Design for Manufacture and Assembly

Christine L. Pasquire1 & Gary E. Connolly2

1Senior Lecturer, Civil & Building Engineering, Loughborough University, UK, [email protected]
2Technical Solutions Director, Crown House Engineering, Wolverhampton, UK, [email protected]


The inclusion of off-site production into construction project delivery offers many benefits but its inclusion frequently results in inappropriate design work. This may be double design work largely due to detailing included in the traditional design process either repeated by the manufacturer for bespoke production or has been undertaken previously during original product design, substantial material waste due to poor sizing for standard components or incorrect design of surrounding structural elements. As the scale and number of manufactured items incorporated increases, the extent of this waste in the design process becomes more significant. To compensate for this, an amended design process is required along with major changes in the design role and the composition of the design team itself. This paper, based on research3 funded by the UK Government Department of Trade and Industry (DTI) and Engineering and Physical Sciences Research Council (EPSRC) and the experiences of a major mechanical services manufacturer4, presents a revised design process focused on Mechanical Engineering, showing where and how waste is eliminated and the roles of the various design team members.


Design, pre-assembly, off-site manufacturing, process.



Pasquire, C. L. & Connolly, G. E. 2003. Design for Manufacture and Assembly, 11th Annual Conference of the International Group for Lean Construction , -.

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