minimum bolting requirement
minimum bolting requirement
(OP)
What is the minimun percentage of bolts required on a 75 ton girder (1 1/4" bolts) at each end before we can turn the rig loose? I'm thinking 20%?
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minimum bolting requirement
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RE: minimum bolting requirement
RE: minimum bolting requirement
Since I retired the rules for erection bolts (in the Los Angeles area) is up to 50% now. That means a minimum of 2 bolts per connection before you 'cut loose' even on the little beams.
Rod
PS---It is somewhat common for some contractors to bolt up 100% as they hang . I never liked that approach, but it IS rather common on small jobs.