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  1. Replies
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    Slightly o/t, but I was an apprentice spark...

    Slightly o/t, but I was an apprentice spark assigned to untangle 50' of 16g red wires... 48 red wires to be exact. All had paper tags, all ran to one centrifuge. That's the most twisted control...
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    One year ago we had a full gut reno. We have...

    One year ago we had a full gut reno. We have entire panels with "existing load", or just a list of fixture types with no room numbers. And then there are the breakers on different floors. Which is...
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    I work in a 450k square foot building. My...

    I work in a 450k square foot building. My coworkers and I are constantly losing and finding our tools throughout the place (building engineer). Its a lending library on acid.
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    Seems Iowa gets a lot of people we'd rather have...

    Seems Iowa gets a lot of people we'd rather have stayed elsewhere.
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    Wait, another TJ from Iowa? Huh.

    Wait, another TJ from Iowa? Huh.
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    The shield keeps stray frequencies out, but...

    The shield keeps stray frequencies out, but should only be grounded on one end. Grounded both ends, or accidentally in the middle, it becomes an antenna.
  7. I'm 28, and tend to agree that the country is not...

    I'm 28, and tend to agree that the country is not doing well. However, a lot of people my age and a little younger aren't helping anything. Living of mom and dad until you're 35 is not helping the...
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    Helping a relative in her basement when I look...

    Helping a relative in her basement when I look over and find a nearly full can of “Black Asbestos Furnace Caulk" sitting on a wall near me. Best part to me was the ‘Caution: Irritant' label. (Picture...
  9. Listen to the facilities / maintenance crew. We...

    Listen to the facilities / maintenance crew. We had many problems with our space until we sat down with the controls programmer and talk to him about our needs. After that, the building mechanicals...
  10. Thread: Andover?

    by tjrobb
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    396

    Andover?

    Ever since Schneider bought TAC, it seems more and more difficult to find information about Andover / Continuum. Being tasked to maintain an Andover system, does anyone know if Schneider has current...
  11. Thread: Hotel HVAC

    by tjrobb
    Replies
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    9,375

    This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary, or ask questions of the OP here.

    You can find the rules for posting and...
  12. NFPA 70E has your info. Don't have access to...

    NFPA 70E has your info. Don't have access to mine right now, but that's where your answer lies.
  13. Replies
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    Have a Wave, been carrying it for about 12 years....

    Have a Wave, been carrying it for about 12 years. Other than deburring the blades and a slightly bent screwdriver the thing looks and works like nearly new.
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    Who would ever think wire exposed to wind, water,...

    Who would ever think wire exposed to wind, water, and sand shouldn't need inspected? After the floods here our POCO spent months inspecting and replacing bits and parts, including many transformers....
  15. Thread: Minimum Load

    by tjrobb
    Replies
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    537

    I can't answer this myself, but the pros on here...

    I can't answer this myself, but the pros on here will need to know your tech- are you running centrifugal, scroll, screw, turbocor? May even help them to know if its air or water cooled. Best luck.
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    One trick I use is to connect hot and neutral if...

    One trick I use is to connect hot and neutral if I have to pull power to something. This way if it goes live for any reason the breaker (should) trip. Been hit too many times not to do it.
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    I know they use hydrochloric acid to etch...

    I know they use hydrochloric acid to etch concrete, but that could easily do more harm than good.
  18. Thread: Work pants

    by tjrobb
    Replies
    84
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    9,395

    +1 for Carhartt and fire hose. Being only...

    +1 for Carhartt and fire hose. Being only maintenance I don't wear through them as fast, but both those seem to last. If you need thinner, the newer fire hose flex style are thinner but still...
  19. Thread: Hall Closet

    by tjrobb
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    2,350

    Isn't transite the one made of asbestos? And is...

    Isn't transite the one made of asbestos? And is the boot-thing touching the PVC? Either way, impressive.
  20. Thread: ignorant stairs

    by tjrobb
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    2,289

    Yup, we have a set here, only ours have the...

    Yup, we have a set here, only ours have the standard step style. Fun coming back down, as there is less than a foot between the bottom step and the door. At least the elevator is only ten feet from...
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    At another forum I'm in they were wondering about...

    At another forum I'm in they were wondering about the ground fault sensor, a common item in 480v systems of that size, and if the gennys of the halftime show messed with it. Also, it takes 15 minutes...
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    Could be worse - doing a re-roof (thankfully I...

    Could be worse - doing a re-roof (thankfully I was just in-house maintenance), our pigeon poo was 18" deep in spots. Ugh.
  23. Not resi, but y'all would love the 42" high crawl...

    Not resi, but y'all would love the 42" high crawl above our third floor offices. Not sure why it was built like this, but it has lights, a bearing floor, and you get 66" high (based on my height)...
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    Hmm, price plus "one size fits one" could be a...

    Hmm, price plus "one size fits one" could be a problem. Plus, what about airflow? Aren't we supposed to keep shrubbery away from CU's?
  25. Replies
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    Yeah, if you need to blind people at 50' the 3D...

    Yeah, if you need to blind people at 50' the 3D mag LED will do it. I upgraded to it from krypton and now it has almost too much power. I also use a Streamlite (G2?) day-to-day and am really happy...
  26. Replies
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    This is the Ask Our Pro's forum. In order to post...

