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Olmsted County Public Works

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Mr. John Helmers, P.E., M.ASCE

Olmsted County Public Works

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RE: Unit of calculation

Posted By John Helmers 04-11-2018 10:46 AM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread
Many presidents have advocated for a standardized system. According to this Andrew Jackson was the president that signed the bill that first required metrification in the US. Presidential Measurements Timeline NIST remove preview Presidential Measurements Timeline ...

RE: 3d printing concrete mix

Posted By John Helmers 03-26-2018 04:30 PM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread
​Since it is a pumped concrete, I would think these might be good resources: http://www.concretepumpers.com/files/attachments/concrete_101.pdf 8 ESSENTIAL QUALITY REQUIREMENTS OF PUMPED CONCRETE http://contekonline.com/pdf/ConcMixOpt.pdf ------------------------------ John Helmers P.E., ...

RE: Unit of calculation

Posted By John Helmers 03-05-2018 09:55 AM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread
​Perhaps this NIST document is more helpful for engineers: https://www.nist.gov/sites/default/files/documents/pml/wmd/metric/SP1038.pdf ------------------------------ John Helmers P.E., M.ASCE Director of Environmental Resources Olmsted County Public Works Stewartville MN ---------------- ...