Problems with the on-site cabinet room
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“The height of the on-site cabinet room in an explosion-resistant structure should be one floor, and should not exceed two floors. ”Does it mean that the floor where the cabinet room is located can only be on the first or second floor? “When located in Zone 2 Additive, the floor level under the movable floor in the on-site cabinet room should be higher than the outdoor ground level, with a height difference of not less than 0.6m; it’s likely difficult to meet this requirement on the first floor
The structure can only have one or two floors, right? The anti-static floor needs to be 600 mm above the ground level; it’s necessary to achieve that
It seems the second floor is the only option; the people from the power supply company also mentioned this earlier.
Put the steps on the outside; that’s what we do in our new cabinet rooms. It can be achieved with just one layer.
What is the reason for doing this? Many old cabinet rooms are located on the 3rd floor or higher.
I haven’t done any research on it; I guess it’s calculated based on the explosion protection requirements for the entire building. If the third floor can also meet those overall explosion protection requirements, then it should be fine as well. There’s no basis for this; it’s just for reference :)
Which standard is this? Could you send it so I can take a look? The cabinet is located on the first floor, and steps can be added to raise the floor level.
HGT 20508-2014 Control Room Design Code
Does the specification specify what the required height for one floor is? The static electricity floor should be 0.6 meters above the ground, the cabinets 2 meters above it, and there should be space left above that up to the roof – that should work, right?