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3.3.DISCHARGE
It is a requirement of Building Regulation G3 that any discharge from an
unvented system is conveyed to where it is visible, but will not cause
danger to persons in or about the building.
The Tundish supplied and the discharge pipes should be tted in
accordance with the Requirements and Guidance Notes of Building
Regulation G3. These are essentially as follows:
G3 REQUIREMENT
“...there shall be precautions...to ensure that the hot water discharged from
safety devices is safely conveyed to where it is visible but will not cause
danger to persons in or about the building.”
3.3.1 Discharge pipe MUST terminate in a SAFE, VISIBLE position
3.3.2 Water may drip from the discharge pipe of the pressure relief
device and that this pipe must be left open to the atmosphere.
3.3.3 The pressure relief device is to be operated regularly to remove
lime deposits and to verify that it is not blocked
3.3.4 The discharge pipe connected to the pressure relief device is to be
installed in a continously downward direction and in a frost free
enviroment.
FIGURE 03 SCHEMATIC: INSTALLATION DIAGRAM
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