C1.0-drw-set-june-2022.7z

The "June 2022" date suggests this is a specific , such as:

In standard construction and architectural practice, typically designates the Civil Engineering Site Plan or the first sheet of the Civil drawing set. What This File Likely Contains C1.0-drw-set-june-2022.7z

The final version released to contractors to begin work. The "June 2022" date suggests this is a