Tulsa - JE Dunn Construction https://jedunn.com In Pursuit of Building perfection Tue, 14 Oct 2025 18:03:41 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.3 https://jedunn.com/wp-content/uploads/2023/02/logo-circle-only.png Tulsa - JE Dunn Construction https://jedunn.com 32 32 Up to the Task https://jedunn.com/news/up-to-the-task/ Tue, 14 Oct 2025 18:03:30 +0000 https://jedunn.com/?post_type=in-the-news&p=46125 JE Dunn Construction Appoints Forrest Wilson as Oklahoma Office Leader https://jedunn.com/blog/je-dunn-construction-appoints-forrest-wilson-as-oklahoma-office-leader/ Tue, 23 Jul 2024 13:00:31 +0000 https://jedunn.com/?post_type=blog&p=27610 Wilson steps into the new role after 18 years with the company.

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Oklahoma City, OK. July 23, 2024 – Forrest Wilson has worn many different hats at JE Dunn Construction. Since 2006, he’s worked his way up from intern to project engineer, to senior project manager. Now, he’s adding a new title to that list: Oklahoma Office Leader.

Over the past 18 years, Forrest has established himself as a trusted and proven builder across many of JE Dunn’s markets. From Nashville, Tennessee, to Austin, Texas, he has led complex developer, healthcare, and commercial projects to successful completion – including Austin’s tallest tower, Sixth and Guadalupe.  Along with his expertise in delivering construction projects, Forrest has become adept at supporting clients through the lifecycle of a project. He advocates for the project’s goals and vision while also supporting the needs of the operation and construction teams.

“Forrest brings a robust portfolio of project experience and an expert level of knowledge from working on some of JE Dunn’s most challenging projects, but most importantly, he prioritizes supporting his team,” said Greg Lorei, President of the South Central Region. “We know he will do great things in Oklahoma.”

Jason Bishop, former leader of the Oklahoma offices, will now support JE Dunn’s mission critical pursuits and future work program within the South Central region in partnership with the company’s Advanced Facilities Group.

JE Dunn’s Oklahoma offices – located in Oklahoma City and Tulsa – opened in 2008 and 2021, respectively, with a commitment to building authentic partnerships that would add to the skyline while helping the state grow and flourish. Since then, the offices have completed a diverse portfolio of healthcare, public and higher education, and aviation projects including the BOK Park Plaza Office Tower, various projects on the University of Oklahoma campus, the Oklahoma State Capitol exterior renovation, numerous renovations to the Oklahoma Children’s Hospital, and the Love Family Women’s Center on Mercy’s Oklahoma City Campus.

The offices’ backlogs are equally impressive, featuring high profile clients and projects like the AAR Aircraft Services Inc. Hangar Addition, the Oklahoma City Zoo Penguin and Sea Lion Exhibit renovation, and an array of healthcare scopes. The Oklahoma City team also recently moved into a new office space located at 1204 N Hudson Ave. Ste. 200, OKC OK 73103.

“I am so excited to get plugged in to everything JE Dunn is building in Oklahoma, from our project sites to our community involvement,” said Forrest Wilson. “We’ve had an incredibly strong, skilled team in Oklahoma for nearly two decades, and I am honored to be trusted as their leader while we continue to drive market growth.”

Forrest holds an MBA from Auburn University, which he earned while serving as senior project manager on the Sixth and Guadalupe project. He prides himself on being a client-centered builder who can utilize business acumen and unmatched communication to work with a diverse set of clients. He feels a resolute responsibility to the communities where we build– serving four years on the executive leadership team for the American Heart Association’s Heart Ball in Austin – and is looking forward to integrating his family into the Oklahoma community.

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The Aviation Boom https://jedunn.com/blog/the-aviation-boom/ Thu, 02 Nov 2023 18:28:06 +0000 https://jedunn.com/?post_type=blog&p=24531 Over the next three to seven years, every major airport in Texas and parts of Oklahoma will be undergoing some level of a capital improvement program. This will be billions of dollars’ worth of construction – a stark contrast to two years ago when airport programs were put on hold due to the pandemic.

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Market Drivers

It’s a unique situation we are seeing in this part of the United States, and the nuances that created this amount of aviation construction include population growth, connectivity, and airport relationships with its city and local economy.

