UFGS 09 51 00 Acoustical Ceilings  

History: Below is a listing of the Revisions and Changes made to this UFGS.

KEY PREPARING ACTIVITY (PA) A Army N Navy F Air Force S NASA
ACTION N New R Revision C Change D Deletion
Release PA Action Change # Nature of Change or Revision
Nov-2018 A C 2

Added requirements for suspension systems materials in high humidity and ESC C3-C5 locations.

Aug-2018 A C 1

Sustainability updates required to coordinate with the Federal Codes and DoD policies and procedures.

Aug-2017 A R

Complete review and update including sustainability updates, formatting to meet UFC 1-300-02, reference updates and general revisions.

Aug-2010 A R

Added GEI or SCS certification; CCRs 3579 and 3580; Revised system

Oct-2007 A R

Updated seismic criteria

Oct-2006 A R

EPA recycling

Jul-2006 A R

Added sustainable design requirements