve whether or not that promotion occurred? 13 A Yes. 14 Q What were your contacts prior to March 28 15 with Mr. Logan? 16 A It would be with my superintendent, and that 17 was pretty much on a daily basis. 18 Q So that it would be communication daily 19 with him indirectly? 20 A Almost daily. I wouldn't say it was part of the 21 daily business. I wouldn't say I saw him every morning ((', 22 at 9:00 o' clock, but we were in contact frequently. 23 Q And what would your interaction be with 24 Mr. Floyd? 25 A Jim Floyd? B ENJAMIN REPORTING S ERVICE 1899 318
1 Porter 68 2 0 Yes. 3 A Well, of course, he is operations supervisor 4 and we would work together on questions or problems or 5 maybe a tech spec, questions and stuff like that, yes, 6 equipment that had to be fixed that a tech spec re qui re d'~ 7 or something like that type. 8 Q So you would have free interchange with 9 him? 10 A Oh, yes. 11 MS. GOLDFRANK: I would like to mark this 12 as Exhibit 3. 13 (Discussion off the re co rd. ) 14 MS. GOLDFRANK: Exhibit 3 contains information 15 sent by Mr. Porter to Ernie Blake for the purposes 16 of testifying before the President's Commission. 17 That information contains thermocouple readings, 18 a report prepared by the GPU startup group 19 concerning the electromatic re lie f valve, and 20 a surveillance check concerning decay heat valve. 21 Ernie Blake is an attorney with the firm of (( .) 22 Shaw, Pittman, Potts & Trowbridge. 23 (Above described document was. marked 24 Porter Deposition Exhibit 3 for identification, 25 of this date.) B ENJAMIN REPORTING SERVICE
1 Porter 69 2 Q Are these the thermocouple readings contained 3 in Exhibit 3 that you found or were told were recorded 4 on May 77 5 A what was actually recorded are the numbers here. 6 Before I sent it down, I got out the thermocouple 7 conversion chart and looked up the temperatures that 8 corresponded to millivolts. This is a Xerox of what 9 is in the computer book, of what the technician wrote 10 down while taking the reading. 11 Q So the handwritten n u mb em on the computer 12 print-outs are what the technicians recorded on 13 ' March 28th? 14 A On this side, yes, and this is the temperature 15 here (indicating). 16 Q The te mpe ra tu re s on the left side are what 17 the technicians reported, and then the numbers'on the 18 right side a re wh a t you converted and wrote on the 19 sheet in preparation for the hearings before the 20 President's Commission. 21 A Yes. t 22 Q Is that correct? i899 320' 3 A Yes. I might caution you that I don't know if he 24 had this when he gave his testimony because at 8:00 25
- o. clock I had it on the telecopier and it was 9:00 or B ENJ AMIN REPORTING SERVICE
1 Porter 70 2 so that he was supposed to tt;tify. 3 Q There are three pages containing these 4 numbers, and the fourth page-- 5 A What this is is a core map with location of the 6 in-core assemblies within the core, thermocouples being ~~ 7 part of.the in-core assembly. The n u mb e rs in circles 8 are those temperatures laid out as they show up at 9 the top of the core where the thermocouples are. These i 10 numbers are transposed to the core map. Once again, I 11 didn't do that until May, after I had the readings. 12 Q This chart would have been prepared after 13 May 77 14 A Yes. I'm not sure just when. This item too was 15 May 7. no, I'm not sure. The diagram, you see, is what 16 they are using now and have been using in the control room since some point in time. Other numbers are obviously I7 I8 th e rmo coup le readings of a much later point in time. I 19 just grabbed one o f these thermocouple data sheets they 20 had in the control room and wrote these n umb e rs on it, I 2I 'so I could mail them out. So the ones in circles.are ((. 1899 321 22 the ones from March 28. 23 Q And this was p rep a re d to the aust of your 94 recollection only after you received-- A I know it was after that. I' m j us t not sure when 95 B ENJ AMIN REPORTING S ERVICE
