Rock Scaling and Blasting Services

This subcontract for Rock Scaling and Blasting Services involves the removal of loose or unstable rock from slopes for prime contractors on Caltrans District 10 projects located in Mariposa County. The scope of work includes manual and mechanical rock scaling as well as controlled rock blasting to ensure the stability of rock faces. To complete these tasks, the contractor will utilize specialized drilling equipment for blast holes, blasting agents, and scaling machinery to deliver a stabilized rock face cleared of all loose debris. The project falls under NAICS code 238910 and is associated with Caltrans District 10 in Stockton. A critical requirement for this contract is that the provider must hold a valid California State License Board Licensed Blasting Contractor license. The opportunity was posted on June 25, 2026.