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Fire Pumps Foundations NFPA 20 (2013 edition) Section 6.4.3 states that centrifugal pumps shall be securely attached to a solid foundation in such a way that proper pump shaft and driver shaft alignment is ensured. Foundation shall be sufficiently substantial to form a permanent and rigid support for the base plate (6.4.4). A substantial foundation is important to form a permanent and rigid support for the base plate. The foundation, preferably made of reinforced concrete, needs to be designed to adequately carry the loading of the pump, driver, and other equipment (A.6.4.4) The pump need to be anchored to the foundation with foundation bolts to form a single structural unit. After the pump has been properly secured to the foundation and proper alignment has been verified, the pump may then be grouted to the foundation. The base plate should be completely filled with grout, and it is desirable to grout the leveling pieces, shims, or wedges in place. Foundation bolt...

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Fire Pump Testing (NFPA25 and NFPA20) NFPA 25 currently requires annual performance testing of fire pumps. In a performance test water is discharged and the net performance of the fire pump is analyzed through a minimum of three flow points. NFPA 25 also requires non-flow testing of fire pumps, were the fire pump is started and run for a time interval under churn conditions. Currently weekly non-flow tests are required for diesel fire pumps and monthly non-flow tests are required for electric fire pumps. The non-flow test frequency remains an item that is debated during every NFPA 25 code cycle. NFPA 25 contains the testing requirements after acceptance. Two different types of fire pump test are required: Performance Tests, and Non-flow tests. In the 2007 edition of NFPA 25 Non-flow fire pump tests were required weekly for both electric motor and diesel engine drive fire pumps. In the 2011 edition of NFPA 25, the required test frequency for electric motor drive fire pumps was redu...

Wet Pipe Fire Sprinkler System Wet pipe sprinkler systems are the simplest and most common fire suppression method on the market today. This fire sprinkler system is cost efficient and low maintenance. They are comprised of pipes that constantly contain pressurized water. When a sprinkler activates this water is immediately discharged onto the fire.  The first automatic, closed-type sprinkler head immediately discharges water, as more individual sprinkler heads are subsequently activated by heat, they too will discharge water onto the fire until it is controlled or extinguished. Wet pipe fire sprinkler systems can be installed in buildings not susceptible to freezing (i.e., where temperatures are above 40 degrees Fahrenheit).   Typically, a Fire Sprinkler Systems are made up from a series of components including; Stop Valve, Alarm Valve, Fire Sprinkler (head), Alarm Test Valve and Motorized Alarm Bell (Gong). In addition to this there are additional components ...