The project called to construct a new moveable bridge over Duwamish Waterway Parallel to and downriver of the existing bridge. The existing Bridge was built in 1929-1931. The South Park Bridge spans the navigable of the Duwamish Waterway, which is used for industrial, commercial and recreational purposes. The bridge itself is severely deteriorated and seismically vulnerable. The lanes of the bridge had substandard width.
NVL Labs was hired by King County Road Services to provide them with LEAD Health Protection Plan. Since the structure needed to be cut into smaller sections in order to be removed from the location. NVL Labs wrote the Health & Safety plan for the workers involved in the dismantling process and also provided exposure assessment documentation by taking up the role of Health & Safety officer for the construction site.