There are consulting groups who specialise in infrastructure work and can provide the engineering oversight, cost analysis and most importantly have lawyers who

There are consulting groups who specialise in infrastructure work and can provide the engineering oversight, cost analysis and most importantly have lawyers who can effectively negotiate the contract. It's often the lack of experienced lawyers that allow for projects to go off the rails without any recourse. As often as they are utilised in the planning stage, they are also called in as expert witnesses and negotiators when projects do go off the rails.