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  1. tr4driver

    Rules for sealing plans and reports

    I have a couple of questions regarding this. I understand that as a PE, I may only seal and sign documents that have been prepared under my direct supervision. Here are a couple of scenarios that I have questions about: 1. A local community requires an engineers stamp and signature on final...
  2. tr4driver

    Rigid Polyurethane Foam Load Carrying Capacity

    I appreciate all of the information thus far. Here's some additional information: As I stated earlier, the tanks will hold a petroleum product. They will be located within a secondary containment system that is lined. The polyurethane pads will be placed on the top of the liner (which will...
  3. tr4driver

    Rigid Polyurethane Foam Load Carrying Capacity

    Personally, I don't think that the bearing capacity of the material will be an issue. My question is how to demonstrate that through calculations. If the material has a compressive strength of say 25 psi (or 100 psi), how does one go about calculating the overall bearing capacity of a...
  4. tr4driver

    Rigid Polyurethane Foam Load Carrying Capacity

    The foam will be bearing on soil. Again, I've pretty much washed my hands of this, but I'm still curious about the process one would go through in analyzing this situation. Thanks.
  5. tr4driver

    Rigid Polyurethane Foam Load Carrying Capacity

    Greetings, A local manufacturer is working on a rigid foam tank pad that would go under petroleum storage tanks. They have a data sheet on the material that indicates a compressive strength of 25 psi and actual test data that indicates a flexural strength of 60 psi and a modulus of elasticity...
  6. tr4driver

    Potential conflict of interest?

    IRstuff: Anything submitted to the city for review becomes public record and is therefore viewable by anyone through an FOI request, so that's not really an issue.
  7. tr4driver

    Potential conflict of interest?

    Thanks for the feedback everyone. I am absolutely not reviewing any private development plans that I have prepared, and I will not be actually making any final approval decisions for others' work. I'm simply being asked to check calculations and go through checklists to confirm that all...
  8. tr4driver

    Potential conflict of interest?

    Greetings. I am a P.E. and own a small civil consulting business. One of my clients is the city I where I'm located, and I provide engineering design services for various infrastructure project on a hourly rate basis as needed for the city. Recently, I have been asked by the city engineer...
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