Serving the Atlanta area since 1973 with Sprinkler Inspection and Installation, Pump & Hydrant Testing, Maintenance, Repair, Design, and Retrofit


  • Preaction Valve Testing

    April 12th, 2017

    From NFSA TechNotes April 11, 2017

    Clarification has been requested regarding NFPA 25 test requirements for preaction valves. NFPA 25-2017, Table identifies that a full flow test of preaction/deluge valves shall be performed annually. However, section identifies that …

  • Loss of Fluid in Glass Bulb Sprinklers

    March 22nd, 2017

    From NFSA TechNotes Issue # 369   March 15, 2017

    What would cause the loss of fluid in glass bulb sprinklers?

    Answer: There can be several causes for the loss of fluid in a glass bulb such as damage during shipment, …

  • Replacing Sprinklers After a Fire

    February 16th, 2017

    From NFSA’s Tech Notes #367 February 14, 2017

    Is there a standard for replacing sprinklers after a fire? How many sprinklers would have to be replaced beyond the limits of the fire area?

    Answer: NFPA 25 contains annex language addressing …

  • Internal Condition of Pipe

    January 11th, 2017

    From the NFSA ITM Report:

    A question that often comes up deals with the frequency of internal pipe inspections, now called an “assessment of internal condition of piping”. In the 2014 edition, NFPA 25 says in section that an …

  • Sample Size for Testing Sprinklers

    January 4th, 2017

    An Informal Interpretation from the American Fire Sprinkler Association

    “I have six apartment buildings that were constructed in 2002 that have dry sidewall sprinklers protecting the breezeways. The dry sprinklers require testing since they are over 10 years old. NFPA …

  • Painted Sprinklers

    December 27th, 2016

    An Informal Interpretation from the American Fire Sprinkler Association    2016-12-27-paintedsprinkler

    “We have found a site that while the glass bulb or fusible element has not been painted, there is some paint on the arm or at the threads into the pipe. …

  • 10-Year Sprinkler Test

    November 21st, 2016

    An Informal Interpretation from the American Fire Sprinkler Association.

    10-Year Sprinkler Test

    “NFPA 25 in indicates that dry sprinklers have to be tested or replaced after 10 years of being in service. Is a dry sprinkler considered to be …

  • From “That Printer of Udell’s”

    October 11th, 2015

    There is no mystery about it. It is just the change that comes to the individual who applies Christ’s teaching to his daily life – high purpose, noble activity, virtue, honesty and cleanliness. God has but one law for the …

  • Color Loss in Glass Bulb Sprinklers

    March 25th, 2015

    Cold environments can be challenging for any equipment and mechanical component. However, when there is concern about a sprinkler, life and property safety could be at risk. It has been noticed that glass bulb fire sprinklers could lose the color …

  • Only New Sprinklers Shall Be Installed

    April 3rd, 2013

    Only New Sprinklers Shall Be Installed

    That is a base requirement that has been in the NFPA 13 standard for some time in Section 6.2.1. New material in the 2013 edition says that when a sprinkler has been removed for …