a chilled water pipe installed above cable ladders

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malfadli

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Thuwal, Makkah, Saudi Arabia
I know that pipes should always be under power cables. However, the contractor did the installation the other way around as per the design (see photos). Is this a code violation? Or there can be some exceptions? Where can I find codes for utilities coordination?

Thank you
 

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Those pipes contain water. This installation appears to be in a wet location so what would it matter if the pipes leaked sometime in the future?
 
infinity said:
Those pipes contain water. This installation appears to be in a wet location so what would it matter if the pipes leaked sometime in the future?
Click to expand...
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hm. those wires are in saudi arabia. those pipes have chilled water.
can saudi wires stand the shock of chilled water? it's hot there.
michigan wires, no problem... they love any water that isn't frozen by now.

ok, tongue out of cheek.... +1 on infinity's assessment.
 
infinity said:
Those pipes contain water. This installation appears to be in a wet location so what would it matter if the pipes leaked sometime in the future?
Click to expand...

you right, the installation in outdoor chiller plant. The cable ladders will also have a cover. But if leaks occurred, it might be difficult/dangerous for maintenance staff to resolve the issue.
 
malfadli said:
I know that pipes should always be under power cables. However, the contractor did the installation the other way around as per the design (see photos). Is this a code violation? Or there can be some exceptions? Where can I find codes for utilities coordination?

Thank you
Click to expand...

If that's like some systems here, what you're seeing is an outer pipe over insulation over an inner pipe which carries an Ethylene Glycol compound in a closed system. Ice is made at night when it's more efficient to do so. The Ethylene Glycol is pumped through a heat exchanger in the ice during the day and pumped to AHU's in the buildings to cool the buildings during the hottest time of day. I'm sure a leak is possible but not very probable. That ain't no sch 40 pvc you're looking at.
 
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