Population Growth

Austin-Bergstrom International Airport (AUS) is a prime example of airport capacity in relation to population growth. In May of 2023, Austin reached the top 10 most populous cities by the U.S. Census Bureau, which included Dallas, Houston, and San Antonio. In 2022, AUS’ enplanements, or passengers that boarded at the airport, was 10.5 million. This is an increase of 55% compared to 2021.

Just recently at the Design-Build Institute of America (DBIA)-SW Regional Conference AUS leaders stated that the airport’s 2040 master plan will realistically hit in 2030. Right now, the airport is operating outside of its capacity.

Connectivity

Where AUS is growing its capacity and role in aviation on a local and national level, Dallas-Fort Worth International Airport has been operating on a national and international level for decades. For the second year in a row, DFW was ranked the second busiest airport in the world, with 73+ million passengers in 2022.

Its need for construction isn’t tied to the growth of its surrounding cities – at least not how it was in its early years. Rather, the demand comes from being a major hub for airlines and connectivity to other airports. About 60% of its traffic connects to another flight. Modernization, efficiency, and traveler experience are all goals for its expansion and continued reputation in the aviation market.

Capacity

The explosion of aviation work in Texas and parts of Oklahoma does include a middle ground, where airports are naturally growing with their general areas and in response to future capacity needs. This includes San Antonio International Airport and Tulsa International Airport. These individual programs are in the billions of dollars and include large, complex work that will be managed and constructed over several years.

In comparison to AUS enplanements, Tulsa and San Antonio, have a more moderate trend – although still indicating increase in travel and passenger numbers for the future.

Cargo Services

Beyond travel, airports are building capacity for additional cargo services. This focus happened during the pandemic when demand for fast delivery of essential and non-essential goods exploded.

That level of demand has come down with recent global impacts, fuel prices, supply chain bottlenecks, and the ease of port congestion. But there still exists a need for goods to be delivered securely, fast, and in large quantities.

Boeing released its report on air cargo through 2040 and projects that North America will average a 4.3% increase over the next decade. This will be led by e-commerce and a rise in domestic manufacturing.

This is the type of work AUS is invested in, where air cargo totaled more than 310+ million pounds in 2022, up almost 30 percent from 2021. In the last year, JE Dunn completed excavation and foundational work for AUS’ new 99,000 square foot cargo warehouse. This was a fast-track design and construction effort to get the facility up and running as soon as possible.

This aviation boom will lead to incredible opportunities for firms in the AEC industry but will bring impacts to the following:

  • Trade partner and overall skilled worker capacity
  • Opportunities for Minority, Women, Small, and Disadvantaged firms that meet their current capabilities while helping them build work capacity and experience
  • Competition for workforce, labor, and retention with other large projects and multi-year projects in the the data center, manufacturing, government and municipal markets

This is top of mind for JE Dunn as we look to purse work in the aviation sector. Aviation will continues to be a leading market for our South Central region and it’s our responsibility to deliver projects that are successful, provide an excellent experience, and support the growth of our industry for the future.

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National Cowboy and Western Heritage Museum Liichkoshkomo Outdoor Exhibit https://jedunn.com/blog/national-cowboy-and-western-heritage-museum-liichkoshkomo-outdoor-exhibit/ Fri, 12 May 2023 21:40:17 +0000 https://jedunn.com/?post_type=blog&p=20033 National Cowboy and Western Heritage Museum Liichkoshkomo Outdoor Exhibit Case Study 3 “The JE Dunn approach to working with the owner and architect is that we are all a team; we’re in this together. I never ever heard anyone say to me, “You have a problem.”  It was always, “We have an issue we need […]

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“The JE Dunn approach to working with the owner and architect is that we are all a team; we’re in this together. I never ever heard anyone say to me, “You have a problem.”  It was always, “We have an issue we need to solve.”

James W. Martin
Director of Design and Construction
Chief Operating Officer

Liichokoshkomo, (Lee-chi-Kosh-ko-mo) which is Chickasaw for “Let’s Play,” is the name of the outdoor educational exhibit addition to the National Cowboy & Western Heritage Museum in Oklahoma City. It is one of few places to learn about Native American homes. It provides a place to learn from the authentic representations of diverse Tribal cultures from across the United States. Each dwelling provides an accurate, detailed depiction from the communities, including each Tribe’s unique characteristics and iconography.

