Ductwork at Expansion Joints

For this expansion joint, what type of flexible duct connection is specified? And what movement should it accommodate?

I'm checking ductwork at expansion joints at [location]. I found gap in building structure with special duct connection designed to accommodate movement. For this expansion joint, what type of flexible duct connection is specified? And what movement should it accommodate?

Cutting, Holes, Penetrations & Field Fab 3rd Year RED

Stop if

Hold point on ductwork at expansion joints: I have the location, photo, drawing/detail, and what I checked. Who should verify before this gets cut, drilled, covered, lifted, connected, or signed off?

Watch out

Don't install rigid duct across expansion joints. Don't ignore building expansion joint locations.

Check

room/grid/area
photo of condition
drawing/detail or submittal
what I already checked
what is blocking progress

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14136 ductwork at expansion joints field mods, fittings, offsets & transitions red 3 for this expansion joint, what type of flexible duct connection is specified? and what movement should it accommodate? i'm checking ductwork at expansion joints at [location]. i found gap in building structure with special duct connection designed to accommodate movement. for this expansion joint, what type of flexible duct connection is specified? and what movement should it accommodate? expansion joint duct, building movement duct, flexible connection expansion building expansion joint, seismic joint, structural expansion joint, flexible duct connection building joint, expansion gap, slip joint, building movement

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