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  1. gravel

    purple/pink tinted domestic water...why?

    I notice in an old school building repurposed for office use, the bathroom fixtures having water within them of light purple-ish color...more noticeable if standing over weekend. Water source is public water. Maybe the color is a result of lead piping leaching?? Or high residual chlorination...
  2. gravel

    simple water meter recorder

    For an existing mobile home park that uses a groundwater well and simple treatment and a metered discharge line, it is desired to have it adapted to a digital readout and recorder. Currently, the mechanical meter is read on a weekly basis. it is desired to have a recorded reading, and ability...
  3. gravel

    drawdown time

    Where do you read off of, or obtain in program output, the total pond fill up-to-drainout dry time?
  4. gravel

    residential subdivision elec power design

    We are involved as civil engineers on site development. Usually the local electrical company does the electric service design af final plan stage. For preparing preliminary cost estimates for various site layout options, we would like some guidelines as to several issue... like...

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