Questione giuridica chiave
Whether the contract fixed a lump-sum price under Art. 373 OR or remuneration under Art. 374 OR.
Decisione estratta
The parties had agreed on remuneration based on the value of the work and the contractor's expenses under Art. 374 OR, not a fixed lump-sum price.
Motivazione estratta
The Federal Supreme Court was bound by the lower court's factual finding of the parties' actual common intent; no admissible challenge to that finding was established.