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Posted By Kris Ramsey
Dear All,
I am currently working on a project where we have 3 tower cranes and crawler cranes. Within the next couple of weeks the site will be going 24hour working as we are doing a slip form and as a result the tower crane (s) will be in use constantly for potentially 6week period. As we are working on the banks of the Thames recently we have had exceptional fog descended over the site-so much so operations have been stopped. Now I have been asked to produce a procedure for working in foggy conditions.
Can anyone point me in the direction of British standards or example procedures of minimum requirements for working in such conditions?
All help and advice greatly appreciated.
Kris
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Posted By Robert K Lewis
Is it really any different to lifting into places where the driver has no view and 1, 2 or more signallers are required. As long as there are good clear communication systems then visibility is not necessarily an issue.
Bob
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Posted By Dave Merchant
BS7121-1:2006 18.4 requires only that a "suitable means of communication" is in place to ensure the crane operates safely, though in extreme conditions where that cannot be achieved, works should stop.
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Posted By alex mccreadie
Kris
LOLER Regulation 8 under Visibility helps you a bit more.
Bob and Dave are as usual spot on but if you need to determine when or when not to stop lifting the above should help.
Regards Alex
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Posted By Bob Youel
there are many products on the market that allow such cranes to work in close proximity & poor sight conditions - I suggest that such products also be evaluated
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