Status
Retired / Superseded
Publish Date
Archived / Rescinded Date
Change Notice

<p>NASA reclassified this as fifth level; Renumbered/ Superseded by UFGS 23 31 13.00 40 Metal Ducts</p>

Legacy Title Key
UFGS 23 31 13 Metal Ducts

Comments

Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:30

Release
PA
NASA
Action
Revision
Section Date

Section References (SRF) update

Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:30

Release
PA
NASA
Action
Revision
Section Date

Section References (SRF) update

Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:30

Release
PA
NASA
Action
Revision
Section Date

Title changed from Ducts, Low Pressure; Section References (SRF) update

Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:30

Release
PA
NASA
Action
New
Section Date

Superseding UFGS 23 31 11.11 40 Duct, Low Pressure and UFGS 23 31 11.12 40 Ducts, Medium/High Pressure

Spec. Division
23 - Heating, Ventilating, and Air Conditioning

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

KEYPREPARING ACTIVITY (PA)A ArmyN NavyF Air ForceS NASA [ARCHIVED]
ACTIONN NewR RevisionC ChangeD Deletion
Release PA Date Action Change # Nature of Change or Revision
Feb-2011 N Feb-2009 D

NASA reclassified this as fifth level; Renumbered/ Superseded by UFGS 23 31 13.00 40 with same title
Note: The last published PDF version of this Section is available in the previous release in the <a href="https://www.wbdg.org/ffc/dod/unified-facilities-guide-specifications-uf… Archives</a>.
Feb-2009 N Feb-2009 R

Section References (SRF) update
Nov-2008 N Nov-2008 R

Section References (SRF) update
Aug-2008 N Aug-2008 R

Title changed from Ducts, Low Pressure; Section References (SRF) update
Apr-2008 N Apr-2008 N

Superseding UFGS 23 31 11.11 40 Duct, Low Pressure and UFGS 23 31 11.12 40 Ducts, Medium/High Pressure