Browse Forums Owner Builder Forum Re: Setting steel house posts in deep concrete footings 2Jan 04, 2020 3:47 pm The Harder You Try - the Luckier You Get ! Web site http://www.anewhouse.com.au Informative, Amusing, and Opinionated Blog - Over 600 posts on all aspects of building a new house. Re: Setting steel house posts in deep concrete footings 4Jan 04, 2020 7:51 pm Designer,Engineer (Civil,Const & Envir),Builder,Concrete & Masonry Contract.Struct Repairs Re: Setting steel house posts in deep concrete footings 8Jan 04, 2020 9:56 pm Designer,Engineer (Civil,Const & Envir),Builder,Concrete & Masonry Contract.Struct Repairs Re: Setting steel house posts in deep concrete footings 11Jan 05, 2020 7:44 am Designer,Engineer (Civil,Const & Envir),Builder,Concrete & Masonry Contract.Struct Repairs Re: Setting steel house posts in deep concrete footings 13Jan 05, 2020 8:42 am Yes that may be correct, but the certified engineering details has changed and will require re certification, amendments and an engineers signature/stamp? eg, certified Engineering Plan and details Hence my above reference to checking with the Councils Building Department Surveyors Carpenters or builders can not alter structural elements because it's convenient for them to erect or they didn't allow for that engineers detail in the quote. These problems always comes back and bite the OB on the rear. And with Council Building depts now taking a harder line on structural non compliance.. I recommend you do it correctly and avoid structural repairs or worse pulling it down OT Details should always be read in conjunction with Architectural drawings Otherwise everyone replying is guessing , eg, how high are the columns,etc "The better the information given the better the reply" my2c 1. Start a post on your build 2.Put up the architectural Drawings ie Floor plans ,Elevations,etc 3.Tag in the experts, there are many that give generously 4.It becomes a permanent record in the event of future issues and helps other 5.6.7 Cheers Chris Designer,Engineer (Civil,Const & Envir),Builder,Concrete & Masonry Contract.Struct Repairs Re: Setting steel house posts in deep concrete footings 14Jan 05, 2020 10:45 am Rozz StructuralBIMGuy Rozz I have read that the concrete cold joint (two pour method) can be structurally OK if rebar dowels are inserted. That is if they remember to insert the reinforcement and yet another issue? Here make sure structural concrete elements are properly inspected and certified Inspections structural stages. hth BTW photos do help others Like ⋅ Add a comment ⋅ Pin to Ideaboard ⋅ Here’s an image if it helps. Steel base plates on posts in deep footing. Carpenter wants to do two pours so we can sit the posts on the first pour. I don’t trust two pours but am told rebar will solve the problem. Two pours is out the question unless you are given a design by the engineer to do so. Always get the engineer to provide a design that is certified. Here in VIC we now need to send these designs to the building surveyor for approval and update the stamped drawings. So be sure you comply to what is required, your builder should know. MC Registered Building - Always happy to help where I can and simply loves the game. DM me if you need help in VIC. Re: Setting steel house posts in deep concrete footings 15Jan 28, 2020 2:12 pm As said above contact the engineer and get them to re specify this as a chem set fixing as the method he has highlighted is the strongest but not the most practical, even if you suspend it well, the pouring of concrete may stuff up your set out marginally throwing out structure. Chem set fixing will involve pouring your footing to the required height, and just bolting the post down at the top. Generally engineers don't like to specify chem set fixings as there may be concerns around uplift forces, but I am yet to see this being an issue on projects I've done. Re: Setting steel house posts in deep concrete footings 17May 27, 2020 12:22 pm - Excavate to 1700mm - Pour 200mm concrete - Use 20mm non shrink grout - Bolt down base plate and post to your structural engineers spec - Pour the rest of the footing Two pour to 700mm might work as well but you need to confirm if cold joint is allowed with your structural Engineer. Re: Setting steel house posts in deep concrete footings 18May 27, 2020 12:41 pm What is your foundation design? How those posts are supposed to be linked together? With timber or with concrete? I would be second to saying that you would need to create your bearings first, prop them, attach posts to the bearings at the right height and then pour the footings with the posts being already inside them. 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