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AggieYank, No offense at all. I appeciate frankness. The 100 psf live load comes straight out of the design code for rooms housing hazardous materials. The room will be housing hazardous materials, but the hazard classification is low. We aren't looking at a bomb which would be a very...

All of you have some very good points. Thank you for your input. I do have WWF in the slab so the slab should "stay together." My walls are CMU, so I am thinking of using #4 L-Hook bars at 2'-0" o.c. to attach the concrete deck to the sturcture. Does this seem like a reasonable solution?

I am thinking along the lines that it will be an impact-type load. The explosion is from inside the building, so yes it is below the deck.

My supervisor doesn't think it is necessary. But that was my first choice.

I am desiging the roof of a solvent storage room. Because I need to design for a 100psf force in the event of an explosion, there is a net uplift on the roof. I am not concerned about the deck-to-beam connection, I'll just design the welds for the uplift force. My concern is the bond between...

On one of my buildings the subcontractor increased the size of the louver openings in the basement walls. As a result I can not longer rely on the reinforcement in the concrete to carry the beam. I was hoping to install a channel on the inside face of the wall to span the opening and carry...

I don't want to design the roof for unbalanced snow load if I don't have to. I was already accused by another engineer of being overconservative with the roof design on a previous residential design project. I would like to know definatively either way.

I am designing roof rafters for a single family residence. If I apply an unbalanced snow load, the rafters in the IBC Residential Code tables do not work. (My model includes a ceiling joist). I can only get the rafters in the table to work with balanced snow loads. Does anybody know of a...