Contractors who've only ever bid 'a cleaning line item' are often surprised that a post-construction clean is really three separate jobs. Scoping them separately is how you avoid paying for a final detail when the trades aren't even finished.
The rough clean happens after the major trades wrap: debris hauled, gross dust knocked down, and the space made safe and workable for the finish trades. It's not a detail, it's a reset, and it keeps the next crews from tracking mess into fresh work.
The final clean is the one people picture: every surface wiped, fixtures polished, glass cleared of film and stickers, floors finished, and the whole space brought to inspection standard. This is the phase that decides whether your CO walkthrough goes smoothly.
The touch-up clean is a short pass right before the owner or tenant takes the keys, clearing the fingerprints and dust that settle in the days between final clean and handover. On a tight schedule it's optional; on a flagship space it's the difference between good and flawless. Scope all three, or just the ones your timeline needs, and you only pay for the work the site actually requires.