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East Gippsland Water reminds homeowners to locate and maintain their overflow relief gully to prevent sewer backups
Homeowners should locate their overflow relief gully (ORG) to prevent sewer backups. ORGs allow sewage overflow outside rather than inside homes. Ensure they are clear, unsealed, and not connected to storm water drains.
Most water and sewerage pipework is hidden underground, but there is one important piece of sewage pipework that homeowners should be able to see. It is an overflow relief gully (or ORG for short), and most properties will have one. If you can't find it, your property may have a reflux valve installed instead.
Homeowners should identify their overflow relief gully (ORG) or reflux valve, which prevents sewage backups and may be necessary in flood-prone areas
Sewer backup prevention
A reflux valve allows sewage to flow in one direction only and is intended to automatically close when flow reverses. A reflux valve may also be required for a property in a flood zone. East Gippsland Water General Manager Customer, Community and Communications David Radford said overflow relief gullies are a pipe with a loose grate on top.
"They are usually outside the laundry, kitchen or bathroom. If you have moved into a property, it is important to find your overflow relief gully. You want to check that it hasn't been buried under dirt, and that the grate is loose, not sealed to the pipe."
"The purpose of the overflow relief gully is to prevent a blocked sewer backing up and overflowing into a house. If you do have a blockage, the grate on the overflow relief gully lifts off and allows the sewage to overflow freely outside the house. The grate is there to stop objects falling into the sewer, not to stop material flowing from it," Mr Radford said.
Preventing sewer overflows
Mr Radford also said, "The overflow relief gully will be at least 150 mm lower than the lowest drain or toilet in your home. This is so sewerage will reach the grate before it reaches the sinks or toilet in your home. It also needs to be at least 75 mm above ground level - this prevents stormwater flowing into it."
"It is also important that a property does not connect downpipes or storm water into the overflow relief gully. The sewerage network is not designed to carry large volumes of water from rain and storms. It can overload the system and increases the chances of sewer blockages and sewage spills during heavy rain," Mr Radford said.
Pictures from East Gippsland Water website.
Source: http://gippsland.com/
Published by: news@gippsland.com

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