Dear Concern,

we are working in  a manufacturing industry here the noise level from equipment is little high then office so how we get this credit additionally is this credit applies only to background noise of HVAC or entire space

If we check only background noise HVAC we can easily get this point is it correct

Sound Transmission Class

we have Glass partition, wood partition, Concrete wall how can i calculate the STc for this wall and where i find the STc value

is there any design alternative or CIR available for this credit for manufacturing facility