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NFPA 22 (2018) - Manholes in the fire tank screwed steel, 1 or 2?

Question asked by paulina on Sep 28, 2018
Latest reply on Jun 13, 2019 by tom.denooij

Hello, the NFPA 22 standard in point indicates the necessity of installing two manholes. But in all drawings there is one hatch> eg in Fig. B.1 (n). Please, let me know if some record that allows the installation of one hatch ?? Was this possible in the earlier issue of the standard?

If you have such knowledge, should the test tube in the tank be in a different quarter than the suction pipe?

Thank you for your answer!