UFGS 23 37 23.00 40 HVAC Gravity Ventilators  

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-2008 S D

Superseded by UFGS 07 72 00 Roof Ventilators, Gravity-Type (Preparing Activity USACE).
Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.

Aug-2008 S R

Section References (SRF) update

Apr-2008 S R

Section References (SRF) update

Jul-2007 S R

Reference Update

Jun-2006 S R

Title changed from GRAVITY VENTILATORS; Section References (SRF) updated