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Best Way To Mount Chain Hoist

 
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Old 07-19-2019, 06:14 PM   #1
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Best Way To Mount Chain Hoist


Hey Guys,

I got a call today about removing a set of basement stairs so that a moving company can lower a commercial printer into a basement.

Removing the stair is straight forward but they also need a away to mount a chain hoist to the bottom of the second floor stairs to lower this thing in.

I can easily add two 2x8 plys to the back of the second floor landing and hanger then into solid structure but I donít know the best was to attach the hoist.

Would a large I bolt through all the plys work? Or is there something simpler / better.

Thanks
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Old 07-19-2019, 06:24 PM   #2
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Re: Best Way To Mount Chain Hoist


i'd vote for the eye bolt but, i would have the moving company spec it out and how it's mounted.

don't know how much weight you are talking about but liability wise it may be worth having an engineer draw it up and stamp it.

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Old 07-19-2019, 07:38 PM   #3
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Re: Best Way To Mount Chain Hoist


I-beam with a trolley on a pipe scaffold built in basement(in stairway opening) to very near ceiling of 1st floor. Might need a short scaffold built n ground floor to carry an end of the overhead I-beam/trolley, use adequate dunnage between floor and scaffolding(no punch troughs)

less then ~3000 lbs no special frames needed, 3-6 Klbs Double frames by tying two together with wire/rope whipping. more use 10 K shoring frames as required.

RE ENFORCE the ground floor as needed to prevent damage when moving printer into building=shoiring floor maybe layered planking to spread point loads of pallet jacks etc......

use Portal braces to allow lateral movement, or walk through frame, if 72" x ~42" wide will fit printer....

Using Two chain hoists would reduce the need for spreader bars and spread the load on the I-beam track
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Old 07-19-2019, 08:03 PM   #4
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Re: Best Way To Mount Chain Hoist


Quote:
Originally Posted by Fouthgeneration View Post
I-beam with a trolley on a pipe scaffold built in basement(in stairway opening) to very near ceiling of 1st floor. Might need a short scaffold built n ground floor to carry an end of the overhead I-beam/trolley, use adequate dunnage between floor and scaffolding(no punch troughs)

less then ~3000 lbs no special frames needed, 3-6 Klbs Double frames by tying two together with wire/rope whipping. more use 10 K shoring frames as required.

RE ENFORCE the ground floor as needed to prevent damage when moving printer into building=shoiring floor maybe layered planking to spread point loads of pallet jacks etc......

use Portal braces to allow lateral movement, or walk through frame, if 72" x ~42" wide will fit printer....

Using Two chain hoists would reduce the need for spreader bars and spread the load on the I-beam track


You looking at weights far above what I need. The printer is 450lbs.
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Old 07-19-2019, 08:21 PM   #5
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Re: Best Way To Mount Chain Hoist


I would have no issues using a forged eye bolt through bolted. Triple washer and double nutted.

Just check the capacity. Not hard to find one rated over 1000 lbs.

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Old 07-19-2019, 08:47 PM   #6
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Re: Best Way To Mount Chain Hoist


A few wraps of a chain or 3" nylon strap around the 2x8’s. Leave it loose enough for the hook of the chain fall to hook on. I’d hang the chain fall before I removed the stairs to make my life easy.

Make certain the 2x’s are blocked so they can’t roll.

Tom
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Old 07-19-2019, 09:11 PM   #7
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Re: Best Way To Mount Chain Hoist


Done it many times with a chain
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Old 07-19-2019, 09:19 PM   #8
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Re: Best Way To Mount Chain Hoist


Quote:
Originally Posted by Stunt Carpenter View Post
You looking at weights far above what I need. The printer is 450lbs.
heck, 450 pounds, just don't over think it...

i thought maybe you were dealing with some heavy weight.

good luck.
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Old 07-19-2019, 09:21 PM   #9
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Re: Best Way To Mount Chain Hoist


I think I might just wrap an axle strap around the two plys Iím adding and then bolt the beam together.
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Old 07-19-2019, 09:41 PM   #10
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Re: Best Way To Mount Chain Hoist


Screw a plank to the bottom of the upstairs with at least 8 structural screws into 2 bys stringers... fasten hook to plank, remove and patch drywall ceiling in stairwell.

Smart would install plank under drywall to stair and leave a secured nut for a 1000 pound I-bolt for the removal or next printer etc.

How does the paper/ink get to and FROM the printer?

Via con Dios.

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