Minnesota Residential Code Flashcards
The International Residential Code is applicable to single-family dwellings a maximum of _____ stories above-grade-plane height.
3
1300.0040 Scope. Subpart 2. pg 3
If there is a conflict in the code between a general requirement and a specific requirement, the ___________ requirement shall apply.
Specific
1300.0010 Administration. Subpart 1. pg 3
Provisions of the appendices do not apply unless ________ ___________.
Specifically Adopted
1300.0040 Scope. Subpart 2.
What is the term used in the IRC to describe the individual in charge of the department of building safety?
Building Official
Section 1300.0070 Definitions
The building official has the authority to __________ the provisions of the code.
Interpret
Section 1300.0110 Duties and Powers of Building Official Subp 1
Used materials may be utilized when ____________ by the building official.
Approved
Section 1300.0110 Duties and Powers of the Building Official Subpart 11
The building official has the authority to grant modifications to the code for individual cases where the strict letter of the code is what?
Impractical
Section 1300.0110 Duties and Powers of Building Official Subpart 12
Unless supporting a surcharge, retaining walls having a maximum height of _______ inches, measured from bottom of the footing to the top of the wall, do not require a permit.
48
Section 1300.0120 Subpart 4 Article (4)
Other than storm shelters, a permit is not required for the construction of one-story detached accessory structure when it has a maximum floor area of ______ sq ft.
200
Section 1300.0120 Subpart 4 Work Exempt from Permit (1)
Prefabricated swimming pools are subject to a building permit where they have a minimum depth of what?
24 inches
Section 1300.0120 Subpart 4 Work Exempt from Permit (10)
Unless an extension is authorized, a permit becomes invalid when work does not commence within _______ days after permit issuance.
180
Section 1300.0120 Subpart 10 Validity of Permit
The building permit or copy of the permit, shall be kept where until the completion of the project?
At the Job Site
Section 1300.0120 Subpart 13 Information and Placement of Permit
When a building permit is issued, the construction documents shall be approved how?
In writing or by stamp
Section 1300.0130 Construction Documents Subpart 6 (A)
Where applicable, which one of the following inspections is not specifically identified by the International Residential Code as a required inspection?
A. Foundation Inspection
B. Frame Inspection
C. Fire-Resistance-Rated Construction Inspection
D. Energy Efficiency Inspection
C. Fire Resistance-Rated Construction Inspection
Section 1300.0210 Inspection Subpart 6 Articles A through M
Whose duty is it to provide access to work in need of inspection?
The permit holder or agent
Section 1300.0210 Inspections Subpart 1
A temporary certificate of occupancy is valid for what period of time?
A period set by the building official
Section 1300.0220 Certificate of Occupancy Subpart 6
The board of appeals is not authorized to rule on an appeal based on a claim that what?
A code requirement shall be waived
Section 1300.0230 Board of Appeals Subpart 3
The membership of the board of appeals shall be what?
Knowledgeable of building construction
Section 1300.0230 Board of Appeals Subpart 2
A permit is not required for construction of a fence with a maximum height of what?
7 ft
Section 1300.0120 Permits Subpart 4 Work Exempt from Permit
When a stop work order is issued, it shall be given to any of the following individuals except for the _________.
A. Owner
B. Owner’s Agent
C. Permit Applicant
D. Person Doing the Work
C. Permit Applicant
Section 1300.0170 Stop Work Order
Which of the following standards is applicable for factory-built fireplaces?
A. ANSI Z21.42-2013
B. CSPC 16 CFR Part 1404
C. NFPA 259-18
D. UL 127-2011
D. UL 127-2011
Section R1004 Factory Built Fireplaces R1004.1 through R1004.5 pg 499
ACI 318-19 is a reference standard addressing what?
Structural Concrete
Section R608 Exterior Concrete Wall Construction R608.1 through R608.2 pg 320
A permit is not required for the installation of a window awning provided the awning projects a maximum of ______ inches from the exterior wall and does not require additional support.
54
Section 1300.0120 Permits Subpart 4 Work Exempt from Permit pg 7
Where a self contained refrigeration system contains a maximum of ______ pounds of refrigerant, a permit is not required.
10
Section 1300.0120 Permits Subpart 4 Work Exempt from Permit C. Mechanical (7)
It is the duty of the ______________ to notify the building official that work is ready for inspection.
Permit holder or their agent
Section 1300.0210 Inspections Subpart 4 Inspection Requests pg 12
What is the role of the building official in relationship the the board of appeal?
Ex officio member
Section 1300.0230 Board of Appeals Subpart 1 Local Board of Appeals pg 14
The issuance of a certificate of occupancy is not required for what maximum size of accessory building?
All accessory buildings are exempt
Section 1300.0220 Certificate of Occupancy Subpart 1 Use and Occupancy Exception B pg 14
What is the weathering probability for concrete for all dwelling sites located in the state of South Dakota?
Severe
Figure R301.2(4) Weathering Probability Map for Concrete pg 89
Unless local conditions warrant otherwise, what is the probability for termite infestation for dwellings constructed in most of Idaho?
Slight to Moderate
Figure R301.2(7) Termite Infestation Probability Map pg 92
Where wood structural panels are used to protect windows in buildings located in wind borne debris regions, #8 wood screws shall be located at a maximum of _______ on center to fasten those panels that span 8 feet.
8 inches
Table R301.2.1.2 Windborne Debris Protection Fastening
Where a referenced document is based upon nominal design wind speeds and no conversion between ultimate design wind speeds and nominal design wind speeds is provided, an ultimate design wind speed of 115 mph shall be converted to a nominal wind speed of what?
89 mph
Table R301.2.1.4 Wind Speed Conversions pg 93
What wind exposure category is appropriate for a dwelling located in a residential development in a suburban area?
Exposure B
R301.2.1.4 Exposure Category #1 pg 75
The seismic design category for a site have a calculated S^ds of 0.63g is what?
D^0
Table R301.2.2.1.1 Seismic Design Category Determination pg 96
Habitable attics shall be designed with a minimum uniformly distributed live load of _______ psf.
30
Table R301.5 Minimum Uniformly Distributed Live Loads pg 98
For a dwelling assigned to seismic design category D^2 and constructed under the conventional provisions of the IRC, what is the maximum dead load permitted for 8-inch-thick masonry walls?
80 psf
Section R301.2.2.2 Weight of Materials #5 pg 96
A portion of a building is considered irregular for seismic purposes when a floor opening, such as a stairway, exceeds the lesser of 12 feet or ____________ of the least floor dimension.
50 percent
Section R301.2.2.6 Irregular Buildings #4 Floor and Roof Opening pg 97
Buildings constructed in regions where the ground snow load exceeds a minimum of ________ must be designed in accordance with accepted engineering practice.
70 psf
Section R301.2.3 Snow Loads pg 98
For rooms other than sleeping rooms, what is the minimum uniformly distributed live load that is to be used for the design of the floor system?
40 psf
Table R301.5 Minimum Uniformly Distributed Live Loads pg 98
A minimum uniformly distributed live lord of 10 psf is to be used for the design of uninhabitable attic areas without storage having a maximum clear height between the joists and the rafters of _______ inches.
42
Table R301.5 Minimum Uniformly Distributed Live Loads Exception B pg 98
A minimum uniformly distributed live load of __________ shall be used for the design of sleeping rooms.
30 psf
Table R301.5 Minimum Uniformly Distributed Live Loads pg 98
Where no snow load is present, what is the minimum roof design live load for a 240 square foot tributary-loaded roof area having a slope of 8:12?