I l' 1 Porter 71 2 that was. 3 Q so it would be probably May 77 4 A Yes. t ~ {4 5 Q On March 28 there was not in the control 6 room a map like this that indicates the temperature in ~ l 7 the specific sp'ots on the core? I 8 A no. 9 Q There was not? 10 A no. Are you talking about th at white board that 11 is up in the back? f 12 Q Yes. 13 A I had that board built. It was a long time after 14 that. 15 Q That board did not exist on March 287 16 A No. 17 Q Who asked you to plot this chart? 18 A Nobody. 19 Q You just did it yourself? 20 A yes. u,_ Q Did ye give it to anybody other than when 21 22 you forwarded it to Ernie Blake? 23 A The fellows at EPRI. It is essentially the same 24 thing. I don't know if they have the same chart, but 25 they have the readings. I'm sure they have worked it BENJAMIN REPORTING SERVICE 1899 322
1 Porter 72 1 out by now. I don't recall. I found this data, say, 3 tia y 7 about an hour before I got on the plane to go to 4 EPRI, and I was talking with those guys, and I don't 5 recall if I grabbed this sheet that morning or if it was ~ 6 a week after. I just don't remember. 7 Q And for the record could you explain what 8 EPRI is? 9 A Electric Power Research Institute. 10 Q Where is that located? 11 A Palo Alto, California. 12 Q You went out there to talk to them? 13 A well, they requested somebody to assist them with 14 more specific plant information while they were trying 15 to evaluate the accident, and I got se le cte d for that 16 week to go. It could be that other people were out 17 there also. It was just for assistance while they were 18 writing this report. 19 14 S. GOLDFRA!!K: At this time I would like 20 to recess this deposition. I have no further 21 questions at the momeat, but there is a possi- -(' 22 bility that you could be asked to come back at 23 24 25 1899 323 BENJAMIN R EPO RTIN G SERVICE
1 porter 72-a 2 another time for further questioning. 3 (The deposition concluded at 11:40 a.m.) 4 (~ s 5 -~ 6 Ivan o, ponrea, aa, 7 8 Subscribed and sworn to 9 before me this 10 day of -----------, 1979. 11 12 13 i 14 15 16 17 18 19 20 l 21 lb_. 22 23 1899 324 24 25 BENJAMIN REPORTING SERVICE
73 1 2 I N D E X 3 WITNESS DIRECT 4 Ivan D. Porter, Jr. 2 5 ~' 6 7 8 E XH I B I T S 9 PORTER DEPOSITION FOR IDENTIFICATION PAGE
~~~----
10 11 1 Resume of Ivan D. Porter, Jr. 2 12 2 " Current Events Concerning Power 30 Reactors" -- a publication of the 13 U.S. Nuclear Regulatory Commission 14 3 Group of documents consisting of f thermocouple readings, report l 15 prepared by GPU startup
- group, i
and surveillance check concerning 16 decay heat va2ve 68 17 18 19 20 21 V~> 22 23 24 1899 325 25 BENJAMIN R EPO RT!NG SERVICE
1 74 2 STATE OF NEW YORK )) ss.: 3 COUNTY OF NEW YORK ) 4 We, STEPHEN McCRYSTAL, Notary Public, ( 5 and STANLEY RUDBARG, Certified Shorthand 6 Reporter and Notary Public, of the State of New 7 York, do hereby certify that the foregoing depo-O sition of METROPOLITAN EDISON COMPANY.by IVAN D. 9
- PORTER, JR.,
was taken before us on the 21st day 10 of July 1979. 11 The said witness was duly sworn before the 12 commencement of his testimony. The said testimony 13 was taken stenographically by ourselves and then i 14 transcribed. The within transcript is a true 15 record of the said deposition. 16 We are not related by blood or marriage to 17 any of the said parties nor laterested directly 18 or indirectly in the matter in controversy; nor 19 are we in the employ of any of the counsel. 20 IN WITNESS WHEREOF, we have hereunto set 21 our hands this 2_.I_ day of July 1979. b E - y. ! fEC:..... I 23 STEPHEN McCRYSTAL 3./..b !pa.. ~ 25 diTANLEY RUDBARG, CSR. BENJAMIN REPORTING SERVICE [899 326
