When designing cable trays, is it sufficient to just indicate the direction and elevation?
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Recently, the instrument control design for a desulfurization unit was carried out; there weren’t many points to consider. When designing the instrument cable trays, is it sufficient to simply show the construction team the route of the cable trays and the required quantity, along with their elevations? Please give your advice
It’s possible. If it’s not a new project, it’s only necessary to indicate the direction, that is, the relative position; the elevation can be determined on-site. When starting a new project, you need to consider the location of certain pipes, especially their vertical arrangement; this might be affected in some cases, so it’s important to take that into account in advance.
Sure, as long as it can be expressed clearly that’s fine. Bridge frames are generally installed based on the conditions on site; as long as the general direction is correct, that’s okay. I will prepare the construction drawings, including plans showing the spatial layout. :)
The fixing method also needs to be specified, such as brackets, hangers, etc； Based on the load of the cables to be laid, determine whether the cable tray is for light or heavy loads, as well as the spacing between supports and hangers.
Thank you all for your replies! Just starting out in this field – working hard!*
When considering what you mentioned, is it necessary to communicate more with the people in charge of the manufacturing process? Generally, is it necessary to go to the site to take a look?
Yes, any requirements related to the manufacturing process must be met
It is also necessary to indicate the model of the cable tray and the type of cables used inside it.
It would be better to go to the site and see if there is space.