Sloped driveway - Sloped driveway

[CaptB]

I have a driveway that when we moved in has slipped and cracked.
Due to being on a steep slope.

I`m looking to replace it. With a single car driveway.
But due to the steepness of the bank I`m not 100% on what I need to do.
So far i`m working on digging a footing, then building a retaining wall on the footing.
behind the wall i`m not sure what to do. If i should concrete a sub-base in or use hardcore. Any advice would be well recieved.

[bobhughes]

Not sure what you mean here. Can you post a picture or give more detail?

[CaptB]

I`ll get a photo this morning for you cheers.

[CaptB]

Photos now below

[CaptB]

Noticed how someone else has done it. So here`s the pics as promised.


http://img87.imageshack.us/my.php?image=dsci00574pv.jpg
http://img114.imageshack.us/img114/2158/dsci00540ho.th.jpg

As you can see its a bit of a disaster at the moment.
Should see where the conservatory is going at the back, there is a dead dog buried under the patio thats coming up. (from previous owner).

[bobhughes]

Still not sure what you are asking?

First build the retaining wall (see main site)

Then lay drive.

Looks like you got a job and a half there.... Just think how chuffed you will be when it's done.

[CaptB]

Do you think it would need anything extra to support the weight of the drive? The ground is very soft.

I am looking at putting the retaining wall round the 3 sides away from the footpath. Hardcore,then blinding with sand. Then laying
Porphyry cobbles on top for a nice finish.
http://www.stone4less.com/porphyr....nes.htm

[Tony McC]

Porphyry is a relatively fragile material and it needs to be laid on a full bed of concrete if you plan to put vehicles onto it.

[CaptB]

Would you be recommending using concrete instead of hardcore or bedding the units in a layer of concrete?

[Tony McC]

Yes. 100mm minimum of C20/ST4 concrete.