[An Employee Owned Company] Home About Projects Contact Careers Bidding Opportunities Employee Vault TRENCHLESS GLADIOLA STREET SEWER REHABILITATION PROJECT $4.6 Million- Completed 2017 This sewer rehabilitation project includes slip lining of approximately 4,600' of 21"-30" Spirolite pipe with new 16" & 20" HDPE, reconstructing 19 service laterals, and rehabilitation or replacement of 13 manholes. Due to extremely difficult ground conditions, extensive dewatering, soil grout stabilization, slide rail shoring were required. 7800 SOUTH SEWER IMPROVEMENT PROJECT $2 Million- Completed in 2008 The work consisted of the replacement of approximately forty-five hundred feet of fifteen inch RCP and PVC sewer with a new twenty-four inch HDPE pipe by pipe bursting. The project also included open cut installation of twenty-two hundred feet of twenty-one inch PVC sewer , three jack and bore crossings of UPRR tracks ranging in size from twenty-four to forty-eight inches, significant traffic control in the UDOT right-of-way, and bypass pumping of the existing sewer flows. WHITAKER CONSTRUCTION CO. reception@whitcon.com (435) 723-2921 44 South 1050 West Brigham City, UT 84302 6891 South 700 West Ste 200 Midvale, UT 84047 1506 S Silicone Way #3B St George, UT 84770 ©2020 by Whitaker Construction Co. Proudly created with Wix.com

[An Employee Owned Company] Home About Projects Contact Careers Bidding Opportunities Employee Vault PROJECTS WHITAKER CONSTRUCTION CO. reception@whitcon.com (435) 723-2921 44 South 1050 West Brigham City, UT 84302 6891 South 700 West Ste 200 Midvale, UT 84047 1506 S Silicone Way #3B St George, UT 84770 ©2020 by Whitaker Construction Co. Proudly created with Wix.com

[An Employee Owned Company] Home About Projects Contact Careers Bidding Opportunities Employee Vault 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 the 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. WHITAKER CONSTRUCTION CO. reception@whitcon.com (435) 723-2921 44 South 1050 West Brigham City, UT 84302 6891 South 700 West Ste 200 Midvale, UT 84047 1506 S Silicone Way #3B St George, UT 84770 ©2020 by Whitaker Construction Co. Proudly created with Wix.com