UTILITY TUNNELS

MANING DRIVE STEAM PLANT AND UTILITY TUNNEL PROJECT

$29 Million- Completed 2005

Installation of 3,200 LF of open cut, 14'x14' cast-in-place concrete utility tunnels at an average depth of 24-ft. Much of the excavation required blasting of over 60,000 cy of granite. Tunnel mechanical included (2) 30" Chilled Waterlines, (1) 24" LP Steam, (1) 12" HP Steam, (2) 10" Condensate Return Lines, Lighting & Ventilation. Work also included excavation, shoring and construction of the foundation walls for a new steam plant, construction of 5,000 LF of High Voltage Ductbank.

UTAH STATE UNIVERSITY INFRASTRUCTURE- UTILITY TUNNEL PROJECT

$22.5 Million- Completed in 2002

Design-Build project for construction of 6,200-ft of cast-in-place concrete utility tunnels incl. steam & condensate piping.  Work included utility relocations, a HV ductbank, and surface restoration.