THE NEW BUILDING CODE AUSTRALIA 1/5/2004 F5.4 SOUND INSULATION RATING OF FLOORS
(a) A floor in a Class 2 or 3 building must have an Rw + Ctr (airborne) not less than 50 and an
L’n,w + Cl (impact) not more than 62 if it separates-
(i) sole-occupancy units; or
(ii) a sole-occupancy unit from a plant room, lift shafts, stairway, public corridor, public lobby or
the like, or part of a different classification.
b) A floor in a Class 9c aged care building separating soleoccupancy units must have an Rw not
less than 45. |