Question 1: Substitution Process Advise the contractor on the process of changing the Employer’s Requirements in a design & build project.
Employers Requirements, with regards to ‘Design and Build’ procurement (Fig.2), “describes for the contractor the development which the employer wants him to design and build” (Longworth consulting, 2020). This document outlines specifications and details as proposed by the client. During the formation of this package of information for both client and contractor to review, along with the ‘Value Engineering’ exercise, a change control procedure should be introduced “to ensure that the approved information is not changed without the express permission of the client.” (Designing Buildings, 2020). ‘Value Engineering’ addresses concerns and reduces unnecessary costs whilst improving project efficiency. The process involves:
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(Designing Buildings, 2020)
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- Identifying the main elements of a product, service or project. - Developing alternative solutions for delivering those functions. - Assessing the alternative solutions. - Allocating costs to the alternative solutions. - Developing in more detail the alternatives with the highest likelihood of success.”
Design & Build Contractual/ Functional Relationship
Fig.2 Design & Build contractual and functional relationships
