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Repair Welding of Fusion Reactor Components

Description: Recent experimental investigations indicate that the repair welding of irradiated materials containing greater than 1 to 2.5 appm helium leads to catastrophic cracking in the heat affected zone of the weld. The high temperatures and cooling tensile stresses which occur during the welding process lead to enhanced helium bubble growth in the heat affected zone region, resulting in catastrophic cracking upon cooling. An investigation is proposed which seeks to determine the effect of stress state … more
Date: May 20, 1992
Creator: Chin, Bryan A.
Partner: UNT Libraries Government Documents Department
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Current nuclear industry practices with regard to the integration of surveillances

Description: Commercial nuclear industry practices regarding the integration of technical specification (TS) surveillance and maintenance activities are identified in this report. A questionnaire was developed and used to obtain current industry practices from NRC Regional personnel and INEL engineers with utility experience. Some of these practices indicate that the scheduling of TS surveillance and maintenance items could be more effectively coordinated. Also, must utilities do not formally consider risk … more
Date: April 1, 1992
Creator: Stewart, M. & Smith, C.
Partner: UNT Libraries Government Documents Department
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Validation issues in aging risk evaluations

Description: Validation issues in aging risk evaluations are examined by considering how variabilities and uncertainties due to sparse component aging data, modeling assumptions, and risk quantification approaches may affect aging risk evaluation results and inferences. Sensitivity studies using a NUREG-1150 PWR evaluated the effect of component aging data uncertainties and variations in test and maintenance frequencies on aging prioritizations. Preliminary results indicate that while individual component r… more
Date: January 1, 1992
Creator: Hassan, M.; Samanta, P. (Brookhaven National Lab., Upton, NY (United States)) & Vesely, W. (Science Applications International Corp., San Diego, CA (United States))
Partner: UNT Libraries Government Documents Department
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Draft 1992 : Operations, Maintenance, and Replacement 10-Year Plan.

Description: Two years ago, BPA released its first-ever Operations, Maintenance, and Replacement (OM R) 10-Year Plan. That effort broke new ground and was an extensive look at the condition of Operations, Maintenance, and Replacement on BPA's power system. This document -- the 1992 OM R 10-Year Plan -- uses that original plan as its foundation. It takes a look at how well BPA has accomplished the challenging task set out in the 1990 Plan. The 1992 Plan also introduces the Construction Program. Construction'… more
Date: May 1, 1992
Creator: United States. Bonneville Power Administration.
Partner: UNT Libraries Government Documents Department
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The development of code inservice inspection (ISI) requirements for Low Temperature Heavy Water Reactors (LTHWR)

Description: DOE Savannah River Field office requested that the American Society of Mechanical Engineers (ASME) develop rules for inservice inspection (ISI) of Savannah River Site (SRS) Low Temperature Heavy Water Reactors (LTHWR's) in January 1990. The request is part of the SRS Reactor Safety Improvement Program (RSIP). RSIP will implement an ASME B PV Code Section XI based ISI program after restart of K Reactor. The establishment of a Code based ISI program at SRS will affect a transition from a standing… more
Date: January 1, 1992
Creator: Cowfer, C.D.
Partner: UNT Libraries Government Documents Department
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Savannah River Laboratory monthly report, February 1992

Description: This report is a progress report for the Savannah River Laboratory for the month of February 1992. The progress and activities in six categories were described in the report. The categories are reactor, tritium, separations, environmental, waste management, and general. Each category described numerous and varied activities. Some examples of these activities described are such things as radiation monitoring, maintenance, modifications, and remedial action.
Date: February 1, 1992
Creator: Ferrell, J.M. (comp.) & Ice, L.W. (ed.)
Partner: UNT Libraries Government Documents Department
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Standard Review Plan Update and Development Program

Description: This implementing procedures document (IPD) was prepared for use in implementing tasks under the standard review plan update and development program (SRP-UDP). The IPD provides comprehensive guidance and detailed procedures for SRP-UDP tasks. The IPD is mandatory for contractors performing work for the SRP-UDP. It is guidance for the staff. At the completion of the SRP-UDP, the IPD will be revised (to remove the UDP aspects) and will replace NRR Office Letter No. 800 as long-term maintenance pr… more
Date: May 1, 1992
Partner: UNT Libraries Government Documents Department
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DOE solvent handbook information sheet

Description: Solvents and cleaners are used in the Department of Defense (DOD) and the Department of Energy-Defense Program (DOE-DP) maintenance facilities for removing wax, grease, oil, carbon, machining fluids, solder fluxes, mold releases, and other contaminants before repairing or electroplating parts. Private industry also uses cleaners and degreasers for surface preparation of various metals. Growing environmental and worker safety concerns have brought attention to these solvents and cleaners, most o… more
Date: January 1, 1992
Creator: Chavez, Angela A.
Partner: UNT Libraries Government Documents Department
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Pacific Northwest Laboratory Maintenance Implementation plan

