Frontier-Kemper still the lowest in LA County tunnel re-bid

4 October 2018

US – Tutor Perini Corporation announced October 3 its subsidiary, Frontier-Kemper Constructors, has been identified by the Los Angeles County Department of Water and Power as the low bidder for the USD 121M River Supply Conduit Improvement Upper Reach – Unit 7 Project (RSC Unit 7). The project was bid earlier this year, with Frontier-Kemper providing the low bid. The customer subsequently opted to re-bid the project, and Frontier-Kemper was again designated as the low bidder.

The project is funded by the Drinking Water State Revolving Fund, administered by the United States Environmental Protection Agency and the State Water Resources Control Board. The scope of work involves installation of approximately 13,260 lineal feet (4km) of 78-inch welded steel water line (WSWL), 11,810 lineal feet (3.6km) installed inside a tunnel shored with bolted and gasketed pre-cast concrete tunnel segments. Approximately 490 lineal feet (150m) of microtunnel for 78-inch WSWL and approximately 960 lineal feet of 78-inch WSWL will be installed by cut-and-cover methods.

Work is expected to commence in October with substantial completion anticipated in December 2021. The contract value is expected to be included in the Company’s third quarter 2018 backlog.