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  • Users: daviv
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  1. daviv

    Parking Lot

    We are constructing a pervious pavement for a parking lot which is very closed to water. Our contractor has graded and started compacting the soil to try to get 95% compaction. However, it turned out that the groundwater is very close to the grade and the contractor can only get 77% compaction...
  2. daviv

    Rust and Lead Encapsulation

    The manufacturer is Global Encasement. We are considering several options. 1 option is to have the contractor remove the coating they applied which would also include the existing lead. This would most likely lead us to make a claim on the surety. 2 option is a suggestion made by Global...
  3. daviv

    Rust and Lead Encapsulation

    I do not know what a chemical conversion process is but the rust primer is a water-based acrylic. Only loose paint were removed. The top coat is also acrylic. By the water, are we allow to mentioned the manufacturer in the post?
  4. daviv

    Rust and Lead Encapsulation

    We have a project where the contractor is required to remove loose paint which structures which contain lead paint that have rusted over the years. Afterwards, they are required to apply 1) Rust Primer (to control the rust), 2) Another Primer coat (to encapsulate the lead paint), and 3) Final...
  5. daviv

    Retaining Wall

    Ron, This is a design from the consultant so I will have ask about the toe and warning fabric. So do you also agree that if it is undisturbed, no compaction is necessary?
  6. daviv

    Retaining Wall

    The project calls for a retaining wall to be build around a building (See detail). The contractor will remove the concrete pavement and excavate to the sub-grade. The question is "can the retaining wall be poured on the undisturbed sub grade or it needs to be proof compacted. If it does, what...
  7. daviv

    SSPC-SP2

    The scope of SSPC - SP2 is "to remove loose detrimental foreign matter from steel substrates". We have galvanized steel so the contractor is required to remove all loose mill scale, loose rust, paint... The contractor is not required to treat the entire surface?
  8. daviv

    High Performance Coating

    Would hand tool cleaning be sufficient?
  9. daviv

    High Performance Coating

    My project requires the contractor to apply a high performance coating to a canopy located at a cruise terminal. The specification states the steel which is hot-dipped galvanized shall be prepared in accordance to SSPC-SP2 (Hand Tool Cleaning)before the application of the primer. On the other...
  10. daviv

    90 Degree Ductile Iron Elbow

    The contractor submitted Tyler Union cut sheets for the ductile iron elbow for our fire standpipe project. However, the label on the part shows "UFCO" which according to the Contractor is a part produced by a union foundry owned jointly by Tyler Union. The specification requires the part to be...
  11. daviv

    UL Listed Fire Standpipes

    Our specifications required the pipes for the new standpipe system to be UL listed. When the pipes were delivered, some pipes with a certain heat number had UL labels while pipes with different heat numbers did not. The contractor explains that UL label is not required for it to be UL listed...
  12. daviv

    NFPA 14 Standpipe Installation

    Recently, a contractor completed a new standpipe installation on a project and has some pipes left over. The contractor also has another project in which they received approval for a different manufactured pipes. When they moved the leftover pipes from the previous project to the staging area...
  13. daviv

    Recorded Macro used to work great, but now??

    Try Application.ScreenUpdating = False x = activecell.address . . Application.ScreenUpdating = True range(x).select This gets you back to the activecell. It still gets flickering but less than before and about the same when running the max moment with wheel load. I don't why there are still...
  14. daviv

    Recorded Macro used to work great, but now??

    x = activecell.address ... ... range(x).select This will work.
  15. daviv

    Recorded Macro used to work great, but now??

    Add another line in the end of Maximum_Moment()Procedure to select the cell you want. I am assuming you do not want to be taken all the way down to row 80 after you run the macro. Range ("a1").select will keep you at the top.
  16. daviv

    Recorded Macro used to work great, but now??

    I believe you get this error message "Compile Error: Can't Find Project or Library when you try to find the maximum moment. If so, the solution is enable the Solver add-in in the Excel Options dialog box. 1) Tools>>Options>> Select Solver Add-in. Afterwards, you will see the Solver Coomand...
  17. daviv

    Table look up formula

    Here is the file.http://files.engineering.com/getfile.aspx?folder=bfb38bd5-85cf-4c63-b21d-a2046ee6e918&file=Test_Excel_Table_Lookup(1).xlsx
  18. daviv

    Table look up formula

    Like MEM1 said, you need to use index and match. And add some conditions. See attachment. Hope this is what you need.
  19. daviv

    Compaction

    Thanks for the input. To clarify, the backfill serves as a subbase for a 4 in concrete walkway. The contractor is backfilling at 8" lifts. Logically, would it not be safe to assume to achieve 95% on top foot compacted at 8" lift, you would have 95% at the lower layers? So the frequency is a...
  20. daviv

    Compaction

    We are backfilling 6 ft at 95% compaction. I have checked with my coworker who said there is no ASTM testing requirement but the common practice is to test the top 8" -12" layer via nuclear gauge. Is he correct or testing frequency is required?

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