ACPA Concrete Pavement Progress - Quarter 3, 2021

Concrete Pavement Progress www.acpa.org 14 C O N C R E T E B U S L A N E S turning of tires,” says Mac Tarrosa, division manager of the concrete division for Griffith Company. “The construction of a monolithic concrete curb and curb lane is a typical design in Los Angeles County to avoid intrusion of water into the subgrade through joints between the lanes and curbs,” he explains. This approach lengthens the lifespan of the concrete pavement and reduces maintenance requirements. In addition to the typical safety concerns for the traveling public as well as pedestrians and employees, the busy urban setting presented logistics challenges for material deliveries, says Tarrosa. “We did not want concrete truck drivers lost or stuck in traffic so we had to coordinate our pour sequence and schedule carefully with our supplier to avoid unnecessary cold joints and possible project delays,” he says. Because Griffith was also tearing out the old pavement and curbs, and preparing the subgrade, weekly updated schedules were crucial. “We did not want to open up toomuch area for us to pour WI LSHIRE BLVD. BUS LANES Before Construction During Contruction “Concrete is the preferred pavement for the lane that served as a bus and right-turn-only lane as well as the bus pads at the bus shelters and stops due to the heavy volume and the constant turning of tires.” » continued from page 13