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DAF Glovebox Project Plan

Description: This document defines how the glovebox project will be managed and executed. It provides a path forward for establishing a glovebox capability in Building 341 of the DAF in time to meet JASPER programmatic requirements as the first user. Note that some elements of the glovebox project have been under way for some time and are more mature than others; other elements are being worked concurrently. This plan serves the following purposes: Assign organizational and individual responsibilities for bringing the glovebox capability online; Coordinate activities between organizations; Facilitate communication between project members and management; and Identify the mechanisms used to manage and control the project. The scope of this plan includes all activities conducted to achieve project objectives, culminating in DOE/NV approval to operate. This plan does not address the issues associated with the steady-state operation of the glovebox.
Date: November 14, 2000
Creator: Martinez, M. W. & Higgs, R. L.
Partner: UNT Libraries Government Documents Department

Damage Detection and Identification of Finite Element Models Using State-Space Based Signal Processing a Summation of Work Completed at the Lawrence Livermore National Laboratory February 1999 to April 2000

Description: Until recently, attempts to update Finite Element Models (FEM) of large structures based upon recording structural motions were mostly ad hoc, requiring a large amount of engineering experience and skill. Studies have been undertaken at LLNL to use state-space based signal processing techniques to locate the existence and type of model mismatches common in FEM. Two different methods (Gauss-Newton gradient search and extended Kalman filter) have been explored, and the progress made in each type of algorithm as well as the results from several simulated and one actual building model will be discussed. The algorithms will be examined in detail, and the computer programs written to implement the algorithms will be documented.
Date: April 28, 2000
Creator: Burnett, G.C.
Partner: UNT Libraries Government Documents Department

Effective cleanup at LLNL: innovative technologies and approaches

Description: At the Lawrence Livermore National Laboratory (LLNL) Livermore Site Superfund Site, ground water restoration efforts have been ongoing since 1989. Based on plans committed to by DOE in the Record of Decision (ROD) for the Site in 1992, ground water cleanup was predicted to take 61 years. What began as conventional pump and treat has evolved into an effective Engineered Plume Collapse strategy that employs a well-stocked tool box of remediation technologies, processes, and methodologies. This �tool box� approach has proven effective in solving the vexing problem of restoring the chlorinated volatile organic compound (CVOC) contaminated aquifers beneath the site. The Engineered Plume Collapse strategy has been used to hydraulically control the plumes on the western and southern boundaries of the site, doubled the pounds of CVOC removed from the subsurface compared to predictions in the ROD plans, and �collapsed� offsite plumes. The three major components of the Engineered Plume Collapse strategy are: (1) collection and use of historical and current chemical and hydrogeologic data to accurately identify areas of contamination in the subsurface and guide decisions about on-going remediation needs, (2) design, construction and operation of small, portable, and inexpensive ground water treatment units to implement pump and treat and collapse contaminant plumes back to their source areas, and (3) effective use of more energetic contaminant mass removal technologies in source areas, such as chemical oxidation, reductive dehalogenation, steam stripping, and electro-osmosis.
Date: November 12, 1998
Creator: Angleberger; Brown, M G; K & Lamarre, A
Partner: UNT Libraries Government Documents Department

Environmental impact report addendum for the continued operation of Lawrence Livermore National Laboratory

Description: An environmental impact statement/environmental impact report (ES/EIR) for the continued operation and management of Lawrence Livermore National Laboratory (LLNL) was prepared jointly by the U.S. Department of Energy (DOE) and the University of California (UC). The scope of the document included near-term (within 5-10 years) proposed projects. The UC Board of Regents, as state lead agency under the California Environmental Quality Act (CEQA), certified and adopted the EIR by issuing a Notice of Determination on November 20, 1992. The DOE, as the lead federal agency under the National Environmental Policy Act (NEPA), adopted a Record of Decision for the ES on January 27, 1993 (58 Federal Register [FR] 6268). The DOE proposed action was to continue operation of the facility, including near-term proposed projects. The specific project evaluated by UC was extension of the contract between UC and DOE for UC`s continued operation and management of LLNL (both sites) from October 1, 1992, through September 30, 1997. The 1992 ES/EIR analyzed impacts through the year 2002. The 1992 ES/EIR comprehensively evaluated the potential environmental impacts of operation and management of LLNL within the near-term future. Activities evaluated included programmatic enhancements and modifications of facilities and programs at the LLNL Livermore site and at LLNL`s Experimental Test Site (Site 300) in support of research and development missions 2048 established for LLNL by Congress and the President. The evaluation also considered the impacts of infrastructure and building maintenance, minor modifications to buildings, general landscaping, road maintenance, and similar routine support activities.
Date: October 1, 1996
Creator: Weston, R. F.
Partner: UNT Libraries Government Documents Department

