Anyone Frame An Elevator Shaft? - Framing - Contractor Talk

Anyone Frame An Elevator Shaft?

 
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Old 04-06-2010, 09:23 AM   #1
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Anyone Frame An Elevator Shaft?


I'll be framing an elevator shaft in an existing house.(2 story only)

An engineer will make the final drawings--Right now all I have is a generic set of PDF drawings from Paca-Ryd.

The structure looks rather straight forward--Any one have pictures of one before the elevator was installed?

I wish I could rip the sub floor out to do a 'look see' --I've got to give them a ball park figure---Without seeing the joist framing the price is going to be a wild guess.

---Mike--
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Old 04-06-2010, 09:56 AM   #2
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Re: Anyone Frame An Elevator Shaft?


The one I did was an addition to a home not inside the existing structure, but the framing is pretty straight forward. Yours would be somewhat more complicated due to cutting the existing structure, but it shouldn't be anything you have not seen before. You will need to have studs, blocking or whatever the elevator co. wants to attach the rails to (assuming it's that type, most residential units are).

Before the elevator is installed it looks like a really tall closet.

Bill

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Old 04-06-2010, 10:15 AM   #3
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Re: Anyone Frame An Elevator Shaft?


Thanks---I've build a fair few closets.
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Old 04-06-2010, 10:27 AM   #4
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Re: Anyone Frame An Elevator Shaft?


I've built two, both on condominiums. One of them we did, we framed the walls in sections using ordinary length wall studs, then stacked them one on top of the other with a forklift. That worked fine except it got pretty hairy on the third story, I wouldn't want to have been the guy on the forklift moving the wall in place, totally illegal as far as safety is concerned.

The other one we built, I think we used Timber Strand for the studs so they went the full length of the shaft. Then we set them in place with a boom truck. I remember that one we did had no shear schedule on it for some reason, so we used OSB with 6:12 nailing.

There is nothing tricky about it, they are just a few tall walls. The part that takes some planning is how you are going to finish out the openings once the elevator is installed. That will take some pick-up carpentry framing, probably something you won't think about until after the elevator is in.
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Old 04-06-2010, 10:47 AM   #5
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Re: Anyone Frame An Elevator Shaft?


I installed one but don't remember to brand name. It was disassebled and moved from their previous home. Pretty straight foward job - just standard framing/bracing. You should be able to get a spec sheet with the required rough opening size.
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Old 04-06-2010, 11:03 AM   #6
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Re: Anyone Frame An Elevator Shaft?


The elevator company will do the actual install---I just need to do the hole in the floor--
walls--LLV for the rails -6" pocket into the concrete slab- and actual finish after they install.

What I'm hearing matches what I was thinking--I may open the subfloor before the engineer shows up.

That will save some time--no surprises after he submits his drawings.--Mike--
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Old 04-06-2010, 11:13 AM   #7
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Re: Anyone Frame An Elevator Shaft?


Quote:
Originally Posted by mikeswoods View Post
I may open the subfloor before the engineer shows up.
Good idea, since they charge about $100 an hour on site.
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Old 04-06-2010, 11:23 AM   #8
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Re: Anyone Frame An Elevator Shaft?


I did one and kick myself for not taking pics.It was an addition type and we also built an equipment room.We had to run two 4"x10"x20''s about 2 feet apart the length of the walls.The where heavy...lol.They attached the tracks to them.
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Old 04-06-2010, 02:18 PM   #9
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Re: Anyone Frame An Elevator Shaft?


Did not frame it but did other work in the house

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Old 04-06-2010, 02:30 PM   #10
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Re: Anyone Frame An Elevator Shaft?


I did one years ago, very straight forward framing, I made two 2 x 10 channels to carrier the rail that the elevator ran on.
Cut out the flooring of the existing first/second floor, 12" deep pit (very deep footings for some reason). block off the floor bays, standard stuff. The elevator company did stress how plumb & straight the rail channels had to be.
It was one of my first drafting jobs too, I will look to see if I kept the files.

