If you get an electrician be sure to tell them what spec to go by. Just
went through this....one engineer in the home office was insistent on
R56 grounding. Nobody told the electricians, so they went by a
Telecordia spec. I don't remember what he said GRU something something,
but it was different and became a pissing match later. I guess the
electricians had a "default setting" we had to toggle.
Layout the racks in a drawing first, and make sure you're allowing room
to get access to all sides. Overhead cable ladder isn't too expensive
and gives you lots of options for cable management. Big cables can lash
straight to it, or troughs or innerduct for smaller cables.
Make sure floor is strong enough for weight of equipment and batteries.
If you just tell a guy to "build me a shed" you might get 2x6 joists.
"Tornado resistance" isn't a serious concern here, so IDK about that.
The AT&T long lines sites all had double cinder block walls. Two blocks
thick all the way around. If they have concrete coring they're probably
dynamite resistant.
On 7/28/2021 9:39 AM, Chris Fabien wrote:
We need to upgrade a roadside FTTH cabinet to a small building. I've
never started from scratch before. It will house maybe 2 racks of
equipment. I'm thinking 10x15 or 10x20 footprint. I know a used tower
shelter is an option but I'm leaning towards a real building, maybe
concrete for tornado resistance.
Probably two small Mini Splits for cooling. Power, I'm not sure,
probably dual 48v system although we may have some 120 equipment.
Propane backup generator or course. Probably needs some propane heat
also for winter in Michigan but maybe I could just run the right mini
split and some electric heat for super cold days.
Interested in any other ideas and what stuff do I need to consider
that's not even on my radar.
Thanks,
Chris
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