Owner Builder Test Graded A+

Owner Builder Test Graded A+ At what depth is shoring required? ️ 1.2m/4ft Which is not an acceptable method for determining the correct grading for a trench? ️ An experienced excavator says it's ok Which best describes the principle of rainwater 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 will achieve 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 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 a 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 Safety 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 foundation? ️ 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 primer 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 within 1m on either side or 4.5m above a gas meter When do you need to install a handrail or have fall protection? ️ 10ft, or 4ft if no fall protection is in place 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 the 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 the 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 eave protection What kind of fastener can you use in 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 a slab? ️ XPS What kind of insulation has the least moisture permeability? ️ XPS When framing a header for a staircase, where does the framer get the nailing patte