Atmospheric release advisory capability: year 2000 documentation

Description: This checklist provides the minimum requirements to be met for the IV and V of Y2K compliance for each mission-critical system. However, please note that other important items specific to your Program, Field or Site Offices, or Laboratory may not be adequately addressed by this checklist. Consequently, it is the responsibility of each Local Y2K Project Coordinator to ensure that due diligence has been conducted, whereby every reasonable effort has been made to assure Y2K compliance, and these efforts have been documented. Additional requirements should be jointly reviewed and agreed to by the System Owner and the IV and V agent prior to its execution. The IV and V agent should undertake the activities necessary to address all items as thoroughly as possible. The System Owner should identify and be ready to provide access to any documents that will help in the IV and V process, such as requirement definition documents, test plans, test results, etc.
Date: June 1, 1999
Creator: Walker, H
Partner: UNT Libraries Government Documents Department

Process diagnostics for precision grinding brittle materials in a production environment

Description: Precision grinding processes are steadily migrating from research laboratory environments into manufacturing production lines as precision machines and processes become increasingly more commonplace throughout industry. Low-roughness, low-damage precision grinding is gaining widespread commercial acceptance for a host of brittle materials including advanced structural ceramics. The development of these processes is often problematic and requires diagnostic information and analysis to harden the processes for manufacturing. This paper presents a series of practical precision grinding tests developed and practiced at Lawrence Livermore National Laboratory that yield important information to help move a new process idea into production.
Date: April 1, 1999
Creator: Blaedel, K L; Davis, P J & Piscotty, M A
Partner: UNT Libraries Government Documents Department

Experimentally Determined Coordinates for Three MILS Hydrophones Near Ascension Island

Description: We conducted an airgun survey in the waters of Ascension Island in May 1999 to determine new locations and depths for three Missile Impact Location System (MILS) hydrophones (ASC23, ASC24, and ASC26) currently in use by the Prototype International Data Center (PIDC) and the National Data Center (NDC). The nominal and new locations are summarized in Table 1. Although not rigorous, errors in the new locations and depths are conservatively estimated to be less than 100 m. The hydrophones are either on or near the ocean bottom in all three cases. The new depths are consistent with the following: Direct-phase airgun arrivals; Bathymetry determined along the track of the ship used for this airgun survey; Reflected phases from the airgun data; and Depths given in the original hydrophone installation report.
Date: November 19, 1999
Creator: Harben, P. E.; Hollfelder, J. R. & Rodgers, A. J.
Partner: UNT Libraries Government Documents Department

Assessing measurement control: experiences with nondestructive assay methods

Description: Demonstration of stability or control of a measurement process over time is often required for critical processes. Measurement control is monitored by calculating measurement errors for a collection of comparison standards over time and producing a Shewhart control chart. However, measurement errors inherently occur one-at-a-time and not in batches. Additionally there is often a non-deterministic drift in the mean measurement error. These facts make it challenging to develop warning and alarm limits for a control chart. Previous studies have suggested using the mean squared successive difference to estimate the variance of one-at-a-time data. This technique can also reduce or eliminate estimation bias due to a fluctuating mean. Application of a control charting methodology based on the mean squared successive difference is demonstrated using data from the nondestructive assay of nuclear materials, and the performance and potential limitations of the method are explored.
Date: August 11, 1997
Creator: Glosup, J., LLNL
Partner: UNT Libraries Government Documents Department