Scope of works included exploratory excavation and pre works testing to develop the overall remediation strategy. Reduce level excavation and site turnover to identify and remove buried structures. Following Identification of the buried brick tunnels they were exposed, and a team of archaeologists undertook investigations prior to the tunnels being demolished.
All reinforced concrete substructures were broken out and processed onsite to produce a Class 6F capping aggregate which was placed to construct the permanent site access roads.
All broke out and excavated materials were processed and reused within the permanent works, with no disposal offsite.
Responsibilities included, environmental monitoring including dust monitoring and suppression. There was a full time UXO watching brief and ongoing spotting for contaminated materials onsite.
The site was once Newport Iron Works and Newport Dry Colour Works with rail sidings. Several 19th century brick structures were discovered on site.
The site was bounded on one side by the River Tees. Existing ground material included slag and colliery spoil from the steel making process which was processed and reused as fill within the permanent design.