Dimension
A*
Directly below an opening, air brick, opening window etc.
B*
Above an opening, air brick, opening window etc.
C*
Horizontally to an opening, air brick, opening window etc.
D
Below gutters, soil pipes or drain pipes
E
Below eaves
F
Below balconies or car port roof
G
From a vertical drain pipe or soil pipe
H**
From an internal or external corner
I
Above ground, roof or balcony level
J
From a surface facing the terminal
K
From a terminal facing the terminal
From an opening in a car port (e.g. door, window) into
L
dwelling
M
Vertically from a terminal on the same wall
N
Horizontally from a terminal on the same wall
*In addition, the terminal should not be 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
or door frame (See figure 3b).
** The reference to external corners does not apply to building protrusions not exceeding
450mm, such as disused chimneys on external walls.
Figure 3
INSTALLER GUIDE
Terminal Position
Page 10
Minimum
Distance
300mm
300mm
300mm
75mm
200mm
200mm
150mm
200mm
300mm
600mm
1200mm
1200mm
1500mm
300mm