  • Even though the concept was developed a decade before construction started, much of the design elements and decisions were decided as the project unfolded.
  • There was very little historical data to rely on, so the design-build team (JE Dunn and Benham) had to be extremely flexible, transparent, and collaborative as they worked through constructability challenges while meeting the overall schedule.
  • There was a high focus on ensuring the exhibit authentically and accurately represented Native American culture that authenticity specialists were immersed in the decision making and gave frequent direction to the design-build team.

All the dwellings were reviewed and approved on-site with the museum and the respective Tribal Representatives. In one situation, the initial Kiowa Tipi review resulted in an inaccurate depiction of the conical geometry of the structure that was not noticeable until after it had been erected near the end of project. Our team disassembled the structure and made the necessary adjustments that adhered to the precise cultural requirements.

 

These were the types of intricate work we managed throughout the project while still meeting the schedule. It’s hard to imagine being successful on this project without constant and open coordination between the builder, designer, and client.

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University of Oklahoma Cross Village https://jedunn.com/blog/university-of-oklahoma-cross-village/ Fri, 12 May 2023 18:27:18 +0000 https://jedunn.com/?post_type=blog&p=19973 The Benefits Fast-tracked the design phase to start construction in phases – just four months after the start of design work 16-month schedule was achieved, including a $14 million scope that was added 8 months into the project and needed to coincide with the original schedule “I have had experiences in the past where, as […]

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The Benefits

Fast-tracked the design phase to start construction in phases - just four months after the start of design work

16-month schedule was achieved, including a $14 million scope that was added 8 months into the project and needed to coincide with the original schedule

“I have had experiences in the past where, as the Owner Rep, it was evident that the construction partner did not see me as an ally. But from day one at Cross, I felt I was part of the JE Dunn team.  Your team’s level of professionalism, transparency, customer services, and perseverance to always follow up on every single question or concern created a collaborative atmosphere. Your team re-set the bar in terms of what I should expect from design-build partners on all my future projects.”

David Vogt
Project Executive, Owner’s Rep
Balfour Beatty Campus Solutions

There is no changing the start date of a new school year. Even though JE Dunn and Clark Nexsen & Studio Architecture were onboarded later than the owner intended, the path to completion held. This project was a true testament to the effectiveness of design-build coupled with lean building practices. All work activities were measured against planned percent complete and reviewed daily with leaders of each trade partner involved in the scope of work. This afforded the design-build team real time schedule controls and corrective actions to maintain deliverables throughout the duration of the project. 

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Restoring the Oklahoma State Capitol https://jedunn.com/blog/restoring-the-oklahoma-state-capitol/ Fri, 12 May 2023 17:17:17 +0000 https://jedunn.com/?post_type=blog&p=19924 The Benefits Zero Change Orders issued during the first three years of this five-year project Major design changes due to unforeseen conditions resulted in $0 cost to the owner (ie. early revamp of stone cleaning and window removal process) “Time after time, when unknown conditions were encountered, the construction team and architects, in partnership with […]

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The Benefits

Zero Change Orders issued during the first three years of this five-year project

Major design changes due to unforeseen conditions resulted in $0 cost to the owner (ie. early revamp of stone cleaning and window removal process)

“Time after time, when unknown conditions were encountered, the construction team and architects, in partnership with the state, were able to pivot and find new solutions. JE Dunn and their partners were always cognizant of our budget and sought solutions to ensure the project would stay within our means. Communication between the construction team and the owner team was prioritized throughout the process.”

Trait Thompson
State Capitol Project Manager
Oklahoma Office of Management & Enterprise Services

Trait Thompson of the Oklahoma Office of Management and Enterprise Services said that in many ways the exterior restoration of the Capitol was one of the most challenging parts of the entire Capitol restoration. The design-build team (JE Dunn, Treanor HL, and ADG|Blatt) managed for five years:

  • 21 miles of mortar joints repointed
  • 477 steel windows restored
  • 4,600 stones repaired
  • A new copper roof installed
  • Repair and restoration of original doors and lighting

The design-build team made this an experience to remember. They focused weekly communication on the owner’s concerns, interests, and decisions to be made. They worked closely with trade partners to build out a multi-phased design plan and schedule to accommodate a fully operational building. That plan was shared with the client. Work sequences and progress updates were also shared with those working inside the capitol and impacted by the construction.

