J-2 EQUIPMENT PLATFORM BRACING
a.
Introduction.
(1) Purpose.
The purpose of this example problem is to illustrate the design of a braced steel
platform supporting heavy equipment.
(2) Scope.
The problem generally follows the steps in Table 4-5 and the procedures in
Chapter 10 of this document and Chapter 6 of FEMA 302.
b.
Component description.
The equipment in this example problem is an elevated steel water tank on a braced steel platform located
on the roof of a two story building. An elevation of the tank and platform is shown in Figure J2-1 and a
framing plan of the platform is shown in Figure J2-2.
Note: For metric equivalents; 1-ft = 0.30m
Figure J2-1. Elevation of tank and platform support structure
J2-1
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