UL 723S
Outline of Investigation for Drop-Out Ceilings Installed Beneath Automatic Sprinklers

DETAILS
Edition Number:3SCC Approved:--
Edition Date:2006-12-05DOD Approved: --
Price Code:AANSI Approved: --
Type:outline

  • SCOPE

    1 Scope

    1.1 These requirements cover drop-out ceilings assemblies intended for installation beneath sprinklers. During fire conditions, the drop-out ceiling panels are intended to drop from their supports to expose the sprinklers to the fire.

    1.2 Drop-out ceilings covered by these requirements are intended to be installed in accordance with Section 4-4.16 in the Standard for the Installation of Sprinkler Systems, NFPA 13.

  • TABLE OF CONTENTS
    Expand All

    • Outline Title Page
    • Table of Contents
      • Body
        • GENERAL
          • 1 Scope
        • PERFORMANCE
          • 2 General
          • 3 Fire Exposure Test
            • 3.1 Facilities
            • 3.2 Control tests
            • 3.3 Drop-out ceiling tests
            • 3.4 Acceptance criteria