Every local authority may and, if so required by the Minister, shall make byelaws—
for fixing the number of persons who may be received into a common lodging-house, and for the separation of the sexes therein;
for promoting cleanliness and ventilation in such lodging-houses, and requiring the walls and ceilings thereof to be lime-washed, or treated with some other suitable preparation, at specified intervals;
with respect to the taking of precautions when any case of infectious disease occurs in such a lodging-house; and
generally for the well-ordering of such lodging houses.