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~ TkREE MILE ISLAND fl0 CLEAR STATI0ft GPU flutBER 2 7//f GPU STARTUP PROBLEM REP 0P.T ORGAflIZATI0ft SERIAL flUMBER To E. BLAKE /G. t??o'// r TMI UtilT 7 k/2 SYSTEM: TP (10. MTX 110. lN PROBLEM DESCRIPTI0ft: E AL %A& %IA. s t n M dp%; m uA. c) bx 9..+32Miuk & La p' gg V ORGANIZATI0ft: 6[L{ DATE: 3 N b O ~7 d~ DATE SENT: FOR RESOLUTI0fl BY: g PROPOSED RESOLUTION: s 5., 9' V V 4' SEE ATTACHED i-x 1 7 (f .g-BY: 1 M g* v .y DATE: L_z_.7p_ b R~ A Lf-3~70 DATE SENT: FOR ACTION BY: 9s1.\\ w & ECM % o. c. c e a k a /s fgg msem dopy a n GCM. G-S'B'l h c Y ' ') ^ W $ r " ~ ' ' " " * "h9P fG Z f3 9 W'"- rzasoturm n. ~ m p-awa seria sy no M. ^ 1899 331 -of/fffy .c. 4r.ve4 AET10T-COMME-TED-4 0/d6 5AT1 ORI -BY: /. 04#"'^'#'" " wy). : 4- --7f
GPU Problem Report 2718 / PROPOSED RESOLUTION B&W has reviewed the electromatic relief valve logic and agrees to the concept of having relief valve fail closed on loss of NHI power supply to the Hi-Lov Monitor (3-10-12). To achieve this condition, switch S-1 should be in the deenergized mode and the viring modification be made as indicated in the attached sketch. Per your request,a formal field change Vill foll0V. To provide an indication that the electromatic relief valve has an open signal, a review of the construction schematics indicates that a control room indicating light operated from power to the solenoid can be added without additional cabling. (Refer to B&R drawing #3079, sheet 11.) 4 This light could be actuated by the same auxiliary relay in the power distribution panel that supplies power to the valve solenoid. To : E. BU]KEl4, /77u4EX s/a N e 1899 332
- ~. p by SERIAL NO. 5-5 cB9 T. [I66. T, DISCIPLINE 6t(cT4/c A4. COST Ep/4 'DATE 4/4/77 TMI UNIT NO. 2 B&RF8/4 SUBJECT (C-IVf *cu'rsen. 4.csi-BURNS AND ROE, INC. ENGINEERDIG CHANGE MEMO GPU W/r VI DATE N/,/od p ATTACHMENTS (REV 12/75) / ( /u '/ y ' ~ k' DISTRIBUTION
REFERENCES:
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l' h_,d,Y 2-$, I h hs k 8,9 vW@,..c,)J.p?%q $mWw@a.L@ m y bpfg4@. Mp M.h M $!t. M},My., # =.WQq M.9 Q+d,.&, d.:::q' W~..W,AM@m;% sIMCdF %p~ ppt M W.? W w MM WJ 1 ~ h.m*f m?$$ 5h?.%um & &W,s.& m m M Q .M j r ms 2. w.m vmw mm M f q &pi W $. *a E s u m m e ~C
- 5
- ..
Miym.s ept ^ r Mu h= W m t p ,. b _ wh h h N d b _b.ikkPL"? ?n w } f^$.. Q I ?Q R10 $.WW b h8 a.
1.2.3,4 Sh 20ff//) PRESE:IT t'0DE I '/ yV DATE' FS: ACTUAL DATA DESCRIPTI0ft 3 1 2 REQUIRED b RiverllaterLevei >2'/T ft. .1 9 7.5.1 River !!ater Temp 590 F .7.7.1 Control Room Air Temp (Compt. PT.1031) g, <100"F - ~ /,/ yalyc.and DHR "A" Pump Suct. Viv (DHV-102A). ' OPEfl p breakers are ~5.2 l V posh 4oned as 5.3 l Valve DH7-102A Dreaker (MCC2-llEA) OPEll y indicated (/). h.! DHR "B" P0mp Sutt. Viv (DHV-1028) OPEfi-cg. j/ (f ny n ECCS Subsyste .5.2 Valve DHV-1028 Breaker -(MCC2-21EA) OPEfl ('/. C,k cl-is required' .5.3 .5.3 [ BilST to S.F. Valve (DHV-157) jN .5.2 l ~ CLOSED c v / [ , Valve DlV-157 Breaker (MCC2-328) 0PEll / ~ 3.4.6.2 RB Sump Level 2,/23 f[ 9.34 ~ .in Operat-RB SumL evel Change Since Last Shift .i7 - wr L f4.6.2 .ignal eakage / l ~3.4.6.2 "tio. of RB Sump Pump Starts Since Last Reading ~ 'Lc'/ Accf limits of T.S. (Gals) 3.4.6.2 RB Sump _(Oischer e.x /.46 gal /t t" x cump Puva 5 tarts) ~3.4.6.2 GA'Is = 28 ft
- ilo. of RB Sump Pump Starts since last reading. If computer is 0.0.S, Place Control Switches for R.B. Sump Pumps in 0FF.
