46
IND GUIDE INST 10-11
HHIC REF T11/0027BRev8
Figure 7
–
Example of a purpose-made soakaway
Key
1
Condensate discharge pipe from boiler
2
Ground (this section of the condensate drainage pipe may be run either above or
below ground level); End cut at 45 °
3
Diameter 100 mm minimum plastic tube
4
Bottom of tube sealed
5
Limestone chippings
6
Two rows of three 12 mm holes at 25 mm centres, 50 mm from bottom of tube and
facing away from house
7
Hole depth 400 mm minimum by 300 mm diameter
8
Minimum internal diameter 19 mm
9
Pipe size transition point
10
Minimum internal diameter 30 mm
11
Water/weather proof insulation