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Posted: Fri Feb 21, 2003 10:10 am
by carl
the finish level of paving is 4 inch lower than soil level .I WAS GOING TO PUT THE EDGEING along the edge .the scollped type .but how will it drain as it falls that way. i was told to leave a gap afew mill .is that ok?

Posted: Fri Feb 21, 2003 1:42 pm
by 84-1093879891
It may not drain at all - if the soil is higher than the paving, and it's poorly drained or clayey, then there's nowhere for the water to go. Try as we might, we've not been able to get water to run uphill! ;)

I'm not familiar with your particular layout, but I would suggest that you need some form of channel to direct the surface water to a collection point, such as a gully or outlet to a soakaway. Simply leaving a gap between adjacent edging units could cause water to drain ONTO the pavement from the garden, rather than t'other road round!

Is the garden particularly well-drained or is it heavy going?

Posted: Sat Feb 22, 2003 9:45 am
by carl
very good drainage .i may be better putting gravel near house wall .and decreseing slope so it wll run towards lawn.cheers what a brill site..

Posted: Sun Feb 23, 2003 2:26 pm
by 84-1093879891
What about putting a dispersal drain at the back of the edging, and then leaving 15-20mm gaps, as you described, between adjacent edgings, which will allow the water to escape to the drain?

Posted: Thu Mar 06, 2003 11:08 am
by carl
what is a dispescil drain. the patio is 25 ft . 10 ft 2 drains
near house . but not confident to run water to drains. they are 15 ft away & 1 is 5 ft away. from dpc the fin level is 4/5 inch lower than grass . should a make a border . i wanted it level really for kids bikes going across do you fit a liner drain to a house drain . how !

Posted: Thu Mar 06, 2003 1:44 pm
by 84-1093879891
Dispersal drains are illustrated on the Land Drains page.

I can't say what the best drainage solution would be as I don't know the layout of your project, but with two existing drainage points adjacent to the house, then a linear drain could well be the best solution.

Just how linear drains are connected to an existing system depends on the type of linear drain and the type of existing system. Some have special fittings, some need a new connection while others can be butted up to an existing gully or rain-water pick-up.

I'd need a photo or an annotated sketch to help you decide the best way to proceed.