To limit the probability that access to crawl spaces will not be provided, which could lead to fire hazards within the crawl 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 crawl spaces will not be provided, which could delay emergency responders' access to crawl 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.