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Old 05-10-2013, 10:38 AM   #16
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Building Free standing Pergola over existing deck, need some help...


So do you think the family handy man plans that I attached are adequate for the Chicago land area? I believe they used 4x4 posts.

Also, going back to the footings... Embed the post or no?

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Old 05-10-2013, 11:02 AM   #17
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Building Free standing Pergola over existing deck, need some help...


I just looked on the ordinances page for our Village under building regulations...I couldn't find one thing about pergolas
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Old 05-13-2013, 11:43 AM   #18
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Building Free standing Pergola over existing deck, need some help...


I talked to the building inspector. He said that a pergola is not a permanent structure therefore they do not require a permit.

We are going to pour footings and they have to be 48" deep because of frost line.

Should I embed the post in the concrete or use brackets to set them on top of the footing?
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Old 05-13-2013, 11:54 AM   #19
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Building Free standing Pergola over existing deck, need some help...


two schools of thought .....

embedded posts are a basic principle of post-frame building construction (commonly know as pole barns) as the posts are more resistant to wind loads. some will tell you your post will rot. Wood rots when exposed to both moisture and air. looks at wharfs and pier were the wood is submerged in the water (that portion does not rot), the only issue is at the water line where the wood is exposed to air. typically if you slope the concrete on the top of your concrete so that it sheds or drains the water you should be fine. but everything in time does fail. I'd use ground contact rated preservative treated wood, or naturally weather durable wood species.

another thought is that standoff metal connectors provide a means of code compliant construction that can be easily disassembled to replace members should they fail, you cannot easily accomplish this if your post is embeded.

if it were mine I'd use 6x6 if preservative treated, less potential for twisting of the posts

either ither
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Old 05-13-2013, 12:06 PM   #20
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Building Free standing Pergola over existing deck, need some help...


Ahhh, I see. I think we will go with the brackets
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Old 06-15-2013, 10:43 AM   #21
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Building Free standing Pergola over existing deck, need some help...


Well I think we have decided to go with a 10 x 12 hard top gazebo from Menards. We both like the idea of having a screen for bugs. Unfortunately, I haven't quite figured out how to keep them from coming up through the decking. :/

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