 

Top to bottom, accountability and communication channels were established, leaving no room for issues to hide, or be forgotten. That included unknown conditions. No one likes to hear about unknown conditions, but on a 100-year-old, historic building, they were bound to surface.T

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The Benefits of Design-Build Principles https://jedunn.com/blog/the-benefits-of-design-build-principles/ Fri, 12 May 2023 13:26:21 +0000 https://jedunn.com/?post_type=blog&p=19690 JE Dunn Construction's Oklahoma offices know that design-build is a collective effort and these teams have years of experience bringing this value and success to a variety of projects.

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Tulsa
Tulsa

JE Dunn Construction’s Oklahoma offices know that design-build is a collective effort and these teams have years of experience bringing this value and success to a variety of projects.

When you look at Oklahoma’s construction growth today, it’s heavily influenced by demand for complex work in hospitals, public buildings, education facilities, and highway infrastructure. It all points to the rise of population growth and the need to build essential places that support vibrant cities and communities.

That need to build and the demand to have these places sooner than later is more apparent today than ever.

There is no room to look at construction projects as fractured teams, deadlines, and budgets that are working around each other. No matter a project’s size, or cost, or scope, it just won’t do.

“Collective. Shared. Related. That’s how we have to look at every project we build. There is no, ‘this is yours and this is mine and stay on your side.’ That kind of mindset damages a construction project. It’s what causes issues with schedule and cost. And especially when you’re trying to build trust.”

Jason Bishop
Project Executive 

Collaborative Project Delivery. That’s the term JE Dunn uses to frame this collective effort. In the industry, it’s better known as Design-Build or Integrated Project Delivery (IPD). Whether a project is design-build, design-bid-build, or construction management-at-risk (CMAR), Oklahoma City and Tulsa projects are managed with Collaborate Project Delivery at the helm using behaviors based in lean principles and transparent work processes. Over the years that focus has allowed the offices to build a management culture influenced by the fundamental nature of these integrated delivery methods.

“Construction projects that are particularly complex and multi-phased need to be managed with the highest level of communication and alignment between design and construction activities so project teams can identify challenges immediately so they are corrected early. That one team approach brings all the best talent and resources to overcome the challenges that every project goes through.”

Chris Migneron
National Design Director

Design-build delivery seems to be gaining more traction in the Oklahoma market. Over the last two years the leadership team in Oklahoma City have identified more and more strategic design-build opportunities to pursue. They range in scope, size, and cost, and most are in the public sector– a significant jump from recent years.

What the team is seeing is what the Design-Build Institute of America (DBIA) has been reporting since 2021. Design-build has become the fastest growing construction method in the United States. Also, the West South Central United States – Oklahoma, Texas, Arkansas, and Louisiana – will represent the largest volume of design-build spending through 2025.

“Reduced schedule, faster delivery, better opportunity for cost control and savings – you’re going to hear people talk about that all the time with alternative deliveries, such as design-build,” said the Oklahoma leadership team. “We want to deliver that for our clients no matter the method. But when the owner chooses design-build, we know the partnership is already defined as a collective effort. Our Oklahoma teams have years of experience and success leading these types of projects with our owner, design team, and trade partners.”

