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IRC (International Residential Code) - ANSWER: Created to serve as a complete, comprehensive code regulating the construction of single-family, two-family and buildings consisting of three or more townhouse units. First 2 chapters of code book are - ANSWER: Administrative Plans or supporting documents are almost always required by the controlling authority prior to issuing a permit. T or F - ANSWER: True Does the building official have the authority to render interpretations of the code? - ANSWER: Yes None of the following require a permit, EXCEPT: sidewalks and driveways tiling an 8 foot fence playground equipment - ANSWER: 8 foot fence. Tables and illustrations are always supported by information found in the written code and footnotes. T or F - ANSWER: False
The amount of evenly distributed weight imposed by inhabitants, goods and removable objects on a floor or roof system is referred to as - ANSWER: Live load. If a code requirement is in the book, it is both acceptable and enforceable by the code official. T or F - ANSWER: True. Illustrations are typically referred to as - ANSWER: Figures. Generally speaking, the building official's job is to - ANSWER: Determine that buildings are built to the minimum enforceable standard. It is required that all manufacturer instructions be at the jobsite at the time of inspection. T or F - ANSWER: True. All of the following are not considered habitable spaces EXCEPT: bathrooms kitchens storage spaces closets - ANSWER: Kitchen. Bathrooms must be provided with an aggregate glazing area no less than _____ square feet, half of which must be openable. - ANSWER: 3. The maximum height of an egress window above the floor is - ANSWER: 44 inches.
Michigan requires a minimum thermal resistance of ____________for mechanical system piping. - ANSWER: R-3. Oversized HVAC equipment has a higher initial cost, a higher operating cost, provides less comfort, and shorter life expectancy. T or F - ANSWER: True. _______ is the compliance route that applies Table 402.1.1 to building envelope components, and is considered the most simple. - ANSWER: Prescriptive Path. ___________ can be used to satisfy U-factor and SHGC requirements. - ANSWER: Area weighted averages. Recessed lights must be _____ rated. - ANSWER: IC (Insulation Contact) Up to 15 square feet of glazing per dwelling unit is exempted from U-value requirements. T or F - ANSWER: True. The 2009 IECC requires a permanent certificate posted on the electrical distribution panel. The certificate shall be completed by the builder or - ANSWER: Registered design professional. One hurdle contractors face when bidding for an energy efficient project is choosing materials that fit the design, and also meet - ANSWER: State energy code requirements. Historically significant buildings are not exempt from code changes. T or F - ANSWER: False.
Insulation products (blown and sprayed) must be documented with: - ANSWER: R-value Settled thickness Manufacturer name The new Michigan codes took effect in - ANSWER: March 2011. Below grade walls are insulated from the top of the basement wall down to _____ below grade, or the basement floor, whichever is less. - ANSWER: 10. The _______ is the combined Solar Heat Gain Coefficient of all the glazed fenestration products in the building. - ANSWER: Area weighted average. Plans and specifications must be detailed in regards to: - ANSWER: Thermal insulation R-values Design criteria Equipment systems In Michigan, the residential energy code is based on the _____ IECC, with certain amendments. - ANSWER: 2009. ___________ is the rate of air infiltration in the presence of a specific pressure differential. - ANSWER: Air leakage. Air leakage is the random movement of air into and out of ________ through cracks and holes. - ANSWER: Windows Attic access hatches Recessed lights
Attic insulation markers must be installed every _____ square feet. - ANSWER: 300 sq ft. Buildings that are exempted from the new regulations are those with very low energy use or ones that are neither heated or cooled. T or F - ANSWER: True. A contractor needs to remove a non-load bearing wall, does he need to pull a permit? - ANSWER: Yes. A concrete contractor has been hired by an owner to install a driveway and sidewalks. The lot is flat and the concrete is being place on undisturbed earth with a prepared base. Does the contractor need to pull a permit? - ANSWER: No. A permit has been issued for a building project and there is a code infraction in the building plans that has been overlooked by the building official. Can the building official require a correction to a project that they previously overlooked? - ANSWER: Yes. Who issues a well and septic permit? - ANSWER: Health department. Permits are not required for one story detached accessory structures not exceeding:
- ANSWER: 200 sq. feet. IRC R If work requiring a permit is provided in an emergency situation, the permit application must be submitted within: - ANSWER: The next business day.
