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  1. eddie11

    debates over most important TVSS location

    Hi stevenal. I know the situation may vary, but if you had to choose just one location, which would you usually end up choosing in the environments you are familiar with: 1. service entrance 2. the output of the emergency power ATS that is fed by utility (normal) and generator (emergency)...
  2. eddie11

    debates over most important TVSS location

    Hi. A site I am working with is subject to a company spec that says only that commercial power line protection must be installed at or near the ATS. The site is a telecom/data center hub. The building service main switchboard feeds into the standby generator ATS and from there into some...
  3. eddie11

    battery systems for UPS and DC plant (telecom room)

    regarding the UPS VRLA batteries and whether the site must have PPE on-hand, I was told by one of the guys that he found a code requiring the PPE for any battery maintenance, but it seems it could be argued that since the UPS maintenance is contracted out, as long as the sealed batteries are...
  4. eddie11

    code help. Do walls have to be marked with rating?

    I've been reading the International Buildings Codes and the State of Virginia Universal Building Codes that I found online and neither say the walls have to be marked (www.amlegal.com and www.vbcoa.org respectively). thanks for any feedback.
  5. eddie11

    battery systems for UPS and DC plant (telecom room)

    Hi I have 2 battery safety questions if some kind person can provide his/her opinon. 1) Do VRLAs-based UPS and DC power systems require eye stations also? I am wondering about a telecom datacenter application with a 30KVA UPS with VRLA batteries. Someone came through recently and dinged us...
  6. eddie11

    UPS Battery Types

    I have 2 related questions if some kind person can provide his/her opinon. 1) Do VRLAs-based UPS and DC power systems require eye stations also? I am wondering about a telecom datacenter application with a 30KVA UPS with VRLA batteries. Someone came through recently and dinged us as being...
  7. eddie11

    code help. Do walls have to be marked with rating?

    I am not an expert on fire codes, but looking to figure out quickly if I have a potential issue here that I need to spend more time straightening out. My midwestern phone/cable company had some corporate internal consultants come in and do a larger review of some facilities as a way to "help"...
  8. eddie11

    Heat load of a Data room

    Friar Tuck, here is some empiracle data from Sun Microsystems: http://docs.sun.com/source/816-1613-13/Chapter5.html#34676 http://docs.sun.com/source/816-1613-13/Chapter4.html
  9. eddie11

    using ATS on output of UPS for bypass

    I am wondering what the opinions are out there of people who do this more for a living. I know a service provider that needs high availability. Because some site are unattended, they protect against UPS failure by putting an open transition, standard mechanical-transfer ATS on the output side...

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