Does the basement computer room need a threshold?

Yes Pay attention to the threshold of the basement. Due to design reasons, the height of the threshold from the ground is not marked on some drawings. Some thresholds are indicated by double solid lines, while others are indicated by hollow circles. The specific height and material of this threshold should be put forward during drawing review or construction. The threshold of the computer room is at least 200 meters higher than the horizontal plane, and the higher the better. The temperature, humidity and smoke flow of the computer room, and then the height problem.