- Use one of the deemed-to-satisfy provisions or laboratory test.
- Have an Expert judgement (by appropriately qualified and experienced person0 that the systems meet deemed-to satisfy values
- Provision for on-site testing
Deemed to Satisfy Requirements: Sound Insulation Rating of Floors
A floor in a Class 2 or 3 building must have an Rw + Ctr (airborne) of 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
III. the like, or part of a different classification.