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'iii"
~
0
J
Likely flue positions requiring
a flue terminal guard
Fig. 14
G
.Terminal
Position with Minimum Distance (Fig. 14)/
(mm)
A* Directly below an openable window, air vent or any other
ventilation opening.
B
Below gutters, drain/soil pipe.
C
Below eaves.
D Below balcony/car port roof
E
From vertical drain pipes and soil pipes.
F
From internal or external corners.
G Above adjacent ground or balcony level.
H
From a surface or boundary facing the terminal.
I
Facing terminals.
J
For opening (door/window) in car port into dwelling.
K
Vertically from a terminal on the same wall.
L
Horizontally from a terminal on the same wall.
M* Above an opening, air brick, opening window etc.
N* Horizontally to an opening, air brick, opening window etc.
300
25
25
25
25
25
300
600
1200
1200
1500
300
300
300
.
In addition, the terminal should be no nearer than 150mm to an
opening in the building fabric formed for the purpose of
accommodating
a built-in element such as a window frame. See BS
5440 Pt. 1.
7.0
SITE REQUIREMENTS
7.7
Flue
NOTE: Due to the nature of the boiler a plume of
water vapour will be discharged from the flue. This
should be taken into account when siting the flue
terminal.
1. The following guidelines indicate the general
requirements for siting balanced flue terminals. For GB
recommendations are given in BS 5440 Pt 1. For IE
recommendations are given in the current edition of
I.S. 813 "Domestic Gas Installations".
2. If the terminal discharges onto a pathway or
passageway, check that combustion products will not
cause a nuisance and that the terminal will not
obstruct the passageway.
3. If a terminal is less than 2 metres above a balcony,
above ground or above a flat roof to which people
have access, then a suitable terminal guard must be
provided.
H,I
--@
Fig. 15
:-
Property Boundary Line
16
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