Contractor prequalification is the screening step where an owner or construction manager checks a firm's finances, safety record, staff and past projects before letting it bid, so a bid can be refused for failing that screen long before price is ever compared.
The standard Canadian disclosure form is CCDC 11, the Contractor's Qualification Statement, which "offers a standard format for contractors to provide information about their company, capacity, skill, and experience." It asks for company detail (legal structure, financial and insurance references, health and safety record, and the value of work done in the current and past four years), the key office and site personnel proposed for the project, and a list of five comparable projects completed in the last five years plus work currently underway.
The companion guide is CCDC 29, A Guide to Pre-Qualification, written for owners, consultants, construction managers and design-builders. It walks a procurement authority through "how to determine whether pre-qualification is necessary," compares the three common formats — unlimited, short-listing and source-list — and sets out best practices for a Request for Qualifications, including submissions, evaluation, interviews, and notification and debriefing of the firms that do not advance.
Prequalification failures are not always about the work itself. A contractor without a current WSIB clearance can be refused outright: Ontario's WSIB explains that only a registered business "in good standing" can obtain one, a clearance is valid for up to 90 days, and an emailed request "arrives within three to five business days" — a delay that has ended more than one bid.
A design-builder is short-listing firms for a mid-rise residential project using CCDC 29's short-listing approach. Two contractors submit a completed CCDC 11: one lists five comparable mid-rise jobs finished on schedule with a current WSIB clearance attached; the other lists mostly low-rise renovation work and no clearance number. The second firm is set aside at the qualification stage — before either has quoted a dollar figure — because the qualification statement itself failed the screen.
See also: Bid depository: how trade bids get filed · Unbalanced bids and why owners reject them.
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