[Build] Lighting revamp

Ben Kochie ben at nerp.net
Mon Sep 12 15:38:10 PDT 2011

Here are some of my research results so far.

First, I got a contact for someone at Department of Enviornment that can 
help us.  Because we have T12 bulbs and shit balasts/fixtures we're a 
prime candidate for PG&E rebates.  From the sound of it, it's possible to 
get a large chunk of the lighting repair work paid for by PG&E.

One major thing we would need to do here is get a review of the existing 
fixture situation "AS IS" in order to get the rebates approved.

Please talk to me in person if you have any questions.  I'll be sure to 
have a bunch of info ready for the Tuesday meeting.

Second, LED lighting is feasable.

Third, there are possibly rebates that would cover some of the cost for a 
commercial control system (occupancy sensors/daytime control)


  "UNIX is user-friendly, it's just picky about its friends."

On Mon, 12 Sep 2011, Ben Kochie wrote:

> I have a ton of spare time right now and want to get to work on fixing the
> lighting at the space.  My count last night was we have 15 functional
> fixtures in use but need about 20-25 to properly light the space.
> Major areas that need more light: (They basically have no targeted bulbs)
>   * FabLab
>   * Classrooms
>   * Kitchen
>   * Hack shelves
> My todo looks like this:
> Get estimate on power used by the existing lighting
>   * I have a TED 5000 which can be installed in the panel
>   * This will give us up-to-the-min readings of use
>   * I'll try and get a couple more so we can have one per-panel
> Figure out the cost of upgrading all balasts to handle T8 bulbs
>   * We have 96" T12 bulbs right now
>   * T8 bulbs use about 20% less power for the same light output.
>   * Replacing the balasts may also save power
>   * Estimate of about $50 per fixture to do this upgrade.
> Figure out the cost of upgrading all celing lighting to LED.
>   * We would possibly need a stronger cost/benefit estimate for this.
>   * Would give us some major cool factor.
>   * We could go dimmable to better control the light levels.
>   * Spots could be used for better lighting of work areas.
> Get a bank of light switches setup so we can have more targeted light use.
> Research controls
>   * Easy/hackable X10 switches
>   * Commercial controls add nice things like occupancy/daytime sensors
> -ben
>  "UNIX is user-friendly, it's just picky about its friends."
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