Concrete Takeoff for Sitework
Concrete takeoff measures curb, sidewalk, pads, ramps, and reinforcing quantities from the site plans and details. CivilTakeoff provides area, length, and count tools, with pay-item conversions for the units you need. Separate the detail types and thicknesses before combining quantities, and review the results against the bid schedule.
Curb and gutter
Measure curb runs in linear feet (LF) by detail type and use the full section dimensions to calculate volume. Follow curves when measuring length. Keep curb-and-gutter, mountable curb, and other sections separate because one length-to-volume factor will not represent every detail.
Sidewalk and pads
Measure flatwork in square feet (SF) or square yards (SY), separated by thickness. Area times depth gives volume, which can be converted to cubic yards (CY). Measure base material separately where it is included in the detail, and deduct openings or exclusions from the appropriate layer.
Ramps and driveway aprons
Count ramps by type and use the payment unit shown in the bid schedule. Measure detectable warning surfaces and adjoining flatwork separately where required. Use the detail and scope notes to assign concrete, base, and accessories to the items that include them.
Reinforcing and accessories
Use the reinforcing schedule and details to identify bar sizes, counts, and lengths. Account for specified laps, bends, and hooks that are not already included in the listed lengths. Keep dowels, joint material, and other accessories separate from the concrete volume so their quantities remain visible.
Example: curb length to concrete volume
For an example quantity conversion, a 324 LF curb run has a rectangular section 6 inches wide and 18 inches deep. Section area is (6 ÷ 12) × (18 ÷ 12) = 0.75 square feet. Volume is 324 × 0.75 ÷ 27 = 9 CY. Assign 324 LF to a length-based curb item or 9 CY to a volume-based item according to the bid schedule. These example dimensions illustrate arithmetic, not a curb design.
Frequently asked questions
Is curb measured in LF or CY?
Use the bid item’s unit. LF describes the run; CY describes its material volume. Keep the section dimensions with the measurement so the volume conversion remains traceable.
Can I get sidewalk volume from its plan outline?
The outline gives area. Enter thickness from the slab detail to calculate volume, and separate thickened edges or pads whose sections differ from the main sidewalk.
How do I keep ramps out of sidewalk totals?
Draw the sidewalk boundary up to the ramp limits, or deduct the ramp footprint. Count ramps separately when paid each, and measure their concrete separately when the schedule requires volume.
Measure and organize this scope
In CivilTakeoff, set the scale and create a condition, or measurement group, for each curb detail or slab thickness. Trace curb runs, measure slab areas, and count ramps manually. Attach pay items and enter section dimensions or thicknesses for conversions. Deduct ramp and apron footprints from adjoining flatwork where they overlap, then export the item totals to Excel.
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