Monitor R.B. Sump Level every 4 hrs.(Log level in CR0 Log every time reading is taken) If level gets to 4f t,5 tart a R.B. Sump Pump and reduce level by 16". (Record starts and use formula as if R.S. Sump Pumps started in AUT0) - in AUTO sump level varies by 16" - (16"=209 qal. ) 3,6.1.7 Accumulated RB Purge time while in Modes 1-4 g/upg,,g:p4 1 90 hrs. in proceeding 36g At least one / 3.6.5 AH-E-52A in operation (MCC-2-35) Yes/flo VA,S p Reactor vessel ski t fan -st 3.6.5 AH-E-52B in operation (MCC-2-47) Yes/flo g
- Ref. Computer Alarm Printout (pts. 2725 and 2727) t LG SURVEILLAtCE CHECKS ARE AS REQUIRED?
(Yes/t!0) [g p g PERFORMED BY: g,h gf g/g,/ (( j e APPROVED BY. \\ /~ 1899 335 E. Bu?KE/6. #2/L LER 7'o 8//2
ikISCE Page ~3 of 6 T' 7-N 1.2,3,4Sh20f[M PRESEtiT f 7)DE -- b Y @ DATE A!:1.c rannFs-ACTUAL f1 SPEC NEQUIRED ACTIO:: f:0. DATA DESCRIPTION 3
- 1
,2 >27T ft. 7.5.1 River ifater 1.evel ' 9 . 7. 5.1 River ifater Temp N <90 F 0 .7.7.1 Control Room Air Temp (Compt. PT.1031) /,cf p <100 F / V / Valyc and OPEf! '. 5. DHR "A" Pump Suct. Viv (DHV-102A). '. .brcgkers are t/ f Positioned aa .5.2 j Valve DHV-102A Breaker (f4CC2-llEA) OPEtt / indicated (/). .5.3 l .It /M d' .I
- "y k!
DHR "B" P0mp Suct. Vlv (DHV-1028) OPEft-rp/ ^Ip y ECCS Subsyster (a is required Valve DIN-1028 Breaker -(f4CC2-21EA) ~ / E .5.2 OPEff .5.3 .5.2 i BilST to S.F. Valva (DHV-157) CLOSED $ f V .5.3 'l ! g/ / .5.3 Valve D!!V-157 Breaker (f4CC2-32B) OPEll / .5.2 ~ W MlW )LC,lithin Operat-1 3.4.6.2 RB Sump Level U .2 gi .6 g "ffg f
- 3. 4. 6~2 RB Sumo Level Change Since Last Shift
- flo. of RB Sump Pump Starts 6Tnce Last Reading e
O T gnal Leakage i Limits of T.S. '3.4.6.2 ,3.g.W 3.4.6.2 RB Sump Disch9rge. (Gals) o (._'Q P8 f La x /.ou gal / t t '7 tidump Pump 5 tarts J pf 3
- Ho. of RB Sump Pump Starts sinca last reading. If computer is'0.0.S, Gals =
i Place Control Switches for R.B. Sump Pumps in 0FF. Monitor R.B. CP.0 Log every time reading is taken) Sump Level every 4 hrs.(Log' level in If level gets to 4f t,5 tart a R.B. Sump Pump and reduce level by 16". (Record starts and use formula as if R.B. Sump Pumps started in AUT0) - in AUTO sump level varies by 16" - (16"=209 gal.) M 3.6.1.7 ~ Accumulated ffB Purge time while in Modes 1-4 p' Wl C.W < 90 hrs. in ,proceeding 36h At least one AH-E-52A in operation (MCC-2-35) Yes/flo 7 4 /f/ Reactor vessel 3.6.5 skirt fan shall ~ ' AH-E-52B in operation (MCC-2-47) Yes/f;o N lib po be in operatior 3.6.5
- Ref. Computer Alarm Printout (pts. 2726 and 2727)
