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Recent content by ddsgeotech

  1. ddsgeotech

    Need to filter and collect water from a muddy stream - 50 gpm

    We need to pull 50 gpm out of a stream for seal water for a pump on a short duration (3 year) project. There is no other realistic water source near our pump. The problem is sometimes the water in the stream is fairly dirty with suspended solids due to some disturbance upstream. My plan is to...
  2. ddsgeotech

    soccer field grading

    I did purchase "Sports Fields: A manual for design, construction, and maintenance" by Puhalla, et al. It says soccer fields are normally graded at 1% to 1.75% either crowned or graded all the way across. Since the client on my project is very concerned about drainage, I am thinking...
  3. ddsgeotech

    soccer field grading

    I checked a reference that an associate had entitled: "Graphic Standards for Landscape Architecture". It shows SIZES of soccer fields but gives no guidance on grading that I saw. The AIA Graphical Standards for Design costs over $200 and has to be ordered in my area. Do you know...
  4. ddsgeotech

    soccer field grading

    Can anyone recommend reference or guidance documents or just "rules of thumb" for soccer field grading? Thanks
  5. ddsgeotech

    wave effects on slope stability

    we need to evaluate the effects of waves crashing on a landfill's slope stability. We are planning to calculate the effects of rapid increase and drawdown of groundwater levels. Does anybody have any suggestions or references on how to calculate actual forces from the waves? Thanks
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