Local building codes regulate residential and commercial foundations.
Pour concrete footing and wall together.
Traditionally foundations are constructed in two phases.
Osland uses an old school method to place the footing and walls in a single pour.
The site is cleared the excavation was completed with our own equipment and now we have set up and have poured the concrete footers and stem wall for this bonners ferry garage apartment.
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X 8 in 12 in ft.
One concrete pour for the footing and one for the foundation wall with the rebar and often a concrete key to hold them together.
In areas with a shallow frost line and stable soil carefully excavated trenches often serve as footings forms 1 and enable monolithic pours in which footing and wall concrete are placed together.
Footing is placed first using very stiff concrete.
Online blog previous entry 5 03 2016 5 11 2016 footer and stem wall concrete construction next entry 5 17 2016.
The walls are formed with 2x8 lumber stacked on edge.
Stem wall is placed second using wetter concrete so as not to leave voids.
If concrete starts to ooze over the top of the footing move to another spot and let the concrete stiffen before you add more weight on top of it.
On the next day or after firm to firm pressure 3hrs place tube back fill carefully to keep tube centered tamp soil.
Load capacity of footing.
However you may alter this construction standard by pouring a floor and footer at the same time in certain situations.
Without an integrated spread footing form like sonotube tube base or bigfoot i would split the pours.
Concrete foundation wall sitting on a footing weighs or applies a load to the footing of 9 ft.
When you come back to it vibrate the two pours together enough to ensure a good joint but not enough to lift the forms.
Place the rebar a pair of l bars spaced at 7 inches apart will center tube.
X 150 pcf 900 lbs lin.
The key step is keeping an eye on the opening while you pour and vibrate.
The trenches are dug for the footings the footings are built in place the rebar is properly located and then the concrete is poured just for the footing.