BOABC Level 2 study guide
BOABC Level 2 · Work through your exam, one topic at a time.
BOABC Level 2 refers to the second-level certification examinations offered by the Building Officials' Association of British Columbia (BOABC), an association of over 1200 members primarily representing local government Building Officials and those involved in building design, construction, testing and research. BOABC certification is a professional credential for people who perform building and plumbing plan review, field monitoring, or inspections. The association describes a code official as a professional providing building and plumbing plan review, field monitoring, or inspections for any types of building construction, and its published credential pathways cover both building and plumbing officials. Candidates typically reach a certification exam after completing association courses and gaining work experience; the association states that a Regular and/or Associate One (1) member is eligible to apply for Certification after successfully passing the respective BOABC Examinations and meeting the work experience requirements. Topics on this exam: Building and Plumbing. The BOABC Level 2 study guide has 2 sections and about 691 words.
01Building: Occupancy, Egress, and Fire-Resistance Essentials
Every building question begins with two identifiers: the occupancy classification (what the space is used for) and the construction type (how fire-resistive the structure is). Occupancy drives allowable area and height; construction type sets how much fire resistance the structural frame, bearing walls, and floor assemblies must provide. A common trap is answering an area question using the wrong occupancy group because a mixed-use building contains a small accessory space. Accessory occupancies are classified by the main use unless they exceed the code's accessory threshold.
365 words, about 2 min02Plumbing: Fixture Units, Traps, and Venting
Drainage pipe is sized by drainage fixture units (DFUs), not by pipe diameter guesswork. Each fixture type has an assigned DFU value, and those values are summed per branch and per stack. A trap in exam questions is mixing supply fixture units with drainage fixture units; they are different scales and are never interchangeable. Also watch for fixture-unit reductions when a group of fixtures is unlikely to be used simultaneously, but only apply reductions where the code explicitly permits them.
326 words, about 2 min