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Upper Northwest Interceptor Section 9 (UNWI 9) and Associated Northeast Area (NEA) Relief Projects

Overview

Remaining Construction Work on Oak Avenue

In late November 2009, a pipe was found cracked on a tunneling drive on Oak Avenue east of Wachtel Way. To continue with the tunneling operation, a shaft was built, which is located on the north side of Oak Avenue east of Hardy Street. The tunneling operation is now complete and the site is being restored to its preconstruction condition.

Other construction along Oak Avenue includes backfilling shafts, building and testing pipe and manholes and finalizing road restoration. Construction is expected to be complete by early fall 2010.

Traffic control along Oak Avenue near C-Bar-C Road has been removed and final paving is underway.

Please remember the speed limit is 25 mph in construction zones - please drive carefully!

The complete UNWI line will run west along Old Auburn Road, Auburn Boulevard and Greenback Lane. It then runs along Elkhorn Boulevard in North Highlands, through Rio Linda and finally southbound next to Natomas Boulevard/Truxel Road. There, it ties into the New Natomas Pump Station and the Lower Northwest Interceptor. The project is necessary because the current wastewater system is nearing capacity.

UNWI 9 & NEA-2 Complete!

Sacramento Regional County Sanitation District and Sacramento Area Sewer District are pleased to announce the completion of a major portion of the Upper Northwest Interceptor work. Both UNWI 9 and Associated Northeast Area Relief Project 2 along Auburn Boulevard and Old Auburn Road are complete and in service.

The entire project is scheduled to be complete by end of summer 2010!

Media Advisories

Performing maintenance on the drill head

Media Coverage of "Big Stan" (8/14/07)

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