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 [ARCHIVED] |
|---|---|---|---|---|---|
| ACTION | N New | R Revision | C Change | D Deletion |
| Release | PA | Date | Action | Change # | Nature of Change or Revision |
|---|---|---|---|---|---|
| Feb-2021 | A | Feb-2021 | R | Superseding UFGS 32 84 23 UNDERGROUND SPRINKLER SYSTEMS without revision to comply with MF 2011 in response to CCR 2136. Nontechnical title change. | |
| Apr-2008 | A | Apr-2008 | R | Compliance with CSI SectionFormat | |
| Jul-2006 | A | Jul-2006 | R | Added reference to UFGS Section 03 40 00.00 10 Plant-Precast Concrete Products for Below Grade Construction |
