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  1. Couplandboy

    ASTM C-76 vs C-478

    In a nutshell.......what's the difference? I initially thought the C-76 was thicker but found that was not the case. It is my understanding that C-76 is more robust due to more rebar but having a hard time verifying. I may need to break down and buy the ASTM standards but wouldn't have much...
  2. Couplandboy

    Automatic Bathroom fixtures (sensors)

    I have a relatively remote and unmanned facility with a restroom that includes a sink and toilet. I think having these fixtures equipped with optical sensors was a result of our trying to incorporate LEED principles. My concern is that our facility will be served with a small septic system...

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