Enhancing off-site manufacturing through early contractor involvement (ECI) in New Zealand

Procurement strategies that enable early contractor involvement (ECI) in design may enhance off-site manufacturing (OSM) by overcoming previously identified barriers to its uptake. Involving constructors during the design stage can reduce the risk of design buildability issues, and standardising tra...

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Bibliographic Details
Published in:Proceedings of the Institution of Civil Engineers. Management, procurement and law procurement and law, 2018-08, Vol.171 (4), p.176-185
Main Authors: Finnie, David, Ali, Naseem Ameer, Park, Kenneth
Format: Article
Language:English
Subjects:
Barriers
Case studies
Construction
Construction contracts
Contractors
Contracts
Design
Design standards
Literature reviews
Manufacturing
Market prices
Process variables
Procurement contracts
Risk reduction
Solutions
Supply chains
Transparency
Uptake
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Description
Summary:Procurement strategies that enable early contractor involvement (ECI) in design may enhance off-site manufacturing (OSM) by overcoming previously identified barriers to its uptake. Involving constructors during the design stage can reduce the risk of design buildability issues, and standardising traditionally bespoke ECI processes may help overcome cultural resistance to unfamiliar OSM technology. Following literature review and using case studies, document analysis and legal doctrine, a two-stage ECI conceptual process model for New Zealand is proposed. This was tested and refined following feedback at a conference. The model comprises a first-stage pre-construction contract and a second-stage standard-form construction contract. Key process variables are considered with solutions to provide collaboration and transparency while maintaining competitive fixed pricing across the supply chain. Legal doctrine analysis is used to distinguish between design buildability obligations and design codes compliance. The model contributes towards the development of a standard form for pre-construction contracts.
ISSN:1751-4304
1751-4312
DOI:10.1680/jmapl.17.00029