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Recent content by TGLG

  1. TGLG

    Protecting curbs from snow plows

    Of course we don't like spending money unnecessarily. Site constraints limit what is possible to do by grading, and a curb is required by the municipality, so there's no getting around that. The point of the current discussion is how to save money on maintenance by building a curb that will...
  2. TGLG

    Protecting curbs from snow plows

    Thanks for the input, everyone. The site is on Long Island, NY, which supposedly gets 31 inches of snow annually, but it seems lately that we're getting quite a bit more than that, and individual storms have been than usual. The first storm of the year dropped over a foot of snow on us. We...
  3. TGLG

    Protecting curbs from snow plows

    I am working on plans for a trucking facility. Given the large paved area, snow removal and storage will be a concern. We have some unpaved areas available to store snow, but the concern is getting it there without destroying the curbs. We are anticipating the plows pushing snow across the...
  4. TGLG

    Split water line after backflow preventer and meter.

    Typically, municipal standards are concerned with preventing the public main from being contaminated by your water service. The standards that I am familiar with prohibit any branches in the service upstream of the backflow prevention device. Downstream, though, the standards get a bit vague...
  5. TGLG

    Sfe crossfall for delivery vehicles

    If I am reading you right, swazimatt, you are saying that the 7% to 7.5% slope runs perpendicular to the axis of the truck. If that is the case, given the width of a truck (about 8.5'), when the truck is sitting at the dock the back left corner will be about 7.5" higher (or lower) than the...
  6. TGLG

    Maximum Parking Lot Grades...

    If I am reading you right, swazimatt, you are saying that the 7% to 7.5% slope runs perpendicular to the axis of the truck. If that is the case, given the width of a truck (about 8.5'), when the truck is sitting at the dock the back left corner will be about 7.5" higher (or lower) than the...
  7. TGLG

    Grading help.

    I've given seminars about grading and have taught grading to a lot of new engineers at my company, and to draftsmen, too. Not everybody gets it at first, and some may never really get it at all, because grading is as much an art as a science, but the good news is that it gets easier with...
  8. TGLG

    backflow prevention inside building

    Have you looked into floating ball check valves?
  9. TGLG

    Parking Lot Planter Strip Sizing

    Keep in mind that in addition to providing a good place for plantings and STOP signs, end islands provide additional visibility for drivers whose line-of-sight would otherwise be blocked by a parked vehicle. Park a big Chevy Suburban in the last stall, and the guy in the Ford Focus can't see...
  10. TGLG

    Protecting Vehicles from falling off wall.

    I've seen situations in which a curb was installed in front of a guiderail and the vertical motion imparted by striking (and jumping) the curb was sufficient to cause a car to vault up over the guiderail, so it is important to look at the distance between them. The Pennsylvania DOT suggests...
  11. TGLG

    Problem Asphalt

    I am going to answer your question with several other questions. Ten percent of 2.5" is 1/4". How much of an overlay is the contractor offering? Will the overlay be thick enough to hold together? How will the contractor deal with transitions at the edge of the overlay? What will the overlay...
  12. TGLG

    Car Carrier Truck

    Has anyone got a set of dimensions/specs for a car carrier truck to be used in AutoTurn that they would be willing to share?
  13. TGLG

    Building a Pumpable Septic Tank in Shallow Groundwater

    There are a few things I see in your initial post that are a bit worrisome. You say "it's supposed to be constructed of reinforced concrete." Does this mean it will definitely be reinforced concrete, or is it possible that other materials might be used? Are there detailed structural drawings...
  14. TGLG

    Pipe on pylons over creek

    This may be a silly question, and it's not related to the original question, but I have to ask: If the pipe is elevated, what keeps the water in the pipe from freezing in winter?
  15. TGLG

    odd plan scale

    The faxes I see usually come from real estate brokers and property management companies. Apparently they haven't caught on to the new millennium yet.
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