Voltech

I asked about this awhile back . This is the system I used to hang around 900' of of those cheap ass 2 bulb fixtures. I didnt see anyway that was faster for the money. The cable cost 175.00 per 1000' the crimps, "I" bolts and turn buckle were another 75.00. i had just under 100 man hours in the 1st store and 80 in the last one.

Pick it apart guys, I have 10 stores in the next 12 months and want the fastest way possible


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Big John

Interesting solution. Seems like it would've been a beast getting all those fixtures reasonably level off a moving cable?

-John

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RIVETER

Looks good, but I would think that the owner would want to conceal the junk in the ceiling above the fixtures, either by wider shading, or painting it black.

Cletis

That's a great system for a horrendous lighting plan.

Hint: A lot of light is being absorbed by the wrong things... I could light that area up the same with 8 fixtures in under 15hrs....

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rdr

If that's what the man with the chequebook wants and he's paying you for it, who are you to argue? Unless the OP is designing it......then that's a different animal.

Big John

Except I'd be willing to bet that when they put shelving in this store, your 8 fixtures would cast an awful lot of shadows and leave an awful lot of dark spaces.

-John

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Voltech

Not that bad. I used support chains where the cable sagged the most. I did learn to let them hang for a day or so before leveling. But I did have to make a second trip to level each row. Bout an hour and half to line up and level from a lift

HARRY304E

Looks good.

Did you use a laser to get those level??

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220/221

So....you hang a cable from chain, then hang chain from the cable which gives you easy access to the fixtures points of attachment?

In certain situations I can see that working well. The biggest pain in the ass on this installation (besides the repetitive boredom) would be getting the chains in the right location with the framing running the wrong way and mechanical stuff in the way.

I don't know how you secured the cable but, I'd install a failsafe and not rely 100% on the ends of the cable. A simple crimp at the ceiling chains would do it.



and fix your damn pictures!!

Voltech

They over engineered the hell out of this project. There are 12 rows of lights, they each pull around 3.5 amps. They have 24 circuits for those lights. They also used a bunch of LED wall packs that each have their own circuit, they are 70 watts each and there are 9 of them.

Big John

The more I look at this, the more I like it.

In theory you could thread a whole line of fixtures directly on a cable and just support them directly. Tension up the cable and then install some ceiling attachments like you did here. Would save a ton of work over hanging them individually, and a ton of money over using strut.

Very neat idea.

-John

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Voltech

I used one to set the mark and to check it at times, but mostly used the rail of the lift set at the right height and board, pulled the fixture up until the top hit the board and hooked it. they are not all dead on, I used 1/4" to play with or an 1/8 one way.

Cletis

that's your typical retail odd lots setup. think about how much light is wasted upward and absorbed by that hideous ceiling. Also, they are going to be chasing bulbs forever which is a total waste. All those wasted circuits when they could of possibly done it on only several or so. Do they have 277V ?? those are probably crappy 3 phosphor rapid start cheap chinese electronic ballast too. Hideous. Almost want's to make me puke. They did a little better outside with the LED's but could have been better.

Your installation looks fine though...

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Voltech

We could not hang them like that because of the duct work. We ran the cable and pulled it tight. built 5 sections 40'' and 2 guys would walk it up a ladder and I could put 3 sections on the lift. Im not sure you could get it tight enough with the weight of the fixtures on the cable.

The reason for the cable was the purlins were on 5' center with 8' fixtures I would have had to drill a point of attachment on the fixture and on the purlin
or use 900' of strut.