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  • Users: DDC
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  1. DDC

    Equipment to reach High Ceilings

    MiketheEngineer, Still in very early planning. Scheduling is a big issue and naturally budget. Probably won't happen this year. Thanks anyway. Charlie
  2. DDC

    Equipment to reach High Ceilings

    MiketheENgineeer It may be possible to put a smaller lift in the pool after draining, I know it has a 6" bottom just need to look up live load limit. Talking to the old timers around here I discovered that the original building overhead was painted before the pool was installed. Thanks, Charlie
  3. DDC

    Equipment to reach High Ceilings

    Our swimming pool structure needs to be repainted. Problem is getting to the exposed metal roof beams and girders. The pool is 85 feet wide and the roof is about 30 to 35 feet high. The cement deck around the pool has a rating of 100 PSF and a man lift large enough to reach everything weighs...
  4. DDC

    Science lab Compressed air

    I have been looking for safety guidelines for the air pressure setting in a college chemistry laboratory. We have Vacuum, Natural Gas, Water, and Clean dry air outlets available. I have checked OSHA 29 but all that is addressed is gas cylinders. Beginning to think that there is no actual...
  5. DDC

    Why not Air Condition the Chiller Plant?

    Although I understand the need to economize & reduce energy consuption wherever possible it seems to me to be false economny to just blindly look at reducing energy cost. We have a large chiller plant, 4 chillers > 1000 tons each along with associated pumps, switch gear and other equipment. I...
  6. DDC

    Setting Back Thermostat

    sb1835 Setback is a great thing if you don't over do it. I have used 5 degrees as a rule of thumb for a maximum setback. As buzzp mentioned length of time is a factor as well as your system. My experience is with large buildings and I have seen extreme cases where it has taken 3 days (until...

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