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  1. Rob2004

    Septic Systems

    Check FEMA maps to determine the Finish Floor Elevation. You may have to fill the site with import material. Instead of a deep septic system, you could have a wide/shallow septic system, and have a network of perforated pipes to discharge the effluent from the septic tank for percolation...
  2. Rob2004

    Railway Tracks - Allowable Minimum Transverse Slope

    Never mind. The Tracks are on a Horizontal Curve. Hence Superelevation covers for about 3.5 cms of grade difference. The rest 1.0 cms can be adjusted out in the field. Anyways, please answer this. What is the ABSOLUTE decimal precision that can be implemented out in the FIELD? On the computer...
  3. Rob2004

    Railway Tracks - Allowable Minimum Transverse Slope

    Is there any Allowable Minimum Transverse Slope between the two Railway Tracks. An existing pair of railway tracks are crossing a roadway whose longitudinal slope is 1.07%. Do we have to flatten out the roadway where the tracks meet? Or could we go ahead and have a gentle transverse slope to...
  4. Rob2004

    Placement of Sign

    Around 75m AHEAD, I think per TAC. Assuming constant decelaration.
  5. Rob2004

    Modern Roundabout Truck Aprons

    Yeah, a pdf of the design showing the laning information (schematic) would be great. Seems interesting.
  6. Rob2004

    Project Cost Management

    Hi All, I need help in kind of estimating the cost of working a land development project with about 82 lots on a 26 acre parcel in Central Valley region in CA. What is usual charge per lot to take-up the project. Your insight will be helpful Thank you.
  7. Rob2004

    Cost of Engineering Fill per cu.yd.

    Can anyone give me the average cost of engineering fill per cu.yd for a huge job of filling a basin upto 80,000 cu.yds. Thanks in advance. Rob
  8. Rob2004

    Density of Asphalt Concrete

    I'm calculating tonnage for 2" Asphalt Concrete overlay. What's the density I use for calculations. Is it 110 lb/cu.yd? Thank you.

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