For the past three years, the City and County of Honolulu has been implementing a ten year capital improvement plan. The City and County expects to spend approximately $US30 million annually on the rehabilitation and replacement of its water, sewer and stormwater pipelines.

The City and County’s Department of Environmental Services is working on numerous sewer projects, including awarding a $US9.1 million contract to reline sewer pipe using cured-in-place pipe (CIPP).

Upon completion of the project, nearly 8,000 feet of 8 inch to 30 inch deteriorating sewer pipe, the majority of which is located under the busy Kalanianaole Highway, will be cleaned, inspected and rehabilitated with Insituform CIPP. The company has completed over $US30 million in pipeline rehabilitation for Honolulu since 2005.

General Manager for Insituform’s West Region Joe Lane said “The City and County of Honolulu recognises the need for pipeline rehabilitation and the benefits of Trenchless Technology to this project. Compared to traditional dig and replace methods CIPP allows the City and County to upgrade their system at a lower cost and with less disruption to citizens and businesses.”

Work on this latest project beginning in September 2009 and is expected to be completed in the first quarter of 2011. The project also includes the inspection and cleaning of an additional 6,000 feet of sewer pipelines, the rehabilitation of manholes and the rehabilitation of three inverted siphons located beneath a water inlet.

Other wastewater projects underway in Oahu include;

* Houghtailing Street Area Sewer Rehabilitation – sewer rehabilitation work in Kamehameha Heights. * Kailua/Kaneohe Reconstructed Sewer Rehabilitation – spot repairs along Papalani Street, Wanaao Road, Pamaele Street and Popua Loop. * Kalihi/Nuuanu Area Sewer Rehabilitation (all phases) – sewer rehabilitation work. * Kalaheo Avenue/Mokapu Road/Aikahi Loop Sewer Rehabilitation – installation of CIPP along Mokapu Boulevard and Aikahi Loop. * Kaneohe Bay Trunk Sewer Reconstruction – installation of a new gravity sewer line. * Installation of CIPP along Kaimalu Place, Kaimalu Way and Ikenani Drive. * Kapiolani Area Revised Sewer – installation of gravity lines along Kona Street. * Kuliouou Sewer Rehabilitation – installation of CIPP. * Peterson Lane and Pua Lane Sewer Rehabilitation – installation of a new gravity sewer. * Saint Louis Heights Sewer Rehabilitation – sewer rehabilitation work. * Waipahu Street/Plantation Village Sewer Reconstruction – installation of gravity sewer line. * Waimanalo Sewer Rehabilitation – installation of replacement sewer lines. * Wanaao Road/Keolu Drive Reconstruction Sewer – installation of a gravity sewer line). * Wilhelmina Rise Sewer Rehabilitation – sewer rehabilitation work in Wilhelmina Rise.