14 psf
Table R301.6 Minimum Roof Live Loads In Pounds-Force Per Square Foot of Horizontal Projection pg 99
What is the maximum allowable deflection for floor joists?
L/360
Table R301.7 Allowable Deflection of Structural Members pg 99
The maximum allowable deflection permitted for 7:12-sloped rafters with no finished ceiling attached to the rafters is _________.
L/180
Table R301.7 Allowable Deflection of Structural Members pg 99
A fire-resistance rating is not required for exterior walls of nonsprinklered dwellings having a minimum fire separation distance of ____________.
5 feet
Table R302.1(1) Exterior Walls pg 100
A roof projection on a dwelling shall be located a minimum of ______ feet from an interior lot line.
2
Table R302.1(1) Exterior Walls pg 100
Tool and storage sheds, playhouses and similar accessory structures having a maximum floor area of _____________ are not required to have exterior wall protection based on location on the lot.
200 sq ft
Section 1300.0120 Permits and R302.1 Exterior walls Exception #3 pg 99 and 7
Walls and ceiling finishes shall have a maximum flame spread index of ________.
200
R302.9.1 Flame Spread Index pg 103
Where located in an exterior wall having a minimum required fire-resistance rating of one hour, through penetrations shall be protected with an approved penetration fire stop system having a minimum F-Rating of __________.
1 hour
R302.4.1.2 Penetration Firestop System pg 102
Where a detached garage is located within 2 feet of a lot line, the maximum eave projection is limited to _______ inches.
4
R302.1 Exterior Walls Exception #4 pg 99 and 100
For wind design purposes, a building located along the shoreline in the Great Lakes region is categorized as Exposure ______ where exposed to wind coming from over the water.
D
R301.2.1.4 Exposure Category #3 pg 75
Where a solid wood door is installed as a permitted opening between a garage and a residence, the minimum thickness of the door shall be _________ inches.
1 3/8 inches
R302.5.1 Opening Protection pg 103
When a common wall is used to separate townhouses provided with a fire sprinkler system in accordance with section 2904, it shall have a minimum _______ fire-resistance rating.
1-hour
R302.2.2 Common Walls pg 101
An in-fill panel for a guard shall be designed to withstand a minimum load of __________ applied horizontally on an area of 1 square foot.
50 pounds
Section R301.5 Table Minimum Uniformly Distributed Live Loads Exception F pg 98 and 99
Where wood structural panels are used to provide windborne debris protection for glazed opening, the fasteners shall be long enough to penetrate through the sheathing and into wood wall framing a minimum of ______ inches.
2
Table R301.2.1.2 Windborne Debris Protection Fastening Schedule for Wood Structural Panels Exception C pg 75
In the determination of the allowable deflection for cantilevered structural members, “L” shall be taken as _________ the length of the cantilever.
Twice
R301.7 Allowable Deflection of Structural Members Exception B pg 99
Attic spaces served by a fixed stair shall be designed to support a minimum live load of ________.
30
Table R301.5 Minimum Uniformly Distributed Live Loads pg 98
Unless listed for lesser clearance, combustible insulation shall be separated a minimum of _______ inches from recessed luminaires, fan motors and other heat producing devices.
3
R302.14 Combustible Insulation Clearance
The aggregate area of openings in an exterior wall of a nonsprinklered dwelling located with a fire separation distance of four feet is limited to a maximum of ________ percent of the exterior wall area.
Table R302.1(1) Exterior Walls Column “Openings in Walls” pg 100
The clearance in front of an accessible bathtub must be a minimum of ______ inches in depth and extend the length of the tub.
30
Section 607.2 Clearance pg 96
Where a permanent seat is provided at the head end of an accessible bathtub, the clearance must extend a minimum of _______ inches beyond the wall at the head end of the bathtub.
12
Section 607.2 Clearance pg 96
The lower grab bar required on the back wall of an accessible bathtub must be located ______ inches minimum and _______ inches maximum above the rim of the tub.
8
10
Section 607.4.2.1 Back Wall pg 97
The upper grab bar required on the back wall of an accessible bathtub must be located a minimum of ______ inches and a maximum of _______ inches above the tub floor.
33
36
Section 607.4.2.1 Back Wall to Section 609.4.1 General pg 97 and 102
Each of the grab bars on the back wall of an accessible bathtub with a permanent seat must be located a maximum of _____ inches from the head end of the wall and extend to ______ maximum from the control end wall.
15
12
Section 607.4.1.1 Back Wall pg 96
Each of the grab bars on the back wall of an accessible bathtub without a permanent seat must be ______ inches in length.
24
Section 607.4.2.1 Back Wall pg 97
The required horizontal grab bar on the control end wall of an accessible bathtub must be a minimum of ________ inches in length.
24
Section 607.4.1.2.1 Horizontal Grab Bar pg 97
The required vertical grab bar on the control end wall of an accessible bathtub must be a minimum of ______ inches in length.
18
Section 607.4.1.2.2 Vertical Grab Bar pg 97
On the control end wall of an accessible bathtub, the vertical grab bar must be located a minimum of ______ inches and a maximum of _____ inches above the horizontal grab bar.
3
6
Section 607.4.1.2.2 Vertical Grab Bar pg 97
At the head end wall of an accessible bathtub without a permanent seat, a horizontal grab bar a minimum of _______ inches in length must be installed at the front edge of the tub.
12
Section 607.4.2.3 Head End Wall pg 97
Which of the following locations is not acceptable for the controls of an accessible bathtub?
A. On an end wall
B. On the back wall
C. Between the tub rim and the grab bar
D. Between the open side of the tub and it’s centerline
B. On the back wall
Section 607.5 Controls pg 97
In a standard roll-in shower, the controls and hand shower shall be located on the back wall ____________ and ______ inches maximum above the shower floor.
Above the grab bar
48
Section 608.4.2 Standard Roll-In Showers pg 100
Accessible bathtubs and showers must deliver water that is a maximum of _______ degrees F.
120
Section 607.8 Water Temperature and Section 608.8 Water Temperature
Accessible transfer-type shower compartments must a clear inside dimension of ________________ measured at the center point of opposing sides.
36 inches by 36 inches
Section 608.2.1.1 Size pg 98
A minimum clearance of ______ in length, measured perpendicular from the control wall, and ______ inches in depth is required adjacent to the open face of an accessible transfer-type shower compartment.
48
36
Section 608.2.1.2 Clearance pg 98
Standard roll-in-type shower compartments must have a minimum clear inside dimension of ________________, measured at the center point of opposing side.
60 inches wide by 30 inches deep
Section 608.2.2.2 Clearance pg 98
When the natural light is used to satisfy the minimum light requirements for habitable rooms, the aggregate glazing area shall be a minimum of ___________ of the floor area.
8 percent
Section R303.1 Habitable Rooms pg 105
When natural ventilation is used to satisfy the minimum ventilation requirements for habitable rooms, the aggregate open area to the outdoors shall be a minimum of ____________ of the floor area.
4 percent
Section R303.1 Habitable Rooms pg 105
Garage sprinklers, when required, shall be residential sprinklers or quick response sprinklers, designed to provide a density of ________ gpm/sf.
0.05
R309.5 Fire Sprinklers to R313.3 Installation Requirements pg 111
Where applicable escape and rescue openings are provided and a whole house mechanical ventilation system or a mechanical ventilation system capable of producing 0.35 air changes per hour in the habitable rooms is installed, glazing is not required for natural light purposes if artificial light is provided capable of producing an average illumination of ______ footcandles over the area of the room at a height of 30 inches above the floor level.
