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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

    Firm Registration Requirement

    This is a requirement by some states...read the state regulations you are working in. I'm aware of it in effect for all the states bordering PA, where I practice. Typically, a solo surveyor or engineer, registered in a different state can do solo work in that state...but if a firm does work...
  5. gravel

    Modeling Buried Storage Pipes

    I usually do an exterior, excel spreadsheet calc, of elev-vs-volume, incorporating any stone bedding void credit, various diameter pipe volumes and whatever ... then enter the accumulated volumes as volume data-vs-depth, into my routing program. If you have sloped pipes, you will need to modify...
  6. gravel

    Returning to college for MS or BS?

    I have a ABET-TAC BS in civil engineering technology. It & job experience was sufficient for PE license in my state of PA. The job experience was same as for those holding BS CE degree. I am able to obtain PE in some other states, but not all. I had planned to get a MSc in water resources, to...
  7. gravel

    sedimentation pond issues

    I would suspect, with clay embankment soils retaining pore water longer than pond draindown, you will need at least 2:1 or flatter slopes to prevent slumping & slides. If the face was free draining to keep up with drawdown, then you could maybe go to 1:1 without stability issues.
  8. gravel

    residential subdivision elec power design

    Fredpar... this is the guidance I was looking for... something to get some kind of logical baseline power cost, and knowing it will go up from that number... thanks
  9. gravel

    residential subdivision elec power design

    Ok... its more involved than I imagined or really needed at a preliminary stage... here in western PA, we can lay out a generic storm sewer system, like placing inlets at every 300' and assuming a 15" storm pipe, quantify those items & multiply by a installed LF unit cost, to arrive at some base...
  10. 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...
  11. gravel

    Pumped Effluent Hight / Distance Limits

    If you are pumping clear effluent into a D box, the 2" line is more than sufficient for the 75' distance... the pump can be rather smallish even, as you don't want it squirting hard into the D box... all you are doing is lifting the flow to a higher elevation (5'+ donsing tank depth= 9'...
  12. gravel

    Fields Hydraulic Wheel

    I've had mine since 1985 ... on the back of it says Agnes Field Burke, 503 Canterbury Lane, Alexandria, VA 22314 703-370-3006 I think it was maybe $15 cost??
  13. gravel

    Backfilling new foundation in frozen conditions

    I think what Paul1177 is getting at, is potential frost heave of the exposed installed foundations. Since the footer is not covered up, the frost depth is really from that exposed footer base downward; and yes, it will freeze & heave within that region. I suggest getting some fabric & temporary...
  14. gravel

    land surveys

    Well, the Judge is kind of right on that statement. For the difficult land boundaries, especially metes & bounds, unless solid field evidence conforms to the description, the solution becomes more of a judgement issue and not an exact science. The only "exact science" of the matter, is obtaining...
  15. gravel

    Floating Parcel Help Needed in PA

    HB2U...I think I understand what you are discussing... I'm a PLS in PA, and can say that you will not likely find any prior survey mappings, as prior tract cutout work was mostly done by deed descriptions alone. From the older descriptions you have of your property and his, you should be able to...
  16. gravel

    Unqualified personnel reviewing engineers' plans

    PaulDWilson.... I feel your pains... I'm in western PA and have the same thoughts. I always feel the township supervisors and such should back up their "review" comments with the appropriate ordinance reference. If they can't, I ask for their justification on the comment/s. They always try to...
  17. gravel

    Land Desktop Survey 2004 users guide

    I used the following book several years ago to learn SoftDesk (now called LDD). You might get good ideas & concepts from it. It had a pretty good chapter to help understand data collector coding. Softdesk Civil : Using the Power of Softdesk (Paperback, 1997) Author: Phillip Zimmerman
  18. gravel

    SIDE ROAD INTERSECTION AND SUPERELEVATION

    Looks like you have to apply some judgement with the blend-in. The super is for banking effects of a moving car. Approaching your stop sign, you have a situation where you don't need super, due to lower speed. Just because it is a curve, doesn't meean you have to super it,nor follow regulations...
  19. gravel

    Proper Wingwall Design on Culverts

    Haven't really ever seen a sloped apron before. All the pre-cast ones assume a flat exit, even if the incoming pipe is sloped. The actual apron isn't really that long to make much difference anyhow. all that really matters is there is a short cutoff wall, so it doesn't get undermined.

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