Technical Articles

  • TECHNICAL CHALLENGES

    Can You Meet the Challenge? AFSA’s Engineering & Technical Services Department staff present technical challenges here for you and your co-workers…

  • Higher Standards

    As the May/June 2023 issue of Sprinkler Age will be available at the NFPA Annual Conference and Expo® in Las Vegas, this column will serve a special p…

  • Flashpoint

    I want to take this opportunity to announce that Victoria Valentine has been selected to receive the grade of Fellow in the Society of Fire Protection…

  • Higher Standards

    With the NFPA Conference and Expo behind us, AFSA is now focused on a very active F2022, A2023, F2023, and A2024 revision cycle[1]. For the F2022 and …

  • TECHNICAL CHALLENGE ANSWERS

    CAN YOU MEET THE CHALLENGE? Each issue, AFSA’s Engineering & Technical Services Department staff present technical challenges. Besides testing you…

Got Obstructions?

How to Get Them Before They Get You! I had a great dream the other night. We had just completed a flawless installation. We had coordinated every detail with the design team up front. The MEP foremen had worked with us every step of the way. The architectural and structural …

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Obstruction Rules for CMSA Sprinklers

Some Parts are Missing The 2010 edition of NFPA 13, Standard for the Installation of Sprinkler Systems, introduced a new definition “Control Mode Specific Application (CMSA) Sprinklers.” This was a composite of the earlier definitions that included Large Drop Sprinklers, Special Sprinklers, and Specific Application Control Mode Sprinklers. The Section …

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