6
R303.1 Habitable Rooms Exception 1 and 2 pg 105
Habitable rooms other than the kitchen shall have a minimum floor area of ______ sq ft.
70
R304.1 Minimum Area pg 106
The floor area beneath a furred ceiling can be considered to be contributing to the minimum required habitable area for the room where it has a minimum height of __________ above the floor.
7 feet
Section R305.1 Minimum Height, New Buildings, Exception 1 pg 107
Other than in a kitchen, what is the minimum permitted horizontal dimension of any habitable room?
7 feet
Section R304.2 Minimum Dimensions pg 106
In general, the minimum required ceiling height of all habitable rooms is _______________.
6 feet 8 inches
Section R305.1.1 Basements, New Buildings pg 107
Ceilings in portions of basements without habitable spaces shall have a minimum ceiling height of _____________ from the finished floor to beams, ducts, or other obstructions.
6 feet 4 inches
Section R305.2.1 Minimum Ceiling Height, Existing Buildings pg 107
Within a shower compartment, the walls shall be finished with a nonabsorbent surface to a minimum height of _____________.
72 inches
Section R307.2 Bathtub and Shower Spaces pg 107
Complying heating facilities are not required in dwelling units where the winter design temperature of the locale is a minimum of _________.
60 degrees Fahrenheit
Section R303.10 Required Heating pg 106
Where located 5 feet above the walking surface, glazing in a wall adjacent to an outdoor hot tub shall be considered to be installed in a hazardous location unless the glazing is a minimum of __________ horizontally from the waters edge.
5 feet
Section R308.4.5 Glazing and Wet Surfaces, See Exception pg 109
A skylight is defined by the IRC as a glass or other glazing material installed at a minimum slope of ______________.
15 degrees from vertical
Section R308.6.1 Definitions and Chapter 2 Skylights pg 109 and 70
Curbs are not required for skylights installed on roofs having a minimum slope of _______.
3:12
R308.6.8 Curbs for Skylights pg 110
A screen used to
Protect an air exhaust opening that terminates outdoors shall have a minimum opening size of ______ inch and a maximum openings size of ______ inch.
1/4”
1/2”
Section R303.6 Outside Opening Protection pg 106
Regular glass used in louvered window shall be a minimum of ______ inch in nominal thickness.
3/16”
R308.2 Louvered Windows and Jalousies pg 108
Emergency escape and rescue openings shall be located a maximum distance of ___________ above the floor where measured to the bottom of the clear opening.
44 inches
Section R310.2.2 Window Sill Height
Emergency escape and rescue openings, when considered as grade floor openings, shall have a minimum net clear openings of what?
5.0 sq ft
Section R310.2.1 Minimum Opening Area, See Exception pg 111
For an emergency escape and rescue opening, the minimum net clear opening height dimension shall be _________ and the minimum net clear opening dimension shall be _____________.
24 inches
5.7 square feet
Section R310.2.1 Minimum Opening Area pg 111
Where an area well is required in conjunction with an escape and rescue opening, the area well shall have a minimum horizontal area of ______ square feet with a minimum horizontal projection and width of _______________.
9.0
36 inches
Section R310.2.3 Window Wells pg 111
A 6 square foot skylight pane of laminated glass shall have a minimum _____________ polyvinyl butyral interlayer where located 14 feet above the walking surface.
0.030 inch
Section R308.6.2 Materials #1 pg 109
Unless located at least 3 feet below the contaminant source, a mechanical outdoor air intake opening shall be located a minimum of ______ feet from a plumbing vent.
10
Section R303.5.1 Intake Openings pg 106
The illumination source for interior stairways shall be capable of illuminating the treads and landings to a minimum level of _____ footcandle as measured at the center of treads and landings.
1
R303.7 Interior Stairway Illumination pg 106
A shower shall have a minimum ceiling height of ___________ above an area of not less than 30 inches by 30 inches at the shower head.
6 feet 8 inches
Section R305.1 Minimum Height New Building, Exception #2 pg 107
A six square foot glazed panel adjacent to a door to a storage closet is not required to be safety glazing provided the closet is a maximum of ___________ in depth.
36 inches
Section R308.4.2 Glazing Adjacent to Doors, Exception #3 pg 108
Glazing in a door is not required to be safety glazing where a minimum ________ sphere is unable to pass.
3 inch
Section R308.4.1 Glazing in Doors, Exception #1 pg 108
Where area wells are provided for escape and rescue openings, area well drainage is not required where the building foundation is supported by Group ______ soils.
I or one
Section R310.2.3.2 Drainage, See Exception pg 111
Where lighting outlets are installed in interior stairways, a wall switch shall be provided at each floor level to control the light outlet where the stairway has a minimum of ______ risers.
Six
Section R303.7 Interior Stairway Illumination pg 108
A 4 square foot glazed panel installed in an entry door shall have a minimum glazing category classification of Category _____ when tested in accordance with CPSC 16 CFR 1201.
I or one
Table R308.3.1(1) Minimum Category Classification of Glazing Using CPSC 16 CFR 1201 pg 108
Except for storm shelters and those basements with a maximum floor area of _______ square feet used only to house mechanical equipment, all basements in nonsprinklered dwelling units shall be provided with at least one operable emergency escape and rescue opening.
200
Section R310.1 Emergency Escape and Rescue Opening Required, Exception #1 pg 111
An emergency escape and rescue opening may be installed under a deck or porch, provided a minimum height of ______ inches and minimum width of ______ inches are maintained to a yard or court.
36
36
Section R310.2.4 Emergency Escape and Rescue Openings Under Decks and Porches pg 111
The minimum width of a hallway shall be what?
36 inches
Section R311.6 Hallways pg 113
Where a stairway has a straight run, the stairway landing shall have a minimum depth of _____ inches measured in the direction of travel.
36
Section R311.7.6 Landings for Stiarways pg 114
Unless technically infeasible due to site constraints, the maximum slope of a ramp serving the required egress door shall be one unit vertical, in _________ units horizontal.
Eight
Section R311.8.1 Maximum Slope pg 115
Handrails are not required on ramps having a maximum slope of what? (MN Residential)
1:12
Section R311.8.3 Handrails Required pg 116
Where a 42 inch wide ramp changes direction, the width of the landing perpendicular to the ramp slope shall be a minimum of ______ inches. (MN Residential)
36
Section R311.8.2 Landings Required pg 116
For other than spiral stairways, stairways shall be a minimum __________ in clear width at all points above the permitted handrail height and below the required headroom height.
36
Section R311.7.1.2 Width pg 113
Where a handrail is provided on one side of a stairway, what is the minimum required clear width at and below the handrail height in a home?
31 1/2 inches
Section R311.7.1.2 Width pg 113
For other than spiral stairways, stairways shall have a maximum riser height of _______ and a maximum tread run of ___________.
7 3/4 inches
10 inches
Section R311.7.5.1 Risers and Section R311.7.5.2 Treads pg 113 and 114
The maximum variation between the greatest riser height and the smallest riser height within any flight of stairs shall be what?
3/8 inch
Section R311.7.5.1 Risers pg 113
Unless a minimum tread depth of ___________ is provided, a minimum 3/4 inch nosing is required at the leading edge of all treads.
11 inches
Section R311.7.5.3 Nosings, See Exception pg 114
Unless a stairway, other than a spiral stairway, has a total rise of no more than 30 inches, the opening between treads at open risers shall be such that a minimum _________ sphere shall not pass through.
