The California Underground Facilities Safe Excavation Board was created by the Dig Safe Act of 2016 (Chapter 809, Statutes of 2016) to investigate accidents, develop excavation safety standards, and coordinate education and outreach programs.


The California Underground Facilities Safe Excavation Board improves public and worker safety by facilitating communication and learning among excavators and the operators of subsurface installations and by investigating accidents to determine their causes.

Member Bios

Jessica Arden photo

Jessica Arden, of Woodland Hills, has been city engineer for the City of Westlake Village since 2017 and was deputy city engineer from 2016 to 2017, serving in these positions on contract with Willdan Engineering. She served in several positions for the City of Santa Monica from 2009 to 2016, including water resources engineer and associate engineer. Arden was a senior design engineer at Willdan Engineering from 2005 to 2008. Arden was appointed by Governor Brown on December 18, 2017 and voted Chair by the Board on January 9, 2018



Vince Bernacchi photo

Vincent Bernacchi, of Davis, has been president at Schetter Electric Inc. since 2006, where he has held several positions since 1976, including vice president, project manager, estimator, foreman electrician, journeyman electrician and apprentice electrician. Bernacchi was appointed by Governor Brown on December 18, 2017.




Ron Bianchini photo

Ron Bianchini, of Knightsen, has been chief operations officer at Preston Pipelines Inc. since 2011, where he was area manager from 2009 to 2011. He was president and chief executive officer at Delta Excavating Inc. from 1989 to 2009, vice president at Tri Valley Excavation Inc. from 1986 to 1989 and co-founder at B&P Excavating Inc. from 1979 to 1985. Bianchini was appointed by Governor Brown on December 18, 2017.



Randy Charland photo


Randy Charland, of Camarillo, has been involved in the Underground Utility Locating/Damage Prevention industry for over 27 years. Charland began his career with Underground Technology, Inc., (UTI) in 1989 as an Underground Utility Locator marking electrical facilities and communication lines. Charland grew rapidly with UTI, locating all types of utilities and advancing to Field Supervisor, Branch Manager and District Manager over the next six years.

In 1996, he was promoted to Manager of Operations Support, which required him to relocate to UTI’s headquarters in Ventura, California. In this new role, Charland traveled for the company, opening new branch offices in Glendale, Arizona and Reno, Nevada. Later that same year, Charland was elected to serve as a Board Member for Underground Service Alert of Southern California.

In 2003, Atlanta-based UtiliQuest, LLC acquired UTI. Shortly after that, Charland was promoted to Director of Risk Management-California where he worked closely with damage investigators and field auditors to improve quality and where he made damage prevention his primary focus. In 2005, Charland played an active role in the formation of the California Regional Common Ground Alliance. In 2007, he was elected to serve as a Board member for Underground Service Alert of Northern California. Charland currently holds the position of UtiliQuest’s Senior Director of California. Charland was appointed by the Senate Rules Committee on September 19, 2017.


Marjorie Del Toro photo

Marjorie Del Toro, of Foothill Ranch, is the President and CEO of ehs International, Inc., a nationally recognized company specializing in environmental health & safety. Since the workplace death of her uncle and permanent disabling of her mother, she has pursued a career dedicated to improving the workforce safety environment so that others would not suffer such losses. Since 1997, the experienced field personnel of ehs International, Inc. have innovated safety education by bringing an understanding of today’s multi-generational workforce and adapting technological advances to the construction industry, and, in 2015, the company was identified by the Orange County Business Journal as one of the fastest-growing. 

Del Toro is a member of the Associated General Contractors of California (AGC-CA) Safety and Health Committee and its Construction Education Foundation, whose mission is to establish construction as a viable career option for college students and to promote the development of construction careers. She has received numerous awards from AGC-CA, including the 2016 Associate Achievement Award, the 2011 Construction Safety Excellence Award, and the 2007 Associate Member Contribution to Industry Safety Award.

Her work in safety has been featured in the Orange County Business Journal, California Constructor, and the Critical Mass for Business Radio Show.

Del Toro also has extensive knowledge in the water quality and wastewater industries, receiving the Spotlight Award from the Santa Ana River Basin Section of the California Water and Environment Association, and served as its president from 2012 to 2013. She oversaw the association’s education safety programs and contributed to OSHA standards development and water pollution control safety record improvement.

Del Toro was appointed by Governor Brown on December 18, 2017.


 Bill Johns photo

Bill Johns, of Huntington Beach, has been vice president at Utility Coordinating Inc. since 2014. He was principal project manager at SPEC Services Inc. from 1990 to 2014, vice president of the Civil Department at International Consulting Engineers from 1988 to 1989 and a terminal engineer at Kinder Morgan in 1987. Johns was a public works engineer for the U.S. Navy from 1985 to 1987 and was a construction field engineer from 1980 to 1985 at Healy Tibbitts and Dillingham Construction. Johns was appointed by Governor Brown on December 18, 2017.



Marshall Johnson photo

Marshall Johnson, of Inglewood, has been area manager of network process, quality compliance and damage prevention at AT&T since 2000. He held several positions at Pacific Bell from 1979 to 2000, including area sales manager, area development manager, marketing center manager, revenue advisor and account executive. Johnson was appointed by Governor Brown on December 18, 2017. 



Carl Voss photo


Carl Voss, of Bakersfield, has been land manager at Grimmway Enterprises Inc. since 1995. He was grower relations representative at Mike Yurosek and Son Inc. from 1989 to 1995 and assistant plant manager at Dole Fresh Fruit Company from 1986 to 1988. Voss was appointed by Governor Brown on December 18, 2017.