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June 14, 1996
Safety Parameter Display Systems for Chornobyl and Leningrad. A safety parameter display system automatically displays the status of a nuclear power plant's critical safety functions on a display console in the control room. This enables control room operators to pinpoint problems quickly and make informed, timely decisions. Russia's Kursk nuclear power plant (NPP) was the first plant chosen to receive a safety parameter display system. The second and third safety parameter display systems will be installed at the Chornobyl and Leningrad NPPs. During the week of June 10, 1996, representatives from Parsons Power, Westinghouse and RDIPE traveled to these two sites to begin developing memoranda of understanding with the plants and determining required variations in the design specifications to customize each system for the two sites. (Rich Denning, PNNL, 614-424-7412; Norm Fletcher, DOE, 301-903-3275)
Leningrad NPP Pipe Lathe. The International Nuclear Safety Program (INSP) project team members associated with the RBMK Maintenance Technology Transfer and Training project continue to improve their rapid response to requests from RBMK Maintenance Advisory Board members. An urgent request by a member of the Ignalina NPP RBMK Maintenance Advisory Board for a pipe lathe resulted in delivery of the pipe lathe 47 days after the initial request. Following a similar urgent request by a member of the Leningrad NPP Maintenance Advisory Board, a pipe lathe was delivered to Leningrad NPP on June 11, 1996. Turn around time on this request was 31 days from receipt of the requisition to delivery of the equipment to the plant.
The pipe lathe allows cuts and weld prepartion to be performed with the precision necessary for repair of main coolant piping. It was one of the technologies approved for acquisition by the project during the February 1996 Maintenance Advisory Board meetings in Charlotte, North Carolina. (Tom Vehec, PNNL, 509-372-4072)
Fire Hazard Analyses at Russian NPPs . The on-going fire hazard analysis at Balakova NPP and plans for fire hazard analyses at Smolensk NPP were topics of discussion when representatives from INSP met with representatives from Atomenergoprojekt, Rosenergoatom, and VNIIAES in Moscow on June 3 and 4, 1996. Because the Balakova fire hazard analysis began before the release of the draft Core Protection Evaluation Guidelines for Fires at Soviet-Designed Nuclear Power Plants, the Balakova analyses do not address all aspects of a safe shutdown analysis as performed in the United States. The participants discussed plans for an RBMK fire hazards analysis that probably will be performed at Smolensk NPP. This proposed analysis would begin with the application of the guidelines to perform a safe shutdown analysis and also include the probabilistic elements of the Balakova fire hazard analysis. A target date of October 1, 1996, was established to begin this study. (Rich Denning, PNNL, 614-424-7412; Chuck Ramsey, DOE, 301-903-5999)
VVER 1000 Meeting. Representatives of VVER 1000 reactors organized a meeting at VNIIAES the week of May 27-31, 1996 to discuss their work on developing emergency operating instructions (EOIs). Both Zaporozhye (Ukraine) and Balakovo (Russia) NPPs have developed verification and validation documents and have completed preliminary verification and validation on portions of revision 1 of the EOIs. Data from this verification and validation work has resulted in revisions to the EOIs. Kozloduy (Bulgaria) NPP has put together the initial team for their verification and validation work. Also in attendance at the meeting were representatives from Atomenergoprojekt, Gidropress, and the Kurchatov Institute. No U.S. representatives participated in this meeting.
Zaporozhye NPP has identified an organization to conduct independent EOI analysis and to verify analysis results from Gidropress. This organization has done preliminary calculations to compare the analysis results with real time events involving a pressurizer safety valve that remains open. The analysis work has already shown the need to broaden the scope of the initial list of required analysis.
