The Normes Sia 118 were first published in 1977 and revised in 1991. In 2013, a new edition of the Normes Sia 118 was released, which introduced several changes and updates to reflect the current practices and legal developments in the construction industry. Some of the main modifications are:
The introduction of a distinction between unit prices, global prices, and lump-sum prices, and the clarification of their respective effects on the contract.
The specification of the conditions and procedures for subcontracting and co-contracting.
The extension of the deadline for notifying defects from one to two years after the acceptance of the work.
The simplification and harmonization of the rules for calculating interest and damages.
The incorporation of the principles of good faith, loyalty, and respect for intellectual property rights.
The Normes Sia 118 are available in French, German, and Italian languages. They can be ordered from the SIA website or downloaded as PDF files from various online sources . However, it is important to note that only the official printed version of the Normes Sia 118 is legally binding and that any electronic copies may not be up to date or accurate.
The Normes Sia 118 are widely used and recognized as a standard reference in Switzerland and abroad. They provide a clear and comprehensive framework for the contractual relations between the parties involved in construction projects. They also contribute to ensuring the quality, safety, and sustainability of the built environment.
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