Yardsticks for Costing is the Canadian cost-data manual on Examitect's ExAC study plan. Built by Hanscomb, a project control consulting firm with offices across Canada, the 2014 edition organizes data into six sections (A through F), with Sections C and D each in metric and imperial. It is intended for quantity surveys, preliminary estimates, elemental cost analysis, and feasibility budgets for non-residential construction across Canada.
Yardsticks is one of two construction cost references named as primary on Examitect's ExAC study plan, the other being RSMeans Cost Data 2012. For Section 1 Cost Management, the study plan lists Yardsticks as a primary reference for all four categories: 4.1 (factors influencing cost), 4.2 (evaluating cost), 4.3 (comparing estimating methods), and 4.4 (applying estimating methods within a project).
What that means in practice: if you see a cost question in Section 1, the methods, vocabulary, and orders of magnitude tested are the kind Yardsticks teaches. You won't be asked to recite a Toronto unit price for cast-in-place concrete; you will be asked how an elemental estimate is structured, how location and escalation are handled, when a Section D composite rate is more appropriate than a Section C trade price, and how the estimate fits into the architect's cost management responsibilities described in CHOP.