YES-fl0 FOLLOWU OU SURVEILLAi!CE CHECKS ARE Ab.d.c l2il? (Yes/l10) a/,-., 6 t:0-FOLLOWUP PEI I k,4Q k 'h PERFORMED BY: p APPF0VED BY: l 336 11.0
- T~O: E SU?KE/G. /??/& LER 9/a
.- e e,
,!!ISCELLANE0US SURVEILLAt;CE ITEio - evision 10 9/01/78 Page '3 of 6 o.i:LE MODES: 1.2.3,4Sh2af((/ PRESEllT t'0DE f N 'l 3 M' DATE !#~/O-76 iSPEC ' ACTUAL ACTIO.! I'O. DATA DESCRIPTION 3 'I 2 PEQUIRED .7.5.1 River 11ater Level ' >27T ft. V . -d 1 9 90 F .7. 5.1 . River Water Temp .7.7.1 Control Room Air Tenp (Compt. PT.1031) p }[ <100 F' DHR "A" Pump Suct. Vlv (DHV-102A).- OPEll Of O[ Op Valve and ' ~~ . 5,, . breakers are e .5.3 . j Valve DHV-102A Breaker (MCC2-11EA) OPEit op [ g/ positioned as .5.2 indicated (/). OPEll-Op 0k I 5:$ DHR "B" P6mf; Suct. Vlv (DHV-1028) t ly n ECCS Subsyste: OPEll 9,8 0/g is required .5.2 i } ' Valve DHV-102B Breaker -(MCC2-21EA) .5.3 ') 3[- L,,) Ci .5.2 i CLOSED C .5.3 i BUST to S.F. Valve (DHV-157) Valve DHV-157 Breaker (MCC2-328) 0PEll gj) Lf ~ .4.6.2 RB Sump L6'iel {M5 LQ Th7/ .J 4%LtJ95.Within Operat-3.4.6.2 RB Sump Level Change Since Last Shift 3.4.6.2
- tio. of RB Sump Pump Starts Since Last Reading l
O lgn age limits of T.S. 3.4.6.2 RB Sump Discharge. Gals) cf sch O 3.4.6.2 Gals = 28 f ta x /.46 ga l/ t t x (Slimp rump btarts) ndt 0 ~
- ilo, of RB Sump Pump Starts since last reading If computer is 0.0.S, P1oce Control Switches for R.B. Sump Pumps in OFF.
Monitor R.B. Sump Level every 4 hrs.(Log' level in CR0 Log every time reading is taken) If level gets to 4f t,5 tart a R.B. Sump Pump and reduce level by 16". (Record starts and use formula as if R.B. Sump Pumps started in AUT0) - in AUTO sump level varies by 16" - (lF'=209 oal.) n- ,6.1.7 Accumulated RB Purge time while in Modes 1-4 ,$' pf b:Ci190 hrs.in proceeding 36 ast o .6.5 AH-E-52A in operation (MCC-2-35) Yes/No M YUM e o ski t fan sh 11 ' AH-E-52B in operation (MCC-2-47) Yos/flo g.7 h 3.6.5 i
- Ref. Computer Alarm Printout (pts. 2726 and 2727)
LL0 SURVEILLANCE CHECKS ARE AS xEv i3tV (Yes/f0) p p fE5 i j 0F gp f [ 6 ) PERFORMED BY: APPROVED BY: h Qfg Q /J t=. 8 U 1 K E l G h E R ~ l1.0 70: 1899 337 ,g,,z F. g. _.
TECH SPEC SURVEILLANCE Exception and Deficiency List C f' Y
- /!/4
., L VElLLANC' PROCEDURE NAME 7
- (
SURVEILLANCE r>ROCEDURE NU ABER 2 30/ '$) /.2. ~/ '[i[. THIS SURVEILLANCE IS REQUIRED FOR MODE ( DATE DATA TAKEN MODE (S) DATA TAKEN IN 3 fl ot e : _On 'L59 M a f" N" 4 '- u 4-A. .w o COL 4PON E N 7 C E SI C *e A T O R I TYPt toc ^T = u""
- ' o-Scatoutc no.
