Getting a sub base level

[Adrian80]

Hi Guys,

I have had a bit of a busy weekend, tryng to get all the sub base whacked in.

However i am now a little concerned that i haven't got it quite level enough.

The drive has a bit of fall down to the road, and a bit of fall left ot right.

However i am now a little concerned i haven't got it spot on.

I tried to screed the type 1 down with a bit of 6 x2 , and filled the low spots and whacked them in, stretched a line from left to right with the mrs, filled it a bit whacked it a bit.

But i dont have a perfectly smooth plane.

I havent built my edges yet, so am wondering once i get my edges sorted that the final levelling is achieved, and a more accurate subbase level is achieved.

However does the sand blinding cover all this up and i am just worrying about nothing.

Cheers for any advice.

A

[seanandruby]

your worrying too much. once your edgings go in you can pull a taught line across from edgeing to edging, then using a dipstick ( length of timber, or level with marks on it to determine different layers depths ) dip the line every couple of metres allowing +/- 10 ml.

[Adrian80]

Thanks for the pointers. I always like to have a go, but its nice to get it right first time which I suspect is unrealistic expectation. we live we learn. And thanks for sharing your experience.

[Tony McC]

Don't forget there is a tolerance for sub-base - +5 to -10mm