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Lighting CHewitt 09-30-2006
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Posted by Jonny on October 1, 2006, 3:33 am
> Greetings,
>
> I'm in the planning stages of renovating a barn to be used as a wedding
> venue, with receptions to be held in the hay mow of the barn. I'm
> trying to determine how many light fixtures I will need and I'm
> wondering if there is some sort of calculation for figuring this out.
> The ceiling is 28' high in the center. I'm considering using several
> 3-tier chandeliers that have 28 60 watt bulbs, and are 55" high x 60"
> wide. I'm just not sure how many I need or how far apart I can space
> them, or if I'll need to have lights on the side walls, too. The
> sidewalls are 11.5' high, the barn is 32' wide by 80' long. I'm not
> sure if this is something I can calculate on my own to get a rough
> estimate or if I'll need to enlist the help of a professional.
>
> Thanks in advance for any help you can give me!
>
> -Cheryl
>

Reception in the loft, bad idea. Buy some real good insurance. Hold it all
in the ground area of the barn. Use general flourescent lighting. Pull the
ladder to the loft.
--
Jonny



Posted by CHewitt on October 2, 2006, 2:32 pm
Ok, so although this barn would have French doors leading to a large
deck in addition to a wide stairway leading to the lower level, you
have made me pause to reconsider my options. I hadn't considered that
the building would be more flamable due to it's age. Many old
structures are renovated and given new life. The other thing that is a
concern to me is handicap accessibility and lifts are pretty expensive.

So, even with the French doors and stairway, would you still consider
this a fire trap?

The other option that I had been toying with was to build on the back
of the property (40 acres with a river slicing through it on the
diagonal.) There is a separate driveway off of the county road that
leads back to the rear of the property. I'd have to put in a driveway,
sewer, and electric, pour a slab, and all of that. I've been looking at
barn kits, mainly from http://www.uhbarns.com/. I think I'll start
putting together some costs along these lines.

Thanks,

Cheryl

Jonny wrote:
> > Greetings,
> >
> > I'm in the planning stages of renovating a barn to be used as a wedding
> > venue, with receptions to be held in the hay mow of the barn. I'm
> > trying to determine how many light fixtures I will need and I'm
> > wondering if there is some sort of calculation for figuring this out.
> > The ceiling is 28' high in the center. I'm considering using several
> > 3-tier chandeliers that have 28 60 watt bulbs, and are 55" high x 60"
> > wide. I'm just not sure how many I need or how far apart I can space
> > them, or if I'll need to have lights on the side walls, too. The
> > sidewalls are 11.5' high, the barn is 32' wide by 80' long. I'm not
> > sure if this is something I can calculate on my own to get a rough
> > estimate or if I'll need to enlist the help of a professional.
> >
> > Thanks in advance for any help you can give me!
> >
> > -Cheryl
> >
>
> Reception in the loft, bad idea. Buy some real good insurance. Hold it all
> in the ground area of the barn. Use general flourescent lighting. Pull the
> ladder to the loft.
> --
> Jonny


Posted by Glenn on October 2, 2006, 3:45 pm


> Ok, so although this barn would have French doors leading
> to a large deck in addition to a wide stairway leading to
> the lower level, you have made me pause to reconsider my
> options. I hadn't considered that the building would be
> more flamable due to it's age. Many old structures are
> renovated and given new life. The other thing that is a
> concern to me is handicap accessibility and lifts are
> pretty expensive.
>
> So, even with the French doors and stairway, would you
> still consider this a fire trap? PROBABLY.
>
32 wide by 80 long will hold a lot of people. Is the reception
room going to be ONLY on the mow elevation? If so, how are you
going to keep some kid from sneaking into the lower stalls to
smoke and burning the place down?

I would want a deck, stressed to hold over 100 people, on EACH end
of the mow and LOTS of doors opening OUT onto the deck. I would
want the deck easily vacated via a stair or preferably a ramp. I
would buy LOTS of insurance. I'm not really mean, just can see
the big picture. I don't think you are.


