By code (ASCE 7-05) I have to design for a 3000# point load over a 4.5" square (table 4-1, garages, keynote a). I do meet the requirements of APA report 139 but the building official rejected it. And punching shear is not a problem but one-way shear along the joist is for the concrete. I was...
I have a 3" concrete topping with WWF over 1 1/8" thick plywood over wood joists at 12" o.c. and I am unable to obtain a permit. The permitting authority does not accept APA report T2005L-43, stating it does not have enough factor of safety. Any thoughts? I am unable to prove the concrete spans...