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    ASTM F2682 - 07(2018)

    Standard Guide for Determining the Buoyancy to Weight Ratio of Oil Spill Containment Boom

    Active Standard ASTM F2682 | Developed by Subcommittee: F20.11

    Book of Standards Volume: 11.08

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    Significance and Use

    4.1 This guide describes a method of determining the buoyancy to weight ratio of spill response booms. The principle is based on Archimedes Law, which states that a body either wholly or partially immersed in a fluid will experience an upward force equal and opposite to the weight of the fluid displaced by it.

    4.2 Unless otherwise specified, when used in this guide, the term buoyancy to weight ratio (B/W ratio) refers to the gross buoyancy to weight ratio. Buoyancy is an indicator of a spill response boom’s ability to follow the water surface when exposed to current forces, fouling due to microbial growth (which adds weight), and wave conditions. Surface conditions other than quiescent will have an adverse effect on collection or containment performance. When waves are present, conformance to the surface is essential to prevent losses. Minimum buoyancy to weight ratios for oil spill containment booms are specified in Guide F1523 for various environmental conditions.

    4.3 This guide provides the methodology necessary to determine the buoyancy to weight ratio using a fluid displacement method. This method is typically applied to booms having relatively low B/W ratios (in the range of 2:1 to 10:1). Booms with greater buoyancies may also be tested in this manner. It is acceptable to use calculation methods to estimate boom displacement for booms with buoyancies greater than 10:1, where the potential error in doing so would have a less significant effect on performance.

    4.4 When evaluating the B/W ratio of a spill response boom, consideration must be given to the inherent properties of the boom that may affect the net B/W ratio while in use. These considerations include, but are not limited to, absorption of fluids into flotation materials, membranes that are abraded during normal use, and entry of water into components of the boom.

    The entry of water into boom components is of particular concern with booms that contain their flotation element within an additional membrane. (This is the case for many booms that use rolled-foam flotation and relatively lightweight material for the boom membrane.) It is also important for booms that have pockets that enclose cable or chain tension members or ballast. When new, the membrane enclosure may contain air that would result in increased buoyancy. In normal use, the membrane material may be easily abraded such that it would no longer contain air, and water would be allowed in at abrasion locations. For such booms, the membrane enclosure shall not be considered as part of the flotation of the boom, and the membrane shall be intentionally punctured to allow water to enter during the test procedure.

    1. Scope

    1.1 This guide describes a practical method for determining the buoyancy to weight (B/W) ratio of oil spill containment booms.

    1.2 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 limitations prior to use.

    1.3 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.

    ASTM Standards

    F818 Terminology Relating to Spill Response Booms and Barriers

    F1523 Guide for Selection of Booms in Accordance With Water Body Classifications

    ICS Code

    ICS Number Code 13.060.99 (Other standards related to water quality)

    UNSPSC Code

    UNSPSC Code 76131700(Oil spill cleanup)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/F2682-07R18

    Citation Format

    ASTM F2682-07(2018), Standard Guide for Determining the Buoyancy to Weight Ratio of Oil Spill Containment Boom, ASTM International, West Conshohocken, PA, 2018, www.astm.org

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