Spalling above intact near-surface aggregate particles?
Defects are evaluated in accordance with applicable legislation, rather than on the basis of technical rules and standards. The legal basis is the construction contract that the ordering party/client enters into with the contractor. Even if the contractor procures the treads subject to the complaint as prefabricated elements from a precast plant based on a purchase agreement pursuant to sections 651 and 433 BGB (Bürgerliches Gesetzbuch; German Civil Code), the installation of the stair in front of the house takes place on the basis of a contract for work (pursuant to section 631 et seq. BGB,...