Steel Buildings in Europe

Part 10: Model Construction Specification 10 - 41 Proposed Clauses Commentary (Optional clause in case a simplified approach for determining the fatigue loads is favoured) 4.7.10 - The class of load spectrum for all tasks of the crane shall be: (specify class from Q 0 to Q 5 ); - The class of total number of working cycles (U 0 to U 9 ) during the design life of the crane shall be: (specify class from U 0 to U 9 ); - The crane classification shall be: (specify class from S 0 to S 9 ) If the crane classification is not included in the crane supplier specification, reference can be made to Annex B (informative) of EN 1991-3. 4.7.11 The partial factor for actions on crane supporting structures to be taken in serviceability limit states shall be equal to: (specify factor value) Clause A.3.2(1) of normative Annex A of EN 1991-3 Otherwise, this partial factor should be taken as 1,0. 4.8 Seismic actions 4.8.1 The Importance Class of the project shall be ... Table 4.3 of EN 1998-1. Ordinary buildings (other than schools, fire stations, power plants, hospitals, etc.) correspond to Importance Class II; 4.8.2 The Ground Type shall be as specified on the relevant documents. Table 3.1 of EN 1998-1. Depending on the particular conditions of the project, contract documents should specify whether ground investigations and/or geological studies should be performed to identify the ground type; 4.8.3 The seismic zone of the project shall be.... According to the zonation map, decided by the National Authority, and found in the National Annex of EN 1998-1 4.8.4 Earthquake resistant steel building shall be designed according to ... concept DCL, DCM or DCH. 5. DESIGN OF STEEL STRUCTURES 5.1 General rules 5.1.1 To ensure durability, the building and its components shall either be designed for environmental actions (and fatigue if relevant) or else protected from them. § 2.1.3.3(1)B of EN 1993-1-1. 5.1.2 The effects of deterioration of material and corrosion (and fatigue where relevant) shall be taken into account by appropriate choice of material (see EN 1993-1-4 and EN 1993-1-10), and details (see EN 1993-1-9), or by structural redundancy and by the choice of an appropriate protection system. § 2.1.3.3(2)B of EN 1993-1-1. 5.1.3 For the following components, the possibility of their safe replacement shall be verified as a transient design situation (insert list of the components of the building that need to be replaceable) § 2.1.3.3(3)B of EN 1993-1-1.