A Collaborative Delivery Model brings the client, designer, contractor and key subcontractors together as an Integrated Delivery Team (IDT), working to shared objectives rather than protecting individual contractual positions. Traditional models remain appropriate where scope is well defined, risks are known and quantifiable, and the programme is unlikely to change. Progressive Design Build and Construction Management at Risk – North American models that similarly develop design and cost collaboratively before converting to a guaranteed maximum price. Ten Golden Rules EIC’s paper closes with ten rules it says are essential to successful CDM adoption. Source: European International Contractors, “Collaborative Delivery Models” position paper, April 2026.