AMENDMENT TO CLOSING TIME: Please disregard the Ariba Discovery posting response deadline closing time and the CanadaBuys posting closing time. All bid submissions must be submitted on 21 November, 2022 by 1400 EST. All bids submitted after 1400 EST will result in the bid being declared non-responsive. Public Services and Procurement Canada (PSPC) has a requirement for North Roundhead Reconstruction at the Canso Canal in Nova Scotia. The scope of work for this project consists of the furnishing of all plant, labour, equipment and material required to complete the work. In general, the work under this contract will consist of, but will not necessarily be limited to: 1. Excavation, construction of concrete slab-on-grade complete with bedding and backfill. 2. Completion of concrete repairs to the north roundhead wall. This includes concrete removal, supply, and placement of reinforcing, as well as placement of concrete. 3. Completion of concrete crack repair. Delivery Date Required: Twelve (12) weeks after award of contract. Bid Security will be a requirement for this tender during Phase Two.