Its interesting seeing everyone's views. Once you start isolating appliances to see where the leak is you really should be identifying to fixing it, there is no excuse not to.
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Its interesting seeing everyone's views. Once you start isolating appliances to see where the leak is you really should be identifying to fixing it, there is no excuse not to.
No requirement to isolate unless I've missed something. All been said in previous posts. That said, if its 3-4 MB I normally do look which is above the requirements. I also ask the question 'you don't ever smell gas, do you?' Suggesting the answer is no, because as said, if you say it when they think your looking for it they will always answer yes.
Heres another one for you.
0.5mb drop with a water u guage, but customer says they can smell gas. Can you leave it, or is this classified as no discernible drop so o.k?
Heres another one for you.
0.5mb drop with a water u guage, but customer says they can smell gas. Can you leave it, or is this classified as no discernible drop so o.k?
Don't always doubt a customer when they say they can smell gas, the smell might be blowing in through the window from next door's gas leak.
Yes, but 0.5mb on a water gauge (or 0.25 on an electronic gauge) is classed as 'no discernible drop' so who is right?
I don't assume everyone is lying when they smell gas, but I do try and get an honest answer. As we all know, there are some people in the world who'll always try and make something out of nothing, especially if they have a gripe with the landlord (H.A in particular)
I just ask the question in a way that doesn't make it out like i'm expecting as yes.
Every days a school day, I didn't know they'd put a figure on no discernable drop.
T
tamz
It has been out for a while now Loe and is usually a question in an acs exam.
It was changed to 0.25mb a wee while back.
This is what it says about it.
Note: A movement of 0.25 mbar or less on a fluid (water) gauge is considered to be “not perceptible”. Therefore, if the gauge is seen to move, it can be inferred that the pressure within the installation has altered by more than 0.25 mbar.
It follows that, where a gauge that can register perceptible movement of less than 0.25 mbar i.e an electronic gauge, is used, the pass criteria of “no perceptible movement” has to
be considered to be a maximum of 0.25 mbar except for those gauges that read to one decimal place when “no perceptible movement” is considered a maximum of 0.2 mbar.
It was changed to 0.25mb a wee while back.
This is what it says about it.
Note: A movement of 0.25 mbar or less on a fluid (water) gauge is considered to be “not perceptible”. Therefore, if the gauge is seen to move, it can be inferred that the pressure within the installation has altered by more than 0.25 mbar.
It follows that, where a gauge that can register perceptible movement of less than 0.25 mbar i.e an electronic gauge, is used, the pass criteria of “no perceptible movement” has to
be considered to be a maximum of 0.25 mbar except for those gauges that read to one decimal place when “no perceptible movement” is considered a maximum of 0.2 mbar.
another rule change to keep the training industry afloat its the same gas and the same gauge so what other reason can there be?
K
kirkgas
Get a grip, haha, how much did the training centre make extra on each candidate by telling them the change
£1.37 ?? 😉
as regards changes : changes for the sake of safety or technical improved knowledge are welocmed. the ones i find hard to take are when they change the name of something. When i did my electrical training over a 4.5-5 year period they changed the name of the live,neautral and earth about 3 times. Each time it was "they have changed the name phase to line conductor, so we have to alter all your diagrams and books to suit" the teachers used to laugh about it because it seems to go around in circles.
it's all in here keefy http://www.ukplumbersforums.co.uk/g...e-gas-engineers-forum/54721-let-gas-leak.html
it's a shame you wont be able to see it though hahaha
T
tamz
Better glasses these days?
No one can tell a 0.25mb drop on a water gauge with that degree of accuracy so they now say if you see it move at all then that is a perceptible movement.
K
kirkgas
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