4 inch
Section R311.7.5.1 Risers pg 113
What is the maximum riser height permitted for spiral stairways?
9 1/2 inches
Section R311.7.10.1 Spiral Stairways pg 115
Stairway handrail height shall be, measured vertically from the sloped plane adjoining the tread nosing, a minimum of __________ and a maximum of __________.
34 inches
38 inches
R311.7.8.1 Height pg 114
Where a stairway handrail is located adjacent to a wall, a minimum clearance of _______ inches shall be provided between the wall and the handrail.
1 1/2 inches
R311.7.8.3 Handrail Clearance pg 114
A Type I handrail having a circular cross section shall have a minimum outside diameter of ______ inches and a maximum outside diameter of ______ inches.
1 1/4
2
Section R311.7.8.5 Grip Size #1 pg 115
A porch, balcony or similar raised floor surface more than 30 inches above the floor or grade below shall be provided with a guard having a minimum height of what?
36 inches
Section R312.1.2 Height pg 116
Required guards on open sides of raised floor areas shall be provided with intermediate rails or ornamental closures such that a minimum __________ sphere can not pass through.
4 inch
Section R312.1.3 Opening Limitations
Which of the following areas in a dwelling unit does not specifically require the installation of a smoke alarm?
A. Basement
B. Living room
C. Habitable attic
D. Sleeping room
Section R314.3 Location pg 117
Where gypsum wallboard is used as a thermal barrier to separate foam plastic from the interior of the dwelling, the separation shall be a minimum _______ gypsum board.
1/2 inch
Section R316.4 Thermal Barrier pg 119
When carbon monoxide alarms are required in new construction, they shall be installed where?
Outside of each separate sleeping area
Section R315.3 Location pg 119
An automatic fire sprinkler system shall be provided in all buildings containing _______ or more townhouses.
3
Section R313.1 Townhouses Automatic Fire Sprinkler Systems, Exception #1 pg 116
In new construction, carbon monoxide alarms are required in dwelling units where what?
Where fuel-fired appliances are installed
That have attached garages with an opening to the dwelling
Section R315.2.1 New Construction pg 118
Unless they are made of pressure preservative treated or naturally durable wood, wood framing members that rest on masonry or concrete exterior foundation walls shall be located a minimum of ___________ from exposed ground.
8 inches
Section R317.1 Location Required #2 pg 121
Where stair risers are not vertical, they shall be sloped under the tread above at a maximum angle of _________ from vertical.
30 degrees
Section R311.7.5.1 Risers pg 113 and 114
Where foam plastic is spray applied to a sill plate without a thermal barrier, it shall have a maximum density of ______ pcf.
2.0
Section R316.5.11 Sill Plates and Headers #2 pg 120
The maximum width above the recess of a Type II handrail shall be ____________ inches.
2 3/4
Section R311.7.8.5 Grip Size #2 pg 115
Handrails shall be provided on at least one side of a stairway having a minimum of ______ risers.
4
Section R311.7.8 Handrails
What is the minimum required clear opening for an egress door from a dwelling unit?
32 inches by 78 inches
Section R311.2 Egress Door pg 112
Where the door does not swing over the landing, the exterior landing at a required egress door shall be located a maximum of _________ inches below the top of the threshold.
7 3/4
Section R311.3.1 Floor Elevations at the Required Egress Doors, See Exception pg 113
Where nosings are required on a stairway with solid risers, the nosings shall extend a minimum of _______ inches and a maximum of ________ inches beyond the risers.
3/4
1 1/4
Section R311.7.5.3 Nosings pg 114
Address numbers used for house identification shall have a minimum height of _____ inches.
4
Section R319.1 Address Identification pg 123
Openings for required guards on the sides of stair treads shall be provided with intermediate rails or ornamental closures such that a minimum _________ inch sphere cannot pass through.
4 3/8
Section R312.1.3 Openings Limitations, Exception #2 pg 116
Unless grading is prohibited by physical barriers, lots shall be graded away from the foundation with a minimum fall of __________ within the first ___________.
6 inches
10 feet
Section R401.3 Drainage pg 127
In the absence of a complete geotechnical evaluation to determine the soil’s characteristics, sandy gravel material shall be assumed to have a presumptive load bearing value of what?
3000 psf
Table R401.4.1 Presumptive Load Bearing Values of Foundation Materials pg 127
Concrete used in a home basement slab shall have a minimum compressive strength of _________ where a severe weathering potential exists.
2500 psi
R402.2 Concrete and Table R402.2 Minimum Specified Compressive Strength of Concrete pg 128
Air entrainment for concrete subjected to weathering, when required for locations other than garage floors with a steel troweled finish, shall have a total air content of __________ minimum and __________ maximum.
5 percent
7 percent
Table R402.2 Minimum Specified Compressive Strength of Concrete, Exception D pg 128
Where there is evidence that the groundwater table can rise to within _____ inches of the finished floor at the residential home perimeter, the grade in the under-floor space shall be as high as the outside finished grade unless an approved drainage system is provided.
6
Section R408.6 Finished Grade pg 175
Where a permanent wood foundation basement wall system is used, the wall shall be supported by a minimum ___________ footing plate resting on gravel or crushed stone fill a minimum of ______ in width.
2 inch by 8 inch
16 inches
Figure R403.1(2) Permanent Wood Foundation Basement Wall Section pg 134
Where a masonry stem wall is supported on a concrete footing for a home constructed in Seismic Design Category D^2, a minimum of one No. 4 vertical bar shall be installed at a maximum of __________ on center.
48 inches
Section R403.1.3.2 Masonry Stem Walls With Concrete Footings pg 129
All exterior footings for a home shall be placed a minimum of ___________ below the undisturbed ground surface.
12 inches
Section R403.1.4 Minimum Depth pg 137
The maximum permitted slope for the bottom surface of footings shall be what?
1:10
Section R403.1.5 Slope pg 137
For a two story dwelling assigned to Seismic Design Category Category B, anchor bolts used to attach wood sill plates to foundation walls shall be spaced a maximum of ___________ on center.
6 feet
Section R403.1.6 Foundation Anchorage pg 137
Anchor bolts used to attach a wood sole plate to a concrete foundation shall be a minimum of ________ in diameter and extend a minimum of __________ into the concrete.
1/2 inch
7 inches
Section R403.1.6 Foundation Anchorage pg 137
Soil described as “sandy clay” has a Unified Soil Classification System Symbol of ______ and is considered to be in Soil Group ____.
CL
II
Table R405.1 Properties of Soils Classified According to the Unified Soil Classification System pg 173
In order to use frost protected shallow foundations, the monthly mean temperature of the home must be maintained at a minimum of what?
64 degrees F
Section R403.3 Frost-Protected Shallow Foundations pg 139
A dwelling located in an area with an air freezing index of 3500 is constructed with a frost protected shallow foundation. What is the minimum required horizontal insulation R-value at the corners of the foundation?
11.2
Table R403.3(1) Minimum Footing Depth and Insulation Requirements for Frost Protected Footings in Heated Buildings pg 140
A 9 foot high plain masonry foundation wall in a dwelling is subjected to 7 feet of unbalanced backfill. If the soil class is GC, what is the minimum required nominal wall thickness?
10 inches grout
Table R404.1.1(1) Plain Masonry Foundation Walls pg 151
An 8 foot high, flat concrete basement wall of nominal 10 inch thickness is subjected to 6 feet of unbalanced backfill. If the soil class is GP, what minimum vertical reinforcement is required?
