Chapter
Jun 21, 2023
Chapter 12
Open-Framed Equipment Structures
Publication: Snow Loads: Guide to the Snow Load Provisions of ASCE 7-22
Abstract
Section 7.13 provides design snow loads for so-called open framed equipment structures (OFES), of which petrochemical facilities are a prime example. The primary differences between OFES and more typical buildings are that various levels within OFES may or may not have flooring, OFES typically do not have exterior (perimeter) walls, and exposed cable trays and piping are common. If the piping or trays are at the same nominal elevation and the gap between them is small, falling snow could bridge the gap, increasing the snow load on both. This behavior is like a snow cornice one can observe on the leeward side of a mountain ridge and is likely because of the cohesive properties of snow.
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Snow Loads: Guide to the Snow Load Provisions of ASCE 7-22
Pages: 121 - 124
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© 2023 American Society of Civil Engineers.
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Published online: Jun 21, 2023
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Michael O’Rourke, Ph.D.
P.E.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.