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Recent content by Togel

  1. Togel

    Cooling Tower VFD energy savings

    You have a lot of great responses here to look through. Wow. In my limited experience I would recommend looking for energy savings on the large equipment as well. The warmer condensed water supply into your chiller, i.e. CT fan on a lower frequency, will just cause the chiller to increase...
  2. Togel

    Cooling Towers

    I would recommend using data from other manufacturers and weigh it against any design demands you have. A good manufacturer I know is Evapco. They also provide Closed Circuit cooling towers as well.
  3. Togel

    Tail Pipe on Fixture or Drain

    I would like to add one point to my question. All the tailpieces/floor drains in question have automatic trap primers so there is no siffening issue. Thanks.
  4. Togel

    Tail Pipe on Fixture or Drain

    The Uniform Plumbing Code details that a tail pipe, i.e. vertical run of pipe underneath a fixture before the the trap occurs, may only be a maximum of 24" long or must be a 45 degree angle with a maximum 24" vertical distance. I understand the purpose of the maximum length such that...
  5. Togel

    DIAGNOSE THIS ...

    Not an expert by any means, but... I think cavitation by all means is the culprit. The pressure experted by the early stage pumps reduces the suction head on the latter pumps, thus reducing the likelyhood of exceeding vapour pressure. I think that wear probably did not occur on stage two until...
  6. Togel

    How to analize the lateral forces in a soil due to a pole?

    Not so much an engineering response but a practical one. Nonetheless, the added expense of oversizing embedment and footng size for power poles will always be less than the potential cost incurred by a failure.
  7. Togel

    AISC Code of Standard practice, Sec

    Well put. Working with an architect is like taking the placebo. You are made to think that you need them but it is just the psychological comfort that allows you to proceed.
  8. Togel

    AISC Code of Standard practice, Sec

    Quite the interesting conversation I have started. The contractor in question is handling his request in this manner, formally representing the merit of his request and substantiating the quantity of it. In my opinion, he has merit. I guess that I came off a little salty with my...
  9. Togel

    AISC Code of Standard practice, Sec

    SEOR is the structural engineer of record. Another extremely common term. I agree with some of your thoughts, however, the "hints" you are making reference to are often the grey area. The unfortunate part of this industry related to this issue is that it is becoming standard...
  10. Togel

    AISC Code of Standard practice, Sec

    Scrubbing is an industry term for the updating and incorporating changes of structural steel shop drawings. Scrubbing can be described as the expected amount of changes needed to be made from review comments by an SEOR.
  11. Togel

    structural detailing

    Generally, the contract documents, i.e. specifications, should make reference to the requirements of special inspection and the requirements of construction documents (usually shop drawing submittals). On top of that, a steel erector should have fabrication and erection drawings reviewed and...
  12. Togel

    AISC Code of Standard practice, Sec

    AISC Code of Standard practice, Section 3.2, which addresses "architectural, electrical and mechanical plans may be used as a supplement to the structural steel plans to define detail configurations and construction information, provided all requirements for the quantities and locations of...
  13. Togel

    Concrete Slab Hour Rating

    How do you calculate the fire rating of a concrete slab on metal deck? My current situation is a 206mm concrete slab (normal weight concrete), however the metal deck takes up 76mm of that thickness. Additionally, we need to figure out an interpretation of the fire code for this slab in...
  14. Togel

    better to work for a small or big company?

    When it comes down to it, you are responsible to ensure that you are not being taken for a ride by any company, big or small. Make sure your deal is right from the beginning as best as you can. Be happy with the salary, the working hours, the temperment of the office, the level experience in...
  15. Togel

    Current imbalance in three phase chiller motor

    Voltage correction is a good solution as it will be a more cost effective way of mitigating damage to the motor windings by correcting power at the central plant. Performing a coordination study of the facility will/may solve the problem at a much higher dollar value. If this is pursued, I...
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