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UBC'97 "Elements, nonstructural, equipment"

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Am I seeing this correctly:

1. The seismic force for an item, located at the roof, falling under section 1632, is independent of the dynamic characteristics of the building (unless you go to a detailed study).  That is, no matter whether it sits on top of a one story shear wall bldg. or a ten-story moment frame bldg. ?

2. Are deflection or drift limitations imposed for these items, e.g. cantilevering parapets?

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Attila Beres, PhD, PE
Project Engineer

Robert Englekirk Consulting Structural Engineers, Inc.
Englekirk & Sabol Consulting Structural Engineers, Inc.
2116 Arlington Ave., Los Angeles, CA  90018-1398
323-733-6673, fax -8682        www.englekirk.com

Please note, that all communications from this e-mail address, that are not directly related to a specific project of REI/ESI are to be considered as my private opinion, and do not necessarily reflect the opinion of my employer.
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