I have installed the urinal and have also added a sink. I dug a ditch about 4 feet diameter and about 40 inches deep. I intend to fill with gravel after the drains are in. I have a few questions.
1. Would it be best to tie the sink into the same line as the urinal? Better to have drain above...
I was hoping to put a urinal inside and drain through the wall of the shop. I have water lines run into my garage. I will be able to set up a system to flush. I have already began to dig the ditch to drain into. I have seen several posters suggest a perpherated barrel filled with gravel...