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Offline bowtieboy

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lpg storage question
« on: May 29, 2015, 07:53:42 PM »
hi all, who can tell me what the clearance is from ignition sources if i have a bank of 18 x 45 kg lpg bottles ?
and exactly what regulation says what it has to be, this is 810 kg of lpg.

Any help would be great, any site certifiers out there ?   

i have looked at the lpg code of practice but i cant find the clearances

regards

Linkback: https://www.plumbers.nz/gas-station/11/lpg-storage-question/1870/
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I believe in doing a job once and right. !

Offline Badger

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Re: lpg storage question
« Reply #1 on: May 30, 2015, 08:56:37 AM »
That's a large bank of cylinders mate, not sure on the measurements, but just a thought...is it feasible to put a much smaller bank of liquid withdrawal bigger capacity cylinders and a vaporiser?

Needs to be filled insitu though, if larger cylinders used.
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You can't choose who you are.....but you are the sum of your choices.......

Offline gordyplum

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Re: lpg storage question
« Reply #2 on: June 01, 2015, 06:33:22 PM »
Hi, check out lpg code of practice #5 . there are a few certifiers in auckland, try aaron@dgcompliance.co.nz.
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Offline bowtieboy

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Re: lpg storage question
« Reply #3 on: June 01, 2015, 06:55:12 PM »
hi Badger and Gordyplum, thanks for the advice, found what i am after, but i would need to buy the standard to get my answer.
its in AS/NZS 2430 3.4
i will call a certifyer
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Offline Grant Bourke

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Re: lpg storage question
« Reply #4 on: June 02, 2015, 02:18:39 PM »
AS 2430.3.4 is obsolete. It was too easy to use I think. Now its AS/NZS 600079.10.1:2009.

This can be a really complex area so talk to a certifier.

The rule of thumb method from the standard is attached. A 45kg is about 110 litre capacity I think so 18 would give you just under 2000 litres = 4 m lateral distance and 1m  clearance above. Always pays to stand back and look at the bigger picture and ask yourself is this sensible.

A certifier can confirm requirements for your actual situation. Please do not rely on this very roughly researched post!

Cheers
Grant
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Offline bowtieboy

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Re: lpg storage question
« Reply #5 on: June 02, 2015, 08:04:12 PM »
thank you Grant, thats just what i was looking for.
i am dealing with a engineer that seams to think the clearance from 18 x 45 kg cylinders to a bank of air conditioning units is 1 m ! ???

And they have built a compound for the air conditioners right next to a compound that is intended for the gas bottles!

i didnt get a chance to contact a site certifier today but will tomorrow and we will work out what we are going to have to do to make it all compliant.
i would say its going to need to have a bund wall between the 2 compounds
i am just like you Grant, i stepped back and looked at what they had built and though.....nah !
they had gone to all the trouble of isolating the bottles from the building by 15m and then put the air con next too it all !
needless to say the qs for the job isnt happy with me, but hay! do it once do it right !

i am not prepared to put my name to a design that is wrong, these guys get paid to draw/design there buildings and compounds, so they should have done their home work

once again thank you for the info  ;)

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Offline Grant Bourke

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Re: lpg storage question
« Reply #6 on: June 03, 2015, 09:09:26 AM »
Here's how you measure around the barrier it sounds like you'll need to get built.
Best of Luck
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Offline robbo

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Re: lpg storage question
« Reply #7 on: June 03, 2015, 09:25:21 AM »
hi guys, Bowtieboy, (i am not prepared to put my name to a design that is wrong) get the engineer/designer to certify the install, if any problems crop up in the future they will come looking for the person who signed it off, the engineer/designer will walk away if he didn't certify it, cheers
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Offline Badger

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Re: lpg storage question
« Reply #8 on: June 03, 2015, 06:20:00 PM »
It begs the question....

Why isn't this info freely available to all?

I believe every tradesman should get given, on completion of his apprenticeship (and at the beginning for reference for that matter), a comprehensive bible of "how to". Not sold off piecemeal, book by book, with a maze of different regs, with grey areas of compliance.

And by "how to" I mean black and white, no mandatory and non mandatory....just, this is how you do it and that is that. If it doesn't fit certain parameters/measurements then it don't happen.

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Offline gordyplum

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Re: lpg storage question
« Reply #9 on: June 03, 2015, 08:24:17 PM »
Hi, the theory is that the engineer/designer is responsible for sign off on the design. As the gas fitter, the sign off only concerns the installation. Problem is who wants to be the first one to have their name out there IF something goes wrong and the engineer resigns! I can see it now.' Why didn't the gasfitter say anything.'!!!!!!
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Offline wombles

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Re: lpg storage question
« Reply #10 on: June 04, 2015, 08:01:47 AM »
Badger, your reply is not like you at all.  We all know the reason why there are no B&W instructions. It's so that people like Tony Hammond can say that their interpretation is the only correct one and you are wrong so we will prosecute and increase our coffers. Is that too harsh?
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Offline Badger

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Re: lpg storage question
« Reply #11 on: June 04, 2015, 06:00:28 PM »
Not harsh enough mate.... ;)
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