A storm drain is a network of underground pipes designed to control flooding by transporting stormwater from urban areas to a body of water. A storm drain may also be known as a curb, gutter, channel, ditch, pipe, or culvert. Facility storm drainage is therefore a network of pipes inside the envelope of a building which may include underground piping designed to control flooding by delivering stormwater from the roof to the network of pipes outside the building. Facility storm drainage is therefore restricted to that which is installed within the envelope of the structure to drain storm water from the roof of the structure.

Backwater valves are installed in the main sanitary waste piping line from the building to the sanitary waste line on the property, hence they are called in-line backwater valves. They are valves that are installed in your sewer line for the purpose of closing off the pipe when water tries to back up through it; they permit sewage to pass through in only one direction.

This topic includes information related to gas and vacuum systems that are installed in laboratory and healthcare facilities during construction. Gas and vacuum systems deliver compressed air, gas and processed water to point of use locations within a facility. They also serve to remove or dispose of general wastewater, chemical waste and vapors.

This topic includes information related to swimming pool water treatment equipment that is installed during the construction of a swimming pool. Water treatment equipment filters water to remove pollutants and ensure healthy water for recreational use.

This topic includes information related to drinking fountains that are installed during construction. Drinking fountains provide filtered and cooled drinking water for public consumption.

This topic includes information related to eyewash equipment that is installed during construction. Eyewash equipment is used to wash or rinse the eyes of contaminates and are typically located in work environments that may contain harmful chemicals.

This topic includes information related to flushometers that are installed in conjunction with a water closet or urinal in a commercial structure during construction. Flushometers are devices that automatically flush water closets and urinals. When activated the flushometer valve opens and delivers a specific quantity of water under pressure to flush wastewater into the sewerage system.

This topic includes information related to faucets that are installed in commercial structures during construction. Faucets control the release of water and may be single or double handle with a single spout. Single handle spouts mix hot and cold water as determined by the end user with one bi-directional handle. Double handle spouts also mix hot and cold water as determined by the end user, however have both hot and cold handles.

This topic includes information related to lavatories and sinks that are installed in commercial structures during construction. Sinks are fixtures, that in conjunction with a faucet are used for cleaning. Sinks are commonly referred to as lavatories in bathrooms. They are made from a variety of materials, including stainless steel, enameled steel or cast iron, ceramic, marble, plastic, soapstone, concrete, terazzo, wood, stone, copper, glass and granite.