Will the distribution cabinets and control cabinets no longer need to be explosion-proof once they are built adjacent to the control room’s power distribution area?
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Here is someone else’s professional answer: Both the power distribution room and the control room are located in explosion-proof areas; the entire workshop is an explosion-proof area. Our power distribution room is adjacent to the building, and the control room is also adjacent to the building, above the power distribution room. However, we will conduct control from the central control room; the on-site workshop only has an operator station prepared. However, the distribution cabinets are all ordinary GDD cabinets, so there is no issue with explosion protection. According to building codes, adjacent construction is allowed; then, if a control room and a power distribution room are built next to each other, do the power distribution cabinets and control cabinets not need to be explosion-proof?
Code for Building Design 3.3.8 states that adjacent construction is permitted, and it must comply with the provisions of 50058. Both are essential. It’s better to build it further away to save money.
Which specific clause of 50058 does it comply with? Thank you!
Which specific clause of 50058 does it comply with? Thank you!
You are referring to the issue of whether a room can withstand explosions, right? The power distribution room and control room are definitely not in explosion-hazardous areas, so explosion-proof equipment is not necessary. . .
The control room and power distribution room must be located outside the explosion-hazardous area
However, building codes allow control rooms to be adjacent to Class A and B workshops, stipulating that a firewall must be in place between them. There is no mention of whether the control room needs to be explosion-proof; instead, it is stated that an explosion-resistant wall is required. So, is the explosion-resistant wall meant to be the same as the firewall? ? , looking forward to your advice
However, building codes allow control rooms to be adjacent to Class A and B workshops, stipulating that a firewall must be in place between them. There is no mention of whether the control room needs to be explosion-proof; instead, it is stated that an explosion-resistant wall is required. So, is the explosion-resistant wall meant to be the same as the firewall? ? , looking forward to your advice
It seems that positive pressure ventilation is not allowed in Zone 1
It seems that building codes do not impose any explosion-proof requirements on control room buildings; such requirements apply only to the control rooms of petrochemical enterprises. According to building codes, only sub-control rooms can be constructed adjacent to workshops; the main control room is not allowed to be built in such proximity. Although there is no mention of requirements regarding locations outside explosion-hazardous areas, I believe it is appropriate to refer to the requirements for workshop power distribution rooms outlined in clause 3.3.8, and these should comply with the standards set out in GB50058. If the wall installed is an explosion-proof wall, it should be able to meet the requirements of a firewall and can be used as one.