Re: Central Station Construction

["James" <trishnjames@xxxxxxxxxxx>]

Thanks for the reply, we are not ready to go full blown UL due to not having
enough accounts to truly support it.  But we are shopping for a bigger
building and I would like to get one that can be easily "transformed" into a
UL building.

James


"Nomen Nescio" <nobody@xxxxxxxxx> wrote in message
news:ed999488e808b75fc49bb89f9ab4ab26@xxxxxxxxxxxx
> James said:
>
> >What types of buildings are acceptable for a UL Central Station?  I have
a
> >copy of the UL spec, but it says things like "the roof is required to be
a
> >class A"  with no other explaination.  What is a class A roof?  I know a
> >block building with a gravel roof is acceptable but I am wondering what
> >other construction types are?
>
> There's a UL standard that defines Class A, B, and C fire-resistive roofs,
> UL 790.  But you don't need to become a roofing expert to build a central
> station.  If you're building a building, just tell your architect.  If
> you're buying one, get a roofing contractor to give you a letter.  Spanish
> tiles and slate roofs can provide Class A protection, for example, but
> what's underneath the tiles is also important.  Basically, Class A means
it
> doesn't burn easily, and can resist a severe fire exposure.  Think in
terms
> of someone throwing a Molotov cocktail onto the roof of your building, or
a
> wildfire surrounding the building.
>
> If you have a copy of UL 827, you have the construction specs for the
walls
> and ceiling, and the physical security requirements.  One option that
often
> works is an upper floor in a multi-story office building, since newer tall
> buildings are built with fire-resistive construction.  However, there are
> special problems with multi-tenant buildings.  Protection of the central
> station phone lines, emergency power, and a fire alarm system for the
> entire building are points to remember.
>
> Good luck with your project.
>
> - badenov
>