CALIFORNIA STATE EDITION
A Supplement to:
October 23 2022 Vol. III • No. 22
“The Nation’s Best Read Construction Newspaper… Founded in 1957.” Your California Connection – Sharon Swanson – 1-760-518-4336 – sswanson@cegltd.com
Crews Scale Mountainous Terrain to Complete Project By Irwin Rapoport On the Caltrans North Sherwin Shoulders Project, the design required altering the existing cut and fill slopes and adding retaining walls, all of which required extensive earthwork. Powell Constructors turned to a Volvo 235ECR hydraulic excavator to execute a critical part of the job.
CEG CORRESPONDENT
Powell Constructors Inc. began construction of the California Department of Transportation’s (Caltrans) $21.4 million North Sherwin Shoulders Project in April 2021 in mountainous terrain more than 7,000 ft. above sea level on the east side of the Sierra Nevada mountain range. The project, which spans from 2.4 mi. south of Lower Rock Creek Road to 0.3 mi. north on U.S. Highway 395 at the top of Sherwin Grade in Mono County, features the widening of 5.4 mi. of shoulders that range from 2 to 4 ft. to a consistent 10 ft. of shoulder throughout the construction area. The upgrades will help to increase safety and decrease the number of traffic incidents on the highway. In addition to widening the paved highway shoulders to 10 ft. and improving sight distances around curves, crews also are installing retaining walls, flattening soil slopes next to the highway, replacing or installing guardrails, upgrading drainage systems, installing skip rumble strips between travel lanes and shoulders and adding a bicycle right turn pocket at U.S. 395 and Lower Rock Creek Road. This project is anticipated to be completed by the end of October. “To accommodate the wider shoulders, the project design required altering the existing cut and fill slopes and adding retaining walls, all of which required extensive earthwork,” said Mike Powell, president of Powell Constructors. “The earthwork was done with excavators and bulldozers that included a Volvo 360 excavator and a John Deere 450 bulldozer. There was no blasting.” see MOUNTAINOUS page 10
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