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Publish Date
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58
Legacy Title Key
UFGS 31 71 19 Tunnel and Shaft Excavation in Rock - Mechanical
Spec. Division
31 - Earthwork
CCR
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 |
|---|---|---|---|---|---|
| Nov-2022 | A | Nov-2022 | N |
New UFGS section. |
Comments
New UFGS section.
Submitted by klloyd@nibs.org on Thu, 05/29/2025 - 20:32
New UFGS section.