Andy.
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Old 04-06-2010, 02:57 PM   #11
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Re: Anyone Frame An Elevator Shaft?


The elevator guy ALWAYS wants to make sure you are framing as plumb to the gnats ass as possible. They're the pickiest. I think one told me "1/8" in 20'"

Make sure you find out if Sheetrock is required and what type.
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Old 04-06-2010, 03:25 PM   #12
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Re: Anyone Frame An Elevator Shaft?


I do them all the time and they are just basic framing with some added structure for the rails

Last edited by cbreeze; 04-06-2010 at 03:35 PM. Reason: to much info
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Old 04-06-2010, 03:43 PM   #13
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Re: Anyone Frame An Elevator Shaft?


We did the plans for one, a two story residential attached to the rear and side of a house and the steel schedule in the pit was dense, the 'crete deep; We called out for 3-1/2" x 5-1/2" lvl's @ 16" o.c. balloon framing where there was no second floor to tie into..................
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Old 04-06-2010, 04:11 PM   #14
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Re: Anyone Frame An Elevator Shaft?


Quote:
Originally Posted by KennMacMoragh View Post
, so we used OSB with 6:12 nailing.
Please explain the terminology here...is this referring to spacing in inches-as in 6" from side and 12" inside the field or something else?
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Old 04-06-2010, 04:15 PM   #15
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Re: Anyone Frame An Elevator Shaft?


Never framed one. Formed up a few though.
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Old 04-06-2010, 04:38 PM   #16
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Re: Anyone Frame An Elevator Shaft?


We do them all the time what's your questions ?
Just make sure everything stacks,find out the blocking requirements, most of the time you need to leave the door openings big until the install is done then close them in.
As far as perfectly plumb, that's what the elevator rep will say but the installers have quite a bit of adjustment as long as the shaft is the correct size. Make sure to find out about fire requirements as far as how much Sheetrock and blocking you will need. That is the hardest part filling in the fire stopping on the door infill walls after everything else is done.
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Old 04-06-2010, 05:35 PM   #17
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Re: Anyone Frame An Elevator Shaft?


I've worked on quite a few of them, as many as 5 stops on a stacked duplex. Complying to codes is a bit tricky. There is a maximum distance allowed from the car to the door. I'm pretty sure that's to prevent a child from standind between the car door and the entry door. There are also maximums between the car floor and the door sill. Those are the two off the top of my head that require some planning before execution.As far as framing, I find it easier to keep things true by platform framing each section, instead of framing long walls.
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Old 04-06-2010, 07:37 PM   #18
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Re: Anyone Frame An Elevator Shaft?


Thanks everybody----I'll need to get the engineers drawings--I've got a few other things to do while I wait for the elevator people. Thank's--Mike--
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Old 04-06-2010, 07:46 PM   #19
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Re: Anyone Frame An Elevator Shaft?


Our company framed an elevator shaft about a year ago and it was a monster! The actual shaft was 42' without the roof. As I fecall the framing requirements were very specific as to what the elevator co. wanted to fasten their rails to. We had to glue and nail 3 2x6s and the another on each side of that for them to mount to. 3/4 ply was installed outside AND INSIDE the shaftOug tolerence was 1/4" fom top to bottom for plumb and straightness. We passed! This shaft was on the outside of a 3 story historical house in Old Louisville. the house was a "3 brick" house meaning that there was no exterior wood framing, just three rows of bricks. Very interesting. I wish i had a finished pic but i dont. The cornice was a job in its self to match and recreate.
Im trying to post pics but it is not allowing me too. hmmmm!

Last edited by FRAMERBEN; 04-06-2010 at 07:51 PM.
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Old 04-06-2010, 08:03 PM   #20
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Re: Anyone Frame An Elevator Shaft?


I have done a few of them and I think they were all different. After the first one I always requested plans from the particular elevator guy.

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