No vertical reinforcement required
Table R404.1.2(4) Minimum Vertical Reinforcement for 10-inch Nominal Flat Concrete Basement Walls pg 160
Where masonry veneer is used on a dwelling, concrete and masonry foundations shall extend a minimum of __________ above adjacent finished grade.
4 inches
Section R404.1.6 Height Above Finished Grade pg 171
Where the foundation wall supports a minimum of _________ of unbalanced backfill, backfill shall not be placed against the wall until the wall has sufficient strength and has been anchored to the floor above or has been sufficiently braced.
4 feet
Section R404.1.7 Backfill Placement pg 171
Where wood studs having an F^b value of 1320 are used in a wood foundation wall, the minimum stud size shall be ___________ and the maximum stub spacing shall be _________.
2 inches by 6 inches
16 inches
Section R404.2.2 Stud Size pg 171
What is the maximum height of backfill permitted against a wood foundation wall not designed by AWC PWF?
4 feet
Section R404.2.3 Height of Backfill pg 171
Required foundation drains of gravel or crushed stone shall extend a minimum of _________ beyond the outside edge of the footing and ________ above the top of the footing.
12 inches
6 inches
Section R405.1 Concrete or Masonry Foundations pg 172
As a general rule where openings are used for under floor ventilation, the under floor space between the bottom of floor joists and the earth shall be provided with ventilation openings sized for a minimum net area of 1 square foot for each ________ square feet of under floor area.
Section R408.1 Ventilation pg 174
Access to an under floor space through a perimeter wall shall be provided by a minimum _________________ access opening.
16 inch by 24 inch
Section R408.4 Access pg 175
Gravel used as a footing material for a wood foundation shall be washed, well graded and have a maximum stone size of ______ inch.
3/4
Section R403.2 Footings for Wood Foundations pg 139
Horizontal insulation used in a frost protected shallow foundation system shall be protected against damage if it is located less than _______ inches below the ground surface.
12
Section R403.3.2 Protection of Horizontal Insulation Below Ground pg 139
Where waterproofing of a masonry foundation wall is necessary due to the presence of a high water table, a minimum membrane thickness of _________ is required if the waterproofing material is polymer-modified asphalt.
40-mil
Section R406.2 Concrete and Masonry Foundation Waterproofing #5 pg 174
Ventilating openings providing under floor ventilation shall be located so that at least one such opening is installed a maximum of _____ feet from each external corner of the building.
3
Section R408.1 Ventilation pg 174
A minimum of _____ anchor bolt located ________________ of the plate section is required to anchor maximum 24 inch long walls connecting offset braced wall panels.
1
Within the middle third
Section R403.1.6 Foundation Anchorage Exception #2 pg 137
Unless specifically approved, what is the maximum slump permitted for concrete placed in removeable foundation wall forms?
6 inches
Section R404.1.3.3.4 Proportioning and Slump pg 167
Steel columns used as part of a foundation system for a dwelling shall be a minimum of ____ inch diameter schedule 40 pipe size or approved equivalent.
3
Section R407.3 Structural Requirements pg 174
The continuous vapor barrier required in an invented crawl space shall extend a minimum of __________ up the stem wall.
6 inches
Section R408.3 Unvented Crawl Space pg 175
A minimum design live load of ________ shall be used for the determination of the maximum allowable floor joist spans in attics that are accessed by a fixed stairway.
30 psf
Section R502.3.1 Sleeping Areas and Attic Joists pg 177
Where 2 inch by 10 inch floor joists of #2 hem-fir are spaced at 16 inches on center, what is the maximum allowable span where such joists support a sleeping room and a dead load of 10 psf?
16 ft 10 inches
Table R502.3.1(1) Floor Joist Span For Common Lumber Species (Sleeping Areas) pg 179
Where 2 inch by 10 inch floor joists of #1 spruce pine fir are spaced at 16 inches on center, what is the maximum allowable span where such joists support a living room and a dead load of 20 psf?
14 feet 1 inch
Table R502.3.1(2) Floor Joist Spans for Common Lumber Species (Residential Living Areas) pg 181
Where the ground snow load is 30 psf, what is the maximum allowable span of a built up spruce pine fir girder consisting of three 2 by 12’s when it is located at an exterior bearing wall and supports a roof, a ceiling and one center bearing floor in a building having a width of 24 feet?
8 feet 5 inches
Table R602.7(1) Girder Spans and Header Spans for Exterior Bearing Walls pg 230
Where a built up girder of three southern pine 2 by 10s is used for an exterior bearing wall, what is the minimum number of jack studs required to support a girder that carries a roof, ceiling and one clear span floor in a home having a width of 12 feet?
2
Table R602.7(1) Girder Spans and Header Spans for Exterior Bearing Walls pg 230
What is the maximum allowable girder span for an interior bearing wall using a built up girder consisting of three hem fir 2 by 10s and supporting one floor in a home having a width of 36 feet?
6 feet 7 inches
Table R602.7(1) Girder Spans and Header Spans for Interior Bearing Walls pg 232
Doubled joists under parallel bearing partitions that are separated to permit the installation of piping or vents shall be blocked at maximum intervals of ______ on center.
48 inches
Section R502.4 Joists Under Bearing Partitions pg 183
Where not supported on a ribbon strip, the ends of floor joists shall bear a minimum of _______ on wood or metal.
1 1/2 inches
Section R502.6 Bearings pg 183
Where floor joists frame from opposite sides across the top of a wood girder and are lapped the minimum lap shall be what?
3 inches
Section R502.6.1 Floor Systems pg 183
Bridging shall be provided to support floor joists laterally where the minimum 2x joist depth exceeds _________ nominal size.
12 inches
Section R502.7.1 Bridging of 183
What is the maximum permitted length of a notch in a floor joist?
1/3 the depth of the joist
Section R502.8.1 Sawn Lumber pg 183
A hole bored through a floor joist shall have a maximum diameter of what?
1/3 the depth of the joist
Section R502.8.1 Sawn Lumber pg 183
Where a solid lumber floor joist is both notched and bored, a minimum of _____ inches shall be provided between the notch and the bored hole.
2
Section R502.8.1 Sawn Lumber pg 183
Where a ceiling is suspended below the floor framing, draftstops shall be installed so that the maximum area of any concealed space is _________ sq ft.
1000
Section R502.12 Draftstopping Required and Section R302.12 Draftstopping pg 105 and 186
Where wood structural panels are used for the required draftstops in concealed floor/ceiling assemblies, what is the minimum thickness mandated?
3/8 inch
Section R502.12 Draftstopping Required and Section R302.12 Draftstopping pg 105 and 186
Wood structural panels 15/32 inch thick are to be used as subfloor sheathing and are to be covered with 3/4 inch wood finish flooring installed at right angles to the joists. What is the maximum allowable span of the wood structural panels if the span rating of the panels is 32/16?
24 inches
Table R503.2.1.1(1) Allowable Spans and Loads for Wood Structural Panels for Roof and Subfloor Sheathing
Where Species Group 2 sanded plywood is used as combination subfloor underlayment, what is the minimum required plywood thickness where the joists are spaced at 16 inches on center?
5/8 inch
Table R503.2.1.1(2) Allowable Spans for Sanded Plywood Combination Subfloor Underlayment pg 187
Steel floor framing constructed in accordance with the prescriptive provisions of the IRC is limited to buildings a maximum of _____ stories above grade plane with each story have a maximum length perpendicular to the joist span of ______ feet and a maximum width of ______ feet parallel to the joist span.
