Tuesday, April 28, 2015
FAIRFIELD-SUISUN, CALIFORNIA
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Artists with trowels transform highway wall

Jameson wall sculptures 7_23_14

Workers sculpt a wall along Highway 12 on Jameson Canyon, Wednesday. The wall, built by the San Juan Capistrano-based Boulderscape, is intended to look natural and blend in with the surroundings. (Robinson Kuntz/Daily Republic)

By
From page A1 | July 24, 2014 |

FAIRFIELD — Highway 12 through Jameson Canyon is getting a sculpture on a huge scale, basically an entire hillside.

It’s one of Solano County’s biggest pieces of artwork – perhaps the biggest – but it isn’t gaudy or flashy. The goal isn’t to create something never seen or imagined before.

Workers are wrapping up a project that keeps a massive, three-tier concrete retention wall along a half-mile of Highway 12 from looking like a concrete wall. The crew from San Juan Capistrano-based Boulderscape uses trowels to make the cement look like rock, a transformation completed as the wall gets stained brown.

In effect, the Boulderscape crew’s task is to make the unnatural look natural. The workers are laborers in one sense, but California Department of Transportation Senior Transportation Engineer Elias Moussa sees them as something more.

“They are artists,” Moussa said Wednesday as he walked along the construction site.

Caltrans cut alway a large section of the hill to make room for a four-lane version of Highway 12. That three-tier retaining wall is 130 feet tall at the highest point, with sections of 20 feet, 55 feet and 55 feet. Since Caltrans had the retaining wall created from the top down, the upper sections were textured to look like rock months ago and are by now a familiar sight to motorists.

Workers on Wednesday worked on the lowest section, which at this point is out of sight from traffic.

A five-person crew sculpted the last 4-inch layer of the 1-foot-thick retaining wall, following fast behind workers who sprayed the final layer of concrete onto rebar. A couple of the workers made swipes with trowels to create the rocky look, with other workers then finishing up with brushes and knives.

“It’s kind of a fractured-granite look,” said Todd Presho, the vice president of Boulderscape and art director for this project. “It’s done freehand. There’s no drawings or forms we use. It’s all done out of our imagination.”

And done quickly. The wet concrete hardens in about 40 minutes to an hour. The workers are in aerial buckets with their faces close to the wall, so they don’t see the big picture of what they’re doing. They have to get it right the first time.

They sculpt the rocky appearance, trying to create something pleasing to the eye. But they can’t be overly repetitious in their work.

“You’re trying to duplicate nature, which isn’t easy,” Presho said.

Altogether, Boulderscape is working on a piece of artwork that covers 200,000 square feet. This is large-scale sculpting.

“A helluva large scale,” Presho said.

It’s all part of the Highway 12 improvement project that began in spring 2012 and is to be finished in early September. Caltrans is changing the highway from a rural, narrow, two-lane road to a four-lane road with a concrete median barrier. The project extends 6 miles, from Interstate 80 in Solano County to Highway 29 in Napa County.

What Moussa called a “mini-milestone” is scheduled for Aug. 1 and it is to take place in part along the retaining wall.

Presently, eastbound and westbound drivers both use a two-lane section of road on top of the first retaining wall tier. But ultimately, these two lanes will take westbound drivers only. Eastbound drivers are to use two lanes recently paved at the base of the first retaining wall tier, 20 feet lower at one point.

Drivers will get a taste of this future beginning Aug. 1. Caltrans intends to open one lane of the lower, eastbound section and keep one lane of westbound traffic on the upper section. This will create space for workers to put the finishing touches on each section of the roadway by using the two closed lanes in each direction.

Once this traffic switch happens, eastbound drivers will get to see Solano County’s newest, massive piece of art from bottom to top.

Reach Barry Eberling at 427-6929 or [email protected] Follow him on Twitter at www.twitter.com/beberlingdr.

Barry Eberling

Barry Eberling

Barry Eberling has been a reporter with the Daily Republic since 1987. He covers Solano County government, transportation, growth and the environment. He received his bachelors of art degree from the University of California, Santa Barbara and his masters degree in journalism from the University of California, Berkeley.
LEAVE A COMMENT

Discussion | 6 comments

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  • DaveJuly 23, 2014 - 8:57 pm

    AVAR Construction is very proud of this project and to have hired the best sculpting subcontractor to prove our work. To set the record straight, Ghilotti Construction excavated the hillside, then AVAR Construction drilled over 500,00 LF of Soil Nails and over 200,000 SF of ShotCrete to hold the hillside up. Once the hillside is secure AVAR then shot the final structural wall while Boulderscape sculpted. The best contractors always team with the best sub-contractors to put together great projects.

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  • RJuly 24, 2014 - 2:03 am

    How much is it costing us for this "art"?

    Reply | Report abusive comment
  • CD BrooksJuly 24, 2014 - 5:37 am

    Most projects where the walls are required have taken on this type of finishing touch, looks good.

    Reply | Report abusive comment
  • PornacJuly 24, 2014 - 7:38 am

    This a communist effort to keep the workers employed while the government makes us their slaves.

    Reply | Report abusive comment
  • antiBLOBJuly 24, 2014 - 7:30 pm

    Oh yeah, regular Michelangelo masterpiece.

    Reply | Report abusive comment
  • Sandra StenmanJuly 25, 2014 - 9:58 pm

    I appreciate the article describing what has been done and how it was done. I love that it looks more natural than just plain concrete. I can't wait to see how it looks when it finally rains, especially the one area that looks like a waterfall. And of course so happy there are barriers now between the lanes. It was always a tense drive through the canyon. Thank you all:):)

    Reply | Report abusive comment
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