How to Manage Material Price Volatility in Heavy Civil Estimating If you've bid on a heavy civil project in the last few years, you already know the story: the price you quoted for concrete in January isn't the price you're paying in June. Steel fluctuates with global scrap markets. Asphalt moves with the price of oil. And aggregates, once the most predictable line item on your estimate, are now subject to localized shortages that can spike costs overnight. Material price vol