3
60
40
Section R505.1.1 Applicability Limits pg 188
Screws attaching floor sheathing to cold-formed steel joists shall be installed with a minimum edge distance of _______ inch.
3/8
Section R505.2.5 Fastening pg 189
In steel floor framing system, No. 8 screws spaced at a maximum of ____ inches on center on the edges and _____ inches on center at the intermediate supports shall be used to fasten the subfloor to the floor joists.
6
12
Table R505.3.1(2) Floor Fastening Schedule pg 193
Cold formed 33 ksi steel joists are installed as single spans at 16 inches on center in the floor framing system for a dwelling. If the nominal joist size is 800S162-43, the maximum span for a 40 psf live load is what?
13 feet 5 inches
Table R505.3.2 Allowable Spans for Cold-Formed Steel Joists pg 198
Where a wood beam does not bear directly on masonry wall, a 2 inch thick sill plate must be provided under the beam with a minimum nominal bearing area of ______ square inches.
48
Section R502.6 Bearing pg 182
The maximum fill depth when preparing a site for construction of a concrete slab on ground floor for a dwelling is __________ for earth and ____________ for clean sand or gravel.
8 inches
24 inches
Section R506.2.1 Fill pg 203
A base course is not required for the prepared sub grade for a concrete floor slab below grade where the soil is classified as what?
GM
Section R506.2.2 Base, See Exception then to Table R405.1 Soil Classifications pg 203 and 173
Where a vapor retarder is required between a concrete floor slab and the prepared subgrade, the joints of the vapor retarder shall be lapped a minimum of what?
6 inches
Section R506.2.3 Vapor Retarder pg 203
Where supporting only a light frame exterior bearing wall and roof, what is the maximum cantilever span for 2 by 10 floor joist spaced 16 inches on center, provided the roof has a width of 32 feet and the ground snow load is 30 psf?
18 inches
Table R502.3.3(1) Cantilever Spans for Floor Joists Supporting Light Frame Exterior Bearing Wall and Roof only pg 184
Where supporting an exterior balcony in an area having a ground snow load of 50 psf, what is the maximum cantilever span for 2 by 12 floor joists space at 16 inches on center?
67 inches
Table R502.3.3(2) Cantilever Spans for Floor Joists Supporting Exterior Balcony pg 184
Unless the joists are of sufficient size to carry the load, bearing partitions perpendicular to floor joists shall be offset a maximum of _________________ from supporting girders, walls or partitions.
The depth of the floor joists
Section R502.4 Joists Under Bearing Partitions pg 183
Where an opening in floor framing is framed with a single header joist the same size as the floor joist, the maximum header joist span shall be ______ feet.
4
Section R502.10 Framing of Openings pg 185
If a base course is required for a concrete floor slab installed below grade, the minimum thickness of the base course shall be _____ inches.
4
Section R506.2.2 Base pg 203
Unless supported by other approved means, the ends of each joist, beam or girder shall have a minimum of _____ inches of bearing on masonry or concrete.
3
Section R502.6 Bearing pg 183
Notches at the ends of solid lumber joists, rafters and beams shall have a maximum depth of what?
One fourth the depth of the member
Section R502.8 Cutting, Notching, Drilling pg 185
Holes bored into solid lumber joists, rafter and beams shall be located a minimum of ________ from top or bottom of the member.
2 inches
Section R502.8.1 Sawn Lumber pg 183
Deck beams are permitted to cantilever at each end a maximum of ______ the actual beam span.
1/4
Section R507.5 Deck Beams pg 207
Where reinforcement is provided in concrete slab on ground floors, the reinforcement shall be supported to remain within what section of the slab during the concrete placement?
The center to upper one third
Section R506.2.4 Reinforcement Support pg 203
What is the maximum center to center stud spacing permitted for a 2 inch by 6 inch, 8 foot high wood stud bearing wall supporting two floors, roof and ceiling?
16 inches
Table R602.3(5) Size, Height and Spacing of Wood Studs pg 225
In wood wall framing where top and bottom plates are attached to the studs, which of the following fastening methods is acceptable?
Three 10d box, end nailed
Table R602.3.2 Top Plate
The minimum offset for end joints in a double top plate shall be what?
24 inches
Section R602.3.2 Top Plate pg 219
A single top plate is permitted in a wood stud bearing wall only where the rafters or joists are centered over the studs with a maximum tolerance of what?
1 inch
Section R602.3.2 Top Plate, Exception #2 pg 219
Where the wall sheathing is used to resist wind pressures, and what is the maximum stud spacing permitted for 3/8 inch wood structural panel wall sheathing with a span rating of 24/0.
16 inches on center
Table R602.3(3) Requirements for Wood Structural Panel Wall Sheathing Used to Resist Wind pg 224
In a nonbearing partition, a wood stud may be notched a maximum of what?
40% of the stud depth
Section R602.6 Drilling and Notching of Studs #1 pg 222
A bored hole shall be located a minimum of __________ from the edge of a wood stud.
5/8 inch
Section R602.6 Drilling and Notching of Studs #2 pg 222
In a nonbearing interior partition, what is the maximum diameter permitted for a bored hole in a wood stud?
60% of the stud depth
Section R602.6 Drilling and Notching of Studs #2 pg 222
A 15 inch deep box header in an exterior wall is constructed with wood structural panels on both sides. What is the maximum allowable header span for a condition where the header supports a clear span roof truss with a span of 26 feet?
8 feet
Table R602.7.3 Maximum Spans for Wood Structural Panel Box Headers pg 235
Which of the following materials is not specifically identified by the IRC as a fire blocking material?
A. 1/4 inch cement based mill board
B. 1/2 inch gypsum board
C. 15/32 inch wood structural panel with joints backed
D. 3/4 inch particle board with joints backed
C. 15/32 inch wood structural panel with joints backed
Section R602.8 Fireblocking Required, then to Section R302.11 Fireblocking pg 234 and 104
Where unfaced fiberglass batt insulation is used as a Fireblocking material in the wall cavity of a wood stud wall system, the insulation shall be installed with a minimum vertical height of what?
16 inches
Section R602.8 Fireblocking required then to Section R302.11.1.2 Unfaced Fiberglass pg 234 and 104
A foundation cripple wall shall be considered an additional story for stud sizing requirements where the wall exceeds ___________ in height.
48 inches
Section R602.9 Cripple Walls pg 234
In general, the distance between adjacent edges of braced wall panels along a braced wall line must be a maximum of what?
20 feet
Section R602.10.2.2 Locations of Braced Wall Panels pg 234
Where located in Seismic Design Category B, braced wall panels shall begin a maximum of ___________ from each end of a braced wall line.
10 feet
Section R602.10.2.2 Locations of Braced Wall Panels pg 234
For hollow units in anchored masonry veneer, wall ties shall be embedded in the mortar bed a minimum of what?
1 1/2 inches
Section R606.14.1 Anchored Veneer, then to Section R703.8.4 Anchorage pg 318 and 419
Grouting of masonry walls shall be placed before any initial set occurs and a maximum of ___________ after water has been added.
90 minutes
Section R606.3.5.1 Grout Placement pg 309
Exterior braced wall panels parallel to a braced wall line are permitted to be offset a maximum of _____ feet from the designated braced wall line location.
Figure R602.10.1.1 Braced Wall Lines pg ?
Where ledgers are used at the connection between a masonry wall and a wood floor system having floor joists spanning 16 feet, 1/2 in ledger bolts shall be located at a maximum of __________ on center, provided the building is in Seismic Design Category A, B or C and the wind loads are less that 30 psf.
