Anybody else having a problem with elevated air speed (over 40 fpm)? I have a commerical office building with ceiling diffusers with 60 fpm and the credit has been audited for elevated air speed. In this case occupants cannot adjust the diffusers. Seems like this has been cleared up in the ASHRAE 55-2004 addenda such that the graphical method can still be used to demonstrate compliance, but was wondering if anybody else has encountered this, and if so, how did you document the credit?