sys ,y .. o. u rasx g 1* 16 tr n 73 74 25 37 33 3Jt Tti I d_EO(S ( o 3 c/ o O!A tis 23 O ( -S ~ l 71533 Shi l d 'f, E/ D duHaec./ PnRnC 88Ph oR Sect. / PercRI 'hed (IfrDNI-) 3 P { C-f : ? )$k l l fl f) N - Ill ~'l 0 1 l3 4 0 3 A 0 [ d 0 ( $ 0$ 6 {} kll ?) 4 0 4 C C ( B k 2 !JSST 'F O R '5 9.23 2 5 - R7 R 8 D RG S S.I !N/ 4 0 3 A Dh5 l (h n lC f l' 0 1) c l [ SESh ll 4 0 4 C l 'l lll 4 0 3 A l' l ll l'l
- 4 0
4 C lllI l j 4 0 3 A l I li l l I 4 0 4 C l! l (Tf Opgl.) RESOLUTION DESCRIPTION TxN 1 seq pcza,ipticsa No. r N a-f)3 oo 4 0 3 A ) OT n h h T o n o i m A r. t 0 S N lc yncyc i n o n e e 7 l 4 0 4 C $ 3N 4r r c4 54 4 UC / ( 4!4 /U C C O /> .1 c o e< (: r d. o, I j 4 03 A l l l., j ! 4 04 C i l !ll8 ' l l !'I 4 0 3 A l l l l { l ,ll ll 4 0 4 C lI l l II !lhlI SillFT SUPERVISOR COMPLETE SECTION BELOW: TEST COORDINATOR COMPLETE BELOW YES NO QUESTION The Resolution column has fully ex- / plained what has been done to close /
- 1. This E or D placed the Unit into an action statement.
out this item. (I{ App.) l V
- 2. This E or D was caused by Equipment Failure.
This E or D is closed: /
- 3. This E or D has caused the performance of this Surveill'oce
)b99 338 to t,e unsatisfac'ory for Mode (s) with regard t.) satisfying the intent of the Tech Spec. h / Shilt Supervisor In.. ls & Date: uhm /Foye/ itia 3 ,..wre or me Tut coord. Date 3W /$ ~^~f 1,ii sa s$s' tru tials o s te
Page ~3 of 6 / SIS MODES: 1.2.3,4Sh20f((Z PRESEilT l'0DE D 3' D' ~ DATE ,S5EC I ~ OCTION l ACWAL tl0. DATA DESCRIPTI0fl 3
- 1 2
REQUIREU .7.5.1 River !!ater Level ,/2' 1 ft. 3%9 <90 F .7.5.1 . River llater Temp 9 .7.7.1 Control Room Air Temp (Compt. PT.1031) 77y 7G 7'7 <100 F DHR "A" Pump Suct. Vlv (DHV-102A). '. OPEll Of Q[ 3[ Valve aird breakers are .5.2 j .5.3 l Valve DHV-102A Breaker (MCC2-llEA) OPEf1 M V positioned as indicat ed (/) DHR "B" P0mp Suct. Vlv (DHV-1028) OPEll-g-/ Of fl0TE_: In mii ~ 4, on,ly or r .5.2 d ECCS Subsysie- _ -f of-is required .5.3 l' Valve DHV-1028 Breaker -(MCC2-21EA) OPErl h 4 .5.2 l .5.3 1 BWST to S.F. Valve'(DHV-157) CLOSED}d N G 4 Valve DHV-157 Breaker (MCC2-328) 0PEtl Y O/> .4.6.2 RB Sump Level N.t 1 ?.7os ?.If/ l . lithin Operat- .4.6.2 RB Sump Level Change Since Last Shift ' f.I .e97 .ry I .4.6.2
- ilo. of RB Sump Pump Starts Since Last Reading I
2 JL 9"b
- d 9
Linn ts of.T.S. ' 4. 6. 2 RB Sump Dischcrge. (Gals) 201 V/ g /AT 3.4.6.2 Gals = 28 f ta x / A6 gal / t ts x nump Purrp dt. arts)
- lio. of RB Sump Pump Starts since last reading. If domputer is 0.0. S, Place Control Switches for R.B. Sump Pumps in 0FF.
Monitor R.B. Sump Level every 4 hrs.(Log level in CR0 Log every time reading is taken) If level gets to 4f t, Start a R.B. Sump Pump and reduce level by 16". (R.: cord starts and use formula as if R.B. Sump Pumps started in AUT0) - in AUTO sump level varies by 16" - (16"=209 gal. ) v ,6.1.7 Accumulated RB Purge time while in Modes 1-4 (pg4 3C d'l} (. < 90 hrs. in proceeding 36g, t least one .6.5 AH-E-52A in operation (MCC-2-35) Yes/flo g % yy .6.5 AH-E-528' in operation (MCC-2-47) Yes/flo k % ,tjo ski i s 11 "Ref. Computer Alarm Printout (pts. 2726 and 2727) URVEILLAr!CE CHECKS ARE AS REQUIRED? (Yes/fl0) p g p [- 0 p y] h' 7 UI1 J[g , TIME2 [)f7 [g 3 Tli1E PERFORMED BY: qgg gc ) o APPROVED BY: _ k..gg C 11.0 l099 339 ro e.swxs/Gwiura a/a _}}