UFGS 33 56 13.15 Undertank Interstitial Space  

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 N D

Superseded by UFGS 33 56 21.18 SINGLE WALL POL TANK UNDERTANK INTERSTITIAL SPACE.
Note: The last published PDF version of this Section is available in the previous release in the UFGS Archives.

Aug-2015 N R

UFGS has been revised throughout. Modifications included references and requirements for the following in accordance with the update of DoD Aboveground Storage Tank Standard AW 78-24-27: geotextile fabric, geotextile filter fabric and sand cushions.

May-2012 N N

New section