ASTM E2619 / E2619M - 09e1

    Standard Practice for Measuring and Calculating Building Loss Features That Take Up Floor Area in Buildings

    Active Standard ASTM E2619 / E2619M | Developed by Subcommittee: E06.25

    Book of Standards Volume: 04.12


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    Significance and Use

    Use this practice to identify and measure the amount of actual and effective floor area that will be unavailable to occupants for the placement of peoples workplaces, furniture, and equipment or for circulation.

    Findings from use of this practice are intended for optional inclusion with reports of floor area measured in accordance with Practice E 1836/E 1836M or in accordance with ANSI/BOMA Z65.11996.

    this practice is not intended for use for regulatory purposes, nor for fire hazard assessment, nor for fire risk assessment.

    1. Scope

    1.1 This practice specifies how to measure certain characteristics of a building, known as building loss features, inside the exterior gross area of a floor and how to calculate the amount of actual and effective floor area that will be not be available for the placement of peoples workplaces, furniture, equipment, or for circulation, if using standard furnishings and orthogonal furniture systems.

    1.2 This practice can be used to specify a performance requirement to limit the amount of floor area that may be taken up by building loss features.

    1.3 This practice can be used to assess how well a design(s) for an office facility meets a performance requirement regarding floor area.

    1.4 This practice can be used to assess how well a constructed office building has met a performance requirement regarding floor area.

    1.5 This practice is not intended for and not suitable for use for regulatory purposes, fire hazard assessment, and fire risk assessment.

    1.6 Users of this practice should recognize that, in some situations, the amount of certain actual and effective floor area losses may be mitigated to some degree at some cost by custom-tailoring spaces and creating specially fitted furnishings and carpentry to get some value from space which would not otherwise be usable.

    1.7 The values stated in either 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 non-conformance with the standard.

    1.8 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 and health practices and determine the applicability of regulatory limitations prior to use.


    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

    E631 Terminology of Building Constructions

    E1836/E1836M Practice for Building Floor Area Measurements for Facility Management

    ANSI Standard

    ANSI/BOMAZ65.1&ndash Standard Method for Measuring Floor Area in Office Buildings

    Other Standards

    ASHRAE62.1–200 Ventilation for Acceptable Indoor Air Quality


    ICS Code

    ICS Number Code 91.010.30 (Technical aspects)

    UNSPSC Code

    UNSPSC Code 30161700(Flooring); 81120000(Economics)


    DOI: 10.1520/E2619_E2619M-09E01

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