4LEAF Environmental Projects

Richmond Field Station Site Remediation

Richmond Field Station Site Remediation

Since 2002, 4LEAF has provided the University of California at Berkeley (UC Berkeley) with Construction Management and Engineering Support services for the on-going environmental remediation project at the Richmond Field Station (RFS) in Richmond, CA.  The RFS is...
Caldecott Tunnel Portal No. 2 Improvements Project

Caldecott Tunnel Portal No. 2 Improvements Project

4LEAF provided environmental support services to Tutor-Saliba during the construction of new Caldecott Tunnel Portal Number 2 project in Contra Costa and Alameda Counties, CA.  Services provided include collecting waste characterization samples of tunnel spoils and...
Clark Kerr Campus SWPPP Support Services

Clark Kerr Campus SWPPP Support Services

4LEAF provided the University of California at Berkeley (UC Berkeley) Capital Projects’ Department with Storm Water Pollution Prevention Plan (SWPPP) services for the multi-phased Clark Kerr Campus Renewal Project on the UC Berkeley campus in Berkeley, CA.  The Clark...