ESP Ecocent 100L Installation And Operation Manual page 25

Examples of acceptable discharge arrangements are:
i. ideally below a fixed grating and above the water seal in a trapped
gully.
ii. downward discharges at low level; i.e. up to 100mm above
external surfaces such as car parks, hard standings, grassed areas etc.
are acceptable providing that where children may play or otherwise
come into contact with discharges a wire cage or similar guard is
positioned to prevent contact, whilst maintaining visibility.
iii. discharges at high level; e.g. into a metal hopper and metal down
pipe with the end of the discharge pipe clearly visible (tundish
visible or not) or onto a roof capable of withstanding high
temperature discharges of water and 3m from any plastic guttering
system that would collect such discharges (tundish visible).
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