UFGS 33 56 21.17 Single Wall Aboveground Fixed Roof Steel POL Storage Tank  

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-2020 N C 1

Updated Reference Article and paragraphs "Weld Inspector Certification" (1.9.4), "Qualifications of API Std 653 Inspector" (1.9.7), "Mechanical Tape Level Gauge" (2.13.5) to clarify and incorporate CCRs.

Nov-2018 N R

Complete review and update including new Section number and title; Superseding UFGS 33 56 13.13 STEEL TANKS WITH FIXED ROOFS (Aug-15)