Structural engineers and building materials manufacturers need to prepare for more paperwork to comply with three green-model codes. In addition to LEED requirements, they'll need to consider the International Green Construction Code and Standard 189.1 of the American Society of Heating, Refrigerating and Air-conditioning Engineers. "My guess is that these expanded information requirements won’t really be a major factor until 2014 or 2015," predicted John Cross, vice president of the American Institute of Steel Construction. "But it is important for every stage of the supply chain to start to prepare for those information and documentation demands now."
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