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Michigan Administrative Code (Last Updated: November 16, 2016) |
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Department LR. Licensing and Regulatory Affairs |
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MIOSHA |
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Chapter Part 26. Steel Erection |
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Part 26. STEEL ERECTION |
Section 408.42629. Double connections.
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Rule 2629. (1) If 2 structural members on opposite sides of a column web, or a beam web over a column, are connected sharing common connection holes, then at least 1 bolt with its wrench-tight nut shall remain connected to the first member unless a shop- attached or field-attached seat or equivalent connection device is supplied with the member to secure the first member and prevent the column from being displaced (see appendix H for examples of equivalent connection devices).
(2) If a seat or equivalent device is used, then the seat, or device, shall be designed to support the load during the double connection process. The seat or equivalent device shall be adequately bolted or welded to both a supporting member and the first member before the nuts on the shared bolts are removed to make the double connection.
History: 2002 AACS; 2007 AACS; 2014 AACS.