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Significance and Use
4.1 Radiation Shielding Window Components:
4.1.1 Radiation shielding window components operability and long-term integrity are concerns that originate during the design and fabrication sequences. Such concerns can only be addressed, or are most efficiently addressed, during one or the other of these stages. The operability and integrity can be compromised during handling and installation sequences. For this reason, the subject equipment should be handled and installed under closely controlled and supervised conditions.
4.1.2 This standard is intended as a supplement to other standards and to federal and state regulations, codes, and criteria applicable to the design of radiation shielding window components.
1.1.1 The intent of this standard is to provide guidance for the design, fabrication, quality assurance, inspection, testing, packaging, shipping, installation, and maintenance of radiation shielding window components. These window components include wall liner embedments, dry lead glass radiation shielding window assemblies, oil-filled lead glass radiation shielding window assemblies, shielding wall plugs, barrier shields, view ports, and the installation/extraction table/device required for the installation and removal of the window components.
1.2.1 This standard is intended for those persons who are tasked with the planning, design, procurement, fabrication, installation, and operation of the radiation shielding window components that may be used in the operation of hot cells, high level caves, mini-cells, canyon facilities, and very high level radiation areas.
1.2.2 This standard applies to radiation shielding window assemblies used in normal concrete walls, high-density concrete walls, steel walls and lead walls.
1.2.3 The values stated in SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard. Common nomenclature for specifying some terms; specifically shielding, uses a combination of metric units and inch-pound units.
1.2.4 This standard identifies the special information required by the Manufacturer for the design of window components. shows a sample list of the radiation source spectra and geometry information, typically required for shielding analysis. shows a detailed sample list of specific data typically required to determine the physical size, glass types, and viewing characteristics of the shielding window, or view port. shows general window configuration sketches. Blank copies of and are found in the respective Annexes for the Owner–Operator's use.
1.2.5 This standard is intended to be generic and to apply to a wide range of configurations and types of lead glass radiation shielding window components used in hot cells. It does not address glovebox, water, X-ray glass, or zinc bromide windows.
1.2.6 Supplementary information on viewing systems in hot cells may be found in Guides and .
1.3.1 Consideration shall be given when preparing the shielding window designs for the safety related issues discussed in the Hazard Sources and Failure Modes, Section ; such as dielectric discharge, over-pressurization, radiation exposure, contamination, and overturning of the installation/extraction table/device.
1.3.2 In many cases, the use of the word “shall” has been purposely used in lieu of “should” to stress the importance of the statements that have been made in this standard.
1.3.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory requirements prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A27/A27M Specification for Steel Castings, Carbon, for General Application
A36/A36M Specification for Carbon Structural Steel
A48/A48M Specification for Gray Iron Castings
A240/A240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A747/A747M Specification for Steel Castings, Stainless, Precipitation Hardening
C859 Terminology Relating to Nuclear Materials
C1533 Guide for General Design Considerations for Hot Cell Equipment
C1661 Guide for Viewing Systems for Remotely Operated Facilities
D1533 Test Method for Water in Insulating Liquids by Coulometric Karl Fischer Titration
E165/E165M Practice for Liquid Penetrant Examination for General Industry
E170 Terminology Relating to Radiation Measurements and Dosimetry
E2024 Test Methods for Atmospheric Leaks Using a Thermal Conductivity Leak Detector
American Concrete Institute (ACI) StandardsACI C-31 Seismic Requirements
ICS Number Code 13.280 (Radiation protection)
UNSPSC Code 26142311(Radiation shielding windows); 26141807(Hot cell lead glass windows)
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ASTM C1572 / C1572M-18, Standard Guide for Dry Lead Glass and Oil-Filled Lead Glass Radiation Shielding Window Components for Remotely Operated Facilities, ASTM International, West Conshohocken, PA, 2018, www.astm.orgBack to Top