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Required Size Steel Beam For This Situation

 
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Old 04-16-2015, 12:02 PM   #21
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Re: Required Size Steel Beam For This Situation


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If I'm doing something out of the ordinary as you are doing yes we most certainly do. We don't build many decks as a matter of course, and certainly don't substitute steel to use fewer supports that often, so I would have an engineer verify. Same way I have them verify any questionable spans or support removal in a house. I don't like to guess and be questioned if an engineer was consulted it anything turns out wrong. It's pretty easy, call your engineer give em the specs, or tell him what you were thinking of doing and get a verification. We contact ours once a week depending on what projects are going on at the time
How do you know it's out of the ordinary until you know the spec's of the material. If the company who makes the steel says it's ok then why would you need to question it. Do you get an engineer to check when you use a new fastener on a deck. No of course not as you trust that the company who makes the products and been honest about it being tested to the loads it's rated to handle.
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Old 04-16-2015, 12:05 PM   #22
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Re: Required Size Steel Beam For This Situation


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Well for one im not new and 2 im looking for span tables. Why would i need an engineer for that. If the span tables say i cant span 27ft but i can span 22 then i will add a 3rd post.

Do you get an engineer when you use wood span tables? Thought not
I was pointing out the irony of the situation. Obviously I know you're not new here. That was the point of my post.

Let me know when you find those steel I beam span tables for joist loading on a deck.
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Old 04-16-2015, 12:10 PM   #23
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Re: Required Size Steel Beam For This Situation


See if this is any help. The feller is a PE and has a good app ($3.99) for your phone to calculate spans for steel beams of various make and model:

http://www.constructionknowledge.net...nding_page.php
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Old 04-16-2015, 12:12 PM   #24
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Re: Required Size Steel Beam For This Situation


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I was pointing out the irony of the situation. Obviously I know you're not new here. That was the point of my post.

Let me know when you find those steel I beam span tables for joist loading on a deck.
They are not I beams. They are LG steel beams.
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Old 04-16-2015, 12:13 PM   #25
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Re: Required Size Steel Beam For This Situation


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How do you know it's out of the ordinary until you know the spec's of the material. If the company who makes the steel says it's ok then why would you need to question it. Do you get an engineer to check when you use a new fastener on a deck. No of course not as you trust that the company who makes the products and been honest about it being tested to the loads it's rated to handle.
You made it sound like you were trying to figure out how to get away with using lees support than you normally would use by using a beam instead of something that is usually done another way. What is BS as you say is that you ask opinions and advice and bash ones given.

If you want an engineers opinion on what to use let me know all pertinent information and I will gladly run it by mine.
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Old 04-16-2015, 12:14 PM   #26
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Re: Required Size Steel Beam For This Situation


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See if this is any help. The feller is a PE and has a good app ($3.99) for your phone to calculate spans for steel beams of various make and model:

http://www.constructionknowledge.net...nding_page.php
That looks real handy but i need something from the maker of the steel to give to building department. I have the joist tables which they will allow but not the beam tables.
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Old 04-16-2015, 12:16 PM   #27
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Re: Required Size Steel Beam For This Situation


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That looks real handy but i need something from the maker of the steel to give to building department. I have the joist tables which they will allow but not the beam tables.
Gotcha.

I assume you've had no luck contacting the manufacturer?
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Old 04-16-2015, 12:17 PM   #28
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Re: Required Size Steel Beam For This Situation


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Originally Posted by Jaxyaks View Post
You made it sound like you were trying to figure out how to get away with using lees support than you normally would use by using a beam instead of something that is usually done another way. What is BS as you say is that you ask opinions and advice and bash ones given.

If you want an engineers opinion on what to use let me know all pertinent information and I will gladly run it by mine.
No i already have a beam there i want to keep the beam but increase the span which can be done but im looking for beam span tables. What way would you do it instead of a beam!
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Old 04-16-2015, 12:23 PM   #29
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Re: Required Size Steel Beam For This Situation


I haven't found a beam span chart yet, sorry. My building department requires an engineers stamp for it anyways so I don't even bother trying to figure it out.

