3007 NOTES

3007 NOTES - CODE NOTES History of codes 2000bc Babylonian...

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CODE NOTES History of codes 2000bc, Babylonian law of hammurabi required the death penalty for any builder who constructed a house that later collapsed and killed the owner Greeks and Romans - twelve tales of roman law included setbacks 1189 London first building code pub by Henry Fitz-Elwyne fire in London 1666, fire in Chicago 1871 1905 national board of fire underwriters wrote model building code to decrease fire risk 1915 – BOCA 1927 - UBC 1945 - SBC Legal basis of codes – one of the police powers given to the states under the tenth amendment to the us constitution Usually adopted by local municipality or county, but power is in the state Codes enforced by law –required permits Starting Bound by physical limitations. How much land is available How heavy a building can the soil support How long of a structural span is possible What materiality suits the environment, what structures, etc. Model building codes Refer to the structure itself, how it is constructed, and what provisions are required to protect people and property from fire and other hazards Intent is to protect public health and safety by setting a minimum standard of construction quality. Model code – one written by a group of experts knowledgeable is the field w/o any ref to a particular geographic area UBC – uniform building code used in western and central us BOCA – national building code, used in north east SBC – standard building code, by southern building congress, used in southeast CABO – national code, ICC is working on an International Building Code for 2000 Performance based – all models above are – not prescriptive, describes how it is to function, instead of required spec mats, Least acceptable risk – min level required for a building and occupant safety even though just meeting the code Adjuncts to the codes With exception to electrical, they are usually written by the same people Electrical used by all groups is national electric code by NFPA (national fire protection association) Model codes use industry standards etc developed by such people as: o ASTM (American society for testing and materials ESPTABLISHES STANDARD SPECS FOR MATERIALS o ANSI (American national standards institute STANDARDS FOR INDUSTRIAL PRODUCTS WINDOWS ETX. o NFPA (national fire protection association
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o NFPA The National Fire Protection Association is a voluntary membership organization whose aims are to promote and improve fire protection and prevention. NFPA has published 16 volumes of codes known as the National Fire Codes. Within these codes is Standard No. 704, "Identification of the Fire Hazards of Materials." This is a system that rates the hazard of a material during a fire. These hazards are divided into health, flammability, and reactivity hazards and appear in a well-known diamond system using from zero through four to indicate severity of the hazard. Zero indicates no special hazard and four indicates
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3007 NOTES - CODE NOTES History of codes 2000bc Babylonian...

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