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  1. ISIengineer

    Buried plastic tanks for fire suppression water storage

    Sorry for not clarifying, but by plastic, I am referring to thermoplastics such as polypropylene or polyethylene - no glass content.
  2. ISIengineer

    Buried plastic tanks for fire suppression water storage

    I have read NFPA 22, which does not list plastic as an allowable material for fire suppression water storage in Section 4.4. However, equivalent designs are permissible in Section 1.4. 1.4 Equivalency. Nothing in this standard is intended to prevent the use of systems, methods, or devices of...

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