Deep Foundations
Large Diameter Shaft Work
Foundation drilling work represented by company project photography and Zamborelli’s listed large diameter shaft capability.
Projects & Markets
Project experience across public, private, hillside, and infrastructure work.
These entries combine Zamborelli’s published service categories, project photography, and public reporting, with emphasis on the type of work performed and the site conditions involved.
Project context is organized around equipment, site conditions, drilling scope, and documented outcomes.
Limited Access Drilling
Limited Access Drilling Conditions
Restricted-access drilling represented by company equipment photography and Zamborelli’s listed limited access drill rig capability.
Underpinning
Underpinning Work
Underpinning is listed by Zamborelli and supported by company project photography.
Retention Systems
Bluebird Canyon Restoration Context
The Daily Pilot reported Don Zamborelli among the design and construction team recognized after Laguna Beach’s Bluebird Canyon restoration, a major landslide recovery effort.
Rock Bolts
Rock Bolt Stabilization
Rock bolts for repair work are listed by Zamborelli and supported by company project photography.
Soil Nails
Soil Nails with Shotcrete
Soil nails with shotcrete are listed on the original Zamborelli services page as a core shoring and stabilization service.
Slope Repair
La Costa Slope and Retaining-Wall Work
Zamborelli’s original news page includes Union-Tribune reporting that the company was contacted for La Costa slope stabilization work involving caissons, pilings, tiebacks, and retaining-wall construction.