If an inspection official is refused entry to a building project, the official will have recourse to the remedies provided by law which include securing a warrant from the court and returning with an officer of the law. - ANSWER: True. Can a building official be held liable for any damage occurring to persons or property as a result of their actions or inaction? - ANSWER: No. IRC R104. An owner needs a foundation wall repaired, it has seriously buckled due to excessive lateral loading from soil pressure. Does the contractor need to pull a permit? - ANSWER: Yes. Although contractors should check for restrictive covenants and local zoning requirements, a permit isn't required from the building official for installing a fence not over _______ tall. - ANSWER: 6 ft. IRC R105. If a permit is applied for but not yet approved and the applicant is not persueing approval after______ days the application will be considered abandoned. - ANSWER: 180 days. Can a building official revoke a Certificate of Occupancy? - ANSWER: Yes. When a project requiring a permit has commenced prior to the issuance of a permit, the building official is authorized to charge an additional fee. T or F - ANSWER: True. Foam plastic is used as insulation. The flame spread index cannot exceed 75 and the smoke development index cannot exceed - ANSWER: 450
Any of the above The nosing for stairs shall not be less than 3/4" but not be more than - ANSWER: 1 1/4" A front porch is 25 inches above the grade below. Are guards required to be installed? - ANSWER: No. If a smoke alarm is in a bedroom, it doesn't need to be right outside the bedroom also. - ANSWER: False. If spray foam insulation is used to insulate a wall, what is the minimum thickness of drywall needed to cover the foam plastic? - ANSWER: 1/2" Finishing materials used for walls and ceiling shall have a flame-spread index not to exceed - ANSWER: 200 Wood joists are 19" above exposed ground. Do they have to be preservative treated or naturally durable wood? - ANSWER: No. You may bulldoze, grade and remove tree stumps in a wetland as long as you have a permit. - ANSWER: True. Current code requires that the lowest floors in newly constructed buildings in flood hazard areas not located in designated Coastal A Zones, must have the lowest floors elevated to or above the 100-year design flood elevation. T or F - ANSWER: True. What are the three basic soil types? - ANSWER: Cohesive, granular, organic.
The principal reasons to understand soil composition are to: - ANSWER: Reduce settling Provide stability Increase load-bearing capacity If a excavating company needs to haul away 125 yards of bank soil that will swell 20% how many yards of loose soil will they haul away? - ANSWER: 150 yards The exact location of property lines should be determined early in the design phase in order to comply with __________ requirements. - ANSWER: Setback. A garden shed over 200 square feet will require a permit.code T or F - ANSWER: True. What tool would you use to peel back topsoil? - ANSWER: Bulldozer. _________ the root system of a tree during construction can potentially kill it. - ANSWER: Cutting into Piling soil over Compacting You would use a ________ to determine a floor is level, but this tool would not help determine if a wall is plumb. - ANSWER: Builders level. The condition of erosion control devices must be checked after a rainfall event of _______ or more within a 24 hour period. - ANSWER: 1/2 inch.
The heavier the plates are on a vibratoty plate compactor the more compaction force it will generate. T or F - ANSWER: True. All soil types have the same optimum moisture content for compaction. - ANSWER: False. Which drawing shows the shape and boundary lines of a lot, as well as locating the building, driveway, sidewalks, well and septic system, elevation contours, etc. Plot Plan Site plan Elevation plan Both A and B - ANSWER: Plot plan and site plan. What is a method of determining soil density? - ANSWER: Proctor test Sand cone test Nuclear density test It is virtually impossible to compact soil without adequate moisture containing too much water with optimum moisture content both A and B - ANSWER: Without adequate moisture or containing too much water. A basic starting point from which measurements in building layout can be made using a transit or builders level is called a - ANSWER: Point of reference or a benchmark.
When building in a floodplain, special precaution must be made concerning: flood resistant construction. determining the design flood elevation. placing the lowest floor at the proper elevation. all of the above - ANSWER: All of the above. When building in a floodplain, enclosed areas below the design flood elevation will be used solely for - ANSWER: Parking vehicles , building access or storage. Increasing the weight of the plates on vibratory plate compactors is the best way to increase their efficiency. T or F - ANSWER: True. Rammers are the most efficient compactor to use in clay (cohesive) soils. T or F - ANSWER: True. Special precautions should be taken with desirable trees on a building site to avoid injuring and even killing them such as: - ANSWER: Avoid raising or lowering the grade around the trees Bore under the tree roots instead of trenching for Utility installations Barricade the area around the trees keeping heavy equipment off The optimum moisture content for soil compaction will depend on the type of soil being compacted. - ANSWER: True. Proper _______________ is the most important factor in efficient soil compaction.
- ANSWER: Moisture content.
When pouring concrete, the concrete should be placed near its required point. Excessive handling of the concrete weakens it. T or F - ANSWER: True. Pouring concrete on frozen earth is: - ANSWER: Never acceptable. The diameter of a No. 4 deformed bar is: - ANSWER: 1/2" Which of the following are true in regard to cold-weather construction? calcium chloride is added to concrete to help it set quickly. insulation of straw, hay, or polyethylene is placed around concrete footings. concrete block walls are usually laid with heated mortar. all of the above - ANSWER: All of the above. When sawing a control joint in a concrete slab, the joint must be a minimum of how deep? - ANSWER: 1/4 the thickness. Rebar placement for a footing should be in the ________________________ of the footing depth. - ANSWER: Middle one third. The most precise way of positioning rebar for a slab is to use: - ANSWER: Chairs. Chairs are classified according to their degree of rust protection. Class #1 is the maximum protection, class #2 is moderate protection, and class #3 is no protection. T or F - ANSWER: True.
Proper __________________ prevents most problems in the finished concrete. Methods used to ensure a high quality, finished product, include a sprayed on membrane curing compound, polyethylene sheets, waterproof paper or wet burlap.
- ANSWER: Curing. A _________________ is a 12" high cone which determines the amount of water in the mix. - ANSWER: Slump cone. In cases of severe cold weather exposure, the air content in a concrete mix should be about: - ANSWER: 5% to 7% If concrete is exposed to de-icers and it is not air entrained, it will: - ANSWER: Scale or spall. When concrete becomes flaky and fragmented on the surface, this is called: - ANSWER: Scaling. The maximum size aggregate is limited to the lesser of: - ANSWER: One quarter the space between side forms Three quarters the space between reinforcing bars One third the depth of the slab on ground How much does one cubic foot of concrete weigh? - ANSWER: 150 lbs. Concrete is considered to be fully cured or set after ______________days. - ANSWER: 28 days.
Welded wire mesh should be placed ___________ from the top of concrete slab surface. - ANSWER: 2" The white salty powder that forms on the finished surface of concrete is called - ANSWER: Efflorescence. A concrete floor may also be called a: - ANSWER: Slab. Concrete slabs on grade have a tendency to curl because: - ANSWER: The top cures faster. As concrete is placed in a form it needs to be leveled off. This can be done manually or mechanically with a - ANSWER: Power screed. A control joint allows for what? - ANSWER: Movement, expansion or contraction. What is the purpose of adding retarders to a concrete mixture? - ANSWER: To slow down the setting time of concrete. What is added to make concrete more workable with less water? - ANSWER: Water reducers. A one car driveway should have a minimum width of? - ANSWER: 10' A two car wide driveway is usually how wide? - ANSWER: 18'
Where concrete is cast against and permanently exposed to the earth, reinforcement steel should be __________________ from the earth. - ANSWER: 3" In most specifications, adding water to a batch of concrete is permitted only one time at the job site as long as the water/cement ratio is not exceeded. This would be done in order to: - ANSWER: Increase the slump to the level specified in the mix design. A method to prevent cast concrete from excessive shrinking is to: - ANSWER: Lower the cement factor and increase the size of the aggregate. Contraction joints, also known as control joints, in a slab are used to: - ANSWER: Control random cracking. Isolation joints isolate differing parts of a structure to permit independent: - ANSWER: Movement ________________________ are a convenient way to limit the size of the placement of concrete to a manageable volume and are a stopping place for a day's work. - ANSWER: Construction joints. For a slab placed below grade, it is necessary to provide at least 4" of crushed gravel or stone. This should be compacted. It will prevent moisture from collecting under the slab. This 4" area is known as ________________________. - ANSWER: Base. The timing for the removal of forms is important. The concrete has to achieve a strength great enough to support its own weight and the weight of any construction
