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-2021 | A | Nov-2015 | C | 2 | Updated subpart 2.7.3.4.4 in response to CCR 7146. |
| Nov-2020 | A | Nov-2015 | C | 1 | Updated ADA sensor height requirement in subpart 3.1.7.1 in response to CCR 7477. |
| Nov-2015 | A | Nov-2015 | N | Superseding UFGS 23 09 23 LONWORKS DIRECT DIGITAL CONTROL FOR HVAC AND OTHER BUILDING CONTROL SYSTEMS and UFGS 23 09 23.13 20 BACnet DIRECT DIGITAL CONTROL SYSTEMS FOR HVAC |
