Archive

02 Apr

Posted at 21:02h in by

The Goff Bayou Radial Gate Replacement project focuses on the replacement of two existing roller gates with slide gates. Additional project scope includes the repairing of scour areas behind and below the wingwalls of the gate structure, as well as the installation of articulating concrete...

18 Apr

Posted at 17:02h in by

Gracon subcontracted to American West and worked with Denver Water on the installation of 66-inch and 6-inch knife gate valve assemblies and Hydraulic Power Unit Skid. Gracon overcame the challenges of both an extremely tight time schedule and congested work area to finish this project....

22 Jun

Posted at 22:25h in by

[vc_row css_animation="" row_type="row" use_row_as_full_screen_section="no" type="full_width" angled_section="no" text_align="left" background_image_as_pattern="without_pattern"][vc_column][vc_column_text]The project consists of replacing an existing 42-inch fixed cone valve which has been in service since the reservoir was constructed. To replace the valve and emergency gates, Gracon will install an isolation device on the hydraulic intake...

16 Jul

Posted at 14:04h in by

[vc_row css_animation="" row_type="row" use_row_as_full_screen_section="no" type="full_width" angled_section="no" text_align="left" background_image_as_pattern="without_pattern"][vc_column][vc_column_text][/vc_column_text][vc_column_text]Gracon replaced the aging electrical and mechanical infrastructure at the Roberts Tunnel East Portal, near Grant, CO. This $10M project includes upgrading the existing electrical systems with three new switchgear units which will transfer electrical power from the...

07 Nov

Posted at 15:57h in by

[vc_row css_animation="" row_type="row" use_row_as_full_screen_section="no" type="full_width" angled_section="no" text_align="left" background_image_as_pattern="without_pattern"][vc_column][vc_column_text][/vc_column_text][vc_column_text]Gracon rehabilitated all gates at the South Boulder Diversion Dam for Denver Water. Removal, rehabilitation, and reinstallation of three sluice gates and the rehabilitation of two radial gates, that were 17’x20’ and 6’x8’ was performed. The project also...

07 Nov

Posted at 15:48h in by

[vc_row css_animation="" row_type="row" use_row_as_full_screen_section="no" type="full_width" angled_section="no" text_align="left" background_image_as_pattern="without_pattern"][vc_column][vc_column_text][/vc_column_text][/vc_column][/vc_row][vc_row css_animation="" row_type="row" use_row_as_full_screen_section="no" type="full_width" angled_section="no" text_align="left" background_image_as_pattern="without_pattern"][vc_column][vc_column_text]Antero Dam’s gate house had to be rebuilt at a higher elevation due to raising the elevation of the dam by Moltz, which was a large part of their work. Gracon...

07 Nov

Posted at 15:39h in by

[vc_row css_animation="" row_type="row" use_row_as_full_screen_section="no" type="full_width" angled_section="no" text_align="left" background_image_as_pattern="without_pattern"][vc_column][vc_column_text]The Strontia Springs Dam reservoir’s emergency reservoir drawdown system (ERDS) rapidly releases water in an emergency scenario through a 50 ft. long tunnel that runs through the base of the dam. The thrust nut on the ERDS control...

17 Feb

Posted at 10:37h in by

This $2.5M Design-Build dam gate project includes replacing four 7’x13’ slide gates at Canton Dam, Oklahoma. Gracon is partnering with Deere and Ault Consultants for the design of the new gates. ...