I am renting a shop with a basement in which I work and have been thinking of running mains water in there and had assumed that I would need a pump to get the waste out. Moving some stuff about today I noted an irregular looking piece of skirting so removed it and found what appears to be an opening to a 5 inch waste pipe. The basement floor is approx 8 feet beneath the level of the outside road, is it normal for drainage/waste to be so deep?
It all depends on the locality. It could be any depth from a foot to 10 feet deep. I've come across both of those depths in the last few months. The 10 foot deep one was at the top of a hill, the 1 foot was at the end of a run in a cul de sac, with a gentle slope downward from there. Alan.
It's not unknown. But I'm mot sure that it's a good idea to have an open - albeit trapped - connection at that level. Just imagine what will happen if it gets blocked downstream, and backs up - ugh!! It's far safer to pump upwards and connect at street level.
Apparently it goes into the storm drain and into a culvert under the road.
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