For a residential project that I am working on, the ceiling has deflected 3.5" due to inadequate support underneath the bearing line (poorly sistered connection with screws on the first story of a four story wood-framed residential building). We are looking to replace the joists underneath the bearing line with a beam and then increase the ceiling height slowly by jacking back to what it was before. My supervisor stated that the ceiling deflection might have yielded the screws in a way that it may not provide full capacity when the ceiling is raised. Anyone have any similar experience with this matter? Is there anything to be cautious of when raising the ceiling height back to normal? Thank you so much for your input!
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