Quantity Takeoff
Concrete (CIP) Takeoff
Cast in Place Concrete (CIP) Takeoff Overview
Concrete is widely used in residential construction today and the accurate estimation of concrete quantity is a significant portion of the residential quantity takeoffs for a home structure. Cast-in-Place Concrete refers to the delivery and jobsite placement of ready-mix concrete for concrete foundations or slabs, driveways, sidewalks, patios, and floors.
What do you Get?
You will receive editable Excel Spreadsheet Material lists with a detailed breakdown of the quantities and usage within the model. With Archidiem, you get 3-in-1 Reports automatically.
In addition, you will receive color-coded markups of your PDF plans useful for auditing the areas we considered for your takeoff.
Exterior Flatwork: Driveways, Patios, and Sidewalks
Ready-mix is routinely used for poured concrete flatwork of these types. For concrete driveways, patio slabs, and sidewalks, a pour of 4 inches in thickness is typical. This thickness is in addition to a 2-3 inch base of gravel, sand, limestone, or another aggregate (this base is not included in our concrete quantity takeoffs).
Interior Flatwork: Garage Floors and Interior Floor Slabs
The 4-inch pour of a standard slab is recommended for both garage floors and interior floors. For both interior floors and garage floors, the minimum strength recommendation is 2,500 psi, however, similarly to exterior slab projects, an ideal standard is 4,500 psi, especially for garage floors which must sustain much more wear and tear and heavy machinery.
Foundation Walls and Footings
Foundation walls are typically basement walls but also include foundation stem walls that extend from the top of a footing to the bottom of a wood-framed floor and enclose a crawl space as shown here.
Foundation walls typically range from 6” to 12” in thickness depending on several variables. These variables include:
- The height of the wall,
- The site’s soil classification, and
- The height of any unbalanced backfill.
Foundation wall thickness must also be at least equal to the width of the supported wall above. A structural engineer would consider lateral loads as well as loads from the structure above. Even concentrated loads from columns and beam pockets within a wall must be considered. If you would like us to value engineer your home’s foundation, let us know!
Foundation walls, posts, columns, and piers bust be supported on footers that are of sufficient design to support safely the loads imposed, as determined from the character of the soil. For masonry or concrete foundation wall construction, the minimum reinforced concrete footing thickness is typically a minimum of 6 inches. Reinforced concrete footings for pier foundations are placed level on firm undisturbed soil of adequate bearing capacity and below the frost penetration depth.
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