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  1. HEHurst

    Sealing leaking cracks / macropores in soil around a pond outlet structure

    Working with someone who has a small agricultural pond that experiences water leakage around where the vertical walls of the concrete outlet structure meet the earthen / grass side slopes of the pond. When the pond is drained, you can see small crevices / cracks / holes / macropores along and...
  2. HEHurst

    Flint Municipal water

    A good, seemingly nonbiased summary from the 538 site, with a focus on what mistakes (or deliberate wrongdoing) occurred after the switch to Flint River water was made, and elevated lead levels started showing up in water samples and blood tests...
  3. HEHurst

    Flint Municipal water

    I just saw the news, announced within the last hour, that Susan Hedman, head of EPA Region 5 (which oversees Michigan and five other Midwestern states) is resigning effective February 1st.
  4. HEHurst

    Flint Municipal water

    US EPA is saying that their role was to advise Michigan DEQ, and that it was Michigan DEQ's responsibility to determine/enforce any sort of corrective action. Certainly does seem like some within EPA tried to disregard or at least downplay the findings of recommendations of Miguel Del Toral...
  5. HEHurst

    Flint Municipal water

    bimr, I appreciate your input on some of the technical and chemical background. I'm still not convinced there was no engineering failure and only a policy failure, or that the governor bears sole responsibility. Is it your contention that there was likely no safe way to use the Flint River as...
  6. HEHurst

    Flint Municipal water

    It sounds like there were some mistakes or bad decisions made by numerous different organizations, and I imagine it will take a while to find out the real story of the chain of events and decisions that led to this situation (if we ever do find out the true story) I'm not a drinking water...
  7. HEHurst

    Flint Michigan water thread in Forensic Engr - Engineering Failures and Disasters forum

    Was going to start a thread to discuss the Flint Michigan water crisis, but found one has already been started in the forum section: Engineering Forums by Industry --> Forensic Engineering --> Engineering Failures and Disasters http://www.eng-tips.com/viewthread.cfm?qid=402006 Thought that...
  8. HEHurst

    Grading Design - Good reference materials for new EIT?

    Practice, practice, practice - but of course you need to start somewhere... Some books I've found helpful are Site Engineering for Landscape Architects by Strom and Nathan, Land Development Handbook by Sidney Dewberry of Dewberry & Davis (very comprehensive reference to land/site...
  9. HEHurst

    HGL for Major Storm when there is an allowable depth above gutter

    My take is that the hydraulic design criteria is "whatever gets into the storm sewer from the inlets during the 100-year design event must result in a calculated HGL 1' or more below gutter elevation." Inlet inflows would be calculated based on surface depth of flow during 100-year event (max...
  10. HEHurst

    Civil 3D all the time, or still use regular AutoCAD sometimes?

    I have licenses of both Autodesk Civil 3D and regular AutoCAD (both 2009). I'm pretty experienced in AutoCAD, and getting up to speed in Civil 3D. For those of you that use Civil 3D, do you still also use regular AutoCAD sometimes? I've now figured out how to get my Civil3D workspace/appearance...
  11. HEHurst

    sol file for hydrologic/hydraulic model

    Yes, unfortunately it is gibberish. Not ASCII text, must be binary or something else unreadable to a text editor.
  12. HEHurst

    sol file for hydrologic/hydraulic model

    Does anyone know what type of software an "sol" file extension is associated with? I believe it is related to either StormNET, AutoCAD Civil 3D Storm / Sanitary Analysis (successor to StormNET) or one of the Hydraflow extensions to Civil 3D. It's some kind of input, output or database file for...
  13. HEHurst

    Prism compatibility for total stations

    I recently acquired an older total station (Wild Heerbrugg / Leica TC 1000) that I would like to use to do some occasional topo surveying and construction staking. I don't have a prism or prism pole. So my question is, are only certain models/kinds of prisms compatible with my instrument in...
  14. HEHurst

    How do engr consultants add value and differentiate from others?

    Consulting engineers talk about how, as professional service providers, we should be selected and evaluated on our unique qualifications and the value we bring to clients, as opposed to being viewed as a commodity and chosen on price. However, I think consultants/consulting firms need to get...
  15. HEHurst

    Infrastructure crisis? Possible outcomes/solutions?

    The New York Times has a couple of recent opinion columns by Bob Herbert on U.S. infrastructure deficiences and lack of funding. (My thoughts are U.S. focused but feel free to chime in with observations from other countries) http://www.nytimes.com/2010/02/20/opinion/20herbert.html...
  16. HEHurst

    Depression affecting job performance -what if anything to tell boss?

    Thank you very much for your advice and thoughts everyone. I appreciated every single response. I am getting medical care and counseling, so I have a lengthy file of background information should anyone in my company need that. I think I am going to go to my boss rather than HR. I...
  17. HEHurst

    Depression affecting job performance -what if anything to tell boss?

    I've struggled with pretty severe depression for a decade now. Prior to about a year ago, I was able to keep it from affecting my job performance much. But for several reasons, in the last six to twelve months, it has gotten worse and really been affecting my job performance. I've dug myself...
  18. HEHurst

    Unemployed Over One Year - What Can I Do To Help Me Get Employed

    MechEng281, Since you're in Milwaukee, have you been looking much at Chicago-area jobs? You said that you're finding that many companies are looking for "local-only" candidates, but I'd stretch your definition of local to include Chicago if it helps you. And it's a huge market (not sure what...
  19. HEHurst

    How do YOU design storm sewer?

    Thank you cvg, I will check out that LA County software. I also believe there is some sort of steady-state sewer analysis software included in the Federal Highway Admin's HYDRAIN package of programs, but from what I understand it is still DOS-based, not that intuitive or friendly to use, and...
  20. HEHurst

    How do YOU design storm sewer?

    The question possibly could be broken down into a couple other questions: 1. What hydrology method is used to compute design flows (Rational, SCS, SWMM Runoff, etc.)? 2. What hydraulic method is used to calculate depths/water elevations? (uniform flow computation for each pipe segment...

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