huangyhg

weld inspection for tilt-up
all,
i'm working on a project in the midwest for the corps (one-story training building, ie=1.0) where local jurisdiction has no say about the construction site. the building is tilt-up with cfs trusses. the seismic design category is 'a'. i have welded connections throughout, but no full pen welds or any moment connections just simple shear connectors, single-pass fillet welds no greater than 5/16". i keep looking through the 2003 ibc, chapter 17 but cannot grasp whether i need a welding inspector on site per code. i look at section 1707.1 and understand i do not need a special inspector because it's in a low seismic area but then i look at section 1704.1 and cannot find where i'm excluded from special inspection. any ideas?
tia
ibc section 1707.1 deals with special inspections of the sfrs for seismic resistance in structures assigned to sdc c-f etc. for structural steel, these inspections are to be continuous per aisc 341...ref ibc se 1707.2
now then what about the sfrs in structures assigned to sdc a and b...do they require special inspection? yes they do as outlined in ibc sec 1704.3 unless in the opinion of the ahj/bo the work is of a minor nature and they grant an exemption...ref ibc sec 1704.1(1)
for the sfrs in structures assigned to sdc a or b most of the tasks are periodic as indicated in table 1704.3 and not continuous as required for the sfrs is structures assigned to sdc c-f.
without regard to the level of inspection, the code requires that welds conform to aws requirements. the only way to determine this is some level of inspection by a certified welding inspector.

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