Calculate comparable volume
Use the same net cubic-yard requirement and documented ordering allowance for each quote.
Separate concrete volume from base, reinforcement, forms, finishing, and curing unless a quote explicitly bundles them.
Normalize delivered concrete
Delivered concrete subtotal = ordered cubic yards × quoted unit price plus applicable delivery-related charges.
Record minimum-load or short-load charges explicitly.
Compare full scope
Add pumping, waiting time, special mix, fibers, accelerators, or other quoted extras only where applicable.
Compare tax treatment consistently.
Check exclusions
A quote comparison is useful only when inclusions and exclusions match.
Confirm quote validity, delivery window, cancellation terms, and project-specific requirements with the supplier.