ASTM A750-77(1994)e1

    Withdrawn Standard: ASTM A750-77(1994)e1 Standard Specification for Steel Air Ventilating Grille Units for Detention Areas (Withdrawn 2004)

    Developed by Subcommittee: F33.02

    WITHDRAWN, NO REPLACEMENT

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    Withdrawn Rationale:

    This specification applies to air ventilating grille units for detention areas, assembled in part from materials conforming to Specifications A 627, A 628, and A 629.

    This specification is being withdrawn due to lack of interest and support for continued use.

    Formerly under the jurisdiction of Committee F33 on Detention and Correctional Facilities, this specification was withdrawn in April 2004.

    1. Scope

    1.1 This specification applies to air ventilating grille units for detention areas, assembled in part from materials conforming to Specifications A627, A628, and A629.

    1.2 The assemblies described herein are intended to provide two types of security, designated Type A and Type B.

    1.2.1 Type A -A ventilation unit, utilizing homogeneous TR steel bars for the principal security component.

    1.2.2 Type B -A ventilation unit utilizing perforated tool-resisting steel plate for the principal security component.

    1.3 It is presumed that equipment manufacturers will fabricate and assemble the materials so as not to impair the performance characteristics specified in the applicable material specifications.

    1.4 The descriptions herein of certain assemblies are not intended to infer that other assemblies cannot be used to obtain similar results.


    DOI: 10.1520/A0750-77R94E01

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