Provost & Pritchard Announces Full-Service Caves & Tunnels Team

Press Release: July 7, 2022

SONORA, CA: Provost & Pritchard Consulting Group is pleased tocaves and tunnels team in front of finished tunnel introduce our Caves & Tunnels team.

The Caves & Tunnels team is new to Provost & Pritchard and brings an expansive portfolio of more than 350 cave and tunneling projects over the past 30 years. These include wine caves and winery buildings primarily in Napa, Sonoma, and San Luis Obispo counties, as well as water supply, hydroelectric and tunnel projects in the Sierra Nevada Mountains and foothills.

“This is an exciting new area of services for Provost & Pritchard,” said Ronald J. Samuelian, President. “Scott and the team are passionate about serving their clients well and have decades of experience delivering successful cave and tunnel projects.”

The Caves & Tunnels team includes geotechnical engineers, engineering geologists, geostructural engineers, hydrogeologists and support staff.

Scott Lewis, PG, CEG, is the Principal Tunneling Consultant. Scott is the premier wine cave designer and consultant with more than 35 years of project work specifically related to wine caves and tunnels. His work includes, geologic evaluations and investigations, tunnel and cave evaluation and design, construction support, existing tunnel rehabilitation, slope stabilization and other consultation services.

“Our team is very pleased to be a part of the P&P group, which provides a wide range of engineering, environmental and business resources that greatly enhance our ability serve our clients’ needs,” says Scott.

Andrew Kositsky, PE, GE, is our lead design engineer for tunnel, wine cave, dam, retaining wall and shoring projects. He is responsible for preparing geostructural design submittals and geotechnical engineering studies and has more than 30 years of experience in geotechnical investigations, foundations, slope stabilizations, tunnel and shotcrete wall designs, and related work.

Kate (Lewis) Gabriel, GIT, is our Associate Geologist that supports the team with surface and subsurface geologic investigations, coordinating field activities and subcontractors, tunnel excavation and support installation monitoring and documentation, working with clients and other team members during design and construction to resolve constructions issues.

Kim Tarantino serves the team as a senior project administrator and is responsible for assisting with client and project management, coordination of all aspects of our cave and tunnel projects from submittals to design and field services, preparing documents for construction contracts, monitoring and tracking deadlines, and all aspects of administrative support from feasibility to construction management.

Vintners throughout California, Oregon, Washington and Texas are among clients who have turned to this team to literally dig in and make their visions come to life.

For more information, as well as information on career opportunities with the firm, visit or email