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  1. NPSEngineer

    Deep Interceptor Sewer Project - Construction, Inspection, etc.

    I did a lift station, which was over 20 feet deep, in Washington State ,and they wouldn't let us use a trench box. The shoring had to be designed by a structural engineer and stamped.
  2. NPSEngineer

    sugar and BOD 5

    Sugar combines with oxygen to form carbon dioxide and water through aerobic respiration to generate energy and biomass. A summary of the chemical reaction is C6H12O6 + 6O2 Arrow 6CO2 + 6H2O. The molecular weight of sugar is 180 g/mol and Oxygen (O2) is 32 g/mol. The ratio of sugar to oxygen...

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