Forensic Engineers and Consultants

Tag Archive: water pressure

  1. In Cahoots – Interconnections of Fire Protection Systems with Ancillary Equipment

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    Fire protection is an expanse that I am both fascinated by and passionate about. To prove it, I could show you my sprinkler collection… the old ones, the new ones, the sizes, the features!  But instead, I will share some information to show you the relationship between fire protection systems and other systems that you may have never thought about!

    Fire protection, suppression, and alarm systems often do not act alone. They can be in cahoots with life safety systems or other equipment or building systems to mitigate fires and help firefighters. Many, but not all, of these functions are associated with fire alarm systems. Many, but not all, of these functions are customary and expected. Some of these functions will automatically reset when the alarm or system is reset, but not all! (more…)

  2. Dig into Underground Fire Water Piping and Appurtenances

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    Many sites that are protected by fire sprinklers will have at least some amount of private underground fire water piping. Its purpose is to make water available for fire protection or suppression at a needed flow and pressure. Its presence is usually quietly evidenced by the connected objects that occasionally surface along its course, like valves, fire department connections and private hydrants, termed appurtenances. Underground water piping commands attention, though, when (more…)

  3. Dive Into Suction Tank Issues and Inspections

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    Privately-owned water tanks supplying fire protection systems have a long history. The NFPA published the Standard on Gravity Tanks in 1909. It is one of the oldest NFPA codes, predating even the Life Safety Code’s precursor, the Building Exits Code, first published in 1927. The Standard on Gravity Tanks evolved over the years to become NFPA 22, Standard for Water Tanks for Private Fire Protection. The inspection, testing, and maintenance requirements for all types of private fire water storage tanks are laid out in NFPA 25, Chapter 9 – Water Storage Tanks. While there are about eight different types of fire water tanks, I’d assert that the most common type today is the steel suction tank. (more…)

  4. A Primer On The Elements Of Fire Protection Water Supplies

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    Get primed!

    Fire protection water supplies can be made up of one or more common elements, including tanks, pumps, water sources and water systems. Sometimes elements are used together to develop an adequate supply for fire protection.

    An adequate water supply for a fire protection system will meet the needs of the fire protection system (plus safety factor) in three terms: (more…)

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