UFGS 46 20 20 Sewage Bar Screen and Mechanical Shredder  

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
Feb-2011 A N

Superseding UFGS 22 13 23 Sewage Bar Screen and Mechanical Shredder without revision to comply with MF 2010