The City of Sudbury is undergoing a water infrastructure modernization process to bring their facilities in line with current construction practices and codes. The improvement project includes upgrades to the building’s envelope, instrumentation and controls and installation of a fluoride module. The work took place across nine project sites which required a high degree of organization and monitoring to ensure design compliance at all locations. As work progressed, we uncovered code compliance issues and provided various solutions specific to each project site to minimize the additional cost of the required modifications.