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Commentator

Join Date: Aug 2013
Posts: 55

Fuel Oil Dyke Area and Transmission Line

10/04/2016 5:59 AM

Is there a standard which gives the clearances between electrical transmission line and fuel oil storage tank & dyke area in a power plant. I have checked OISD guidelines however, no such clear distances are specified in them.

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Guru

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#1

Re: Fuel Oil Dyke area and transmission line

10/04/2016 6:34 AM
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Guru
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#2

Re: Fuel Oil Dyke Area and Transmission Line

10/04/2016 3:01 PM

Dike ≠ dyke.

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#3
In reply to #2

Re: Fuel Oil Dyke Area and Transmission Line

10/04/2016 4:09 PM

...said the little Dutch boy, who stuck his finger in the wrong place and got slapped silly.

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Guru

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#4

Re: Fuel Oil Dyke Area and Transmission Line

10/04/2016 7:44 PM

How high is the dike and how high are the power lines?

If the dike is lower than any tank or structure under the lines at any other point then obviously it's not an issue.

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Commentator

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Posts: 55
#6
In reply to #4

Re: Fuel Oil Dyke Area and Transmission Line

10/06/2016 2:33 AM

The dyke wall area is having a height of 2m. While the tanks within the dyke area have a max height of 20m.

The transmission line would be at a height of around 10m.

However, OISD clearly specifies that transmission lines should not pass over the dyke area. However, it does not say anything about the horizontal distances between the trasnsmission line and the dyke..

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Guru

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#7
In reply to #6

Re: Fuel Oil Dyke Area and Transmission Line

10/06/2016 9:43 AM

The dike is not at issue. It's the potential height of the flames from the oil contained within the dike that should be your concern.

How you propose to pass 10 meter high lines through, or over, a 20 meter tank is the mystery.

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Commentator

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#9
In reply to #7

Re: Fuel Oil Dyke Area and Transmission Line

10/19/2016 8:58 PM

The transmission lines will not pass over the tanks, they will pass over the dyke area only whose wall height is 2 m

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Guru

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#5

Re: Fuel Oil Dyke Area and Transmission Line

10/05/2016 9:50 AM

National Electrical Safety Code, ANSI C2.

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Guru
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#8

Re: Fuel Oil Dyke Area and Transmission Line

10/15/2016 1:10 AM

It depends upon which OISD (Oil Industry Safety Directorate of India) standard you look at. For example OISD 244 states: "...f) Overhead power transmission lines shall not pass over the installation including the tank truck parking areas. Horizontal clearance shall be in line with the Indian Electricity Rules..." While not exactly what you're looking for I suspect that you should look into the applicable section of the IER for further clarification.

In the USA you would consult your copy of the NESC (National Electric Safety Code); not to be confused with the NEC (National Electric Code) which does not deal with transmission line clearances/safety.

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