Ch 27 Building Codes Flashcards
2 types of fireplaces used in residential construction
prefactricated or factory built
Accessible Mirrors
Must be mounted with the edge of the reflective surface no higher than 40” AFF
Accessible Shower - # of Grab Bars
Must be mounted horizontally on (3) sides
Accessible Shower - Size
30” x 60” Minimum
Accessible Toe Kick
6” D Maximum x 9” H Minimum
Accessible Toilet Floor Space
Require an unobstructed 60” turning circle
Accessible Upper Cabinets and Shelves
Must not exceed 44” AFF when above a work surface
Accessible Urinals
Must have an elongated rim at a maximum height of 17” AFF
Accessory Storage Area
300 sq. ft. per occupant gross
Assembly Occupancy Partitions (750 Sq. Ft. +)
Must be 1-Hour fire rated.
Business Area
100 sq. ft. per occupant gross
Changes of Travel Direction
Require a minimum 60” turning radius
Clear Floor Space - Bathrooms
Must be 30” x 48” at all accessible lavatories, urinals, showers, and bathtubs
Clearance Around Accessible Toilets
Must be 60” along rear wall and 56” along side wall
Clearance in Front of Power Panels
36” D
Commercial Kitchens
200 sq. ft. per occupant gross
Common Path of Egress Travel
Portion of exit access that must be traversed before 2 separate paths of travel to 2 exits are available. This distance must be included in the permitted travel distance.
Common Path of Egress Travel Distance
Must not exceed 100’
Concentrated Assembly Without Fixed Seats (Chairs - Not Fixed)
7 sq. ft. per occupant net
Core Drills
Must not be within 18” of any structural element
Demising Partitions
Must be 1-Hour fire rated between tenant spaces.
Distance for Exit Access Doorways - Non-Sprinklered Building
Equal to or greater than 1/2 the length of the maximum overall diagonal dimension, measured in a straight line between the exit doors or exit access doorways
Distance for Exit Access Doorways - Sprinklered Building
Equal to or greater than 1/3 the length of the maximum overall diagonal dimension, measured in a straight line between the exit doors or exit access doorways
Distance to Fire Extinguisher
Must be located no more than 75’ from the furthest occupant
Door Assemblies in 1-Hour Fire Rated Partitions
Must have a minimum fire protection rating of 20 minutes and be self-closing.
Door Swings In Path of Egress Travel
Must not project more than 7” into required width of path of egress when coming from an occupied space
Education - Classroom
20 sq. ft. per occupant net
Education - Workshops and Vocational Rooms
50 sq. ft. per occupant net
Electrical Receptacles - GFI are required within ___ of a water source
36”
Electrical Receptacles - Height
Must be 18” AFF
Emergency Illumination Duration
Shall be provided for 1.5 hours in the event of a failure of normal lighting
Emergency Illumination Location
Shall be arranged to provide initial illumination along the path of egress
Exercise Room
50 sq. ft. per occupant gross
Exit Access Door - Swing
Must open in the direction of exit travel
Exit Signs - Directional
Should be placed in every location where the direction of travel to reach the nearest exit is not apparent
Exposed Hot Water Pipes and Draings
Must be insulated or protected to reduce risk of burns
Fire Extinguisher Required Calculation
1 fire extinguisher for every 3000 sq. ft
Fireplace dimensions: What is the maximum dimension of the trim piece under the mantle from the face of the fireplace
1 1/2”
Fireplace dimensions: What is the minimum distace from the face of the fireplace to the outer edge of the hearth with a fireplace opening of less that 6 sq ft
16”
Fireplace dimensions: What is the minimum distace from the face of the fireplace to the outer edge of the hearth with a fireplace opening of qreater than or equal to 6 sq ft
20”
Fireplace dimensions: What is the minimum distance from the fireplace opening to the trim under the mantle
12”
Fireplace hearth extensions must be made of either ________ or __________ and be supported by noncombusible material
concrete or masonry
Fireplace hearth must be a minimum of ____ thick
2”
Fireplace trim - at what distance from the fireplace opening can non-combustible trim extend an unlimited distance from the face of the fireplace
At 12” or beyond
Fireplace trim - between 6” - 12” how far can non-combustible trim extend beyond the face of the fireplace
1/8” for every inch from the face (at 6” the trim could extend 6/8” or 3/4”)
Fireplace trim - combustible materials are not allowed within _____ of the fireplace opening
6”
Forward Reach - Wall Mounted Controls
Must be located between 15” - 44” AFF
Glazing in Fire Rated Partitions, Doors, or Sidelights may not exceed _________
240 sq. in.
Grab Bars - Behind Toilets
Must be 36” L
Grab Bars - Mounting Height
33” - 36” AFF
Grab Bars - Side of Toilets
Must be 42” L
Gross Area Calculations
Include stairs, corridors, toilet rooms, mechanical rooms, closets, and interior partition thicknesses
Height of Accessible Countertop
Must not exceed 34” AFF
How to Measure Travel Distance
Taken along the centerline of the natural path of travel starting from the most remote point to the centerline of the exit
Length of Dead End Corridors
Must not exceed 20’ L
Locks Along Path of Egress Travel
Must not require the use of a key, special knowledge, or effort from the egress side
Means of Egress Ceiling Height
Must be no less that 7’6”
Means of Egress Protruding Objects - Depth
All objects located on a wall between 27” - 80” AFF must not protrude more than 4” into an egress path of travel.
Means of Egress Protruding Objects - Height
Must allow 6’8” of clear headroom along the path of egress, including corridors, aisles, and passageways
Means of Egress Protruding Objects - Width
Must not reduce the minimum clean width of accessible routes
Mechanical Equipment Room
300 sq. ft. per occupant gross
Mercantile - Areas on Other Floors
60 sq. ft. per occupant gross
Mercantile - Basement and Grade Floor Areas
30 sq. ft. per occupant gross
Mercantile - Storage, Stock, and Shipping Areas
300 sq. ft. per occupant gross
Minimum Door Height
Must not be less than 7’
Minimum Door Openings
Must be a minimum of 36” W
Minimum Interior Corridor Width
44” Minimum
Mounting Height of Audio/Visual Fire Signal Devices
Between 6’8” - 7’6”