Seadar are curently working with JHCPB Joint Venture to deliver the FRP of the Western Harbour Tunnel Ventilation Exhaust Building cast in-situ concrete elements within the Rozelle Rail Yard. Works include columns; in situ internal and external walls, suspended slabs and slabs on ground, in situ walers and beams, no-fines drainage layers, reinforced concrete stairs and landings, 3x30m high circular vent stacks and miscellaneous concrete members