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GBlist: Re: Greywater & Lighting in NYC

>From: kwright@SMTP-ROCKVILLE.dynamac.com
>
>    amos,
>
>    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
irrigation!!

>    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
>    planning.

>    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
>
>    Ken
>
>    Nothing can be foolproof because fools are so *&#!@ ingenious.
>
>
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>
>

__________________________________________________________________
This greenbuilding dialogue is sponsored by Oikos (www.oikos.com)
and Environmental Building News (www.ebuild.com). For instructions
send e-mail to greenbuilding-request@crest.org.
__________________________________________________________________