Discharge Pipework
16
Figure 10: Typical Discharge Pipework Arrangement
IMPORTANT: THE DISCHARGE WILL CONSIST OF SCALDING WATER AND STEAM. ASPHALT, ROOFING FELT AND
NON-METALLIC RAINWATER GOODS MAY BE DAMAGED BY SUCH DISCHARGES
— Take necessary precautions
Metal discharge pipe (D1)
from temperature relief
valve to tundish
Sleeved through wall
Discharge below
fixed grating
Fixed grating
Trapped gully
Metal discharge pipe (D2)
from tundish with contin-
uous fall of at least 1 in
200
300mm min.
600mm max.
Safety device (e.g.
temperature relief
valve)
