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GBlist: Re: Greywater & Lighting in NYC
> Greywater systems are very expensive to install as part of a retrofit
> because you essentially have to put a second set of pipes in the walls
> running from the showers/sinks/laundry to the toilets (unless, of
> course, you don't mind exposed pipes).
As mentioned in another response, at this point I am more interested in
whether a system makes sense in an urban setting. How would the water be
separated, and what would the uses be? Can't be directed outside for
> The other issue is, of course,
> regulations. I don't know what the regs regarding the use of greywater
> are in NYC, but you should find out before you get deep into the
> Lighting is one of the biggest expenses in the day to day operation of
> most modern buildings. I don't know how much you plan on spending to
> modify the existing structure, but daylight is the best source of
> light. Daylighting won't work in all areas of the city (if you happen
> to be in the shadow of a skyscraper, or not on one of the top floors
> for example). Daylighting would also require major structural changes
> to the building (the installation of more windows).
> Failing the above, four fairly common technologies that should be
> available are: 1) using electronic ballasts instead of magnetic, 2)
> using "T-8" flourescent tubes instead of T-12 "Cool Whites", 3) using
> compact flourescent lamps instead of incandescent, and 4) using motion
> sensors to control whether lights are on or off. The first two
> suggestions are only if you have overhead flourescent lights (which I
> doubt, but is possible). The third and fourth can work anywhere.
What are the *uncommon* technologies?
> Good Luck
> Nothing can be foolproof because fools are so *&#!@ ingenious.
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