Multi-Storey Steel Buildings Part 7 - Model Construction Specification

Oct 24, 2026

Model Construction Specification for atypical multi-storey steel building projects, intended for use in contract documents. Provides standardized steelwork contract specification content across Europe and guidance for selecting appropriate standards for design, fabrication and erection. Covers structural steelwork designed to relevant Eurocode Standards and executed in line with applicable parts of EN 1090, with a complete set of model sections included in an appendix for direct contract copying.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages56

Reading Time2 h 21 min

AccessFree to download

FOREWORD

SUMMARY

1 INTRODUCTION

1.1 Scope

2 NORMATIVE REFERENCES

3 BASIS OF STRUCTURAL DESIGN

3.1 General assumptions according to EN 1990

4 ACTIONS ON STRUCTURES

4.1 Self-weight and imposed loads for buildings

4.2 Snow loads

4.3 Wind loads

4.4 Thermal actions

4.5 Actions during execution

4.6 Accidental actions

4.7 Seismic actions

5 DESIGN OF STEEL STRUCTURES

5.1 Rules for multi-storey buildings – EN 1993-1-1

5.2 Design of joints – EN 1993-1-8

5.3 Material toughness and through-thickness properties – EN 1993-1-10

5.4 Composite steel and concrete structures – EN 1994-1-1

6 EXECUTION SPECIFICATION

6.1 General

6.2 Execution classes

6.3 Preparation grades

6.4 Geometrical tolerances

7 CONSTITUENT PRODUCTS

7.1 Identification, inspection documents and traceability

7.2 Structural steel products

7.3 Welding consumables

7.4 Mechanical fasteners

7.5 Grouting materials

8 PREPARATION AND ASSEMBLY

8.1 Identification

8.2 Handling and storage

8.3 Cutting

8.4 Shaping

8.5 Holing

8.6 Assembly

9 WELDING

9.1 General

9.2 Qualification of welding procedures

9.3 Welders and welding operators

9.4 Welding coordination

9.5 Preparation and execution of welding

9.6 Acceptance criteria

10 MECHANICAL FASTENING

11 ERECTION

12 CONSTRUCTOR’S DOCUMENTATION

13 INTERFACES OF THE STEEL STRUCTURE

13.1 Interface to concrete surfaces

13.2 Interface to neighbouring constructions

Appendix A MODEL PROJECT SPECIFICATION

STEEL BUILDINGS IN EUROPE Multi-Storey Steel Buildings Part 7: Model Construction Specification Multi-Storey Steel Buildings Part 7: Model Construction Specification 7- ii FOREWORD This publication is the second part of the design guide, Multi-Storey Steel Buildings. The 10 parts in the Multi-Storey Steel Buildings guide are: Part 1: Architect’s guide Part 2: Concept design Part 3: Actions Part 4: Detailed design Part 5: Joint design Part 6: Fire Engineering Part 7: Model construction specification Part 8: Description of member resistance calculator Part 9: Description of simple connection resistance calculator Part 10: Guidance to developers of software for the design of composite beams Multi-Storey Steel Buildings is one of two design guides. The second design guide is Single-Storey Steel Buildings. The two design guides have been produced in the framework of the European project“Facilitating the market development for sections in industrial halls and low rise buildings (SECHALO) RFS2-CT-2008-0030”. The design guides have been prepared under the direction of Arcelor Mittal, Peiner Träger and Corus. The technical content has been prepared by CTICM and SCI, collaborating as the Steel Alliance. Contents Page No FOREWORD iii SUMMARY vii 1 INTRODUCTION 1 1.1 Scope 2 2 NORMATIVE REFERENCES 4 3 BASIS OF STRUCTURAL DESIGN 9 3.1 General assumptions according to EN 1990 9 4 ACTIONS ON STRUCTURES 10 4.1 Self-weight and imposed loads for buildings 10 4.2 Snow loads 10 4.3 Wind loads 11 4.4 Thermal actions 11 4.5 Actions during execution 11 4.6 Accidental actions 13 4.7 Seismic actions 14 5 DESIGN OF STEEL STRUCTURES 16 5.1 Rules for multi-storey buildings – EN 1993-1-1 16 5.2 Design of joints – EN 1993-1-8 17 5.3 Material toughness and through-thickness properties – EN 1993-1-10 17 5.4 Composite steel and concrete structures – EN 1994-1-1 18 6 EXECUTION SPECIFICATION 19 6.1 General 19 6.2 Execution classes 19 6.3 Preparation grades 19 6.4 Geometrical tolerances 19 7 CONSTITUENT PRODUCTS 21 7.1 Identification, inspection documents and traceability 21 7.2 Structural steel products 21 7.3 Welding consumables 21 7.4 Mechanical fasteners 21 7.5 Grouting materials 21 8 PREPARATION AND ASSEMBLY 22 8.1 Identification 22 8.2 Handling and storage 22 8.3 Cutting 22 8.4 Shaping 22 8.5 Holing 22 8.6 Assembly 22 9 WELDING 23 9.1 General 23 9.2 Qualification of welding procedures 23 9.3 Welders and welding operators 23 9.4 Welding coordination 23 9.5 Preparation and execution of welding 23 9.6 Acceptance criteria 25 10 MECHANICAL FASTENING 26 11 ERECTION 27 12 CONSTRUCTOR’S DOCUMENTATION 30 13 INTERFACES OF THE STEEL STRUCTURE 31 13.1 Interface to concrete surfaces 31 13.2 Interface to neighbouring constructions 32 Appendix A MODEL PROJECT SPECIFICATION 33 SUMMARY This guide is a Model Construction Specification to be used in contract documents for atypical construction project of a multi-storey building. Its main objectives are to achieve greater uniformity in steelwork contract specifications in Europe and to provide a guide to specification of appropriate standards for the design, fabrication and erection of steelwork structures for buildings. It deals with structural steelwork designed in accordance with applicable parts of the Eurocode Standards, to be executed in accordance with applicable parts of EN 1090. All the relevant Sections of the model specification are included in an appendix that can be directly copied and used in contracts, with any additional project-specific information that may be required. Part 7: Model Construction Specification

FAQs

What is the purpose of this Model Construction Specification for multi-storey steel buildings?

It provides model contract-document specification for atypical multi-storey steel building projects, aiming to increase uniformity of steelwork contract specifications in Europe and guide the standards used for design, fabrication and erection.

Which standards govern the design and execution of the structural steelwork?

The structural steelwork is designed in accordance with applicable parts of the Eurocode Standards, and it is executed according to applicable parts of EN 1090.

How is the specification intended to be used in contracts?

Relevant sections of the model specification are included in an appendix that can be directly copied into contract documents, with any needed additional project-specific information added.

Oct 24, 2026

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