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-   -   Merged: Oxygen tanks topped up with Nitrogen (https://www.pprune.org/australia-new-zealand-pacific/304695-merged-oxygen-tanks-topped-up-nitrogen.html)

guidohatzis 22nd Dec 2007 09:46

Nitrogen asphyxiation was once used as a means of capitol punishment... I think I see what Qantas is trying to pull here...

Capt Wally 23rd Dec 2007 22:28

...very clever "guidohatzis":)

Yr right QF hardly need to do that to their staff, T&C's are more 'lethal' & the result is ongoing !

Can't believe the stuff up there but it's bound to happen in an ever changing climate where cost cutting etc. is injected into some of the upper management to produce a GM (not General Manager, Genetically modified) been counter !! !:bored:

CW

Capt Wally 23rd Dec 2007 22:31

.....whoooops "bean" counter, must be O2 deprivation & I haven't even been near a QF flight !:bored:

CW

Excalibur, 31st Dec 2007 06:07

frigging around to get it right
 
The carts were designed by LAME's, for LAME's and IAW the relevant standards, i.e. colour coding etc.
Extensive consultation was carried out across the network with involvement of both trades.
No they weren't the cheapest or easiest option. They took a hell of a lot of frigging around to get right




My question why did QE design a cart that could be purchased off the shelf and in use with ever other operator,does any one know why?.

SeldomFixit 31st Dec 2007 23:44

Because, Excalibur, there is the QANTAS way ( applicable to anything at all aviation related ) and then there is the way the rest of the world does it :ok:

Short_Circuit 31st Dec 2007 23:50

The QF Way
 
You don't build up you own empire buying off the shelf.

the shaman 1st Jan 2008 00:54

best suggestion yet is to paint oxy carts green and make this standard colour for oxy servicing GSE.

Also why were the nitro carts not designed to be refillable from a booster & bulk storage bottle bank. This worked brilliantly in my days at Ansett, it saved time and eliminated manual handling of heavy cylinders. Particularly useful at main base where there is a high use of nitro. :confused:

Deck Zone 1st Jan 2008 04:24

The Shaman

Some Ports are using the old Ansett gear to do just as you suggested.:)

Excalibur, 1st Jan 2008 04:31

Who's Responsible
 
What aviation GSE company built the rigs, does any one know? Surely they have some responsibility.

the shaman 1st Jan 2008 08:15

maybe magoo 31 can shed some light on this one...???:ugh:

the shaman 1st Jan 2008 08:19

BTW thanks DZ for info... glad to see common sense and practical use of GSE prevails at some ports..:D:D:D

wasastudentpilot 27th Jul 2008 01:35

:eek: := Why is everyone looking at the cylinder colour?!?!?! :ugh:

It seems it is actually the colour of the neck (near the valve) of the cylinder that signifies the contents and is therefore what one should be looking at.
The cylinder colours themselves may vary.
For nitrogen the neck is black. For oxygen it is white.
So even "at night, when raining, in blinding sun, under time constraints with a good level of fatigue etc, etc, etc" it should still be fairly obvious if it is black or white on top. You can't get any more contrasting colours than that.
In addition of course every cylinder must also be clearly labelled with the name of the gas it contains.

http://www.bcga.co.uk/preview/public...tis06-2005.pdf

sobast 28th Jul 2008 09:34

Hi wasa...
They're actually looking at the colour of the carts that carry the bottles. The necks of the bottles are covered by the enclosed part of the trolley so the neck colour can't normaly be seen.
Part of the problem now is that they've got the wrong people leading the charge to address the issue. How many months have they had to address that and the other issues? Way too many!

ElPerro 28th Jul 2008 10:46


Originally Posted by Tail Wheel
Is the gas label on the bottles visible when the bottles are on the cart? If so, would someone not notice "Oxygen" is not spelt N-i-t-r-o-g-e-n?

It's a valid point. Do we really need to employ LAME's simply on the basis that presumably they are the only ground handling employee's that can read / understand the requirement to put oxygen where oxygen is required?

blackd 2nd Aug 2008 07:48

How About A Headline for the Media?
 
I wish the oxy bottle/decompression had occured closer to 1 April. How's this for a headline:

Oxy bottle topped off with nitrogen! Explosive gas mixture error key to 747 mid-air near disaster!

I wonder how long it would take 'em to work it out. :hmm:

T28D 2nd Aug 2008 09:28

Given OXY bottle is black and Nitrogen Grey the labels only confirm contents

Lagrange Mechanic 2nd Aug 2008 13:22

Does the same labling (visibility) efficacy apply for contract disclosure on 'cheap as chips' mobile phone contracts :E :p

T28D 2nd Aug 2008 22:34

Absolutely

the shaman 4th Aug 2008 10:02

[QUOTE][/ampclamp oxy carts

--------------------------------------------------------------------------------
How long are the "new' oxy carts going to be left gathering dust in a hangar in SYD? QUOTE]

OMFG .... do not tell me these carts are still sitting idle in 131 doing FA... what a fantastic rate of return on shareholders investements... ?????:ugh:

Ngineer 4th Aug 2008 10:42

Although tech services have ckd crew bottles for oxygen purity, they have not ckd the passenger bottles. Even on the aircraft in question. Their excuse? The pass oxy sys was approx 1800psi when charging so no nitrogen would have entered any bottles. Too bloody difficult would be a more likely story.


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