Case Study
Restoring the Oklahoma State Capitol
Case Study
University of Oklahoma Cross Village
Case Study
National Cowboy and Western Heritage Museum Liichkoshkomo Outdoor Exhibit
Industrial & Manufacturing
Dallas
Paris Baguette
Bakery Products Manufacturing Plant
Paris Baguette North America
Burleson, Texas
Healthcare
Wichita
Wichita Biomedical Campus
Wichita State University
Wichita, Kansas
Healthcare
Springfield
Citizens Memorial Hospital Expansion & Renovation
Expansion & Renovation
Citizens Memorial Hospital
Bolivar, Missouri
Aviation
Houston
IAH - George Bush Intercontinental Airport
United Airlines Ground Service Equipment Maintenance Facility
IAH George Bush Intercontinental Airport
Houston, Texas
Federal Government
Denver
National Laboratory of the Rockies EMAPS
Energy Materials and Processing at Scale (EMAPS) Facility
National Laboratory of the Rockies
Golden, Colorado
Industrial & Manufacturing
Dallas
Paris Baguette
Bakery Products Manufacturing Plant
Paris Baguette North America
Burleson, Texas
Healthcare
Wichita
Wichita Biomedical Campus
Wichita State University
Wichita, Kansas
Healthcare
Springfield
Citizens Memorial Hospital Expansion & Renovation
Expansion & Renovation
Citizens Memorial Hospital
Bolivar, Missouri
Aviation
Houston
IAH - George Bush Intercontinental Airport
United Airlines Ground Service Equipment Maintenance Facility
IAH George Bush Intercontinental Airport
Houston, Texas
Federal Government
Denver
National Laboratory of the Rockies EMAPS
Energy Materials and Processing at Scale (EMAPS) Facility
National Laboratory of the Rockies
Golden, Colorado
Corporate Environments
Omaha
Applied Underwriters Headquarters
Applied Underwriters
Omaha, Nebraska
Cultural & Entertainment
Dickinson Williston
Theodore Roosevelt Presidential Library and Museum
Theodore Roosevelt Presidential Library Foundation
Medora, North Dakota
Industrial & Manufacturing
Portland
Oregon Liquor and Cannabis Commission (OLCC)
Distilled Spirits Distribution Center
Oregon Liquor and Cannabis Commission
Canby, Oregon
Education
Kansas City
Blue Springs R-IV School District
2018, 2021 & 2024 Bond Programs
Blue Springs R-IV School District
Blue Springs, Missouri
Mission Critical
Austin
Meta Temple Data Center
Meta
Temple, Texas
Advanced Industries Industrial & Manufacturing
Santa Clara
Confidential Semiconductor Tool Manufacturing Company
Bay Area Work Program
Confidential
Fremont, California
Cultural & Entertainment Federal Historical Preservation
Colorado Springs Denver
United States Air Force Academy
Cadet Chapel Historic Repairs
US Air Force Civil Engineering Center
Colorado Springs, Colorado
Aviation
Dallas
DFW - Dallas Fort Worth International Airport
Aircraft Rescue and Fire Fighting (ARFF) Stations
DFW Dallas Fort Worth International Airport
Dallas, Texas
Healthcare
Atlanta
Wellstar Kennestone Hospital
Tower Addition
Wellstar Health System
Marietta, Georgia
Aviation
Charleston
MYR - Myrtle Beach International Airport
Concourse Expansion and Modernization
MYR Myrtle Beach International Airport
Myrtle Beach, South Carolina

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The Real Depth of Safety Knowledge https://jedunn.com/blog/the-real-depth-of-safety/ Sun, 30 Apr 2023 21:00:14 +0000 https://jedunn.com/?post_type=blog&p=18781 No matter how fast a project moves, safety importance doesn’t change. What changes is onsite behavior and the ability to identify and prevent safety accidents.

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No two construction projects are the same. That is one of the many challenges safety faces.

As our project teams grow, we require more skilled workers onsite, and the speed of work tightens. No matter how fast we’re moving, we need to remember the priority of safety doesn’t change. What can change is how we behave onsite and our ability to identify and prevent safety accidents.

In our Texas and Oklahoma region, we’re focused on growing and evolving our safety culture. We are taking safety week (recognized in the construction industry from May 1 – 5) and turning it into a safety year so our team and our trade partners have the updated and current skills to master safety in today’s changing construction conditions.

This initiative kicks off May 1, 2023, and here’s what our Oklahoma and Texas project teams will be focused on:

Whole Team Training

In 2016, JE Dunn was intensely focused on sharing safety knowledge, outlining best practices, and shifting to a mindset of a true safety culture that is lived on and off the project site. It was such a successful push and I saw that on my first JE Dunn job at Dell Seton Medical Center at The University of Texas in Austin.

We need to do that again, but this time we need to extend that mindset to our greatest allies: trade partners. We’re preparing training and resources to increase their safety performance as we increase ours.

Speak Up, Listen Up (SULU) training will be provided to all our project teams and trade partners with the goal of 85%+ trained up this year. SULU breaks the communication barrier between skilled workers and project personnel. It promotes skilled workers to speak up when they know something isn’t right or safe. SULU is one of the best starting points to strengthen alignment between these groups.

