The 25 caissons are finally drilled, set with rebar and ready for concrete (coming tomorrow- more pics after they pour). This is what it takes to hold a 2 bedroom, 2 bath, 1600 square foot luxury treehouse 40 feet in the air.
The picture below shows how the contractors had to dig down to bedrock, drill into the rock (you can see the rock dust around the rebar), and set the rebar into the rock for this engineered foundation. VERY complicated.
The surveyors had to come out once to mark the foundation, again after the tubes were set to confirm the foundations, and then will come back one more time after the concrete is poured to determine the exact height of each of the steel beams that will hold up the treehouse. One reason why this is a very expensive way to build a tree house!
More updates next week on the concrete pour. The steel should be going up by early November, so we’ll see some real progress then. Exciting times!
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