1 foot 0 inches
Figure 606.11(1) Anchorage Requirements for Masonry Walls Located in Siesmic Design Category A, B or C pg 313
When 1/2 inch gypsum board is used as an interior wall covering and installed perpendicular to framing members 16 inches on center, the maximum spacing of nails is ___________ on center where adhesive is used.
8 inches
Table R702.3.5 Minimum Thickness and Application of Gypsum Board pg 406
Screws for attaching gypsum board to wood framing shall penetrate the wood a minimum of what?
5/8 inch
Section R702.3.5.1 Screw Fastening pg 405
Water resistant gypsum board shall not be installed over which of the following classifications of vapor retarders when located in a tub or shower compartment?
I or II
Section R702.3.7 Water Resistant Gypsum Backing Board pg ?
Where 3/8 inch particleboard is used as an exterior wall covering, what type of fasteners are required if the particleboard is attached directly to the studs?
Direct attachment to the studs is prohibited
Table R703.3(1) Siding Minimum Attachment and Minimum Thickness pg 409
In Seismic Design Category D^1, metal ties for anchoring masonry veneer to a supporting wall shall support a maximum of _____________ of wall area.
2 square feet
Section R703.8.4.1 Size and Spacing pg 420 Exception
An Exterior Insulation Finish System (EIFS) shall terminate a minimum of ___________ above the finished ground level.
6 inches
Section R703.9.1 Exterior Insulation and Finish Systems #5 pg 422
What is the minimum required size of a steel angle spanning 8 feet used as a lintel supporting one story of masonry veneer above?
5 x 3 1/2 x 5/16
Table R703.8.3.1 Allowable Spans for Lintels Supporting Masonry Veneer pg 420
Utility grade studs, where used in load bearing walls supporting only a roof and a ceiling, shall have a maximum height of ______ feet.
8
Section R602.3.1 Stud Size, Height and Spacing Exception #1 pg 219
No. 15 asphalt felt applied as a portion of the exterior wall envelope as a water resistive barrier shall be applied horizontally, with the upper layer lapped over the lower layer a minimum of what?
2 inches
Section R703.2 Water Resistive Barrier pg 408
15/32 inch wood structural panels attached to wall framing with 15 gage staples, 1 3/4 inches in length, shall be fastened at a maximum of _____ inches at the panel edges and _____ inches at the intermediate supports.
4
8
Table R602.3(2) Alternate Attachments to Table R602.3(1) pg 223
Where the top plate of an interior load bearing wall is notched by more than ________ of its width to accommodate piping, a complying metal tie shall be installed.
50%
Section R602.6.1 Drilling and Notching of Top Plate pg 222
A weep screed installed on exterior stud walls in an exterior plaster application must be placed a minimum of __________ above paved areas.
2 inches
Section R703.7.2.1 Weep Screeds pg 414
Where an exterior wall top plate is notched to the extent a metal tie is required across the opening, the tie shall be fastened to the plate at each side of the opening with a minimum of ______ 10d nails at each side, or equivalent.
8
Section R602.6.1 Drilling and Notching of Top Plate pg 222
For a building located in Seismic Design Category D^0, plate washers used in the connection of braced wall lines sills to a concrete foundation shall be a minimum of ________________.
0.229 inch by 3 inches by 3 inches
Section R602.11.1 Wall Anchorage for All Buildings in Seismic Design Categories D^0, D^1, and D^2 pg 262
Fasteners for hardboard panel and lap siding shall penetrate a minimum of ________ inches into framing.
1 1/2 inches
Section R703.3.4 Minimum Fastener Length and Penetration #2 pg 411
End jointed lumber used in an assembly required by the IRC to have fire resistance rating must have the designation __________________ included in its grade mark.
Heat Resistant Adhesive
Section R602.1.2 End Jointed Lumber
The finish coat for two coat cement plaster shall be applied a minimum of _____ days after application of the first coat.
7
Section R703.7.5 Curing pg 415
On a site having expansive soil, roof drainage water shall discharge a minimum of __________ from the foundation walls or to an approved drainage system.
5 feet
Section R801.3 Roof Drainage pg 427
Where the roof pitch is less than _______ the structural members that support rafters and ceiling joists (such as ridge beams, hips and valleys) shall be designed as beams.
3:12
Section R802.4.4 Rafter Supports pg 445
The maximum spacing of collar ties used to connect opposing rafters shall be __________ on center.
4 feet
Section R802.4.6 Collar Ties pg 445
Ends of ceiling joists shall be lapped a minimum of _________ unless butted and toenailed to the supporting member.
3 inches
Section R802.5.2.1 Ceiling Joists Lapped pg 451
Where SPF #2 ceiling joists create an uninhabitable attic without storage and are spaced 24 inches on center, what is the maximum allowable span when 2 inch by 6 inch members are used?
14 feet 9 inches
Table R802.5.1(1) Ceiling Joist Spans for Common Lumber Species pg 447
A roof system is subjected to a 50 psf ground snow load and creates a dead load of 20 psf. The ceiling is not attached to the rafters. Assuming the rafter ties are provided at the top plate line, what is the maximum span of 2 inch by 8 inch Hem-Fir #1 rafters spaced at 24 inches on center?
9 feet 10 inches
Table R802.4.1(5) Rafter Spans for Common Lumber Species pg 438
Purlins used to reduce the span of rafters shall be supported by braces having a maximum unbraced length of __________ and space a maximum of __________ on center.
8 feet
4 feet
Section R802.4.5 Purlins pg 445
The ends of a ceiling joist shall have a minimum of __________ bearing on wood and a minimum __________ on metal.
1 1/2 inches
1 1/2 inches
Section R802.6 Bearing pg 451
Notches in solid sawn lumber ceiling joists shall not be located in the middle _____________ of the span and are limited in depth to ___________ the depth of the joist.
One third
One sixth
Section R802.7.1 Sawn Lumber then to R502.8.1 Sawn Lumber pg 451 and 183
An opening in a wood framed roof system may be framed with a single trimmer joist provided a single header joist is located a maximum of ___________ from the trimmer joist bearing.
3 feet
Section R802.9 Framing of Openings pg 452
Where 15/32 inch wood structural panels having a span rating of 32/16 are used as roof sheathing, what is the maximum span without edge support?
28 inches
Section R803.2.2 Allowable Spans then to Table R503.2.1.1(1) pg 456 and 187
A dwelling is located in an area having a 120 mph wind speed and Exposure C. The ground snow load is 20 psf. What is the maximum allowable rafter span for 800S162-43 50 ksi steel rafters installed 24 inches on center with a roof slope of 12:12?
16 feet, 0 inches
Table R804.3.2.1(1) Roof Rafter Spans pg ?
In a steel framed roof system, eave overhangs shall have a maximum horizontal projection of what?
24 inches
Figure R804.3 Cold-Formed Steel Roof Construction pg 460
Openings provided for roof ventilation, where covered with corrosion resistant wire cloth screening, shall have openings a minimum of _______ inch and a maximum of ________ inch.
1/16 inch
1/4 inch
R806.1 Ventilation Required pg 471
A required attic access opening shall have a minimum rough opening size of what?
22 inches by 30 inches
Section R807.1 Attic Access pg ?
A net free cross ventilating area of 1/300 is permitted for roof ventilation in buildings in Climate Zones 6,7 and 8 provided a minimum ______________ vapor barrier is installed on the warm in winter side of the ceiling and the ventilators are in compliance for location and amount.
