BC Owner Builder Exam | 186 Questions and Answers(A+ Solution guide)

BC Owner Builder Exam Order of inspections - ✔✔ 1: forms, basement and crawlspace 2: Plumbing, dampproofing, foundation drainage , sanitary sewer, storm sewer, sump, water service 3: plumbing, electrical, mechanical, gas 4: framing inspection 5: insulation and vapour barrier 6: rainscreen/exterior finishs, drywall 7: building envelop in spection 8: final inspection Which is not an acceptable method for determining the correct grading for a trench? - ✔✔ An experienced excavator says it's ok At what depth is shoring required? - ✔✔ 1.2m/4ft Which best describes the principle of rain waterte rm-0 deflection? - ✔✔ Design and construction that prevents water from ever entering What lighting safety certifications are required in Canada? - ✔✔ CSA safety certification What grit of sandpaper would get the smoothest result? - ✔✔ Higher grit with get a smoother finish What is the maximum rise in a flight of stairs? - ✔✔ The vertical height of any flight of stairs should not exceed 3.7m What is the minimum distance that a ladder must extend above a parapet wall or landing? - ✔✔ 3ft What heights are end dams to be on windows and door flashings? - ✔✔ 25mm/1 inch End dam use - ✔✔ Stop water from coming in When should you call for inspectors to make them efficient as possible? - ✔✔ Group inspectors together when possible and call when work is complete When is an HRV required? - ✔✔ Almost always What can you build under the owner -builder HPO process? - ✔✔ Single detached home under a single title. Single dwelling attached to pre -existing building older than 10 years. Single dwelling attached to a new non -residential building. Who issues permits for a gas fireplace? - ✔✔ Safety Authority (call Technical Safe BC) Can an owner builder take out their own electrical permit? - ✔✔ Yes, up to 200A What is the best way to apply asphalt waterproofing on a foundatio n? - ✔✔ Spray -on or roll on dry foundation with 2in. below grade When is the appropriate time to backfill a foundation? - ✔✔ After damp -proofing What do you need to do when applying a peel and stick waterproof membrane foundation? - ✔✔ Use an approved prime r before installing What are gas meter installation requirements? - ✔✔ The distance from the gas vent to the roof must be greater than the overhang of the roof, nothing can be with in 1m either side or 4.5m above a gas meter When do you need to install a handrail or have fall protection? - ✔✔ 10ft, 4ft if no fall protection How high does a construction fence around a site need to be? - ✔✔ 6ft When installing the footer, it was dug down 2in. deeper than what the elevation should be. What needs to happen? - ✔✔ Install the footing form at proper elevation and fill with extra concrete When installing flashing for a roof valley how much do the asphalt shingles need to overlap? - ✔✔ 6in. What would cause a blister on a flat roof? - ✔✔ Moisture trapped under roof Water is backing up in a skylight, what do you do to fix it? - ✔✔ Clear drainage What needs to be done first when starting to install asphalt shingles on a roof? - ✔✔ Install eve protection What kind of fastener can you use in a wood that has been treated with chromated copper arsenate? - ✔✔ Lumber manufacturer approved fastener When should there be insulation under a basement slab? - ✔✔ When there is in floor heating How deep should the control joint be in a concrete slab? - ✔✔ 1/4 of the slab What kind of insulation should be installed under slab? - ✔✔ XPS What kind of insulation has the least moisture permeability? - ✔✔ XPS When framing a header of a staircase where does the framer get the nailing pattern? - ✔✔ Use the BC code section 9 nailing pattern What document must the owner submit to WorkSafe BC prior to starting construction? - ✔✔ Notice of project