We've uncovered a well in the foundations of our new extension. We plan to put a glass cover on the top to have as a feature in the new kitchen floor, but whilst we can access it, I'd also like to put in the capability to pump the water to use to irrigate the garden. I'd prefer not to use a submersible pump as it will be very difficult to lift up the glass cover once its in place (as this will be a walk on cover), so I'm thinking what would be good would be to install some kind of permanent (copper??) pipe down the inside of the well, into the water (which is about 7m down), and coming out of a hole in the side of the well near the top, and out into the garden, where we can attach a pump (either petrol or electric) to use when we need to. I'm struggling to find much info about the best way to do this, the diameter of the pipe to use, or even whether this is actually likely to work. Wondering if anyone could advise?