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ambrosia

Plumbers Arms member
Plumber
Gas Engineer
Dec 13, 2010
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pictures shows a boiler situated in a recess left by a window which has been bricked up. the boiler is too large for the recess so the engineer has allowed the top overhang to come right over the boiler, he's then sealed the flue in

no way of telling if he's filled the hole all the way down the flue or if there is a cavity between the bricks, buts its sealed on both sides of the wall

there is no way of accessing or checking the joint on the back of the elbow

if it leaks as its sealed on both sides there's no where for flue gasses to go.
on the other hand there is no way you'd put a compression joint on a gas pipe inside a wall and this is similar

had a look in the books and on room sealed flues it doesnt say within a wall it has to be a continuous length. however it just doesnt feel right

20150918_080404[1].jpg20150918_080444[1].jpg
 
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I'd tell them that the internal skin needs to be cut away to inspect the flue joint for corrosion etc
Then they could make good the inside skin with an arch or whatever as the lintel is abviopusly damaged or removed
As for a classification, same as flue in void without inspection hatches would be my shout
 
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brand new boiler, i was just there doing a cp12 as theyre selling flat

I dont think we can call it a flue in a void as its not a void, its a masonry wall

certainly an odd situation
 
6.5 ‘Concern for Safety’ labelling procedure for ESP operatives
Note:
This procedure applies only to
ESPs or their approved agents.
An ESP has a defined and limited scope of activities.
When called to a reported gas escape a
nd/or fumes, a tightness test will be
carried out to confirm the integrity
of the gas installation downstream of the ECV.
When called to a reported smell of fumes, a visual insp
ection of the gas applianc
es in the property will be
carried out. This should enable the ESP opera
tive to identify whether there is an
‘ID’
or
‘AR’
situation within
the property and apply the appropriate action as required by
this Procedure. With the gas user or responsible
person’s permission, all other gas appliances will be turned off and a ‘
Concern for Safety’
label attached.
If, after the visual inspection, the ESP operative sees no obvi
ous signs of either an ‘ID’ or ‘AR’ situation, there
may still be a concern for safety. With the gas user or re
sponsible person’s permission,
all gas appliances will
be turned off and a ‘
Concern for Safety’
label attached.

not sure that clears it up and i havent found anything which definitively settles it. But i do seem to be going against the tide here.

at the time i thought 'wheres it going to leak to' and didnt AR it. Soon as i left however started to doubt myself
 
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more risk of the wall collapsing than the flue leaking, till the wall collapses. I would check air inlet for co/co2 and if clear leave it alone.
 

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