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To pass an open book BCIN exam, you need a search method more than a memory: 70 questions in 180 minutes leaves about 2.5 minutes per question, so you have to know where answers live and get to them fast. The strategy below is built around that clock: learn the layout, search with the right words, use Division A definitions and tables, and work in two passes.
None of this replaces knowing the material. It makes sure the time you have goes to thinking, not scrolling.
Know the clock
| Target | Time |
|---|---|
| Total | 180 minutes |
| Average per question | 2 minutes 34 seconds |
| First pass target | Under 2 minutes each |
| Checkpoint | About 35 questions done by the 90 minute mark |
| Reserve for flagged questions | 20 to 30 minutes |
Every question is worth the same. A 6 minute calculation that you get right costs you two or three easy questions you never reached. Pace is a scoring decision.
Step 1: shrink the book to your syllabus
The Compendium is two large volumes. Your exam covers a fraction of it. The Ministry publishes a study guide for each exam listing every included section and every excluded article.
Before you study anything else:
- Print or save your exam's study guide.
- Mark each included section in your hard copy with a tab or highlight. Humber allows hard copies that are highlighted or tabbed, with minimal annotations.
- Cross out or note the excluded items in your study notes, so you do not waste time on them.
- List the Supplementary Standards your syllabus names. The House syllabus, for example, names SB-1, SB-2, SB-3, SB-7, SB-9 and SB-12.
Remember you cannot write in your materials during the exam, so do this beforehand.
Step 2: learn the map
You should be able to say, without looking, roughly where these sit for your exam:
- Division A, Part 1: which Part of Division B applies to a building (Article 1.3.3.3 sets the Part 9 limits: 3 storeys or less, building area not over 600 m², and certain occupancies) and the list of defined terms.
- Division B: the technical Parts. For House and Small Buildings, most questions sit in Part 9, with some in Parts 3 to 7, 11 and 12.
- Division C: permits, inspections, qualifications and alternative solutions.
- The Act: for legal exams, the sections on permits, orders, unsafe buildings, inspections and appeals.
A useful drill: pick 20 random topics from your syllabus and time how long it takes to open the right Section in the code. Repeat until each takes under 30 seconds.
Step 3: search the PDF with the code's own words
Humber provides the digital Compendium during online exams, and you may not use your own copy. A PDF viewer's search (Ctrl+F on Windows, Cmd+F on Mac) is your fastest tool, if you search well.
Search for the code's terms, not the question's. Questions are written in plain language. The code uses defined terms. "Railing" will not get you far. "Guard" will. "Deck" is less useful than "guard" plus the height you are checking.
Search for article numbers. If you know the answer is in 9.8.8, search "9.8.8." with the trailing period. Article numbers in the 2024 code can also carry a letter, such as 1.3.3.3A, so type them exactly.
Search for numbers with units. Code values are metric and usually written with a space before the unit, such as "600 m". Try a couple of forms if the first finds nothing.
Use distinctive phrases. Two or three words that only appear in the sentence you want ("rough-in for a subfloor") beat a single common word.
Use the hard copy for tables. Large span and fastening tables can be awkward in a PDF. If you have the hard copy tabbed, flipping can be faster.
Check in the first minute how search behaves in the exam viewer, so you are not learning the tool on question 40.
Step 4: let Division A definitions do the work
Many questions are decided by a definition. Is it a "storey"? Is that space a "dwelling unit" or a "suite"? Is the measurement "building height" (in storeys) or a height in metres? Defined terms appear in italics in the code text, which is your cue to check the definition.
Learn the definitions that drive your syllabus. For Part 9 exams that includes building area, building height, grade, first storey, dwelling unit, suite, limiting distance, exposing building face, fire separation and fire-resistance rating. The definitions are in Division A, Part 1.
Step 5: read tables properly
Tables carry a large share of the numbers you will be asked for.
- Read the title and the "Forming Part of Sentence" line, so you know which rule the table serves.
- Read the column headings and units before the body.
- Read every note under the table. Limits, exceptions and interpolation rules often sit there.
- For span tables, confirm species, grade, spacing, load and whether the value is for a floor, a roof or a ceiling before you pick a number.
Step 6: work in two passes
First pass (about 120 minutes). Go through all 70 in order. Answer anything you can find in under 2 minutes. If a question needs a long calculation or you cannot find the Section, pick your best guess, flag it (or note its number on your blank paper, since you cannot count on a flag feature), and move on. Never leave a blank.
Second pass (the rest). Go back to the flagged questions, quickest ones first, since every question is worth the same. You now have time to work calculations and read whole Sections.
Final minutes. Make sure every question has an answer.
Common traps
- Missing the exception. Read the full sentence and the next sentence. "Except as provided in..." changes the answer often.
- Right number, wrong Part. Part 3 and Part 9 can give different values for the same topic. Check which Part applies first.
- Old notes. Advice and notes based on the 2012 code use article numbers and values that may have moved or changed. Confirm against the 2024 Compendium. See 2024 Ontario Building Code Changes.
- Supplementary Standards. Some answers live in an SB, not in Division B. If Division B points to an SB, follow it.
- Units and conversions. Check whether the answer options are in mm, m, m² or kPa before you calculate.
- Plausible distractors. Wrong options are often real numbers from a nearby sentence. Confirm that your number belongs to the exact situation in the question.
- "Best answer". Each question has one best answer out of four. If two look right, the more specific one is usually what the code says for that case. Go back to the wording.
A four week practice plan
| Week | Focus |
|---|---|
| 1 | Read the study guide, tab the code, learn the map and the key definitions |
| 2 | Topic by topic practice, untimed, checking every answer against the article |
| 3 | Timed sets of 20 questions at 2 minutes each, plus search drills |
| 4 | Full 70 question, 3 hour simulations; review every miss by finding the article |
Our free study guide for each exam follows the Ministry syllabus section by section, with the 2024 articles cited and search tips. Start with your exam's page, such as House, Small Buildings or General Legal/Process, and try the free timed quiz to test your pace.
Sources
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- A free practice quiz for each exam
- Every answer cites its 2024 OBC article
- Full 70 question timed simulations with a paid plan
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