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 |
|---|---|---|---|---|---|
| May-2018 | A | May-2018 | R | Complete review and update. | |
| Feb-2017 | A | Feb-2017 | R | Total review and update including title change from SUBDRAINAGE SYSTEM | |
| Nov-2014 | A | Apr-2008 | C | 1 | Deleted reference to UFC and updated FAA reference per CCR 2805. |
| 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 |
