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Landscaping a raised percolation area


 
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jcorbett
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Joined: 24 Apr 2014
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Location: Allenwood, Naas

PostPosted: Fri May 16, 2014 8:22 am    Post subject: Landscaping a raised percolation area Reply with quote

For environmental reasons I've had a raised percolation area installed in my back garden that now presents a real landscape challenge. Its about 10m x 6m in area and over a metre high. I'm looking for idea's on how best to make this mound a more acceptable feature in the garden. I need to plant some trees or hedging to the rear of the garden now to avoid overlooking neighbours gardens when standing on the mound. Any suggestions gratefully appreciated.
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Greengage
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Joined: 09 Nov 2011
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Location: Kildare

PostPosted: Fri May 16, 2014 1:27 pm    Post subject: Reply with quote

I dont understand how can you have a raised percolation area water flows downhill not up, maybe im missing something or it too early in the day for me can you give more info.
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Good guy
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Location: Donegal

PostPosted: Fri May 16, 2014 10:00 pm    Post subject: Reply with quote

Photos or a sketch would help.
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tagwex
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PostPosted: Fri May 16, 2014 10:42 pm    Post subject: Reply with quote

Thousands of raised percolation areas around the country greengage, most of which will fail the sewage tests shortly. Two types gravity or pumped - The filtering pipes are either under the natural ground or sitting on top of it and the waste is pumped up to them depending on test results. The pipes are laid almost level, 1:200. They are used in areas that fail the percolation tests and imported soil/gravel is brought in to act as a filter bed instead of the natural soil. They are built up in layers to facilitate filtration at an allowable rate into the poor surrounding soil or collected into a pipe and discharged to a watercourse.


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_________________
Its my field. Its my child. I nursed it. I nourished it. I saw to its every want. I dug the rocks out of it with my bare hands and I made a living thing of it!

This boy can really sing http://youtu.be/Dgv78D2duBE
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Good guy
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Joined: 11 Feb 2013
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Location: Donegal

PostPosted: Sat May 17, 2014 9:28 am    Post subject: Reply with quote

How deep is the soil over the protective fabric? Ornamental grasses might disguise the mound well, without any danger of their roots interfering with the percolation system.
Does the mound need to be flat on top? It could be made into a more naturalistic 'hill' shape, if that wouldn't interfere with its function.
If you are in a rural location, select hedge species that grow wild, locally.
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Greengage
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Location: Kildare

PostPosted: Sat May 17, 2014 10:25 am    Post subject: Reply with quote

you live and learn, If you just want one plant i would use Cotoneaster, or bergenia I would go for a mix of low ground cover Geranium, Borage, Myrtle, Rosemary, Mahonia
Winter Aconite
Crocus
Daffodil
Genista Dicentra Pulmonaria (Lungwort) Gorse (Ulex)
Rosemary (Rosemarinus)
Flowering Currant (Ribes)
Primrose (Primula vulgaris)
Bluebell (Choose native varieties)
Cowslip (Choose native varieties)
Snakeshead (Fritillaria meleagris)
Winter Honeysuckle (Lonicera fragrantissima,
Barberry (Berberis) (Lamium)
Bugle (Ajuga)
Ground Ivy
Snowdrops (Galanthes) single flowered varieties
Winter Heathers (Erica carnea)
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tagwex
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PostPosted: Sun May 18, 2014 10:48 am    Post subject: Reply with quote

I never thought that I would teach you anything greengage as you are the wise one here, you answer questions rather than ask them. But silver surfer has you flummoxed on occasions!!!
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Its my field. Its my child. I nursed it. I nourished it. I saw to its every want. I dug the rocks out of it with my bare hands and I made a living thing of it!

This boy can really sing http://youtu.be/Dgv78D2duBE
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Greengage
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PostPosted: Sun May 18, 2014 5:45 pm    Post subject: Reply with quote

Nobody knows everything, I just dont know what to ask, As for silver surfer there is no competition when it comes to plant ID she is way ahead of the Poosee. Good fun on here though.
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tagwex
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PostPosted: Sun May 18, 2014 8:28 pm    Post subject: Reply with quote

Ask about what you don't know about! Simples. I've been getting away with it for years.
_________________
Its my field. Its my child. I nursed it. I nourished it. I saw to its every want. I dug the rocks out of it with my bare hands and I made a living thing of it!

This boy can really sing http://youtu.be/Dgv78D2duBE
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jcorbett
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Location: Allenwood, Naas

PostPosted: Fri May 23, 2014 4:51 pm    Post subject: Raised Percolation Mound Reply with quote

Thanks for the feedback. The percolation area was installed according to EPA Code of Practice 2009 so hopefully it meets with the most up-to-date requirements. The mound is flat topped but the sides are at a 45 degree angle and therefore it will be awkward to access with a lawnmower if I plant in grass. I'm thinking of building a dry stone wall to the front and back filling with more soil and perhaps planting some rock plants in the wall to create a more visually pleasing effect when viewed from the house. If I include steps in the centre of the wall to access the top of the mound then perhaps I could build a patio area on top and some raised beds for planting. I want to end up with relatively low maintenance on this mound and I'm hoping that I get some tips on the type of plants to use that will not require a lot of cutting back in the future. Finally, I do need to introduce some form of screening at the back of the mound to facilitate the neighbour not being over-looked. Suggestions gratefully appreciated.
Joe
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tagwex
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Location: Co. Wexford

PostPosted: Fri May 23, 2014 9:52 pm    Post subject: Reply with quote

A chamomile and thyme lawn???
_________________
Its my field. Its my child. I nursed it. I nourished it. I saw to its every want. I dug the rocks out of it with my bare hands and I made a living thing of it!

This boy can really sing http://youtu.be/Dgv78D2duBE
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