A Concrete Subcontractor Cut Estimating Time 70% on Heavy Packages
Detailed rebar, formwork, and placement takeoffs delivered in hours — not days — let a busy concrete sub bid more aggressively.
About the Client
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Granite Line Concrete
Granite Line Concrete is a self-performing concrete subcontractor working on commercial foundations, structural slabs, and tilt-up panels across the Southwest. Their estimating depended entirely on one senior estimator with thirty years of field experience.
Client
Orbital
Industry
Concrete Subcontracting
Year
2025
Services
Concrete & Reinforcement Takeoffs



"
The rebar takeoffs alone paid for themselves. I price the job in an afternoon now instead of losing two days to measuring.
Ray Okafor, Senior Estimator at Granite Line Concrete
The Challenge
Heavy concrete packages are punishing to quantify. A single structural slab bid meant separating concrete volumes by mix design, counting rebar by bar size and length, calculating formwork contact area, and accounting for embeds, waterstops, and finishes.
With everything routed through one estimator, Granite Line could only chase a fraction of the work available to them. When he took vacation, bidding stopped entirely.
70%
reduction in takeoff time
1.9x
more packages bid monthly
98%
rebar quantity accuracy
The Solution
EstimatesPro built Granite Line a repeatable takeoff template: concrete by mix and placement type, reinforcement broken out by bar size with bend and lap allowances, formwork by contact area, and a separate schedule for embeds and accessories.
Each package was returned in a consistent format their estimator already trusted, letting him move straight to pricing and productivity rates instead of spending two days with a digitizer and a calculator.
Results & Outlook
Takeoff time on heavy structural packages dropped roughly 70%. The estimator's deep pricing knowledge was no longer trapped behind hours of measurement, and Granite Line nearly doubled the number of packages it could pursue each month.
The reinforcement detail in particular tightened their numbers — fewer surprises in rebar quantities meant fewer eroded margins after award.
End Note
Specialty trades live and die on the accuracy of their quantities. Pairing field-tested pricing with fast, precise takeoffs gave Granite Line the best of both.


