--- title: Between the Trees Blog | Tainter Gates description: Tainter Gates | Our official blog including Brennan company news, videos, and project overviews from the field. image: https://www.jfbrennan.com/hubfs/home_page/Between-the-trees-blog.jpg --- [MENU **](https://www.jfbrennan.com/blog/topic/tainter-gates#mobile-nav) Submit - ** - [About Us](https://www.jfbrennan.com/about-us) - History - [Culture](https://www.jfbrennan.com/culture) - [Contact Us](https://www.jfbrennan.com/contact-us) - [Blog](https://www.jfbrennan.com/blog) - [Careers](https://www.jfbrennan.com/careers) - [Why Brennan?](https://www.jfbrennan.com/careers/why-brennan) - [Benefits](https://www.jfbrennan.com/careers/professional-and-technical) - [Current Openings](https://www.jfbrennan.com/careers/current-openings) - Online Application - [Brennan Gives Back](https://www.jfbrennan.com/givesback) - [Plan Room](http://www.brennanopr.com/) [![J.F. 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[Mobile Water Treatment Trailer](https://www.jfbrennan.com/environmental/mobile-water-treatment-trailer) - [Sand Covers and Capping](https://www.jfbrennan.com/environmental/sand-covers-and-capping) - [Broadcast Capping System](https://www.jfbrennan.com/environmental/broadcast-capping-system) - [Mechanical Placement](https://www.jfbrennan.com/environmental/mechanical-placement) - [Armament](https://www.jfbrennan.com/environmental/armament) - [Treatability Testing](https://www.jfbrennan.com/environmental/treatability) - [Water Treatment ](https://www.jfbrennan.com/environmental/water-treatment) - [Wetland Remediation](https://www.jfbrennan.com/environmental/wetland-remediation) - [Marine Construction](https://www.jfbrennan.com/marine-construction) - [Submarine Cable Services](https://www.jfbrennan.com/submarine-cable) - [Dock Structures & Barge Terminals](https://www.jfbrennan.com/marine-constuction/dock-structures-and-barge-terminals) - [Deep Foundations](https://www.jfbrennan.com/marine-construction/deep-foundations) - [Dredging](https://www.jfbrennan.com/marine-construction/dredging) - [Underwater Inspections & Survey](https://www.jfbrennan.com/marine-construction/underwater-inspections-and-survey) - [Dive Inspections](https://www.jfbrennan.com/marine-construction/dive-inspections) - [Acoustic Imaging](https://www.jfbrennan.com/marine-construction/acoustic-imaging) - [Hydrographic Survey](https://www.jfbrennan.com/marine-construction/hydrographic-survey) - [Side Scan Sonar](https://www.jfbrennan.com/marine-construction/side-scan-sonar) - [ROV](https://www.jfbrennan.com/marine-construction/rov) - [Underwater Construction](https://www.jfbrennan.com/marine-construction/underwater-construction) - [Maritime Security Barrier Systems](https://www.jfbrennan.com/maritime-security-barriers) - [Bridge Construction](https://www.jfbrennan.com/marine-construction/bridge-construction) - [Construction & Replacements](https://www.jfbrennan.com/marine-construction/construction-and-replacements) - [Piers & Abutments](https://www.jfbrennan.com/marine-construction/piers-and-abutments) - [Scour & Erosion](https://www.jfbrennan.com/marine-construction/scour-and-erosion) - [Protection Systems](https://www.jfbrennan.com/marine-construction/protection-systems) - [Marine Support](https://www.jfbrennan.com/marine-construction/marine-support) - [Dam Construction](https://www.jfbrennan.com/dam-construction) - [Concrete Placement](https://www.jfbrennan.com/dam-construction/concrete-placement) - [Mass Pours](https://www.jfbrennan.com/dam-construction/mass-pours) - [Concrete Repairs](https://www.jfbrennan.com/dam-construction/concrete-repairs) - [Precast Components](https://www.jfbrennan.com/dam-construction/precast-components) - [Preplaced Aggregate Concrete](https://www.jfbrennan.com/dam-construction/preplaced-aggregate-concrete) - [Grouting](https://www.jfbrennan.com/dam-construction/grouting) - [Leave in Place Formwork](https://www.jfbrennan.com/dam-construction/leave-in-place-formwork) - [Gates and Actuators](https://www.jfbrennan.com/dam-construction/gates-actuators) - [Intakes & Headworks](https://www.jfbrennan.com/dam-construction/intakes-and-headworks) - [Underwater Inspections & Survey](https://www.jfbrennan.com/dam-construction/underwater-inspections-and-survey) - [Dive Inspections](https://www.jfbrennan.com/dam-construction/dam-inspection-diver-services) - [Acoustic Imaging](https://www.jfbrennan.com/dam-construction/acoustic-imaging) - [Hydrographic Survey](https://www.jfbrennan.com/dam-construction/hydrographic-survey) - [Side Scan Sonar](https://www.jfbrennan.com/dam-construction/side-scan-sonar) - [ROV](https://www.jfbrennan.com/dam-construction/rov-inspections) - [Underwater Construction](https://www.jfbrennan.com/dam-construction/underwater-construction) - [Cofferdams](https://www.jfbrennan.com/dam-construction/cofferdams) - [Scour & Erosion](https://www.jfbrennan.com/dam-construction/scour-and-erosion) - [Harbor Management](https://www.jfbrennan.com/harbor-management) - [Switching and Fleeting](https://www.jfbrennan.com/harbor-management/switching-and-fleeting) - [Barge Cleaning](https://www.jfbrennan.com/harbor-management/barge-cleaning) - [Dry Dock Vessel Repairs](https://www.jfbrennan.com/harbor-management/dry-dock-vessel-repairs) - [Short Haul Towing](https://www.jfbrennan.com/harbor-management/short-haul-towing) - [Marine Assists](https://www.jfbrennan.com/harbor-management/marine-assists) - [Contact Dispatch](https://www.jfbrennan.com/harbor-management/contact-dispatch) - [Customer Login](https://www.jfbrennan.com/customer-login) - [Railroad](https://www.jfbrennan.com/railroad) - [Bridge Construction](https://www.jfbrennan.com/railroad/bridge-construction) - [Construction & Replacements](https://www.jfbrennan.com/railroad/bridge-construction-and-replacements) - [Piers & Abutments](https://www.jfbrennan.com/railroad/piers-and-abutments) - [Scour & Erosion](https://www.jfbrennan.com/railroad/scour-and-erosion-repairs) - [Protection Systems](https://www.jfbrennan.com/railroad/bridge-protection-systems) - [Demolition](https://www.jfbrennan.com/railroad/demolition) - [Underwater Inspections & Survey](https://www.jfbrennan.com/railroad/underwater-inspections-and-survey) - [Culverts](https://www.jfbrennan.com/railroad/culverts) - [Environmental Response](https://www.jfbrennan.com/railroad/environmental-response) - [Marine Support](https://www.jfbrennan.com/railroad/marine-support) [MENU **](https://www.jfbrennan.com/blog/topic/tainter-gates#mobile-nav) [![Sunset at Scanlon Hydro Dam J.F. Brennan Company](https://www.jfbrennan.com/hubfs/Sunset%20Scanlon%20Dam%20thumbnail.jpg) ](https://www.jfbrennan.com/blog/hydro-dam-renewable-energy) ## [Minnesota Power Hydro Dam: The New Era of Renewable Energy](https://www.jfbrennan.com/blog/hydro-dam-renewable-energy) Posted by [Kimberly Walters](https://www.jfbrennan.com/blog/author/kimberly-walters) on February 12, 2024 We're at Minnesota Power's hydroelectric dam in Scanlon, Minnesota, to replace 7 of the structure's Tainter gates. Extending the life of this renewable energy source by 50 to 100 years, the Scanlon Dam Gate Replacement Project enables the further creation of clean, renewable power provided to local communities.  We were pulled into the project very early on during the design phase of the project. Both Brennan and Minnesota Power attribute the project's success to early contractor involvement. [Read More](https://www.jfbrennan.com/blog/hydro-dam-renewable-energy) [**{count-facebook}](https://www.jfbrennan.com/blog/topic/tainter-gates#)[**{count-twitter}](https://www.jfbrennan.com/blog/topic/tainter-gates#)[**{count-linkedin}](https://www.jfbrennan.com/blog/topic/tainter-gates#)[**](https://www.jfbrennan.com/blog/topic/tainter-gates#) [![Brennan working LaGrange Lock and Dam in 2019](https://www.jfbrennan.com/hubfs/LaGrange%202019.jpg) ](https://www.jfbrennan.com/blog/major-lock-rehabilitation-lagrange) ## [Executing Major Rehab on an Existing Lock in 105 Days](https://www.jfbrennan.com/blog/major-lock-rehabilitation-lagrange) Posted by [Brady Wateland, Project