Hans Sommer 
Project Management for Building Construction 
35 Years of Innovation at Drees & Sommer

Preface Construction has turned into an ever more complex At major structural engineering projects, project mesh of relationships between increasingly accelerating participants from the most different areas of interests processes, decisions and actions. At the same time, and knowledge gather in one place: Architects, project however, there is a development toward sustainable managers and specialized planners, representatives design that leads to buildings providing the best possible of the client, of the relevant authorities and also from connection of functionality and architecture, energy the building and construction industry. Communication ef? ciency and healthy construction materials that can dif? culties cannot be ruled out in such a heteroge- be recycled while at the same time also achieving the ous circle. It is, hence, one of ? rst aims of this book, best possible economical bene? ts. to outline both the participants and the process of structural engineering projects – for planning and con- Following its modest beginnings, the Drees & Sommer struction – by using striking examples to describe them corporation has grown in this area and for over 35 years clearly. Furthermore, the essential management tasks now has been signi? cantly contributing to the develop- and possible management variants are explained. ment of modern project management while always putting an emphasis on innovation when it came to With this book, I would like to thank all employees management method.

Inhoudsopgave

Fundamentals of Project Execution.- The Road from Concept to Construction Order.- The Stages of Building Construction.- Tasks of Project Management.- Management Varieties.

Over de auteur

Prof. Dr.-Ing. Hans Sommer. After obtaining his diploma as a civil engineer at the University of Stuttgart and working as designer and site manager at home and abroad, Hans Sommer in 1971 became project manager and then, in 1974, partner of a corporation that a few years later became known as Drees & Sommer. Today, the corporation is market leader in Germany for project management, real estate consulting and engineering . From 1992 to 2007, Sommer was Chairman of the Executive Board of Drees & Sommer AG which employs a staff of over 1000 at 26 international locations. With his approach of integral project management, he defi ned essential developments in the building industry. At the beginning of the year 2008, he changed to the Supervisory Board of Drees & Sommer AG, where he became Chairman and, aside from his consulting tasks, dedicated himself intensely to the topic of sustainability in the real estate and building industries as well as to knowledge, ideas and innovation management.