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  • Users: bbonner
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  1. bbonner

    NFPA 820 and wetwells

    I saw something posted on this from '04, but no replies... In Table 4.2 of NFPA 820, wastewater pump station wetwells, it lists combustible gas detection for fire protection measures. Does anyone know if this requirement refers to a permanent installation of equipment inside the wetwell? I am...
  2. bbonner

    Force Main Comminutor Application

    Does anyone know of an application with respect to a comminutor inline AFTER a submersible pump station? I am currently involved with a small WWTP project (already designed) that includes a comminutor in a valve vault, after a submersible pump. After talking to the sales rep, he tells me he has...

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