Science0 min ago
boiler terminal
9 Answers
"is too close to adjacent wall and has no guard" can anyone explain what this means ?
The flue is on outside wall of kitchen but within an open brick porch. It's faced with a metal plate & the surround is fixed metal mesh. It's been the same situ for at least 20y.
The flue is on outside wall of kitchen but within an open brick porch. It's faced with a metal plate & the surround is fixed metal mesh. It's been the same situ for at least 20y.
Answers
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Without seeing the offending 'boiler terminal' and being able to read the report in context, I'm having to use a bit of guesswork here but . . .
The whole point about having a flue is to ensure that hazardous gases (principally carbon monoxide) can freely escape to the environment. That means that a flue must feed into an area where there is a good circulation of air. Your quote suggests that your flue outlet is to an area where air can become trapped, resulting in a risk of toxic gases building up inside the flue and being forced back inside your house.
I'm unsure as to what type of 'guard' the person who wrote the report would like to see. It might be that he/she simply wants to see a guard to prevent people bumping their heads (or scraping their bodies) against the flue. However it's probably more likely that the person writing the report believes that the flue might become hot, necessitating the provision of a guard to prevent people sustaining burns.
Chris
The whole point about having a flue is to ensure that hazardous gases (principally carbon monoxide) can freely escape to the environment. That means that a flue must feed into an area where there is a good circulation of air. Your quote suggests that your flue outlet is to an area where air can become trapped, resulting in a risk of toxic gases building up inside the flue and being forced back inside your house.
I'm unsure as to what type of 'guard' the person who wrote the report would like to see. It might be that he/she simply wants to see a guard to prevent people bumping their heads (or scraping their bodies) against the flue. However it's probably more likely that the person writing the report believes that the flue might become hot, necessitating the provision of a guard to prevent people sustaining burns.
Chris
The requirements form part of Building Regulations Part J, which are to do with protection from heat-producing devices. The relevant document is here.
http://www.planningpo...r/BR_PDF_ADJ_2002.pdf (big document)
On page 43, Diagram 34 shows the acceptable location of outlets in relation to the distance to other parts of the building. The table on the following page annotates the letters on the diagram.
"is too close to adjacent wall" means just that. It will either be in relation to a return wall at the side or the roof of the porch above it.Diagram 39 may be helpful as well if you have the outlet shielded from combustible material. This assumes gas - there is another diagram a few pages further on for oil-fired.
"has no guard" is covered by para 3.25 and 3.26 on page 42. A guard is not obligatory - the text comments about situations when birds or squirrels might try and nest or contact by hand may occur. Presumably the latter here. Probably best to just fit the guard rather than fight the interpretation placed.
Building Regs are not retrospective unless some upgrading has occurred when the latest regulations generally apply - unless it is impossible to do (example can't make a staircase in an old cottage apply to new regs). However they are good practice practice. But presumably you've had some mods done to the boiler (replacement?) as BR Inspectors generally don't go around the town looking for such defects.
http://www.planningpo...r/BR_PDF_ADJ_2002.pdf (big document)
On page 43, Diagram 34 shows the acceptable location of outlets in relation to the distance to other parts of the building. The table on the following page annotates the letters on the diagram.
"is too close to adjacent wall" means just that. It will either be in relation to a return wall at the side or the roof of the porch above it.Diagram 39 may be helpful as well if you have the outlet shielded from combustible material. This assumes gas - there is another diagram a few pages further on for oil-fired.
"has no guard" is covered by para 3.25 and 3.26 on page 42. A guard is not obligatory - the text comments about situations when birds or squirrels might try and nest or contact by hand may occur. Presumably the latter here. Probably best to just fit the guard rather than fight the interpretation placed.
Building Regs are not retrospective unless some upgrading has occurred when the latest regulations generally apply - unless it is impossible to do (example can't make a staircase in an old cottage apply to new regs). However they are good practice practice. But presumably you've had some mods done to the boiler (replacement?) as BR Inspectors generally don't go around the town looking for such defects.
without seeing the situation its difficult to judge what the person had in mind when the opinions were offered but hopefully the decision was based on safety foremost.
as for the guard it is obligatory, based on gas safety laws and not building regs.
Current regs and standards require a terminal guard to be fitted where the terminal is accesible to touch or at risk of being damaged.all wall mounted terminals sited within 2 metres of the level which people have normal access, should be adequately protected with a suitably sited guard.
that said the laws are not retrospective and you can get the feeling people are being a touch over zealous sometimes.why not have a chat and see what the reaction is?
to give you an idea of costs tool station charge for a guard , £10 for mild steel,£11.20 for plastic coated and £18.00 for stainlees steel. you need the better ones for condensing boilers as they will eat away the mild steel in a short space of time.
good luck with it and could you let us know how you get on please
as for the guard it is obligatory, based on gas safety laws and not building regs.
Current regs and standards require a terminal guard to be fitted where the terminal is accesible to touch or at risk of being damaged.all wall mounted terminals sited within 2 metres of the level which people have normal access, should be adequately protected with a suitably sited guard.
that said the laws are not retrospective and you can get the feeling people are being a touch over zealous sometimes.why not have a chat and see what the reaction is?
to give you an idea of costs tool station charge for a guard , £10 for mild steel,£11.20 for plastic coated and £18.00 for stainlees steel. you need the better ones for condensing boilers as they will eat away the mild steel in a short space of time.
good luck with it and could you let us know how you get on please
thanx for all your help....think I've got the piccy and am on the case.
http://www.amazon.co....ef=pd_sl_5wngynjbw6_b
http://www.amazon.co....ef=pd_sl_5wngynjbw6_b
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