PI 101: Permanent installed platforms, cradles, gondolas
01 July 2022
As discussed in the last Permanent Installation (PI) Council article, one portion of a PI system is the suspended platform. Suspended platforms fall into two categories, temporary (transportable) platforms and permanently installed (pi) platforms (platforms dedicated to the building/structure). Either platform type may be used with a specific permanent installation support system such as davits. All PI platforms must be inspected before use and have passed all initial and periodic testing noted in OSHA 1910.66 and ANSI A120. In this article, we will be focusing on the two different types of permanently installed platforms: self-powered permanently installed platforms and roof-powered permanently installed platforms.
All PI platforms have a metal mesh enclosing the sides of the platform to keep objects within the platform and from falling on people or property below. The difference between the two types of permanently installed platforms is the location of the hoist. A self-powered PI platform has the hoist(s)…
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