on a construction site
On l'attend sur un chantier, il doit s'en occuper aujourd'hui.
They’re expecting him at a construction site; he has to take care of it today.
— Andhadhun (2018)
I work on a construction site.
Shanu et Pooja travaillaient sur un chantier.
Shanu and Pooja were working on a construction site.
— Article 15 (2019)