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Design-Build Challenges About 60 to 70 percent of NSCA members say they’re actively involved as team members in design-build projects, Wilson said, adding that it’s a good thing for some integrators and not so good for others. “There is a risk proposition. There’s higher margin on design-build projects but also higher risk, so we encourage you to go into that with your eyes wide open.” He has seen episodes in which one of the project team members bails or their company fail. “It can affect everybody on that design-build team and costs time and money.”