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  1. kaconnol

    HVAC Lifecycle Cost SIR Calculation

    Because some of the system components have to be replaced more frequently in the 30 year study period. Kevin Connolly, PE
  2. kaconnol

    HVAC Lifecycle Cost SIR Calculation

    I posted in here because I wasn't sure if anyone would see it in the engineering economics forum. I'm having trouble with the Savings to Investment Ratio (SIR) for a government project. From NIST Handbook 135, Sec. 6.2.2 Link SIR (Alt1 to Baseline) = Delta Energy / (Delta Investment + Delta...
  3. kaconnol

    Propylene Glycol Correction Factor Question

    My "required pump head" is based on feet of 40% PG at the density for the flowing temperature. I did a control and calculated the required flow rate and pump head for pure water at the same temperature and it was less than the 40% PG and the values looked reasonable. Based on the first linked...
  4. kaconnol

    Propylene Glycol Correction Factor Question

    I’m sizing a pump for a heat pump cooling water loop and have a question about propylene glycol correction factors. I determined the required flow rate for the heat load based on properties of 40% PG (Spht and SG). I determined the required pump head based properties of 40% PG (Friction...
  5. kaconnol

    Finding your own Career Path

    For me it was an accidental event. When my roommate and I graduated college we both got jobs at the same company; he went to fossil and I went to commercial nuclear. It was just the luck of the draw and I've enjoyed it. I've been in the commercial nuclear industry for 8 years now and at this...
  6. kaconnol

    Training and other stuffs...

    I agree with what IRstuff said. Training doesn't earn value for the company in the short term. This creates a vicious cycle of semi-experienced engineers leaving because they don't get enough training and then the company gets a new crop of young engineers that they won't train...
  7. kaconnol

    What Career I Should Choose

    During a few summer breaks in college I interned at a smallish metal manufacturing shop (Link). Everyone in the engineering department had a degree and it was interesting work. Like IRstuff said it depends on what you're interested in. Kevin Connolly, PE www.TheEngineeringSurvivalGuide.com
  8. kaconnol

    Avoid Job Hopping

    One thing they don't tell you in school is how little technical work you will do on a daily basis (obviously depends on your field). I'm on the extreme end having experience in commercial nuclear and DOE work, but I'd say 90% of my work in non-technical. There are lots of forms to fill out...
  9. kaconnol

    Coursework and Career Advice

    In reference to your first paragraph about not wanting to be in front of a computer screen, I feel ya on that. In my experience the larger contracting firms love engineers that are willing to travel and go to the job site. I think the oil and gas or power field would be a great place to go...
  10. kaconnol

    Training Young Engineers

    When I was a supervisor I developed an incoming checklist for new hires. It was more helpful for younger folks, but it would also benefit the senior guys. The list included things like: Technical -Company Design Guides/Technical Standards -Applicable codes -A good example project so they can...
  11. kaconnol

    Must have technical references for new engineers

    Thanks everyone for all the recommendations. I obviously couldn't fit everything in the post, but I think I got some of the key ones. A link to my post is below if you care to take a look. Must Have References for Young Engineers Kevin Connolly, PE www.TheEngineeringSurvivalGuide.com]
  12. kaconnol

    Must have technical references for new engineers

    First post on the board, though I've used it for technical info many times. I'm working on a blog post for must have technical references for new/young engineers. I'd love to get some feedback; specifically other disciplines. For me: Discipline: Mechanical/Piping Reference: Crane Flow of...

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