Historically, the vast majority of municipal infrastructure projects in Canada have been implemented using the “design-bid-build” approach.
This approach requires a municipality to prepare the design and specifications for a project and then invite tenders for its construction. The lowest qualified bidder is usually selected by the municipality to construct the project.
In a few cases, such as the construction of a large project where there is opportunity for innovation in its design and construction, the “design-build” approach has been used. For this project delivery method, the municipality specifies the minimum performance requirements for the project and then invites design-build teams to submit bids for both the design and construction of the project. The bid that represents the best value to the municipality is usually selected to design and construct the project.
In some cases, a municipality may not have sufficient time to follow the normal tendering and award process, particularly when several projects have to be completed in a short period of time. In other cases, a municipality may be uncertain about the scope or schedule for projects, but cannot afford to delay the tendering process until these are more clearly defined.
The City of Toronto has two major infrastructure renewal programs underway; a basement flooding improvements program with a capital budget of $200 million and a stand alone watermain replacement program with a capital budget of $130 million.
These programs represent a “state of good repair” for Toronto. The city has received federal infrastructure stimulus funding for several projects to be completed in these two programs which means they have to be substantially completed by March 31, 2011.
In order to expedite these programs, the City of Toronto is using a project delivery method referred to as task order contracting. This unique method works as follows: