IRC 2018
Is plastic composite material permitted for use as exterior stair treads?
Yes Shall comply with the provisions of Section R507.2.2. 2018 IRC Section R311.7.5.4 Exterior plastic composite stair treads.
Wall and ceiling finishes shall have a flame spread index of not greater than _________ .
200 2018 IRC Section R302.9.1 Flame spread index.
Foam plastic shall have a flame spread index of not more than _________ and shall have a smoke-developed index of not more than _________ .
75 450 2018 IRC Section R316.3 Surface burning characteristics.
The seismic provisions of the IRC apply to detached one- and two-family dwellings in Seismic Design Categories _________ .
D0, D1 and D2 2018 IRC Section R301.2.2 Seismic provisions.
For new construction, an approved carbon monoxide alarm shall be installed in what locations?
Outside of each separate sleeping area in the immediate vicinity of the bedrooms CO alarms are not required if there are no fuel-fired appliances and no attached garage. 2018 IRC Section R315.3 Location.
Ramps shall have a maximum slope of _________ unit vertical in _________ units horizontal (8.3-percent slope) where serving the required egress door.
1 12 Exception: Where it is technically infeasible to comply because of site constraints, ramps shall have a maximum slope of one unit vertical in eight units horizontal (12.5-percent slope). 2018 IRC Section R311.8.1 Maximum slope.
Dwelling units in two-family dwellings shall be separated from each other by wall and floor assemblies having not less than _________ -hour fire resistance rating.
1 A fire-resistance rating of 1/2-hour is permitted in sprinklered buildings. 2018 IRC Section R302.3 Two-family dwellings.
Handrails adjacent to a wall shall have a space of not less than _________ inches between the wall and the handrails.
1 1/2 2018 IRC Section R311.7.8.3 Handrail clearance.
Type I handrails with a circular cross section shall have an outside diameter of at least _________ inches and not greater than _________ inches.
1 1/4 2 2018 IRC Section R311.7.8.5 Grip size, Item 1.
Smoke alarms shall be installed in the following locations: 1. ____________________ 2. ____________________ 3. ____________________
1. In each sleeping room 2. Outside each separate sleeping area 3. On each additional story of the dwelling Basements and habitable attics require smoke detectors, but crawl spaces and uninhabitable attics do not. 2018 IRC Section R314.3 Location.
In flood hazard areas, enclosed areas below the design flood elevation shall be used solely for: 1. ____________________ or 2. ____________________ or 3. ____________________ .
1. parking of vehicles 2. building access 3/ storage 2018 IRC Section R322.2.2 Enclosed areas below design flood elevation, Item 1.
Enclosed space under stairs that is accessed by a door or access panel shall have walls, under-stair surface and any soffits protected on the enclosed side with _________ -inch gypsum board.
1/2 2018 IRC Section R302.7 Under-stair protection.
Garages shall be separated from residences and attics by not less than _________ - inch gypsum board or equivalent applied to the garage side.
1/2 Review and know this table. 2018 IRC Table R302.6 Dwelling-Garage Separation.
On stairways, the minimum tread depth shall be _________ inches.
10 2018 IRC Section R311.7.5.2 Treads.
Hot water is water at a temperature greater than or equal to _________ °F.
110 2018 IRC Section R202 Definitions (Definition of HOT WATER).
All exterior footings shall be placed at least _________ inches below the undisturbed ground surface.
12 Where applicable, the depth of footings shall also conform to Sections R403.1.4.1 and R403.1.4.2. 2018 IRC Section 403.1.4 Minimum depth.
A flight of stairs shall not have a vertical rise larger than _________ inches between floor levels or landings
151 2018 IRC Section R311.7.3 Vertical rise.
An application for a permit for any proposed work shall be deemed to have been abandoned _________ days after the date of filing.
180 180 days also applies to extensions. 2018 IRC Section R105.3.2 Time limitation of application.
In a nonsprinklered townhouse building, the common wall between units shall be a minimum _________ - hour _________ - _________ _________ wall assembly.
2 fire-resistance rated A minimum 1-hour fire-resistance rated wall is required where the building is sprinklered. 2018 IRC Section R302.2.2 Common walls, Item 2.
A permit is not required for one-story detached accessory structures, provided that the floor area does not exceed _________ square feet.
200 2018 IRC Section R105.2 Work exempt from permit, Building: Item 1.
Unattached decks not exceeding _________ square feet in area, that are not more than _________ inches above grade, do not require a permit.
200 30 2018 IRC Section R105.2 Work exempt from permit, Building: Item 10.
A clearance of at least _________ inches shall be provided at the front of a shower opening.
24 2018 IRC Figure R307.1 Minimum Fixture Clearances.
On spiral stairways, the minimum width shall be _________ inches. The rise shall be not more than _________ inches between treads. A minimum headroom of _________ feet _________ inches shall be provided.
26 9 1/2 6 6 Each tread having a 63/4-inch minimum tread depth at 12 inches from the narrow edge 2018 IRC Section R311.7.10.1 Spiral stairways.
For dwellings with fire sprinkler systems, exterior walls with a fire separation distance less than _________ feet shall have not less than a 1-hour fire-resistance rating with exposure from the outside.
3 See Note a for subdivisions where all dwellings are sprinklered 2018 IRC Table R302.1(2) Exterior Walls—Dwellings with Fire Sprinklers.
The width of a hallway shall be not less than _________ feet.
3 2018 IRC Section R311.6 Hallways.
For stairs with a straight run, the landing shall have a minimum depth of _________ inches measured in the direction of travel.
36 2018 IRC Section R311.7.6 Landings for stairways.
Bathrooms shall be provided with aggregate glazing area in windows of not less than _________ square feet, one-half of which must be openable.
3 See the exception regarding where a local exhaust system is provided 2018 IRC Section R303.3 Bathrooms.
A nosing projection not less than _________ inch and not more than _________ inches shall be provided on stairways.
3/4 1 1/4 2018 IRC Section R311.7.5.3 Nosings.
On stairways, the greatest riser height within any flight of stairs shall not exceed the smallest by more than _________ inch.
3/8 2018 IRC Section R311.7.5.1 Risers.
On stairways, the greatest tread depth within any flight of stairs shall not exceed the smallest by more than _________ inch.
3/8 2018 IRC Section R311.7.5.2 Treads.
Open-sided walking surfaces located more than _________ inches above the floor or grade below shall have guards not less than _________ inches in height.
30 36 Walking surface height is measured vertically to the floor or grade below at any point within 36 inches horizontally to the edge of the open side. 2018 IRC Section R312.1 Guards, Section R312.1.1 Where required and Section R312.1.2 Height.
What is the minimum uniformly distributed live load for habitable attics and attics served with fixed stairs?
30 pounds per square foot Review of tables will be useful as knowledge of many tables is necessary for the exam. 2018 IRC Table R301.5 Minimum Uniformly Distributed Live Loads.
Where a handrail is installed on one side, the clear width of stairways at handrail height shall be a minimum of ______ inches.
31 1/2 2018 IRC Section R311.7.1 Width.
The required egress door for each dwelling unit shall be side-hinged, and shall provide a minimum clear width of _________ inches.
32 2018 IRC Section R311.2 Egress door.
Handrail height shall be a minimum of _________ inches and a maximum of _________ inches.
34 38 Review the exceptions. 2018 IRC Section R311.7.8.1 Height.
The headroom in all parts of the stairway shall be not less than _________ feet _________ inches.
6 8 2018 IRC Section R311.7.2 Headroom.
Glazing less than _________ inches above the landing at the bottom of a stairway and within _________ inches of the bottom tread nosing must be safety glazing.
36 60 See the exception. 2018 IRC Section R308.4.7 Glazing adjacent to the bottom stair landing.
Stairways shall be not less than _________ inches in clear width at all points above the permitted handrail height and below the required headroom height.
36 Exception: Spiral stairs complying with Section R311.7.10.1. 2018 IRC Section R311.7.1 Width.
Glazing at the side of a stairway where the bottom exposed edge of the glazing is less than _________ inches above the plane of the adjacent walking surface must be safety glazing.
36 See the exceptions. 2018 IRC Section R308.4.6 Glazing adjacent to stairs and ramps.
A landing at an exterior door shall have a minimum dimension of _________ inches measured in the direction of travel.
36 The slope of an exterior landing shall not exceed ¼:12 (2 percent). 2018 IRC Section R311.3 Floors and landings at exterior doors.
Where photovoltaic panels are installed on a roof, a pathway at least _________ inches in width shall be provided to each emergency escape and rescue opening.
36 2018 IRC Section R324.6.2.2 Emergency escape and rescue opening.
For natural ventilation for habitable rooms, the minimum openable area to the outdoors shall be _________ percent of the floor area being ventilated.
4 Natural ventilation shall be through windows, skylights, doors, louvers or other approved openings to the outdoor air. Review the exception for mechanical ventilation. 2018 IRC Section R303.1 Habitable rooms.
Address numbers shall be a minimum of _________ inches high with a minimum stroke width of _________ inch.
4 1/2 (0.5) 2018 IRC Section R319.1 Address identification.
For townhouse separation, a parapet is not required where the roof sheathing is fire-retardant-treated wood for a distance of _________ feet on each side of the wall and there are no penetrations in the roof within _________ feet of the common wall.
4 4 2018 IRC Section R302.2.4 Parapets for townhouses, Item 2 Exception.
In Seismic Design Categories D0, D1 and D2, foundations with stem walls shall be provided with a minimum of one No. _________ horizontal bar within 12 inches of the top of the wall and one No. _________ horizontal bar located 3 to 4 inches from the bottom of the footing.
4 4 2018 IRC Section R403.1.3.1 Concrete stem walls with concrete footings.
Required guards shall not have openings from the walking surface to the required guard height that allow passage of a sphere _________ inches in diameter.
4 See the two exceptions. 2018 IRC Section R312.1.3 Opening limitations.
Where emergency escape and rescue openings are provided, they shall have a sill height of not more than _________ inches above the floor.
44 2018 IRC Section R310.2.2 Window sill height.
Where the air infiltration rate of a dwelling unit is not more than _________ air changes per hour where tested, the dwelling unit shall be provided with _________- _________ mechanical ventilation.
5 whole-house See Section M1505.4. 2018 IRC Section R303.4 Mechanical ventilation.
All emergency escape and rescue openings shall have a minimum net clear opening of _________ square feet. Minimum net clear opening height shall be _________ inches. Minimum net clear opening width shall be _________ inches.
5.7 24 20 Exception: Grade floor openings or below-grade openings shall have a minimum net clear opening of 5 square feet. 2018 IRC Section 310.2.1 Minimum opening area
For rooms with sloped ceilings, at least _________ percent of the required floor area of the room must have a ceiling height of not less than 7 feet.
50 2018 IRC Section R305.1 Minimum height, Exception 1.
Showers and bathtubs with installed shower heads shall be finished with a nonabsorbent surface extending to a height of not less than _________ feet above the floor.
6 2018 IRC Section R307.2 Bathtub and shower spaces.
Bathrooms, toilet rooms and laundry rooms shall have a minimum ceiling height of _________ feet _________ inches.
6 8 2018 IRC Section R305.1 Minimum height.
The grade away from foundation walls shall fall a minimum of _________ inches within the first _________ feet.
6 10 See the exception. 2018 IRC Section R401.3 Drainage.
In areas where the probability of termite infestation is "very heavy," the clearance between foam plastics installed above grade and exposed earth shall be at least _________ inches.
6 2018 IRC Section R318.4 Foam plastic protection.
Portions of basements that do not contain habitable space or hallways shall have a ceiling height of not less than _________ feet _________ inches.
6 8 See allowance for heights of 6 feet 4 inches at beams, girders and ducts. 2018 IRC Section R305.1.1 Basements.
Photoelectric smoke alarms shall not be installed less than _________ feet horizontally from a permanently installed cooking appliance.
6 Unless it would prevent the placement of an alarm in a required location. 2018 IRC Section R314.3.1 Installation near cooking appliances, Item 3.
Dwelling units shall be provided with heating facilities capable of maintaining a minimum room temperature of _________ °F. (Required where the winter design Temperature in Table R301.2(1) is below 60°F.)
68 At a point 3 feet above the floor and 2 feet from exterior walls in all habitable rooms. Portable space heaters shall not be used to achieve compliance with this section. 2018 IRC Section R303.10 Required heating.
Fences that are _________ feet or less in height do not require permits.
7 2018 IRC Section R105.2 Work exempt from permit, Building: Item 2.
Habitable space, hallways and portions of basements containing these spaces shall have a ceiling height of not less than _________ feet.
7 2018 IRC Section R305.1 Minimum height.
Habitable rooms shall be not less than _________ feet in any horizontal dimension.
7 Exception: Kitchens 2018 IRC Section R304.2 Minimum dimensions.
The landing on the exterior side of the required egress door is permitted to be a maximum of _________ inches below the top of the threshold provided that the door does not swing over the landing.
7 3/4 Storm and screen doors shall be permitted to swing over all exterior stairs and landings. 2018 IRC Section R311.3.1 Floor elevations at the required egress doors, Exception.
On stairways, the maximum riser height shall be _________ inches.
7 3/4 2018 IRC Section R311.7.5.1 Risers.
Wood structural panels with a minimum thickness of _________ inch and a maximum span of _________ feet shall be permitted for opening protection in windborne debris regions.
7/16 8 2018 IRC Section R301.2.1.2 Protection of openings, Exception.
Habitable rooms shall have a floor area of not less than _________ square feet.
70 Exception: Kitchens have no minimum area requirement 2018 IRC Section R304.1 Minimum area.
All habitable rooms shall be provided with aggregate glazing area of not less than _________ percent of the floor area of such rooms.
8 Review the three exceptions to the 8-percent requirement. 2018 IRC Section R303.1 Habitable rooms.
The horizontal area of a window well serving an emergency escape and rescue opening shall be not less than _________ square feet.
9 A ladder or steps are required where the vertical depth of the window well exceeds 44 inches. 2018 IRC Section R310.2.3 Window wells.
A pane of glass in a window requires safety glazing if the pane is greater than _________ square feet with a bottom edge less than _________ inches above the floor and a top edge greater than _________ inches above the floor.
9 18 36 See the three exceptions. 2018 IRC Section R308.4.3 Glazing in windows.
Signifies access that requires the removal of an access panel or similar removable obstruction.
Access (to) Ready Access (to) signifies access without the necessity for removing a panel or similar obstruction 2018 IRC Section R202 Definitions.
A finished or unfinished habitable space within an attic.
Attic, Habitable Other conditions relating to occupiable floor area must also be met. 2018 IRC Section R202 Definitions.
Where a referenced code or standard includes subject matter that is within the scope of the IRC, the provisions of the _________ shall take precedence.
IRC 2018 IRC Section R102.4.2 Provisions in referenced codes and standards.
The design and construction of pools and spas shall comply with the _________ .
International Swimming Pool and Spa Code® 2018 IRC Section R326.1 General.
Where the building official issues a permit, the construction documents shall be approved in writing or by a stamp which states _________ _________ _________ _________ .
REVIEWED FOR CODE COMPLIANCE 2018 IRC Section R106.3.1 Approval of construction documents.
A permit is not required for the replacement of branch circuit overcurrent devices (breakers) of the required capacity in the same location (within a panel).
True 2018 IRC Section R105.2 Work exempt from permit, Electrical: Item 3.
An automatic residential fire sprinkler system is not required where _________ or _________ are made to existing townhouses that do not have an automatic residential fire sprinkler system.
additions alterations 2018 IRC Sections R313.1 Townhouse automatic fire sprinkler systems, Exception.
Before issuing a permit, the building official is _________ to examine or cause to be examined buildings, structures and sites for which an application has been filed.
authorized 2018 IRC Section R105.9 Preliminary inspection.
Every dwelling unit shall be provided with a water closet, lavatory, and a _________ or _________ .
bathtub shower 2018 IRC Section R306.1 Toilet facilities.
Required smoke alarms shall receive their primary power from the building wiring, and when primary power is interrupted, shall receive power from a _________ .
battery 2018 IRC Section R314.6 Power source.
Final inspection shall be made after the permitted work is _________ and prior to _________ .
complete occupancy 2018 IRC Section R109.1.6 Final inspection.
Protection of wood and wood-based products from _________ shall be provided in specified locations by the use of naturally durable wood or wood that is preservative-treated.
decay Preservative treatment shall be in accordance with AWPA U1 for the species, product, preservative and end use. 2018 IRC Section R317.1 Location required.
Window wells serving emergency escape and rescue openings shall be designed for proper _________ .
drainage See the exception where the foundation is on Group I soils. 2018 IRC Section R310.2.3.2 Drainage.
Basements, habitable attics and every sleeping room shall have at least one operable _________ _________ and _________ _________ .
emergency escape rescue opening See the two exceptions. 2018 IRC Section R310.1 Emergency escape and rescue opening required.
If located in a flood hazard area, the documentation of elevations required in Section R322.1.10 shall be submitted to the building official prior to the _________ inspection.
final 2018 IRC Section R109.1.6.1 Elevation documentation.
Where there are _________ or more dwelling units in a single structure, the accessibility provisions of IBC Chapter 11 for Group R-3 shall apply.
four (4) 2018 IRC Section 320.1 Scope.
Glazing in all fixed and operable panels of swinging, sliding and bifold doors shall be considered a _________ _________ .
hazardous location See exceptions for decorative glazing and glazed openings through which a 3-inch-diameter sphere cannot pass. 2018 IRC Section R308.4.1 Glazing in doors.
There shall be a floor or _________ at the top and bottom of each stairway.
landing Exception: At the top of an interior flight of stairs, including stairs in an enclosed garage, provided that a door does not swing over the stairs. 2018 IRC Section R311.7.6 Landings for stairways
Physical interconnection of smoke alarms is not required where _________ _________ alarms are installed.
listed wireless All alarms must sound upon activation of one alarm. 2018 IRC Section R314.4 Interconnection.
A wall supporting any vertical load in addition to its own weight is a _________ - _________ wall.
load-bearing 2018 IRC Section R202 Definitions (Definition of WALLS, Loadbearing wall).
The purpose of this code is to establish _________ requirements to safeguard the public safety, health and general welfare.
minimum 2018 IRC Section R101.3 Intent.
Where equipment replacements and repairs must be performed in an emergency situation, the permit application shall be submitted within the _________ _________ business day.
next working ...to the building official. 2018 IRC Section R105.2.1 Emergency repairs.
Garage floor surfaces shall be of approved _________ material.
noncombustible 2018 IRC Section R309.1 Floor surface.
Compliance with the specific _________ -based provisions of the International Codes in lieu of specific requirements of the IRC shall be permitted as an alternative.
performance 2018 IRC Section R104.11 Alternative materials, design and methods of construction and equipment.
A thermal barrier is not required for foam plastic insulation in an attic that is entered only for purposes of _________ or _________ .
repairs maintenance The foam plastic insulation must be protected with approved ignition barrier materials. 2018 IRC Section R316.5.3 Attics.
Where, in any specific case, different sections of this code specify different materials, methods of construction or other requirements, the most _________ shall govern.
restrictive 2018 IRC Section R102.1 General.
An alternative material or method shall be approved where the proposed design is _________ and complies with the _________ of the code.
satisfactory intent 2018 IRC Section R104.11 Alternative materials, design and methods of construction and equipment. Copyright
Doors between the garage and residence shall be equipped with a _________ - _________ _________ .
self-closing or automatic-closing device 2018 IRC Section R302.5.1 Opening protection.
Each dwelling unit shall be provided with a kitchen area and every kitchen area shall be provided with a _________ .
sink 2018 IRC Section R306.2 Kitchen.
Openings from a private garage directly into a room used for _________ _________ shall not be permitted.
sleeping purposes 2018 IRC Section R302.5.1 Opening protection.
In combustible construction, fireblocking shall be provided to cut off all concealed draft openings and to form an effective fire barrier between _________ .
stories 2018 IRC Section R302.11 Fireblocking.
Foam plastic shall be separated from the interior of a building by an approved _________ _________ of not less than _________ -inch gypsum wallboard.
thermal barrier 1/2 Also acceptable is minimum 23/32-inch wood structural panels or a material that is tested in accordance with NFPA 275. 2018 IRC Section R316.4 Thermal barrier.
Carports shall be open on at least _________ sides.
two (2) 2018 IRC Section R309.2 Carports.
