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LEACH'S
3T Method Explained
The “3T” or “through the trapdoor” method is one of the two permitted ways of assembling a tower
without the assembler being at risk of falling. This tower is a 3T tower.
As each new level of platform is installed, the operative
takes up a working position in the trap door of the
platform, standing on the ladder and leaning back
against the edge of the trapdoor aperture.
From this position clip on the 2 brace panels in the
appropriate positions. Once both are fully installed the
platform is now safe to stand on. This process ensures
operatives can fully assemble the tower without
standing on unguarded platforms.
Platforms
The Mini Tower platform units have 2 angled plates
located on one end of the framework - on the underside.
During the assembly phase these plates can be rotated
outwards to enable the platform to be hooked onto the
tower structure - either on the rungs of the end frames
or onto the brace panels on the side of the tower.
Summary of Contents for 1298-IM-EN
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