09-24-2013, 09:34 AM
My catchment lies beneath my patio, in a puka that is large enough to hold one. It is concrete on all sides. The patio was laid on top of it. There is a hatch in my patio that allows access to the catchment. The pump is submersed in the tank. I didn't conceive of this. It came that way. I am happy with that arrangement though, as it helps to keep things other than water and the pump out of the tank. The topography lent itself to this and I don't think much extra digging was required. Pacific Gunnite probably did the work but I am not sure. I like that I cannot see it. One downside is that the hatch is very heavy (sold concrete) and when you raise it very small bits of concrete debris can go in the tank. I raise it on a need-to-know basis. You know --someone comes to visit and goes missing or we have a three month long drought and I am wondering if I have enough water to bathe my dog.