Mapping where sound actually goes
Noise complaints rarely come from the room next door to the work. They come from a room two floors up connected by a service riser, or from a corridor where a hard floor carries machine noise the length of the building. Establishing this properly means walking the building during a quiet period and listening, rather than assuming that distance on a plan predicts what a guest or resident will hear.
Once known, the map produces genuinely useful rules. Machine work permitted in the podium after eleven but not above level three. Vacuuming restricted on accommodation floors before eight. Back-of-house corridors unrestricted throughout. These are specific enough to follow and specific enough to check, which is more than a general instruction to work quietly ever achieves.