Manager](https://www.jfbrennan.com/blog/author/brady-wateland-project-manager) on March 18, 2021 80 years old and 35 years since its last rehab, [LaGrange](https://www.mvr.usace.army.mil/Missions/Navigation/Lock-and-Dam-Information/LaGrange-Lock-and-Dam/) Lock and Dam in Versailles, IL was in major need of rehabilitation. Brennan partnered with prime contractor Shimmick Construction ([Shimmick](https://www.shimmick.com/)) and the U.S. Army Corps of Engineers ([USACE](https://www.mvr.usace.army.mil/)) Rock Island District, along with hundreds of crew members, to execute quality repairs through the existing lock. [Read More](https://www.jfbrennan.com/blog/major-lock-rehabilitation-lagrange) [**{count-facebook}](https://www.jfbrennan.com/blog/topic/tainter-gates#)[**{count-twitter}](https://www.jfbrennan.com/blog/topic/tainter-gates#)[**{count-linkedin}](https://www.jfbrennan.com/blog/topic/tainter-gates#)[**](https://www.jfbrennan.com/blog/topic/tainter-gates#) [![Ahtna - J.F. Brennan JV](https://www.jfbrennan.com/hubfs/Logo%20for%20Social%20Media.jpg) ](https://www.jfbrennan.com/blog/ahtna-jf-brennan-joint-venture-release) ## [Brennan Proudly Establishes Joint Venture with Ahtna](https://www.jfbrennan.com/blog/ahtna-jf-brennan-joint-venture-release) Posted by [Kimberly Walters](https://www.jfbrennan.com/blog/author/kimberly-walters) on February 15, 2021 J.F. Brennan Company ([Brennan](https://www.jfbrennan.com/)) formally announces their Small Business Administration (SBA) 8(a) certified joint venture with Ahtna Marine & Construction Company, LLC ([AMCC](https://www.ahtnamarine.com/)). Publicly titled the Ahtna – J.F. Brennan JV, the partnership establishes a mentor protégé relationship between Brennan and Alaska Native Corporation subsidiary AMCC. [Read More](https://www.jfbrennan.com/blog/ahtna-jf-brennan-joint-venture-release) [**{count-facebook}](https://www.jfbrennan.com/blog/topic/tainter-gates#)[**{count-twitter}](https://www.jfbrennan.com/blog/topic/tainter-gates#)[**{count-linkedin}](https://www.jfbrennan.com/blog/topic/tainter-gates#)[**](https://www.jfbrennan.com/blog/topic/tainter-gates#) [![Tainter Gates](https://www.jfbrennan.com/hubfs/Blog%20Photos/gates.jpg) ](https://www.jfbrennan.com/blog/tainter-gate-operation) ## [Tainter Gate Operation: Monitoring Tension for Longevity](https://www.jfbrennan.com/blog/tainter-gate-operation) Posted by [Jeff Steiber](https://www.jfbrennan.com/blog/author/jeff-steiber) on November 27, 2018 At Brennan, we work on [dams](https://www.jfbrennan.com/dam-construction) of various sizes and functions. Very few new dams are built each year, so most of our work consists of rehabilitation and repairs. Dams are built to last for long periods of time, however certain components require periodic repairs and replacements. Radial gates, often referred to as Tainter gates, consist of components most commonly in need of attention. [In our experience](https://www.jfbrennan.com/dam-construction/gates-actuators), we have found certain best practices that will increase the longevity of these gates, as well as increase their functionality. [Read More](https://www.jfbrennan.com/blog/tainter-gate-operation) [**{count-facebook}](https://www.jfbrennan.com/blog/topic/tainter-gates#)[**{count-twitter}](https://www.jfbrennan.com/blog/topic/tainter-gates#)[**{count-linkedin}](https://www.jfbrennan.com/blog/topic/tainter-gates#)[**](https://www.jfbrennan.com/blog/topic/tainter-gates#) [All posts](https://www.jfbrennan.com/blog/all) ### Subscribe Here! ### Latest Blog Posts ### Posts by Topic - [Marine Construction (70)](https://www.jfbrennan.com/blog/topic/marine-construction) - [Corporate Culture (53)](https://www.jfbrennan.com/blog/topic/corporate-culture) - [Employee Engagement (50)](https://www.jfbrennan.com/blog/topic/employee-engagement) - [Great Place to Work (44)](https://www.jfbrennan.com/blog/topic/great-place-to-work) - [Environmental Dredging (41)](https://www.jfbrennan.com/blog/topic/environmental-dredging) - [J.F. 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