building codes intended to protect the public by establishing minimum standards of building safety
TRANSCRIPT
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Building Codes
Intended to protect the public by establishing minimum standards of
building safety.
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Old National CodesOld National Codes
ICBO--Uniform Building Code --UBC written by International Conference of Building Officials
SBCCI—Standard Building Code—SBC written by Southern Building Code Congress International
BOCAI--Building Officials and Code Administrators International
CABO--Council of American Building Officials
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International Building Code (IBC)
International Building Code (IBC)
IRC---written by ICC an agency formed from the National Code makers: BOCAI, SBCCI, and ICBO (CABO).
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Other Additional CodesOther Additional Codes
Each publish guidelines for minimum property standards for residential construction.
HUD—Department of Housing and Urban Development
FHA--Federal Housing AuthorityADA--Americans with Disabilities Act
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Choosing the Right CodeChoosing the Right CodeEach municipality adopt all or portions of a code. This could be
a state, national or International codeThe architect or engineer are responsible for conforming to and
ensuring that the structure complies with all required codes.Major codes are divided into sections that specify regulations
covering:Fire and life SafetyStructuralMechanical/PlumbingElectrical
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OLD Building Code MapOLD Building Code Map
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Habitable SpaceHabitable Space
Used for sleeping, living, cooking, or dining purposes.
Non Habitable Spaceclosetspantriesbathshallwaysutility roomsstorage and garages
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Doors RequirementsDoors Requirements
One door 3’-0” (36”) wide and 6’-8” high, usually the entry door
Egress--term used in most building codes to specify areas of access or exits.
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Windows RequirementsWindows RequirementsEgress below 4th floor
Minimum height size 24”50% must be operationalSill height maximum 44”
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HallsHalls
Standard (minimum) 36” wideSome cases halls are laid out to be 42” wide,
usually in larger homes where extra space can be justified.
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StairsStairs
Width--36” min, sometimes 42”Headroom--6’-8” main stairsHeadroom—6’-4” basementCommon rise height
7”-7 1/2” (Max. 7 ¾”)Common tread width
10”-10 1/2” (Min. 10”)
IRC Max
Common
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Placement of doors at Stairways
Placement of doors at StairwaysLanding must be as long as stairs is wide
Door not to swing over stairsFirst step not to exceed 7 ½” from floor
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Wall Placement over StairsWall Placement over StairsWall and Floor must not extend into Minimum
Headroom area
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Room DimensionsRoom Dimensions
One room at least minimum of 120 sq ft (10’ x 12’)Other habitable rooms (except kitchen) to have a
minimum of 70 sq ft and not less than 7 feet in any direction.
Kitchens to be a minimum of 50 sq ft (CABO)
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Ceiling Height of Habitable Rooms
Ceiling Height of Habitable Rooms
50% of room with more than 7’-0” ceilings
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Bathroom Space Requirements
Bathroom Space Requirements
Codes may differ24” in front space (FHA)21” in front space (Text)
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Bathroom Space Requirements
Bathroom Space Requirements
Water Closet (Toilet) Space
30” width space minimum or 15” from center to each side
36” width preferred or 18” from center to each side
15”MINIMUM
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Bathroom and LaundryVenting RequirementsBathroom and LaundryVenting Requirements
Openable window or exhaust fan that can provide five air changes per hour.
Fans must be vented to outside air