Obra-RC005-Lot3 Emisario planta RIachuela
Associated Underwater Services under contract to Impregalla Healy provided consulting design and direct supervision of the underwater concrete placement in the four drop shafts required for the implementation of the tunnel machine. Emisario planta RIachuela project came together as AUS assisted in the development of the underwater requirements including safety plan, excavation, survey, rebar and drain installation components in 165 feet of water utilizing wet divers. AUS had a direct supervisory role in placing 2800 cubic meters of concrete in 4 shafts using a floating concrete tremi system referred to as the DOBBER system. During the two-month period of work, AUS personnel that remained on-site, ensure a safe and competent placement of underwater components.