There are several things to consider not readily covered in NFPA 13D and 13R: water supply, backflow prevention, alarms/accessories and fire department connections.

It all revolves around a very basic equation to determine velocity and rate of flow.

Roof drainage is one of the fundamental considerations of building design.

Around the globe, scientists are discovering our water supply may seem abundant, but our drinkable water supply is in high demand and short supply. That is why the plumbing industry has dedicated considerable efforts to protecting what drinkable water we have through devices and technologies that have evolved over the last century.

The use of hydrant flow testing data to design automatic sprinkler systems has gotten easier thanks to new computer modeling software.

There have been various methods devised for the sizing of water hammer arresters, creating confusion regarding the proper method to use.

Providing equipment selection and pipe sizes that deliver adequate water flow to plumbing fixtures and equipment in tall buildings is an important design task of the plumbing design professional.

The design of the plumbing systems in a commercial kitchen is almost as complex as a hospital, but without the critical life support systems.