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Now here’s a good application for one of the plank-type ICF systems like Lite Form. Forming this job with ICF would be a breeze. You could even pre-cut everything in the shop if you wanted. You could assemble it in the shop if it would fit on a truck, drop it on the footing, brace it, drop in the vertical steel and pour it full. The only tricky thing I can see about it is bracing the forms against the existing foundation. Perhaps you could wire it from some pins in the existing to the vertical rebar in the pour.
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I've got a client who wants an 2-story turret at the corner of her future home. (5 facets of the turret will show). My first assumption for the foundation was to simply follow the outline of the walls but does this make for a difficult foundation wall? Has anyone done this? Thanks.
*5 sides .... 8 sides... round..no big deal for a good foundation sub and a GC who can do layout..give em some points on the plans that they can pull to so's they can verify their field measurements
*Mike, Thanks. She just dropped by my office at lunch. The turret-idea was from a home she described that she drives by. I asked if she could introduce herself and then go into the crawlspace with a tape measure. Luckily she knew I was joking. DH
*Had a landlord in the 'hood do that two years ago to one of his houses. Don't know who approved it at P&Z or protective inspection, but it didn't work. Coulda been design (2-story turret on a 2-story 4-sqr house), coulda been fenistration (little-bitty [say it with a quickly rising voice] and mis-matched windows), coulda been performance (hand-made foundation forms blew out and buckled--foundation thichness varies by 10 [count 'em] inches). Na, the guy's a jerk--it was cosmic retribution. It's still standing though.
*did ajob last fall.two radius turrets with a straight wall between them.had only one right angleto layout with.the house is shaped like a heart.1/4 '' out of square. any job can be done with a little patience and know how.
*Darrell, I just finished the octogon foundation wall on my own house. I laid five courses of 12" block and topped it with 4 courses of 8" block. Each length was 64". Yes it was difficult, but would be a piece of cake for an experienced block layer. I hacked it up pretty good on the lower levels, but stroked right along on the last few courses. Luckily, mud will patch anything!I would suggest a little longer side dimension, maybe 65". The 64" is a nice theoretical length, but seemed to grow, or somehow crowded out the edge og the block as I turned the corners.You could always form and pour it.blue
*Now here's a good application for one of the plank-type ICF systems like Lite Form. Forming this job with ICF would be a breeze. You could even pre-cut everything in the shop if you wanted. You could assemble it in the shop if it would fit on a truck, drop it on the footing, brace it, drop in the vertical steel and pour it full. The only tricky thing I can see about it is bracing the forms against the existing foundation. Perhaps you could wire it from some pins in the existing to the vertical rebar in the pour.
*darrell, i own symons steel ply forms.with the accessories availiable you can pour any dimension you want.on the job i described before all dimensionsof the radiuses were held for wall length withina 1/8".if you find a contractor with the steel ply his supplier will design the turret layout planaccordingly