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  1. arellanoma

    Culvert Analysis/Modeling

    Thank you TerrySan & gbam for your help.
  2. arellanoma

    Culvert Analysis/Modeling

    Thanks for the info Froude.
  3. arellanoma

    Culvert Analysis/Modeling

    Sam74, Thanks for the info. The two culverts are for a stream crossing. A developer was conditioned to increase the capacity of the culvert and they installed the 36" pipe instead of replacing the 48" culvert pipe. We have hydraflow hydrograph, stormsewers, and express. Express has a...
  4. arellanoma

    Culvert Analysis/Modeling

    Unfortunately, we only have the hydraflow express program than accompanies Civil 3d (09). Our IT department is outsourced and only this program is "authorized" to be used. I'm planning on downloading HY-8 from the FHWA website and see if I can use it at home. Do you recommend a different...
  5. arellanoma

    Culvert Analysis/Modeling

    Can anyone share their thoughts on how to approach modeling a culvert that contains two culvert pipes? I've been asked to analyze the capacity of an existing culvert that contains a 48" RCP and a 36" RCP. The 36" pipe is offset to the right and up in comparison to the 48" pipe. Any advice is...
  6. arellanoma

    Concrete on Top of Concrete?

    Thank you all for the advice / info. I'll definitely include the method request in our specs.
  7. arellanoma

    Concrete on Top of Concrete?

    Yes, that was a possible reason for the "mini-dam", but it was ruled out because the outlet of the RCB flows into a golf course. During a storm, the majority of the golf course is flooded.
  8. arellanoma

    Concrete on Top of Concrete?

    Hello, I'm working on a drainage project at work which involves a temporary fix on an existing box culvert. For some reason, the expansion portion of a box culvert was built approx 20" higher than the flowline elevation. As a result, water ponds due to a "mini-dam". A temporary solution will...
  9. arellanoma

    HYDROLOGY/HYDRAULICS ROOKIE

    Thank you. I appreciate the information and help.
  10. arellanoma

    HYDROLOGY/HYDRAULICS ROOKIE

    Hello, I was wondering if people could share their advice on how to approach drainage studies for urban type projects. I live in Southern California and I'm currently working on urban developments (commercial, parks, shopping centers, etc). I have read our local agency's drainage manual...
  11. arellanoma

    Commercial Site Design

    Thank you all for the advice.
  12. arellanoma

    Commercial Site Design

    Hello, I accepted a new job with a firm who specializes in commercial real estate design. Can anyone share their design process? For example, most of the projects are infill sites with existing edge conditions. I would like to hear how other engineers begin their design process (especially...

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