lumps in a lawn? / small retaining wall?

[ColJack]

My new flat came with quite a large garden with 2 lawns..

one lawn near the flat is ok, but the other lawn has large lumps in it..

what is the best way to get rid of these?

is it a case of skimming the turf off the top, scooping out the lump and replacing the turf?
or do you think a few weekends with a heavy roller will level it all out?

the garden slopes away from the flat as well but has been sort of terraced with the bottom half about a foot and a half lower than the top..

this change in height is currently acheived by a small steep bank.

the bank is not square so I would like to build a retaining wall with blocks on flat and face it with brick and back fill to it to square off the patio above..

how deep do I need the foundations to be if they are 18 inches wide to support a wall about 4 feet high? ( 1 1/2 feet retaining as above then a further 2 foot or so with just the brick skin as a safety wall..?

 

[Thermo]

to even out the bumps, carfully lift the turf and remove the excess soil underneath. using a roller will only compact the soil underneath.

 

[ColJack]

thanks, that's what i thought..


think I can re-post the brick wall question to the building forum without braking any rules?

 

[Thermo]

you should be looking at about 300-400mm for a retaining wall at that height.