EPAct 1992 requirements
sink
showerhead
toilet
accessible toilet height
17-19
minimum habitable room dimension/size
minimum 84”
minimum 70 sqft
how well a wall assembly reduces airborne sound passage between one side to the other
STC
sound transmission class
ceiling tiles ability to reduce sound transmission from one room to another when the rooms share the same plenum space
CAC
ceiling attenuation class
the ability of a wall or ceiling to absorb airborne sound, not about the transfer through the assembly. It rates the noise level of the interior space, not the sound transfer
NRC
noise reduction coefficient
evaluate the sound absorption efficiency of materials
SAC (CA)
coefficient of absorption