Start one continuous recording, then walk the site and just talk. Take a photo of each thing that matters — each photo marks a new zone. No forms during the walk; you'll review afterwards.
Sites that prohibit photography (healthcare, secure logistics): you can switch the camera off at any point during the walk — the recording keeps going.
On Start Walk your phone will ask once for microphone, camera and motion access. Grant all — they power the recording, in-app photos and floor-level sensing.
Before you walk: is there a fire-evacuation plan or building directory on the wall — usually by the lift lobby? Photograph it. It becomes this site's floor plan. If there isn't one, skip.