The OAA provides licensed members with free viewing access to a collection of CSA standards, including all standards referenced in the National Building Code of Canada (NBC), Ontario’s Building Code (OBC), as well as other pertinent standards.

The following are the Top 10 accessed documents from the OAA’s NBC/OBC Standards Collection in 2024, by CSA Standards Access Program users:
1. CSA/ASC B651:23, Accessible Design for the Built Environment;
2. ASME A17.1-2022/CSA B44:22, Safety Code for Elevators and Escalators;
3. CSA S304:24, Design of Masonry Structures;
4. CSA S478:19 (R2024), Durability in Buildings;
5. CSA A460:19, Bird-friendly Building Design;
6. CSA A371:14 (R2024), Masonry Construction for Buildings;
7. AAMA/WDMA/CSA 101/I.S.2/A440:22, North American Fenestration Standard/Specification for Windows;
8. CSA B355:19 (R2024), Platform Lifts and Stair Lifts for Barrier-free Access;
9. CSA S413:21, Parking Structures; and
10. CSA B149.1:20, Natural Gas and Propane Installation Code.

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This article originally appeared in the Practice Advisory, a newsletter developed by the OAA’s Practice Advisory Services team, which offers numerous resources for both members and the public. The OAA does not provide legal, insurance, or accounting advice—readers are advised to consult their own legal, accounting, or insurance representatives to obtain suitable professional advice in those regards.