Appears in the picture that every other course has a 8" long block. Is is possible that this crack is at a intersecting interior shear wall which was interlocked every other course into the exterior wall? If so then this crack was possibly caused by wind pressure causing a moment at the...
Using ASCE 7-10, SDC D, we have an industrial mezzanine with a DL < 20 psf, height = 20 ft., which requires 3 to 4 ft trusses due to long spans. What is your opinion based on code if OMF is allowed? The allowance in ASCE 7 allows it for a roof with DL < 20 psf and height < 65 ft. A mezzanine...
