Standards - Standards Documents prepared by a recognized...

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Standards: Documents prepared by a recognized authority that set minimum design requirements but do not have the same enforceability as codes. Codes may reference standards. – Underwriters Laboratory ( UL ) – National Fire Protection Association ( NFPA ) – Amer. Society of Htg., Refrig., and A/C Engineers ( ASHRAE ) – American National Standards Institute ( ANSI ) Codes: A building code is a set of rules that specify the minimum acceptable level of safety for constructed objects such as buildings and non- building structures . The main purpose of the building codes is to protect public health, safety and general welfare as they relate to the construction and occupancy of buildings and structures. The building code becomes law of a particular jurisdiction when formally enacted by the appropriate authority. Building codes are generally intended to be applied by architects and engineers , but are also used for various purposes by safety inspectors, real estate developers, contractors and subcontractors, manufacturers of building products and materials, insurance companies, facility managers, tenants, and other categories of users. Codes: Stipulate minimum acceptable building practices –government bureaucrats may adopt standards as codes. – Government mandated – Government enforced by “authority having jurisdiction ( AHJ ) ”. • Knowledge of applicable codes is critical to the design process. • Examples: International Building Code (IBC ), International Residential Code (IRC), International Mechanical Code (IMC), International Plumbing Code (IPC), International Energy Conservation Code (IECC). Uniform Building Code , Uniform Mechanical Code, Uniform Plumbing Code National Electric Code (NEC) Associated Costs: •First Cost - the total cost of design and construction. Often the only cost considered by designers, builders, general contractors, and owners. • Life-Cycle Cost – the cost for an owner to acquire and use a building for some predetermined period of time. (Often ignored by the same entities shown above) Energy Efficiency: Energy costs are major life-cycle costs in any building. Minimum systems efficiencies are dictated by laws, codes, and/or standards in the U.S. and may cover Building envelope, Mechanical systems, Service hot water, and Illumination (lighting). • Efficiency is a ratio of system output to input. Green Building Design: Maximizes health and welfare benefits to building occupants. Minimizes impacts on the environment. LEED (Leadership in Energy and Environmental Design) is a rating system employed by the U.S. Green Building Council.
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Sustainability Design: Meeting the needs of today’s generation of owner without detracting from the needs of future generations. Will have zero net use of nonrenewable resources. Rare that a building would meet the definition of sustainable design. Passive vs Active: Processes
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This note was uploaded on 02/24/2009 for the course CMP 230 taught by Professor Metoyer during the Spring '09 term at Michigan State University.

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Standards - Standards Documents prepared by a recognized...

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