Old tires get put to use in Carlsbad streets

CARLSBAD — Worn-out tires are rolling out on the streets of Carlsbad as part of a recycling program’s pavement ingredient. A portion of the funds for this project was made possible by a $130,000 grant from CalRecycle.
The repaving, estimated to start in late November, will involve 11 lane miles and is expected to take two months to complete.
The streets, located in the southeast corner of the city, will include Levante Street, Camino de los Coches, Calle Timiteo, and a segment of El Camino Real.
 “CalRecycle’s tire grant programs are designed to encourage activities that reduce the number of waste tires going to landfills for disposal and eliminating the stockpiling of waste tires,” said Jon Schauble, associate engineer of the Carlsbad Transportation Department. “Activities include tire pile cleanup and enforcement, market development and demonstration projects.”
The city of Carlsbad met the grant program criteria.
Schauble pointed out that revenue for the grants is generated from a tire fee on each new tire sold in California.
This isn’t the first time the city received rubberized grants; it achieved past grants when CalRecycle was formerly known as the Integrated Waste Management Board. So far, the city has had three rubberized asphalt concrete grants. 
“Carlsbad has been utilizing rubberized asphalt concrete for many years and we have seen great results,” he said. “It’s a great example of doing something that helps the environment and makes good financial sense.”
Schauble wants people to know that the city doesn’t collect scrap tires for this rubberized pavement ingredient. Instead, they are received through rubberized asphalt suppliers.
The rubberized asphalt concrete is made by California Commercial Asphalt in San Diego, while the contractor for this extensive project is ATP General Engineering based in Chula Vista. 
Rubberized asphalt concrete has been used on roadways for decades.
“The inclusion of rubber in the asphalt concrete helps to resist cracking, rutting and shoving,” he said. “The rubberized pavements are more durable and last longer than conventional pavement; and are also quieter because of reduced tire noise.”
Each year, it’s estimated that California has a waste tire surplus of nearly 40 million. While most are recycled properly, around 25 percent are illegally dumped or sent to landfills, and those numbers add up.
“Carlsbad’s pavement overlay project will divert approximately 17,000 waste tires from landfills and use them to resurface streets in southeast Carlsbad,” Schauble said. “Scrap tires are a potential threat to both the environment and public health and safety and Carlsbad is doing its part by putting waste tires to use as rubberized pavement.”
Once a year, Carlsbad’s Pavement Management Program generally implements a pavement overlay and slurry seal project.
This particular repaving project will cost $1.8 million. In addition to the CalRecycle grant money, city officials said the remainder of the funds are coming from local Transnet taxes, fees, and California Proposition 1B funds.
While some may think $1.8 million is an enormous amount of money to spend on street repaving, the city is committed to preserve the streets with scheduled pavement programs. “Streets that are maintained in good condition will cost less over their lifetime than streets that are allowed to deteriorate to poor condition,” said Schauble, who added that unmaintained streets can cost a city millions of extra dollars for repairs. “This is because pavement rehabilitation techniques get progressively more expensive as the pavement condition deteriorates.”


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