ICPI Interlock Design Issue 4 2018

Fall 2018 ® esign interloc money that would be needed to install sewer pipes under a non-permeable paver system.” Although a drainage system was not needed under the paver system, drainpipes and an inlet were installed at the edges to direct excess water out of the subbase, he adds. Geotextile was placed over the subgrade and 10 inches of ASTM No. 4 of compacted stone was placed as a subbase. A 4-inch thick compacted, open-graded base of No. 57 stone served as the base for the bedding layer and the 3 1/8-inch thick concrete pavers with joints filled with permeable aggregate. “The general contractor prepared the area and placed the subbase and base layers of stone, and then my crew screeded 2 inches of No. 8 stone as the Casting the concrete curb edge restraints PROJECT LOCATION: Port Manchac, Akers, Louisiana OWNER: South Tangipahoa Parish Port Commission DESIGNER & PROJECT MANAGER: Ranjit Gujja P.E., Project Manager, AECOM CONTRACTOR: Ivan Bond, Design Pavers MANUFACTURER: Keystone Hardscapes PHOTO CREDITS: Ranjit Gujja, AECOM PROJECT CREDITS FEATURE STORY Continued from page 20 bedding material,” says Ivan Bond, owner of Design Pavers. “I was surprised that the total depth of the project was not deeper, but the site had been used for decades as a laydown area and the soil subgrade was very compact and stable.” Pavers used for the project were 4 7/8 inches wide and 9 3/4 inches long and were manually placed. “A herringbone pattern was used because it is recommended for vehicular applications because it is stronger than other patterns,” says Mr. Bond. Because the pavers did not come in manufactured and placed as a herringbone pattern on the pallets. This is not the first permeable paver system installed by Mr. Bond, but it is his first in an industrial setting. “I install permeable pavers in commercial and InterlockDesign.org 21