Background noise
lUCI requires that the Maximum SPL with Slow time
constant
complies with NR-30 curve (Lmax,slow < NR30) – this includes any source of noise,
including passage of
trains or aircrafts
lThe Italian Law requires that the noise produced
by steady-state
equipment (HVAC) has an A-weighted equivalent level less than 35 dB(A) (LA,eq < 35
dBA)
lThe UCI
requirements are much more stringent than the Italian
Law
l