Responsible for the client designed elements of the project, Sweco supervised and reported the ground investigation works on the site, then designed a site and turbine specific gravity foundation for optimal efficiency along with a steel portal framed permanent welfare building.
One such example of this site based technical assistance; during a turbine foundation base pour, a batching plant breakdown caused the pour to be abandoned with approximately 30m³ remaining to be placed. This caused an area covering approximately half the base to be left with exposed reinforcement.
Sweco, in collaboration with the client/contractor, developed a remedial design for implementation. This remedial design involved hydro-demolition and the retrospective installation of 297no reinforcing bar dowels cored and resin anchored into the existing concrete. Following installation of these dowels the remaining concrete was poured to finished design level and profile.
In addition to Sweco’s primary scope we also provided preliminary/conceptual design for the 35km of site access tracks and following contractor appointment (Balfour Beatty & Jones Bros Joint Venture), we supported them under separate contract with detailed design of these tracks.
This detailed design contract also included trackside drainage, crane platform/hardstands and turbine lay down areas.