The scope of work included the intersection and approaches from all four directions of approximately 200-300 meters down each leg.
CPP provided a P50/P90 cost estimate at each design stage which informed the client of key cost drivers of the project. The north-east retaining wall was valued engineered with geotech engineers to find the right balance, CPP providing cost input into the decision making and also risk and opportunity facilitation.
CPP’s cost estimate at detailed design stage finished within 2% of the median tender price.