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  • Users: UofAGrad
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  1. UofAGrad

    Dry Fog for Dust Control

    Does anyone have experience with using a Dry Fogging system for controlling dust at conveyor transfer points? It appears to be gaining a presence in heavy industrial environments but I've only heard feedback from vendors not the end users (waiting on references). Our application will be inside a...
  2. UofAGrad

    Mulch Fire

    Hi All, I'm not finding the reading material I'm looking for online so I was hoping someone here could shed some light on a situation. During a grubbing project completed January 2023, mulch piles were kept below the maximum height (~50') and the advised Length and Width(I forget these...
  3. UofAGrad

    Foundation near a Leach Line

    Hi Guys, I had a customer request that I design an independently supported deck for their front yard, the issue is that there is a leach field that parallels the house 10’ away. This is where the outside of the footings will be. The county has setback requirements saying “all buildings or...
  4. UofAGrad

    Masonry Wall Problem

    Hi All, I was called by a potential client about a project. There is an old building that is being remodeled, the roof structure replaced of which the trusses will be supported by a ~10' tall HCMU Wall, keep in mind the building has been in this condition for some time now. The client...
  5. UofAGrad

    Roof Mounted HVAC Unit

    Hi Guys, I've got a project I am working on that includes installing a new roof mounted HVAC Unit. I spoke to the HVAC manufacturer regarding the support stand and he said they will typically have the contractor fabricate a frame out of L1-1/2X1-1/2X1/4. After talking to the client again he...
  6. UofAGrad

    Leak Detection in Dual Walled Pipe

    Hey Guys, I have a project we are working on that involves pumping Sulfuric Acid ~1,800 ft to a new tank. This will be a permanent install, the line will be 316L SS with sleeved inside a larger HDPE Pipe. We are in a preliminary engineering phase right now, we expect the SS pipe to be ~8"...
  7. UofAGrad

    Current Steel Prices?

    Hi Guys, I'm working on an estimate and have outdated numbers for materials, what are the current material cost ($/lb) for structural shapes A992 Grade 50 and 316L? I work in Arizona, the last numbers I have for Grade 50 CS is ~$0.80/lb for Carbon Steel about a year ago and $2.68/lb for 304 SS...
  8. UofAGrad

    Joseph E Bowles Foundation Analysis and Design 5th Edition

    Hi All, I recently purchased the Foundation Analysis and Design 5th Edition and found that it is in SI units. I would like to get the book in imperial but reading online reviews it indicates this edition is only written in SI, is that true? There is a red watermark on mine that says "Indian...
  9. UofAGrad

    Residential Contractor Foundation Install

    Hey guys, a little background on the situation that was brought to my attention today. Last fall I was approached by a homeowner who bought a property with a home on stilts (12 L4X4X1/4 on 12"X12"X12" footings). The supporting footings if you want to call it that were way undersized, access...
  10. UofAGrad

    Acceptable practice for design of trusses

    Hello Eng-tips, I was approached by a local Gym owner that would like to expand their operation. They own an ~100 years old adjacent building, the ceiling is too close to the floor for the equipment they would like to place in the gym and the walls are made of brick (opposed to brick veneer)...
  11. UofAGrad

    Online BS in Civil Engineering

    Hey Guys, I'm a Senior Engineer at a large company over a small technical department, My degree is in Civil Engineering and am a registered civil PE. One of my employees is currently a Surveyor with ~11 years Survey Experience and is very "Civil" minded. I have been working with him for 1.5...
  12. UofAGrad

    Small Project Sequence

    Hey Guys, Long time reader first time poster, I love this site. I'm a structural engineer working for a large company, I've done a handful of jobs on the side and plan to start my own small engineering firm to do some moonlighting this year. The work I have done is small structures that...

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