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Al Whitley/3 min read

Understanding Foundation Plan Notes and Details: Exploring Page S101A for Building Part A

Foundation Plan Reading Checklist

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This tutorial walks through understanding foundation plan notes and details: exploring page s101a for building part a, covering essential tools and techniques for your projects.

Let's review page S101A, the foundation plan for Part A of the building. Let's zoom in here and look at the notes. We have foundation notes.

We have the legends. There's one that calls out the top of slab elevation and the top of wall footing.

And then for the actual footings themselves, there's a callout that references page S301 and the spread footing schedule. And then also the elevation callout for the top of the footing. Let's just zoom into this area.

You can see that we have a number of wall sections that are referenced. So this is indicating to look at image 4 on page S302 to see the section that is cut through here, looking to the left. Another section going through this wall here, looking to the left.

Another section going through this wall here, looking up. You see that we have a footing right here. It references F4.0 on the footing schedule.

And the top of the footing is minus four feet four inches. Many other sections are cut through here. You can see that the elevation here is also minus four feet four inches.

We have a footing here, one here, and a very large one here. There's a grade beam that connects this footing to this footing. It's grade beam number 28.

We have footing number 8.0 on the schedule right here. Again, the actual dimensions for the footing will be called out on the schedule. We have control joints that are going from column to column.

And this is where we actually encourage the concrete to crack so that we don't have random cracks in the concrete. We have control joints here on the angles surrounding the columns. We have a reference to detail on sheet S203, image 5. This is the elevation of the actual slab.

More footings, grade beams between different footings. There is a section here and a large slab here.

Detail references here. Elevation heights are called out here. One of the important things to remember is that the foundation plan is schematic.

These footing sizes that are drawn are representative of the overall size of the footings. However, the actual sizes are called out on the footing schedule. And we have a lot of references to the details or sections in this particular drawing.

So again, please spend some more time reviewing this drawing. And I look forward to being with you in our next video.