    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread....
  27. Replies
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    This is the Ask Our Pro's forum. In order to post...

    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread....
  28. Thread: Pipes!

    by tjrobb
    Replies
    18
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    4,009

    Does the water come out sideways??

    Does the water come out sideways??
  29. Replies
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    3,481

    We have two gas lines on our roof, split for...

    We have two gas lines on our roof, split for tenants, both painted yellow. Nice and easy to see, which is good as they are at the perfect height to trip you. (Theatre, last reno in 2009).
  30. Thread: Balancing act

    by tjrobb
    Replies
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    1,847

    WHY?? They go to all that trouble, and don't...

    WHY??
    They go to all that trouble, and don't provide a platform?
  31. Replies
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    GFCI's trip at 6mA. It's enough to make you...

    GFCI's trip at 6mA. It's enough to make you rather uncomfortable, but will keep you alive. Now I know the Navy uses some rather unique power systems, but I'm pretty sure the 6mA is fairly standard.
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    Might not be shopped. My middle school had...

    Might not be shopped. My middle school had "stairs to nowhere" like these. They had been capped years ago for fire safety reasons, and are now storage. (I personally saw these, not a legend.)
  33. Thread: Ironic

    by tjrobb
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    And then there are those with a tricked-out car...

    And then there are those with a tricked-out car and a house that's falling down.
  34. Replies
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    Sweat- the blocks used to be at the bottom to...

    Sweat- the blocks used to be at the bottom to prevent that. :rolleyes:
  35. Replies
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    1,635

    As a maintenance guy, this is why I ask the tech,...

    As a maintenance guy, this is why I ask the tech, " Do you also work on...?" It avoids grumpy tech problems. Also, I try to be very aware of what I don't know; my rule is to try not to break anything...
  36. Replies
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    Well, that way you won't yell at the owner for...

    Well, that way you won't yell at the owner for not changing the filter - it constantly stays clear!
  37. Replies
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    6,775

    Most instant start ballasts are 550-600V on...

    Most instant start ballasts are 550-600V on ignition for the arc, end of lamp to other end. This is for normal lamps, though, HO and VHO might be different, and I can't recall what program or rapid...
  38. Replies
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    6,775

    Phase- I'm actually in maintenance, it was a T12...

    Phase- I'm actually in maintenance, it was a T12 to T8 conversion. The units got beat up over 30 years if use, and so some bad units were expected.
  39. Replies
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    6,775

    I did about 150 new ballasts here, had a few...

    I did about 150 new ballasts here, had a few problems. One thing to check is the lampholders. They are a knife-edge connection (normally), and can pull away from the lamp pins over time. Also,...
  40. Heh, our chiller is right outside our auditorium....

    Heh, our chiller is right outside our auditorium. 24" of brick and 3' of clearance to the wall is all the sound attenuation we get, and still no complaints. The only issue we have is a 400Hz hum...
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    If there is a transformer in the fixture you may...

    If there is a transformer in the fixture you may void the UL listing by going around it. Also, 12V lamps and 120V lamps (mostly) use different bases. Changing the base WILL void the UL listing.
  42. Replies
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    Reminds me of the day I learned I can fit through...

    Reminds me of the day I learned I can fit through an 18" x 18" access panel, feet with head, under a counter. Had to go in feet with head so I can stand up on the other side on a 6" ledge. And this...
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    Our theatre was built in 1928 with...

    Our theatre was built in 1928 with structure-based air handling. After our most recent remodel, if you kneel down on the balcony and look through the old vents behind the seats (in the riser) you can...
  44. Thread: Sky High

    by tjrobb
    Replies
    7
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    1,365

    I believe that plywood on the parapet provides...

    I believe that plywood on the parapet provides the OSHA required height, thus making harnesses optional.
  45. Replies
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    1,674

    My home's boiler main return looked like that,...

    My home's boiler main return looked like that, decommissioned it after many more internal leaks were found (the unit was MANY decades old).
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    In our chiller they accidentally left the IOM,...

    In our chiller they accidentally left the IOM, etc, in the door. Problem was they missed the top latch (on purpose, you can't reach it without a ladder otherwise). A rain storm later and the baggy...
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    We have a "kitchen" (prep area) with NO A/C - has...

    We have a "kitchen" (prep area) with NO A/C - has a small ice maker, 4' wide commercial fridge, a warmer (upright), and a warewasher. Gets about 80 in there; we can't take ice down below 18"...
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    Yeah, I tried a zip tie, once. When I found a...

    Yeah, I tried a zip tie, once. When I found a bigger problem (disconnected ductwork), I cut the zip so the system was closer to normal. Been working fine since.
  49. Replies
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    How the H did the Fire Inspector pass that? ...

    How the H did the Fire Inspector pass that? Seems way too close to the FDC / Siamese connection. (First pick, near unit). Then again, may be the angle of the photo.
    EDIT: For clarification, I'm...
  50. Replies
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    Take the "no paint" as a point of pride - maybe...

    Take the "no paint" as a point of pride - maybe they liked your work enough they didn't need to paint it to make it look nice!
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