Tài liệu Vấn đề cách nhiệt cho nhà thép tiền chế doc

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1 ENERGY CODES 2007 Tough Topics: Metal Buildings Dan Walker, P.E. Metal Building Manufacturers Association July 26, 2007 Pittsburgh, PA 2 Metal Building Systems • What is a metal building system? – A complete integrated set of mutually dependent components and assemblies that form a building including primary and secondary framing, covering and accessories, and are manufactured to permit inspection on site prior to assembly or erection. • What about Pre-engineered / Prefabricated buildings? • Who is MBMA? – 36 Building Systems members – 53 Associate member suppliers 3 4 MBMA Building Systems Elite Structures Chief Buildings Butler Manufacturing Company Bigbee Steel Buildings Inland Buildings Behlen Buildings BC Steel Buildings American Steel Building Co. Alliance Steel VP BuildingsRobertson Building Systems A & S Buildings United Structures of America Ceco Building Systems Metco/Regal Vulcan Steel Whirlwind Star Building Systems Mesco Buildings Tyler Building Systems Pinnacle StructuresCBC Steel Buildings Steel Built Corp.Package IndustriesGulf States Spirco Manufacturing Oakland Metal Buildings Kirby Buildings Schulte Building Systems Nucor BuildingsAmerican Buildings Ruffin Building Systems Mid-West Steel Building Company Ludwig Buildings Star Building Systems Metallic Building Company Garco Buildings 5 Anatomy of a Metal Building 6 Why is MBMA Involved in Energy Codes? • Insulation not supplied by MB manufacturer • MBMA doesn’t promote any particular kind or method of insulation – Still, insulation impacts structural performance – MBMA supports efforts by ASHRAE, IECC to further building energy performance – It’s good for the environment, the country, and the industry 7 Energy Code Compliance for Metal Building Systems ASHRAE 90.1 & International Energy Conservation Code 8 Methods of Compliance • Prescriptive – Individual components meet minimum requirements – Tables in 90.1 or IECC • Trade-off – Allows the use of some lesser performing components if you “make it up” in other areas of the building – ComCheck • Energy Cost Budget (Whole Building) – Building has an “Energy Budget”, computer model – Most Complex, and most comprehensive method – DOE 2 (E-Quest), Energy Plus 9 NAIMA Prescriptive Solutions Current Typical Metal Building Designs Images used with permission from NAIMA “ASHRAE 90.1 Compliance for Metal Building Systems” 10 NAIMA Prescriptive Solutions Through-Fastened w/R-19 U=0.098 SSR w/R-19 U=0.065 SSR 2 Layers R-19 U=0.046 ASHRAE = 0.065 [...]... Guides – AEDG – AEDG – AEDG – AEDG – AEDG – AEDG – AEDG – AEDG – AEDG for for for for for for for for for Small Office Buildings - Done Small Retail Buildings - Done Warehouse Buildings – In Progress Schools – In Progress Low-rise Hotel / Motel Medium Size Office Buildings Healthcare Facilities Educational Facilities Apartments 25 Questions, Comments?

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