For your plan of 2 posts with that span, you'll want a wide flange beam. To do it out of light gauge might be possible but it's probably pretty close to the max. Drop a post in the middle and it's easy.
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Old 04-16-2015, 12:26 PM   #30
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Re: Required Size Steel Beam For This Situation


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Gotcha.

I assume you've had no luck contacting the manufacturer?
waiting for someone to call me back.
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Old 04-16-2015, 12:30 PM   #31
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Re: Required Size Steel Beam For This Situation


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They are not I beams. They are LG steel beams.
You gotta explain that one
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Old 04-16-2015, 12:32 PM   #32
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Re: Required Size Steel Beam For This Situation


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I haven't found a beam span chart yet, sorry. My building department requires an engineers stamp for it anyways so I don't even bother trying to figure it out.

For your plan of 2 posts with that span, you'll want a wide flange beam. To do it out of light gauge might be possible but it's probably pretty close to the max. Drop a post in the middle and it's easy.
Lucky around here as they more worried about 1/2" water being in the post holes than the deck not being safe

Might have someone getting back to me about knocking up a beam span chart for the LG steel. Yeah i was gueesing i would be getting real close to max span bassing it on just a single 12" 14 gauge wide flange joist. 4 of them boxed into 2 would prob def be strong enough but that aint good enough as i wanna see something from the company who makes it to say thats fine. Plus it will be ok for getting it signed of that way too.
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Old 04-16-2015, 12:35 PM   #33
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Re: Required Size Steel Beam For This Situation


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You gotta explain that one
a picture will explain. This is not mine by the way. Just found it on google

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Old 04-16-2015, 12:41 PM   #34
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Re: Required Size Steel Beam For This Situation


I'm lost. What are you asking anymore? The above photograph is steel studs, don't you want to know about the I or W they land on? The type of joist doesn't matter, then could be wood, MS or pan decking.
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Old 04-16-2015, 12:43 PM   #35
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Re: Required Size Steel Beam For This Situation


If you can figure out this table, it has the answer:

http://mercypleasetw.weebly.com/uplo...88483_orig.jpg

You'll still need an engineer for the joist to beam and beam to post connections.

edit: I see you're talking light gauge steel - I'll leave the link up, but that isn't light gauge.

Last edited by hdavis; 04-16-2015 at 12:47 PM. Reason: more info
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Old 04-16-2015, 12:47 PM   #36
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Re: Required Size Steel Beam For This Situation


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If you can figure out this table, it has the answer:

http://mercypleasetw.weebly.com/uplo...88483_orig.jpg

You'll still need an engineer for the joist to beam and beam to post connections.
That's one of the ones i found but only made about 75% sense. Be nice to get the beam table from same people as joist table.
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Old 04-16-2015, 12:48 PM   #37
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Re: Required Size Steel Beam For This Situation


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I'm lost. What are you asking anymore? The above photograph is steel studs, don't you want to know about the I or W they land on? The type of joist doesn't matter, then could be wood, MS or pan decking.
You been lost from the start. No they are not steel studs they are punched c joists.
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Old 04-16-2015, 12:48 PM   #38
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Re: Required Size Steel Beam For This Situation


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That's one of the ones i found but only made about 75% sense. Be nice to get the beam table from same people as joist table.
The engineers earn their keep on the 25%
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Old 04-16-2015, 12:49 PM   #39
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Re: Required Size Steel Beam For This Situation


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The engineers earn their keep on the 25%
WTF is your fascination with engineers. Give it a ****ing rest.
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Old 04-16-2015, 12:53 PM   #40
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Re: Required Size Steel Beam For This Situation


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WTF is your fascination with engineers. Give it a ****ing rest.
Dude, you on the way to a melt down? You ask a question that needs an engineer, everybody tells you that you need an engineer and you yourself admit that you can't understand the tables.

What is your fascination with doing things wrong?

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