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Challenge:
Provide fall
protection for up to two workers ascending this large bridge crane to do
daily maintenance. Free fall distance of to concrete floor under this crane
approximately 75'.
We could not make
any permanent penetrations or welds to the bridge crane itself, nor was
there room to install tie-backs or forward gussets to support the end anchor
stanchions.
Note bolt-on
adjustable beam clamp (next to ladder) used to secure end-anchor stanchion to
crane. Also, compression member above horizontal lifeline bolsters
end-anchor stanchions.
This system was
installed in less than an hour. |