City Engineering

City Engineering

CalRecycle - City of Riverside Rubberized Asphalt Project

BEFORE CONSTRUCTION: Cleveland Avenue (Jackson Street to Irving Street) Enlarge Photo

BEFORE CONSTRUCTION: Harrison Street (Dufferin Avenue to End of Street) Enlarge Photo

AFTER CONSTRUCTION: Adams Street (Dufferin Avenue to Gage Canal) Enlarge Photo

AFTER CONSTRUCTION: Monroe Street (Dufferin to Gage Canal) Enlarge Photo

  • Cleveland Avenue
  • Harrison Street
  • Adams Street
  • Monroe Street

Project Summary

As part of the City’s Three Year Pavement Preservation and Rehabilitation Program, the City recently completed 6.8 miles of preservation utilizing an Asphalt Rubber Aggregate Membrane (ARAM) technique. This method not only provides a cost effective way to extend the useful life of the street but also promotes recycling markets by utilizing a resurfacing product derived from waste tires generated in California.

The City of Riverside Public Works Department (City) acknowledges the Department of Resources Recycling and Recovery (CalRecycle) for providing a portion of the project funding through their Rubberized Pavement Grant Program.

The California Tire Recycling Act of 1989 and Senate Bill 876 enacted in 2000 require CalRecycle, to regulate and manage the 40 million reusable and waste tires generated in the state every year. To minimize the stockpiling and disposal of waste tires in landfills, CalRecycle offers grants of up to $250,000 through the grant program to local agencies for street rehabilitation projects that use a rubberized chip seal.

Project area map

This project utilized the Calrecycle rubberized grant funds and the City’s local Gas Tax funds, on the following eight local streets within the City’s Green Belt. See the above location map for the locations of the streets indicated below. The final construction cost was $570,374.94 of which $92,700 was paid for by the CalRecycle Grant program.

Street Start End Length (FT)
Adams Street Victoria Avenue Gage Canal 6067
Cleveland Avenue John Street
Jackson Street
Adams Street
Myers Street
Irving Street
Gratton Street
Harrison Street Dufferin Avenue
700' SE'ly of Victoria Avenue
End of Street
Cleveland Avenue
Irving Street Victoria Avenue Cleveland Avenue 1375
Jackson Street Victoria Avenue Dufferin Avenue 2753
John Street Victoria Avenue End of Street 4819
Monroe Street Victoria Avenue Irving Street 9842
Myers Street Dufferin Avenue End of Street 2373

The ARAM process applies a thick layer of rubberized asphalt followed by a 3/8 inch stone chip that is then covered with a traditional slurry seal. Cost analysis demonstrated that the ARAM method can reduce rehabilitation cost by approximately 50% while providing a superior membrane to prevent oxidation and water infiltration. On low volume roads, the ARAM is expected to have a life span similar to a traditional street resurfacing. See the above photographs indicating the typical roadway conditions of the existing roadways as well as sample locations photographs of the roadways after the application of the ARAM resurfacing.

The total number of tires utilized for the completion of the ARAM project is approximately 6,677, of which 100% of the tire rubber purchased and used in the project was from California. To find out more about RAC and the State's Recycling Programs, please check out the CalRecycle website.

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3900 Main Street - 4th Floor
Riverside, CA 92522

Phone: (951) 826-5341

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