Posted by SteveF on October 1, 2006, 12:42 pm

> Greetings,
>
> I'm in the planning stages of renovating a barn to be used as a wedding
> venue, with receptions to be held in the hay mow of the barn. I'm
> trying to determine how many light fixtures I will need and I'm
> wondering if there is some sort of calculation for figuring this out.
> The ceiling is 28' high in the center. I'm considering using several
> 3-tier chandeliers that have 28 60 watt bulbs, and are 55" high x 60"
> wide. I'm just not sure how many I need or how far apart I can space
> them, or if I'll need to have lights on the side walls, too. The
> sidewalls are 11.5' high, the barn is 32' wide by 80' long. I'm not
> sure if this is something I can calculate on my own to get a rough
> estimate or if I'll need to enlist the help of a professional.
>
> Thanks in advance for any help you can give me!
>
> -Cheryl
>

But to actually answer your question there are a bunch of places on the web
with info. Good search would be "lighting planning lumens"

Like this one
http://www.facilities.ufl.edu/cp/pdf/Lighting%20Illumination%20levels.pdf

You will need to take the number of lumens per bulb times 28 to get the
light output for each chandelier and divide by the square footage to figure
how many lumens per square foot. The 60w package I've got shows 830 lumens
so that would be 23240 per fixture or 9 lumens / sq foot. Then it's a
matter of figuring out how much light you need. Once you have the idea of
how to figure it out you can look at how a room is lighted and do a rough
calculation of the lumens/sq ft to compare. Example, an office is usually 4
tube flourescent fixtures which are around 11,000 lumens per fixture and
ceiling tiles are 4' x 2'. Count fixtures, count tiles long by tiles wide
and do the math.

I expect these chandeliers are pretty pricey so the light store folks should
be able to help you out on this also.

Steve.



Posted by CHewitt on October 2, 2006, 2:34 pm
Thanks, Steve.

This is the type of information I was hoping to find. And yes, these
lights are pretty pricey.

-Cheryl

SteveF wrote:
> > Greetings,
> >
> > I'm in the planning stages of renovating a barn to be used as a wedding
> > venue, with receptions to be held in the hay mow of the barn. I'm
> > trying to determine how many light fixtures I will need and I'm
> > wondering if there is some sort of calculation for figuring this out.
> > The ceiling is 28' high in the center. I'm considering using several
> > 3-tier chandeliers that have 28 60 watt bulbs, and are 55" high x 60"
> > wide. I'm just not sure how many I need or how far apart I can space
> > them, or if I'll need to have lights on the side walls, too. The
> > sidewalls are 11.5' high, the barn is 32' wide by 80' long. I'm not
> > sure if this is something I can calculate on my own to get a rough
> > estimate or if I'll need to enlist the help of a professional.
> >
> > Thanks in advance for any help you can give me!
> >
> > -Cheryl
> >
>
> But to actually answer your question there are a bunch of places on the web
> with info. Good search would be "lighting planning lumens"
>
> Like this one
> http://www.facilities.ufl.edu/cp/pdf/Lighting%20Illumination%20levels.pdf
>
> You will need to take the number of lumens per bulb times 28 to get the
> light output for each chandelier and divide by the square footage to figure
> how many lumens per square foot. The 60w package I've got shows 830 lumens
> so that would be 23240 per fixture or 9 lumens / sq foot. Then it's a
> matter of figuring out how much light you need. Once you have the idea of
> how to figure it out you can look at how a room is lighted and do a rough
> calculation of the lumens/sq ft to compare. Example, an office is usually 4
> tube flourescent fixtures which are around 11,000 lumens per fixture and
> ceiling tiles are 4' x 2'. Count fixtures, count tiles long by tiles wide
> and do the math.
>
> I expect these chandeliers are pretty pricey so the light store folks should
> be able to help you out on this also.
>
> Steve.


Page 2 of 3       < 1 2 3 > last >>
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