Yep Florida soil is nothing but sand. The hardest thing about digging is breaking thru the sod roots. I just looked at a couple of neighbor's valve boxes. They all have a stubby too. Now you fellows understand why I'm turning to you to get a good irrigation sysytem and wanting to get it done right. By the way, little about me...I'm a former contractor myself. For 10 years I worked as an independent contractor providing drafting and engineering consultation services. I now work direct for ABB Medium Voltage Power Distribution Division as a mechanical designer in the research and development dept. I design the enclosures for Outdoor Circuit Breakers You guys ever need any AutoCad tips, just ask.