Contact Our Road Base Estimating Team
Questions about aggregate gradations, Proctor compaction factors, bulk quarry pricing, or complex multi-lift subgrade preparation? Our civil estimators are here to assist.
Send Us a Message
Have a question regarding complex road base specifications or bulk quarry quotes? Our civil estimating team is ready to help.
📋 Quarry Lab Reports & Technical Corrections Desk
Are you a licensed civil engineer, geotechnical technician, earthwork contractor, or certified aggregate supplier? If you have noticed a local quarry density variance, updated state DOT specification, or regional Proctor moisture curve that differs from our published models, we actively welcome your data.
Send certified quarry scale tickets, ASTM C136 sieve reports, or spec documentation directly to estimator@roadbasecalculator.com with the subject line [Quarry Data / Spec Correction]. Our technical desk audits and updates models within 3 business days. Read our Editorial & Corrections Policy.
What to Include for an Accurate Plan Review
To help our estimating team review your driveway, road, or pad project quickly, please include:
- Project surface dimensions (Length, Width, and planned Compacted Depth).
- Intended traffic load (light passenger vehicles, delivery vans, or Class 8 heavy trucks/RVs).
- Native subgrade condition (firm clay, loose sand, saturated silt, or high water table).
- Preferred local aggregate specification (e.g., Crusher Run / DGA, TxDOT Item 247, Caltrans Class 2, ABC Stone, or Recycled Concrete).