The crews will re-line 7,400 feet of 24- and 30-inch sewer pipe and 1,700 feet of 8- and 10-inch pipe.
Another 11,800 feet of sewer line will be cleaned.
Additionally, the crews will replace manholes and other sewer components.
The work is to address an aging sewer infrastructure in the area. Inspections of the lines have found serious deficiencies, officials said, including corrosion and cracks. City Department of Design and Construction deputy director Collins Lam said that the project is meant to increase capacity and improve flow.
Lam said that the work will also help reduce the risk of sewage spills.
The project will come on the heels of a sewer rehabilitation project along Kalaniana’ole Highway, from Hawai’i Loa Ridge to Niu Valley. That work, which wrapped up in late 2007, installed a new sewer line to replace a temporary above-ground emergency bypass line that was running along the highway.
Lam said that the new project will involve little trench work. Instead, crews will rehabilitate the lines using a cure-in-place method that cuts down on disruptions to traffic. Still, the project is expected to spur some closures and other traffic delays.
