Water distribution systems are designed with a certain velocity, pressure and volume at every fixture and device, even at peak demand. It is our job to make sure that this is accomplished with our codes and standards. We must also assure not only to our customers, but the water purveyors that we are preventing cross-connections via backflow conditions.
Here in Wisconsin, the first thing that we need to accomplish is a water calculation worksheet. This worksheet, once completed, will determine minimum pipe sizes to serve all the fixtures and devices that need a supply of water.With the first part of the



















