Section 288(1)

(1) Where it appears to the Commissioner that any
block of building is in an unhealthy condition by reason of the manner in which the buildings
are crowded together, or of the narrowness, closeness, or faulty arrangement of streets, or
for want of proper drainage and ventilation, or of the impracticability of cleansing the building
or other similar cause, he shall cause the block to be inspected by the Corporation Health
Officer and the Corporation Engineer, who shall make a report in writing to him regarding
the sanitary condition of the block.