Description: This Maintenance Implementation plan has been developed for Pacific Northwest Laboratory's (PNL) Nuclear Facilities: 306W, 324, 325, 327 and 329NMF. It is based on a graded approach, self-assessment of the existing maintenance program(s) per the requirements specified by US Department of Energy (DOE) Order 4330.4A, Chapter II, Change {number sign}3. The results of this assessment were evaluated to determine needed improvements in PNL Craft Services' current maintenance program. The objective of… more
Date: June 1, 1992
Creator: Bright, J.D.
Partner: UNT Libraries Government Documents Department
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Feasibility study: Application of RCM techniques for substation maintenance at the Bonneville Power Administration. [Reliability Centered Maintenance (RCM)]

Description: This feasibility study examines reliability centered maintenance (RCM) as it applies to Bonneville Power Administrations (BPA) substation maintenance program. Reliability techniques are examined in evaluated. Existing BPA equipment maintenance procedures are documented. Equipment failure history is considered. Economic impacts are estimated. Various equipment instrumentation methods are reviewed. Based on this analysis a prototype system is proposed. The prototype will be implemented in two pha… more
Date: May 28, 1992
Creator: Purucker, S. L.; Tonn, B. E.; Goeltz, R. T.; James, R. D.; Kercel, S.; Rizy, D. T. et al.
Partner: UNT Libraries Government Documents Department
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Effect of component aging on PWR control rod drive systems

Description: An aging assessment of PWR control rod drive (CRD) systems has been completed as part of the US NRC Nuclear Plant Aging Research (NPAR) Program. The design, construction, maintenance, and operation of the Babcock Wilcox (B W), Combustion Engineering (CE), and Westinghouse (W) systems were evaluated to determine the potential for degradation as each system ages. Operating experience data were evaluated to identify the predominant failure modes, causes, and effects. This, coupled with an assessme… more
Date: January 1, 1992
Creator: Grove, E.; Gunther, W. & Sullivan, K.
Partner: UNT Libraries Government Documents Department
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Tiger Team Assessment of the Ames Laboratory

Description: This report documents the Tiger Assessment of the Ames Laboratory (Ames), located in Ames, Iowa. Ames is operated for the US Department of Energy (DOE) by Iowa State University. The assessment was conducted from February 10 to March 5, 1992, under the auspices of the Office of Special Projects, Office of the Assistant Secretary of Environment, Safety and Health, Headquarters, DOE. The assessment was comprehensive, encompassing Environment, Safety, and Health (ES H) disciplines; management pract… more
Date: March 1, 1992
Partner: UNT Libraries Government Documents Department
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Effect of aging upon CE and B and W control rod drives

Description: The effect of aging upon the Babcock Wilcox (B W) and Combustion Engineering (CE) Control Rod Drive (CRD) systems has been evaluated as part of the US NRC Nuclear Plant Aging Research (NPAR) program. Operating experience data for the 1980--1990 time period was reviewed to identify predominant failure modes, causes, and effects. These results, in conjunction with an assessment of component materials and operating environment, conclude that both systems are susceptible to age degradation. System … more
Date: January 1, 1992
Creator: Grove, E. & Gunther, W.
Partner: UNT Libraries Government Documents Department
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Reliability Centered Maintenance for Savannah River Site's interim waste management facilities

Description: The application of Reliability Centered Maintenance (RCM) has been shown to be an effective means to optimize maintenance programs or to establish new programs. The key to success of any RCM program is to customize the methodology to meet the specific needs of the implementing organization. This paper discusses how RCM is being used to establish the preventive maintenance program and how the resulting system data is being used to support the Technical Baseline reconstitution effort for the inte… more
Date: January 1, 1992
Creator: Hauer, K.A. (Westinghouse Savannah River Co., Aiken, SC (United States)) & Wilson, J.F. (PRC, Inc. (US))
Partner: UNT Libraries Government Documents Department
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ORNL ALPHAMA MIS: User's manual

Description: ALPHAMA is a command-driven application that allows Martin Marietta Energy Systems, Inc., employees to maintain any System 1022 or 1032 database located on its Digital Equipment Corporation Inc., PDP-10 and VAX computers. Assisted by online Help, users can access a database, specify records of interest, and perform necessary maintenance. With ALPHAMA, they can add records, delete records, and/or change the value of attributes in existing records. This manual presents the various ALPHAMA command… more
Date: February 1, 1992
Creator: Ishee, J.S.; Haese, R.L.; Heatherly, R.D.; Hughes, S.E.; Lovin, J.K.; Pratt, S.M. et al.
Partner: UNT Libraries Government Documents Department
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Performance indicators, third quarter CY-1991

