![]() ![]() I really want to go Insuldeck but maybe I save that for another post. This is why I'm trying to come up with some type of crude spreadsheet to help me calculate all the variations. Hollowcore could span quite a lot and I could always go up to a 10" or 12" slab and then need less columns. Let's say this is a 60x36 square footprint with 12' spacing.ġ) any kind of estimate I can plug in for how much a grade beam costs per sq ft? I think I have two options, they have to form it above ground OR I can bring in fill dirt(that I will need) and then just use the dirt to form it.Ģ) a 12x12 or 16x16 10' high concrete column? say a 6x4 matrix, so 24 columns?ģ) avg tie beam per linear ft cost to connect those piles or columns ? I get that until I design the whole house and the engineer tells me how high they need to be that that will affect cost, but whether it's a 16 or 20" beam, aside from the cost of concrete and steel, I'm assuming the labor to build/set the forms is the majority of the cost?Ĥ) Cost per sqft to build simple concrete block breakaway walls in between the piles/columns. I'm still waiting on soil borings to determine whether I need piles or not, or if I would still want piles anyways being so close to the water.įor the ground floor, I see my options asĪ) Piles, let's say 40', 10' sticking out of the ground then tie beams connecting the tops.ī) Piles, all 40' in the ground, then a grade beam connecting them, then 10' columns on top of the grade beamĬ) Any other foundation type I'm missing that gets me some supports up to a 10' high where I build the 1st living floor? For ex, I did get a rough ballpark estimate for $10sqft for delivered and lowered into place 8" hollow core slabs, of course, assuming the columns and tie beams are there to place them on. I get that estimates are hard and one really needs plan, I'm just look for very crude ballpark numbers to plug into a spreadsheet to help me get an idea of what direction to go. Then once I've got tie beams up, I could then just drop hollowcore slabs and start building my house from there, or maybe while they are doing the tiebeams, I use something like insuldeck instead. Originally, I was thinking the ground floor would be ICF but now maybe not since ICF isn't considered breakaway, so now trying to get estimates on how much columns are, then tie beams and breakaway walls (concrete block, I really don't want any wood near the ground). I'm wanting to build a 3 story ICF house. All the other lots in the neighborhood are AE and I see standard stem wall/monolith CBS wood construction. But then I'm told, I'd be smart to still have them anyways. My understanding is if I build now, I have to have all breakaway walls on the ground floor, but if I wait till next spring, then I don't. The lot is currently zoned VE, but is changing to AE next spring. Finally starting to design my dream house in sw fl.
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