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OMF in low seismic zones

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One of my fellow employees attended a seminar by AISC called "Lateral
Framing Systems East of the Rockies".  In the information from the
seminar, there are a couple sketches of connections for OMF that show the
web connection as being a welded shear tab (both to the colun and beam) w/
erection bolts.  This seems to imply that the web connection can no longer
be bolted.  Is this true?  Is the only approved (pre-tested) connection
detail to weld the shear tab?  Or is it permited to be bolted to the beam
web (using slip critical bolts)?

Our use here is LOW seismic.

Any thoughts or comments?



Scott E. Maxwell, PE, SE
Structural Engineer

26913 Northwetern Hwy.
Suite 200
Southfield, MI  48034

Telephone: (248) 262-1505 ext. 2461                              
Fax:       (248) 262-1515

Email for Business: semaxwell(--nospam--at)
Email for Personal: smaxwell(--nospam--at)