Description: Secretary of Energy Notice (SEN-29-91) directed that a Department- wide uniform system of Performance Indicators (PI's) for trending and analyzing operational data to help assess and support progress in improving performance and in strengthening line management control of operations relating to environmental safety, and health activities'' be developed. This Performance Indicator Report represents a compilation of data for the third quarter of calendar year 1991 for the following Lawrence Berke… more
Date: January 1, 1992
Partner: UNT Libraries Government Documents Department
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Genetic Tests and Health Insurance: Results of a Survey

Description: This background paper describes results from a 1991 OTA survey of U.S. health insurers’ attitudes toward genetic tests and genetic information— both how they currently view information from various sources (e.g., genetic tests, other medical tests, or family histories) in underwriting decisions and how they might reimburse consumers for genetic tests. It also reports data on the role health insurers expect genetic tests and genetic information will play in their business practices over the comi… more
Date: October 1992
Creator: United States. Congress. Office of Technology Assessment.
Partner: UNT Libraries Government Documents Department
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Phase I Water Rental Pilot Project : Snake River Resident Fish and Wildlife Resources and Management Recommendations.

Description: The Idaho Water Rental Pilot Project was implemented as a part of the Non-Treaty Storage Fish and Wildlife Agreement (NTSA) between Bonneville Power Administration and the Columbia Basin Fish and Wildlife Authority. The goal of the project is to improve juvenile and adult salmon and steelhead passage in the lower Snake River with the use of rented water for flow augmentation. The primary purpose of this project is to summarize existing resource information and provide recommendations to protect… more
Date: October 1, 1992
Creator: Riggin, Stacey H. & Hansen, H. Jerome
Partner: UNT Libraries Government Documents Department
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Federal Facility Agreement plans and schedules for liquid low-level radioactive waste tank systems at Oak Ridge National Laboratory, Oak Ridge, Tennessee

Description: Although the Federal Facility Agreement (FFA) addresses the entire Oak Ridge Reservation, specific requirements are set forth for the liquid low-level radioactive waste (LLLW) storage tanks and their associated piping and equipment, tank systems, at ORNL. The stated objected of the FFA as it relates to these tank systems is to ensure that structural integrity, containment and detection of releases, and source control are maintained pending final remedial action at the site. The FFA requires tha… more
Date: March 1, 1992
Partner: UNT Libraries Government Documents Department
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Liquid and Gaseous Waste Operations Department annual operating report, CY 1991

Description: This report discusses work at the Liquid and Gaseous Waste Operations Department of ORNL. An operating summary, upgrade activities and maintenance activities are presented for the Process Waste Treatment Plant, Nonradiological Wastewater Treatment Plant, and Runoff Treatment Facility.
Date: March 1, 1992
Creator: Maddox, J. J. & Scott, C. B.
Partner: UNT Libraries Government Documents Department
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Assessment of low activation materials

Description: Characteristics of neutron induced radioactivities for low activation materials in a deuterium-tritium fusion power reactor were investigated. The criteria for the assessment of low activation materials were reviewed. Candidate structural materials, namely vanadium alloy (V5CR5Ti), ferritic steel (modified HT9), and SiC composite material, and tungsten divertor material were considered in the evaluation. The assessment of these candidate materials for fusion reactor applications was made based … more
Date: January 1, 1992
Creator: Cheng, E.T. (TSI Research, Inc., Solana Beach, CA (United States))
Partner: UNT Libraries Government Documents Department
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Alternative Cask Maintenance Facility concepts, an update and reassessment

Description: The results of three trade-off studies of alternative concepts for performing cask maintenance for Civilian Radioactive Waste Management System casks are presented. An earlier study resulted in a recommendation that a submerged pool concept for cask internal component removal be used in the design of a Cask Maintenance Facility. The first trade-off study resulted in confirming the previous recommendation that a submerged pool concept be used rather than an isolation cell; the basis for this con… more
Date: January 1, 1992
Creator: Attaway, C. R.; Medley, L. B.; Williamson, A.; Pope, R. B. & Shappert, L. B.
Partner: UNT Libraries Government Documents Department
open access

Effective maintenance practices to manage system aging

Description: For a variety of economic and technical reasons, there has been a growing concern with the aging of complex systems and components and the role that maintenance can play in reducing this degradation. A study for the Nuclear Regulatory Commission was recently undertaken to identify effective maintenance practices that could be adapted by the nuclear industry in the United States to assist in managing the aging degradation of plant systems and components. Four organizations were examined to asses… more
Date: January 1, 1992
Creator: Chockie, A. & Bjorkelo, K.
Partner: UNT Libraries Government Documents Department
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Energy savings from operation and maintenance training for apartment boiler heating systems

Description: The Portland Energy Office provided operation and maintenance (O M) training to the operators of boiler heating systems for ten low-income apartment complexes in the Fall of 1990. This study tracked energy usage before and after O M training to see if savings occurred. Training was provided on both weatherized and non-weatherized apartments to find out if weatherization impacted the amount of O M savings to be obtained. Also, energy savings from the O M training and building shell weatherizatio… more
Date: February 1, 1992
Partner: UNT Libraries Government Documents Department
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