Structural steel erection requires that columns have four anchor bolts to prevent steel-frame buildings from collapsing during construction. But the technique isn't necessary - or practical - in all cases.Consequently, Cal/OSH Standards Board has published a proposed Title 8 regulatory revision that would provide an exception to steel erection rules for certain types of construction. The proposal now is in a 45-day comment period that will culminate with a public hearing Dec. 15 in Sacr
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