UHV/EHV Cables in aerial rack distance to Coke/Blast Furnace Gas

[Joao]

Is there any standard that refers minimum distance between UHV/EHV Cables and Coke/Blast Furnace Gas?

Any EMC study must be done?

 

[Julius Right]

In my opinion, you should see:
NEC art.503.10 for wiring above coke field.
NESC Rule 234. Clearance of wires, conductors, cables, and equipment from buildings, bridges, rail cars, swimming pools, and other installations