I have a well that is currently enclosed in a large, unsightly manner with a 1/2" steel sheet. I am having the driveway redone and I want to redo this so it is just a round hole with a cover. How can I approach this without buying one of those super heavy concrete pipes? Can I use brick for the wall of the hole? I only need the hole to be around 15" in diameter. The hole is about 3 feet deep currently.