Concrete mix design and testing requirements drive the material cost and the quality control, and a subcontractor that does not read them underprices the scope.
What mix design and testing set
A concrete package specifies the required mixes, the strength and durability, and the testing under ASTM methods, including the sampling, the cylinders, and the acceptance. The Division 03 specifications set the mix submittals, the testing responsibilities, and the acceptance criteria the sub must meet.
Why this scope is easy to misprice
The mix requirements, the strength and durability, and the testing responsibilities sit in the Division 03 specifications, not the title. A sub that underreads the mix or the testing carries the wrong material and quality control cost into the bid.
How an AI bid agent flags mix design and testing
An AI bid agent reads each concrete package, flags the mix design and testing requirements, and surfaces the mixes, the strength, and the testing that drive the cost. The concrete sub prices the actual scope.
You can see how the agent reads a concrete package in our AI bid agent demo for specialty trade contractors. It flags the mix design and testing requirements so the material and quality control cost is priced.