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In ACI 318 Table 25.4.2.3, does the upper part of the table "Spacing and cover", refer to non-contact lap splices and the lower part " other cases" refer to contact lap splices? Is that the intent of the table?

I have a building that was designed 30+ years ago for two reactors. Only one was installed. The owner wants to install the second reactor. Does the building need to be seismically evaluated for the current building code? IBC Section 102.6.1 A building or portion of a building that has not been...

I have a building that was designed 30+ years ago for two reactors. Only one was installed. The owner wants to install the second reactor. Does the building need to be seismically evaluated for the current building code? IBC Section 102.6.1 A building or portion of a building that has not...

I have an 8" thick slab with a 5'-0" span over a utility chase. The contractor was replacing some concrete and they saw-cut completely through the slab about 4" short of the side wall. Slab is drive way for truck traffic. The proposed repair is to dowel in some #6 bars @6" OC and re-pour the...

Does MSHA have platform and stair design requirements similar to OSHA? If they do, where can I find the design specs? Or do they reference IBC?

How are Engineers in the southern US handling snow drift in a 5 psf ground snow load region? The commentary states that a 3 or 4 foot drift could occur in regions of low ground snow load. My roof length is causing a 6 foot snow drift. That seems completely reasonsable here in the Midwest. But I...