To limit the probability that access to horizontal service spaces for inspection purposes will not be provided, which could lead to fire hazards within the horizontal service spaces going unnoticed, which could lead to a fire or the spread of fire to other parts of the building, which could lead to damage to the building.
To limit the probability that access to horizontal service spaces for inspection purposes will not be provided, which could delay emergency responders' access to horizontal service spaces in a fire situation involving such spaces, which could lead to the spread of fire to other parts of the building, which could lead to damage to the building.