@BAretired
Look at note 'g' on the reference table I mentioned earlier. It clearly says dead load shall be taken as zero.
@wannabeSE
So, how would you treat a floor that has steel decking with concrete topping supported by steel elements (both types non-composite and composite)? Are you still...
Look at Table 1604.3 on https://www1.nyc.gov/assets/buildings/apps/pdf_viewer/viewer.html?file=2014CC_BC_Chapter_16_Structural_Design.pdf§ion=conscode_2014
It could make sense. For concrete member, dead load plays a significant role in creating deflection because not only there is heavier...
NYC building code states "for steel structural members, the dead load shall be taken as zero." What is the exact reasoning behind this exception? Is this still applicable to composite slab?