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8' NUCLEAR REGULATORY COMMISSION n
f WASHINGTON. o. C. 20555
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.i MEMORANDUM FOR: NRC/Ouke Power Meeting Attendees
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FROM:
Edward L. Jordan, Director 1
Division of Emergency Preparedness j
and Engineering Response 1
Office of Inspection and Enforcement 4
SUBJECT:
HIGHLIGHTS OF MAY 8, 1984 MEETING ON EMERGENCY j
RESPONSE DATA SYSTEM DEVELOPMENT 1
1 Attendees:
Duke Power:
M. Glover NRC:
E. Jordan
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R. Harris
&W-R. Leonard K. Perkins j
G. Meritt
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G. Rogers A meeting was held at the McGuire Nuclear Station to discuss Duke Power Company's capabilities for and experience with electronic data transfer during nuclear emergencies.
The primary purpose of the meeting was to explore the feasibility of utilizing the Duke system to assist the NRC in developing plans for electronic 3
data acquisition from other facilities.
The following are the highlights from the subject meeting:
4 1.
The Duke data transmittal system was explained.
It draws from a data table O
of 8000 parameters maintained by the plant's Operator Aid Computer. During I
normal operation, these points are logged in the computer memory every quarter hour, with a 24 to 48 hour5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> record maintained for retrieval, as required.
Reports containing (up to) any 252 of these parameters can be generated for transmission offsite.
The report can draw from the current data table or any of the 15 minute interval " snapshots" previously logged.
2.
During an event, a Duke technician generates reports of 60 standard parameters 9
plus any additional parameters specifically requested.
After manual transfer j
by diskette to the Station VAX, local printing and verification, these reports i
,J are taleased as " electronic ma,il" to other terminals on the plant and corporate j
headquarters VAXs.
NRC Headquarters and Region II offices are assigned users Q
in the corporate VAX.
Data transmission would begin when the EOF is manned, i
j from 20 to 60 minutes after an Alert is declared.
Time to prepare and transmit l
each report is 2 minutes or greater.
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3.
NRC explained its role during emergencies at nuclear plants.
That role is to provide for the health and safety of the public, by maintaining cogni-zance of the plant status and the extent of the threat that it poses so as q
to ensure that appropriate protective action recommendations are made to
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State and local governments.
This role is very similar to that played by the licensee's EOF.
Consequently, NRC believes that the electronic data transmission systems used by licensees to appraise their EOFs of plant 1
status would contain the parameters essential to NRC's role.
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l 4.
NRC has found that its present system (ENS voice transmission of manually 1
acquired data) is saturated with transmission of approximately 12 parame-
.l ters every 15 minutes.
In addition, the error rate of this method has i
proven unacceptably high.
The ENS voice link has also been burdensome to q
plant operators in the period before the EOF is manned, i
5.
NRC solicited Duke's assistance in developing a capability for electronic
'l transmission of emergency response data from nuclear facilities to NRC
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Headquarters.
In particular, NRC requested that Duke participate in a limited exercise using the Duke data transmittal system, with a fixed f
parameter list, to simulate the data stream that might be obtained from I
an SPDS.
l 6.
In response to Duke's concerns regarding the potential for additional i
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requirements which might come out of the NRC's development program, NRC j (-)
staff explained that they are considering the feasibility of a data j
acquisition capability that would not necessitate any significant back-fitting or additional regulatory requirements.
In the case of the Duke i
plants, NRC would seek to maintain the ability to use the existing Duke j
system to obtain those parameters on NRC's list. 'For other plants, those j
parameters which are on NRC's list and are available on an SPDS (or d
equivalent) would be taken in the licensee's format, and any other i
parameters on the NRC's list would be acquired by voice over the ENS.
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?j with a prior test of data transfer on July 12.
NRC will exercise the 7.
Duke agreed to participate in the limited exercise with NRC on July 19 Reactor Safety Team and Protective Measures Team.
The Data Transmission e
J System, ENS, HPN, RST Counterpart, and PMT Counterpart communications j
links will all be employed in the exercise.
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- i 8.
Duke provided a scenario for the McGuire plant and agreed to provide electronic data transmission at 15 minute intervals for 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.
1j 9.
It was agreed that control of the exercise would be provided from Bethesda, i
7 Maryland.
Duke will provide at least one individual knowledgeable in
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McGuire's operations to answer questions from the RST and PMT.
NRC will j
provide additional personnel to man the " Plant" end of communication links, so as to minimize the impact on the company. Duke may have addi-
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tional personnel observe the exercise, as they see fit.
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,j NRC/ Duke Power Meeting Attendees MAY 17 $84 kq 3ii a
1 10.
Duke (Greg Rogers) will meet with NRC in Bethesda on May 18 to train NRC
.j staff on the electronic data transmittal capability, and discuss the 1
parameter list.
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11.
Duke suggested that Greg Rogers (704-373-6140) be their contact for j
hardware related matters and that Ron Harris be the contact for scenario matters.
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j dward L. Jor an, Director 1
i Division of mergency Preparedness 1
and Engineering Response Office of Inspection and Enforcement e
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a Addressees for Memorandum dated: MAY 151984 l
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1f R" E. Jordan, IE j
G. Holahan, NRR /*6/r a**
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/ E. Throm, NRR ~
- j d R. Woodruff, IE 1
M. Hawkins,.IE 3
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n S. Long, IE D. Marksberry, IE i
B. Zaleman, IE 1*
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