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Garage Lighting (layout and fixtures)

Dan Babb

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Joined
Dec 20, 2010
Messages
85
I know this has been beat to death. I've seen some of the posts and to be honest, there's just too much information for me to figure out what I want.

Based on what I did learn, I came up with this lighting layout.

GarageLights2_zpszmh9ishc.jpg



Garage Info:
30x30
Ceiling Height will be about 11'
Walls will be painted white...might use a light gray or other color on the lower 48" to hide the dirt on the lower portion a bit.
Floor will be sealed concrete...no plans for a fancy white epoxy finish for now.
Located in Chapel Hill, NC....so we have winter, but a really cold day is in the high single digits and I probably won't be out there much on those days (although I will have heat).

The fixtures in my layout are 8ft long - 2 bulb. Figured I'd use the ones that have 48" bulbs. The two by the garage door are 48" and are just there to provide good light in that area when working with the garage doors down at night.

From what I've read, T8 bulbs are better at this ceiling height and are more cost effective than buying T5 bulbs. Leds aren't worth the investment now.

Will do general auto projects (maint on cars and plan to get some type of restoration project going when I move in). My eyes aren't great at night, so I would like plenty of light.
I have a regular job, so I won't be out there for 20 hours a week...more like a weekend hobbyist.

Plan was to put the 8ft fixtures on separate switches so I could turn half the lights on with one switch and half on with a separate switch. Or maybe just have alternating 8' banks that turn on (whatever is easier for the electrician).


Questions -
Do I need the 8' fixtures? Would 4' in the same spots be enough?
How is the layout?
Link to the fixtures and bulbs I can use. I don't really have the time to buy a fixture and go replacing ballasts in them all as was suggested in another good post.
 
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HotRod68Camaro

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Apr 29, 2008
Messages
201
Location
Central TX
Questions -
Do I need the 8' fixtures? Would 4' in the same spots be enough?
How is the layout?
Link to the fixtures and bulbs I can use. I don't really have the time to buy a fixture and go replacing ballasts in them all as was suggested in another good post.

You could do three 4' fixtures instead of two 8'. My garage isn't as deep (19') and i plan on doing three 4' even spaced in generally the same layout as yours, 3 rows of 3.
 

Platonic Solid

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Nov 29, 2014
Messages
3,587
Location
CT-USA
You're good as is. Do not use less than you have.

Qty 9 Tandem 8ft 4lamp (2wide) strip light fixtures: 3 rows of 3 spaced 10'x10' on center will yield about 72fc @ 30" workplane height. Total # of F32T8 Lamps = 36

Qty.20 2lamp 4 ft strip light fixtures: 4 rows of 5 spaced 5'x4' on center will yield about 79fc @ 30" workplane height. Total # of F32T8 Lamps = 40
 

Platonic Solid

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Joined
Nov 29, 2014
Messages
3,587
Location
CT-USA
Do I need the 8' fixtures?
Yes
Would 4' in the same spots be enough?
No
How is the layout?
Fine
Link to the fixtures and bulbs I can use. I don't really have the time to buy a fixture and go replacing ballasts in them all as was suggested in another good post.
$82.39/ea tandem fixture: Cooper Metalux 8TSSF-232-UNV-EB81/PLUS

$4.25/ea Lamp: Sylvania 21681 FO32/841/XPS/ECO3
 

bczygan

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Joined
Nov 4, 2009
Messages
22,002
Location
DETROIT! Arsenal of Scrappers
You need 6 more 8 footers.

Actually, use 4 footers. They allow for more finesse in placement. So a total of 30 fixtures.

I have 6 fixtures in a 9x19 and it isn't enough. I need task lighting at the benches, so will add 3 more. Your garage is 4 1/2 times as big. And my ceiling is 9', yours is higher.

Use fixtures with bulbs spaced apart and with white reflectors and hang them down a bit. Hang much lower over work benches or where you do fine work, like at toolboxes and machines. At work stations, place them closer to the walls, ideally, just behind your shoulders.

Remember that when the garage door is open, those lights are blocked.

Lights outside, on either side of the garage door will give you a nice outside place to work, and well lit access to the garage.

And a light in the crapper would be nice...

http://www.gelighting.com/LightingWeb/na/resources/tools/lighting-assistant-toolkit/lighting-layout-estimator.jsp
 
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charlie v

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Dec 16, 2010
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44
Location
Surrey, BC
I would centre lights above your work benches so you do not have shadows with the light behind your head.
 

Platonic Solid

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Nov 29, 2014
Messages
3,587
Location
CT-USA
use 4 footers . . . So a total of 30 fixtures
Dang, that would be a lot of light, like around 120fc.

And a light in the crapper would be nice...
Nah, just leave the door open :D

Gotta love a program that lets you put a guy on the crapper. What program is your layout made in Dan?

The fixture I recommended above has a High Ballast Factor>1.13
The Lamps are 3100 lumens, thus you'll actually get around 3500lm per lamp or 14,000lm per 8ft strip.
 

Platonic Solid

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Plumcrazy

Member
Joined
Dec 31, 2013
Messages
19
Location
Perkasie PA
I'm no electrician nor am I any sort of lighting expert. In fact I felt the same was as you with regards to too much info.
I am nearing completion of my shop Reno, sounds a lot like yours, white walls and ceiling, some gray. Foot print a little different .m21x40 with 9 ft ceilings. I think you have too much light. I just surface mounted 12 48" t8 fixtures, a total of 24 32w home cheepo bulbs and fixtures. Sorry can't link it but there made by Lithonia. I pretty much arranged them evenly spaced on the "foot print" of the ceiling. I. Had to work around a set of pull down stairs but Im very pleased with how it turned out. I have more than enough light as is to do any of the tasks you have planned for. In fact I think I could even read the want ads on the crapper with the door open.........
Cheers
 
OP
D

Dan Babb

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Joined
Dec 20, 2010
Messages
85
Thanks for the feedback.

I did the garage layout using Floorplanner.com. It also lets you see it in 3D and was helpful in figuring everything out before I gave the plans to the architect

I'm going to put some under-cabinet lights for the workbench areas and will definitely have a light inside the throne room. I will also have a couple of floods lighting up the area in front of the garage door.
 
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