One of the objectives of this meeting was to review the analysis performed thus far by Gidropress; however, this was not accomplished because there were no results available to review. Gidropress has now received the initial payments for analysis work from Balakovo and Kozloduy NPPs. This should provide sufficient funds for Gidropress to hire additional staff to perform the necessary analysis. Gidropress had originally requested all the funds prior to starting any analysis work. (Kent Faris, PNNL, 509-372-4068)
Smolensk NPP. Bechtel Power Corporation will provide 400 fire doors to Smolensk NPP. The fire doors are part of the fire protection upgrade project at Smolensk and are scheduled for delivery in September 1996. (Andrea Fernandez, PNNL, 509-375-2659)
Balakovo NPP Training Activities. Representatives from Balakovo NPP began a 2-week session at Sonalysts, Inc. facilities in Waterford, Connecticut. The objective of this training is to continue development of the simulator instructor training course, the electrical operations course, and the water chemistry technician course. The electrical operations course will be presented in July. (Sonja Haber, BNL, 516-344-3575)
Safety Parameter Display Systems for Chornobyl and Leningrad. See item under Russia.
VVER 440-213 EOI Development Working Group. Rivne NPP hosted a meeting of the VVER/440-213 EOI development working group on June 3-6, 1996. Staff from Rivne NPP presented a draft of their EOI development schedule. The work was reviewed by INSP representatives who made suggestions for areas of improvement. The concern with the schedule is the lack of resources assigned to the project. At present, Rivne staff working on EOI development for the Rivne VVER/440-213 units are doing so on their free time. Plant management has not committed to assigning resources to this or any other phase of the project. Rivne NPP staff signed a basic ordering agreement to facilitate future work efforts.
Kola and Rivne NPP staff submitted additional EOIs for review. This is laudable considering the lack of analysis work and lack of resource commitment at Rivne.
No progress was made on continuing negotiations with Gidropress to provide VVER/440-213 plants with the necessary analysis for continued EOI development. It is the opinion of the U.S. representatives that the VVER/440-213 EOI development effort would be better served by working with KFKI (Hungary), NRI-Rez (Czech Republic), and/or VUJE (Slovakia) for the necessary analysis work. Several factors support this opinion:
Computer Equipment for Energoprojekt. Computer equipment was purchased for use in conjunction with the probabilistic risk assessment training to be conducted by Scientech at Energoprojekt. The equipment was purchased June 6, 1996, with delivery scheduled for June 17, 1996. (Kerry Cullerton, PNNL, 509-375-2951)
IAEA Training Conference. INSP hosted representatives from Atomtechenergo, Balakovo NPP, Goscomatom, Khmelnytskyy NPP, Kozloduy NPP, Minatom, Rosenergoatom, and VNIIAES at the International Nuclear Energy Agency (IAEA) Design of Training Centers Conference. This forum gave host country participants a change to exchange ideas and lessons learned about establishing training centers in their countries. Staff from Balakovo and Khmelnytskyy NPP presented papers. (Sonja Haber, BNL,516-344-3575)
June 15-22 -- Brookhaven National Laboratory, Oak Ridge National
Laboratory, and Savannah River Site.
June 16-22 -- Richland, Washington.
June 17-21 -- Moscow, Russia.
June 21-July 2 -- Chornobyl NPP, Ukraine.
22-29 -- Crete, Greece.
*June 23-29 -- Darmstadt, Germany.
June 23-29 -- Moscow,
June 24-28 -- Khmelnytskyy NPP, Ukraine.
June 24-28 -- Kozloduy NPP,
June 24-29 -- Vilnius, Lithuania.
June 28-July 6 -- Moscow, Russia.
June 29-July 3 -- Moscow, Russia.
*July 8-19 -- Kozloduy NPP, Bulgaria.
July 8-22 -- Chornobyl
*July 15-17 -- Paris, France.
*July 15-19 -- Balakovo NPP,
*July 15-26 -- Chornobyl NPP, Ukraine.
July 19-August 3 -- Metsamor,
July 22-26 --
Brussels, Belgium, and Rivne NPP, Ukraine.
July 29-August 2 -- Metsamor NPP,
July TBD -- Kursk NPP,
August 26-30 --
Kola NPP, Russia.
August 26-30 -- Ignalina NPP, Lithuania.
September 9-13 -- Kozloduy NPP, Bulgaria.
November 4-8 -- Kozloduy NPP, Bulgaria.
November 4-8 -- Zaporizhzhya NPP,
18-22 -- Smolensk NPP, Russia.
December 9-13 -- Bohunice NPP, Slovakia.
Note: in the interest of providing a timely update on the Soviet-Designed-Reactor Safety Program, no formal document review of this weekly report has been conducted by DOE or PNNL.
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