1.1 Scope of FprEN 1997-3(1) This document provides specific rules to be applied in the design and verification of geotechnical structures.1.2 Assumptions(1) This document is intended to be used in conjunction with EN 1990, which establishes principles and requirements for the safety, serviceability, robustness, and durability of structures, including geotechnical structures, and other construction works.NOTE Additional or amended provisions can be necessary for assessment of existing structures, see prEN 1990-2.(2) This document is intended to be used in conjunction with EN 1997-1, which provides general rules for the design and verification of geotechnical structures.(3) This document is intended to be used in conjunction with EN 1997-2, which gives provisions for determining ground properties from ground investigations.(4) This document is intended to be used in conjunction with the other Eurocodes for the design of geotechnical structures, including temporary geotechnical structures.