Class I or II
Section R806.2 Minimum Vent Area, Exception #1 pg 472
Fire retardant treated wood, when used in roof construction, shall have a maximum listed flame spread index of what?
25
Section R802.1.5 Fire Retardant Treated Wood pg 427
In the attachment of asphalt shingles, special methods of fastening as established by the manufacturer are required where the roof slope of ___________________ is exceeded.
21 units vertical, 12 units horizontal
Section R905.2.6 Attachment pg 481
Double underlayment is required for an asphalt shingle application where the roof has a slope of up to what?
4:12
Section R905.2.2 Slope pg 480
In an asphalt shingle roof application, step flashing on a sidewall shall be a minimum of ______ inches high and ______ inches wide.
4
4
Section R905.2.8.3 Sidewall Flashing pg 481
Nails used to attach concrete roof tiles to the roof deck shall penetrate the deck a minimum of ______ inches of through the thickness of the deck, whichever is less.
3/4
Section R905.3.6 Fasteners pg 482
Where the cantilevered portion of a rafter is notched, a minimum of ________ inches of the member depth must remain.
3 1/2
Section R802.7.1.1 Cantilevered Portions of Rafters pg 451
Where No. 2 wood shingles of naturally durable wood are installed on a roof having a 5:12 pitch, the maximum weather exposure for 16 inch shingles shall be what?
4 inches
Table R905.7.5(1) Wood Shingle Weather Exposure and Roof Slope pg 484
For tapersawn shakes installed on a roof, the spacing between wood shakes in the same course shall be a minimum of _________ and a maximum of __________ .
3/8 inch
5/8 inch
Section R905.8.6 Application pg 484
For a wood shake roof system, sheet metal roof valley flashing shall extend a minimum of ___________ from the centerline of the valley in each direction.
11 inches
Section R905.8.8 Valley Flashing pg 485
A notch located in the end of a solid lumber ceiling joist shall have a maximum depth of what?
One fourth the joist depth
Section R802.7.1 Sawn Lumber then to Section R502.8.1 Sawn Lumber pg 451 and 183
In the framing of an opening in ceiling construction, approved hangers are not required for the header joist to trimmer joist connections where the header joist span is a maximum of what?
6 feet
Section R802.9 Framing of Openings pg 452
Where eave or cornice vents are installed, a minimum _________ air space shall be provided between the insulation and the roof sheathing and the vent location.
1 inch
Section R806.3 Vent and Insulation Clearance pg 472
Where the attic height is 30 inches or greater, an access opening is not required in attics of combustible construction where the attic space is a maximum of ______ square feet in area.
30
Section R807.1 Attic Access pg 473
Overflow scuppers utilized for secondary roof drainage shall have a minimum size _______________ of the roof drain.
Three times the size
Section R903.4.1 Secondary Drains or Scuppers pg 476
A ridge board shall be a minimum of ____ inch nominal thickness and have a minimum depth equal to ________________.
1
The cut end of the rafter
Section R802.3 Ridge pg 428
What is the minimum total net free ventilating area required for a 1500 square foot attic space where 75 percent of the required ventilation area provided by ventilators located in the upper portion of the attic space?
10 square feet
Section R806.2 Minimum Vent Area pg 472
Where an invented conditioned attic assembly is utilized for a residence, the use of wood shakes on the roof would require a minimum continuous _______ inch vented air space between the shakes and the roofing underlayment.
1/4
Section R806.5 Unvented Attic and Unvented Enclosed Rafter Assemblies #3 pg 472
Where required on an asphalt shingled roof of 5:12 slope, an ice barrier shall extend from the lowest edges of all roof surfaces to a minimum of _______ inches inside the exterior wall line of the building.
24
Section R905.1.2 Ice Barriers pg 480
The footing for a masonry fireplace and it’s chimney shall be a minimum of _________ thick.
12 inches
Section R1001.2 Footing and Foundations pg 491
A masonry chimney wall shall not change size or shape for a minimum of _________ above or below where the chimney passes through a floor, ceiling or roof components.
6 inches
Section R1003.6 Changes in Dimension pg 496
In all cases a masonry chimney shall extend a minimum of ____________ above the highest point where the chimney passes through the roof.
36 inches
Section R1003.9 Termination pg 496
A clay flue liner for a masonry chimney shall be carried vertically, with a maximum permitted slope of ____________ from the vertical.
30 degrees
Section R1003.12 Clay Flue Lining pg ?
When two of more flues are located in the same masonry chimney, the adjacent flue linings shall be separated by masonry wythes have a minimum thickness of what?
4 inches
Section R1003.13 Multiple Flues pg 497
Unless cleaning is possible through the fireplace opening, a clean out opening shall be provided within __________ of the base of a flue in a masonry chimney.
6 inches
Section R1003.17 Masonry Chimney Cleanout Openings pg 499
Where a masonry chimney is constructed totally outside the exterior walls of a dwelling, a minimum air space clearance to combustibles of __________ is required.
1 inch
Section R1003.18 Chimney Clearances pg 499
Foundations for masonry fireplaces and their chimneys shall extend a minimum of ___________ beyond the face of the fireplace or support walls on all sides.
6 inches
Section R1003.2 Footings and Foundations pg ?
Where a 60 inch wide masonry chimney and fireplace are located in a Seismic Design Category D^1, the chimney shall be reinforced with _____ No. 4 continuous vertical reinforcing bars.
6
Section R1003.3.1 Vertical Reinforcing pg 495
What is the minimum required thickness of the back and side walls of a masonry firebox constructed of solid masonry without firebrick lining?
10 inches
Section R1001.5 Firebox Walls pg 491
Where firebricks are used as lining for a masonry fireplace, the maximum joint spacing shall be _________ between firebricks.
1/4 inch
Section R1001.5 Firebox Walls
The damper or throat for a masonry fireplace shall be located a minimum of __________ above the lintel supporting masonry over the fireplace opening.
8 inches
Section R1001.7.1 Damper pg ?
What is the minimum required thickness for the hearth of a masonry fireplace?
4 inches
Table R1001.1 Summary of Requirements for Masonry Fireplaces pg 492
What is the minimum required size of a hearth extension for a masonry fireplace having a 30 inch by 42 inch wide fireplace opening?
20 inches by 66 inches
Section R1001.10 Hearth Extension pg?
A minimum 3/8 inch thick noncombustible hearth extension is permitted for a masonry fireplace where the bottom of the firebox opening is a minimum of _____ inches above the top of the hearth extension.
8
Section R1001.9.2 Hearth Extension Thickness, See Exception pg 494
Wood studs shall have a minimum clearance of _________ from the back face of masonry fireplaces.
4 inches
Section R1001.11 Fireplace Clearance pg 494
When masonry chimneys are constructed as part of masonry walls, combustible materials in contact with the masonry wall must be located a minimum of ______ inches from the inside surface of the nearest flue lining.
12
Section R1001.11 Fireplace Clearance, Exception #2 pg 494
Combustible trim projecting a distance of 1 inch beyond the fireplace opening of a masonry fireplace shall be located a minimum of ___________ from the opening.
6 inches
Section R1001.11 Fireplace Clearance, Exception #4 pg 495
Factory-built fireplaces shall be tested in accordance with what?
UL127
Section R1004.1 General pg 499
Unless a room is mechanically ventilated and controlled so that the indoor pressure is neutral or positive, a combustion air passageway having a minimum size of _____ square inches and a maximum size of ______ square inches shall be provided as an exterior air supply for factory built or masonry fireplace.
6
55
Section R1006.4 Passageway pg 501
