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This message was posted by a user wishing to remain anonymous Equipment: Non-Building Structure [Fin-Fan Cooler] identical to equipment shown in excerpt below from Figure 6.6 of the ASCE publication. (Cooler is mounted on an Outdoor Emergency Diesel Generator.) The entire equipment is part of...
Ronald, Thank you so much for this very helpful response! We looked into the ASCE 37-14 and the Eurocode EN-1991-1-6. Our met masts usually serve in unpopulated areas in deserts or mountainous regions. Their service life is usually less than 3 years. Having looked at the codes,...
An interior roof equipment screen wall can be designed for the forces in section 29.4.1, Rooftop Structures and Equipment for Buildings. This provision takes into account the elevation of the screen wall, which is the concern if using a freestanding wall load. This also answers the second part...
What is the proper wind load for a freestanding equipment screenwall in the field of a roof (ie outside edge zones 2 or 3)? Parapet pressure does not seem pertinent as the wall is a substantial distance from the edge of the structure. The freestanding wall load methodology seems somewhat...
Thank you for the question and observation. As you note the commentary is too rooted in history to determine why it was placced in commentary, rather than provisions. Regardless, I have forwraded your observation to the ASCE 7 Wind Committee for consideration of a possible move into the...
I am reaching out to see if anyone can provide additional commentary, backstory, supporting information, studies, etc. regarding this statement in the commentary of ASCE 7-16 (the last sentence of Section C26.13), "Because of the great amount of air leakage that often occurs at large hangar...
A temporary structure sloped asbestos sheet roofing plan is given attached. When wind is blowing the roof is flew away. Suction pressure is came into play. Wind was entered through the open side which did the harm. -- Alex Thomas R.Eng, C.Eng, M.ASCE Senior Site Engineer Geo Structurals...
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Assem This is an excellent question, that has been considered, but not answered many times by the ASCE 7 committee. There are two relevant points of view: 1- Since a temporary structure will exist only for a limited time period, if it is designed for the same load return periods as...