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NotThamesWater
Question; how long will it take me, on my own to dig a trench?
0.18m³
Soil type; should be brutal clay
(but it could have a decent layer of garden beddign topsoil type stuff.)
Background; my ground in the neighbours garden that butts up to my brick shed comes above the DPM. Ideally one day it needs to be dug out and at the very least have gravel put in the gap to help move the water away. I think they may be selling, which makes it feel like that day has arrived.
The brick shed is ~3m long. I'm guessing I'd need to dig 3 bricks worth of depth.
So....
Bricks @ 65mm x 3 ≈ 20cm
Trench maybe 20-30cm
0.2 x 0.3 x 3 = 0.18m³
^ is that right?edited.