Nonresidential construction spending exceeded economist expectations for 2015 and is forecast to continue its upward climb through 2016 before slowing slightly in 2017, according to the AIA’s latest semi-annual Consensus Construction Forecast released today. The survey of the country’s leading construction market forecasters projects growth of 8.3 percent for nonresidential building in 2016 and 6.7 percent for the category in the following year.