ICPI Interlock Design Issue 4 2018

The No. 2 subbase aggregate placement residential applications,” he explains. “I was a little apprehensive about an open- graded subbase and base supporting a permeable paver system under the port traffic, but it is working well,” he admits. A concrete curb/edge restraint about 1 sf in cross section holds the paver system in place. This was installed by the general contractor, says Mr. Bond. The pavers were placed in less than three weeks with no surprises, he says. “Overall, the weather cooperated but we did have some rain,” he points out. “Of course, rain doesn’t slow the installation of a permeable system.” Mr. Bond’s pride comes through when he says, “I am hearing more contractors and customers evaluate the use of an open-graded permeable paver system for commercial and industrial projects,” Besides durability, deciding on 25,000 sf of PICP was due to the area receiving about 63 inches of rainfall annually. A herringbone pattern is being completed in this section of the PICP. he. “The Port Manchac project proves that permeable pavers work well in these settings.” The Port Commission is also pleased with the results of the $250,000 paving project, says Mr. Dufresne. “There were no problems during installation and the Port’s customers are happy that forklifts can more easily operate on the pavement rather than on aggregate that was previously used,” he says. “Now, we are looking for funds to double the size of the laydown area—with permeable pavers.” 22