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  2. How better water systems can help a city survive the next ...

    www.aol.com/news/better-water-systems-help-city...

    As buildings burn, so do their pipes, which spill water until a utility worker can safely get in to shut off the supply valve. The delay can be hours or days, all while precious water for ...

  3. Backflow prevention device - Wikipedia

    en.wikipedia.org/wiki/Backflow_prevention_device

    Another common location for a backflow preventer is the connection of a fire sprinkler system to a water main, to prevent pressurized water from flowing from the fire suppression system into the public water supply. Back-siphonage occurs when higher pressure fluids, gases, or suspended solids move to an area of lower pressure fluids.

  4. Standpipe (firefighting) - Wikipedia

    en.wikipedia.org/wiki/Standpipe_(firefighting)

    External access point for fire sprinkler and dry standpipe at a building in San Francisco, US Antique wet standpipe preserved at Edison and Ford Winter Estates. A standpipe or riser is a type of rigid water piping which is built into multi-story buildings in a vertical position, or into bridges in a horizontal position, to which fire hoses can be connected, allowing manual application of water ...

  5. Water timer - Wikipedia

    en.wikipedia.org/wiki/Water_timer

    It is used in conjunction with irrigation sprinklers to form an automated or non-automated sprinkler system, capable of administering precise amounts of water, at a regular basis. A water flow timer using a ball valve contains an electric motor with gears to stop or start the water flow by turning a perforated ball within the water flow line.

  6. Fire sprinkler system - Wikipedia

    en.wikipedia.org/wiki/Fire_sprinkler_system

    A fire sprinkler system is an active fire protection method, consisting of a water supply system providing adequate pressure and flowrate to a water distribution piping system, to which fire sprinklers are connected. Although initially used only in factories and large commercial buildings, systems for homes and small buildings are now available ...

  7. Fire sprinkler - Wikipedia

    en.wikipedia.org/wiki/Fire_sprinkler

    A fire sprinkler mounted on a ceiling. A fire sprinkler or sprinkler head is the component of a fire sprinkler system that discharges water when the effects of a fire have been detected, such as when a predetermined temperature has been exceeded. Fire sprinklers are extensively used worldwide, with over 40 million sprinkler heads fitted each year.

  8. External water spray system - Wikipedia

    en.wikipedia.org/wiki/External_water_spray_system

    An external water spray system (EWSS) is a domestic external fire sprinkler system designed to protect homes from bushfires and wildfires. While external spray systems have long been used in fire protection for buildings and facilities [ citation needed ] , EWSS refers to domestic bushfire/wildfire systems.

  9. Nashville residents asked to reduce sprinkler usage as water ...

    www.aol.com/nashville-residents-asked-reduce...

    Residents are asked to water no more than three days per week and to water between the hours of 7 p.m. and 4 a.m. because the system has experienced overwhelming demand during early morning hours.