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paimun
Participant

Join Date: Oct 2010
Posts: 1

Calculation

10/13/2010 2:03 AM

please guide me in my project:

this project is a petrochemical plant.this part that I need is length 150,wide 85 m.

inclouded some vessels a storage tank with high above 55 m (that ia the highest structure in this part) and pipe-rack in steel structure material.

I need to know how can I calculate the following parameter :

1)earth pit .

2)lightning protection.
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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 32175
Good Answers: 839
#1

Re: calculation

10/13/2010 3:24 AM

<...earth pit ...>

British Standard 7671 applies, though if the earthing provision is anything other than TT or IT, an earth pit may be unneccessary.

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mountk2
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Join Date: Jun 2010
Posts: 348
Good Answers: 10
#2

Re: calculation

10/13/2010 7:21 AM

And what about:

3) Cathodic Protection of your petro chem plant, is that already there?

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