Deliberate Safety Walks

Going out to the project, understanding the work happening, and looking with a safety lens is a deliberate effort. It’s easy for a safety walk to turn into a conversation about production – what’s being installed, what is coming up in two weeks, what will be the final product.
To challenge that default, our local leadership and project executives will conduct weekly safety walks with not just JE Dunn employees, but the people doing the work, and that includes evaluation of the Job Safety Analysis (JSA) for work in progress.

The takeaway from these walks is not to tell people what to do or what not do. We want our field teams and project teams to be equal partners in creating and maintaining a safe project site.

Preventative Safety Management

One of the best ways we can strengthen our safety culture is to start thinking about how we prevent an injury rather than identifying a resolution to the injury after the fact. Training and safety walks will set a foundation for preventative safety, but so will the following.

  • Attention to our frontline workers who are at the highest risk of injury It’s our job to ensure they are trained, supported, and can self-evaluate situations while also bringing it to JE Dunn’s attention.
  • One-on-one time with trade partners so we can discuss their specific safety concerns and roles onsite. Teams in our Austin office have already started these efforts by hosting meetings with trade partner leadership and bringing them into meetings to give them more visibility of project goals.
  • Focus on control plans that go beyond ensuring workers are wearing their safety gloves but rather identify and eliminate hazards before work is put in place. Think of it this way: If production requires a schedule, quality control requires mockups and first install preparations, then safety requires total project inspection.

With this initiative, we are building long-term behaviors that aim to prevent anything that puts our people’s safety at risk, and we’re bringing all our partners with us. Because knowing how to climb a ladder safely is just scratching the safety surface. Everyone needs to know how to inspect and identify the conditions of the ladder. Everyone needs to know how to inspect and identify the surrounding environment. And everyone should have the power to speak up for themselves and everyone on the project because they deserve to go home safely. That is the real depth of a culture of safety.

Marco Martinez is the Safety Director for JE Dunn’s Texas and Oklahoma region. Marco has been a part of the JE Dunn Safety Department since 2014 having worked on projects such as the Dell Seton Medical Center at The University of Texas, Covenant Health Hope Tower Addition, and Loews Arlington Hotel.

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National Cowboy & Western Heritage Museum Liichokoshkomo https://jedunn.com/projects/national-cowboy-western-heritage-museum-liichokoshkomo/ Thu, 26 Jan 2023 15:43:37 +0000 https://jedunn.com/projects/liichokoshkomo/ “Liichokoshkomo”, (Lee-chi-Kosh-ko-mo) which is Chickasaw for “Let’s Play”, is an outdoor educational exhibit addition to the National Cowboy & Western Heritage Museum. The Museum’s first expansion in many years aimed at delivering a playful learning environment for visitors. The combination of the spaces conveys the storylines of Westward Expansion, Native American, and Grand Vistas in […]

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“Liichokoshkomo”, (Lee-chi-Kosh-ko-mo) which is Chickasaw for “Let’s Play”, is an outdoor educational exhibit addition to the National Cowboy & Western Heritage Museum. The Museum’s first expansion in many years aimed at delivering a playful learning environment for visitors. The combination of the spaces conveys the storylines of Westward Expansion, Native American, and Grand Vistas in a comprehensive thematic framework. The exhibits feature a Chickasaw Council House, Pawnee Earth Lodge, Anasazi Cliff Dwelling, Kiowa Tipi, Hopi House, Caddo Grass Hut, and Navajo Hogan. Liichokoshkomo’ is now one of the few places where you can learn about the different types of Native American housing. Each dwelling provides an accurate, detailed depiction of the communities themselves including each Tribe’s unique characteristics and iconography. Our team worked hand in hand with the museum curator and local tribes to maintain the authenticity of each of the dwellings and exhibits. Additional features of the project include a Waterfall, Train Depot, Covered Wagon Exhibit, Trading Post, Playground, Annie Oakley statue, Oil Derrick, Mexican Rodeo, Horse Ramada, a 3,700 SF special events center, and a new theater in Prosperity Junction featuring a 30 foot screen.

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Oklahoma State Capitol Restoration https://jedunn.com/projects/oklahoma-state-capitol-restoration/ Thu, 26 Jan 2023 15:12:11 +0000 https://jedunn.com/projects/oklahoma-state-capitol/ JE Dunn led the renovation, repair, and restoration of the exterior of the Oklahoma State Capitol, which was originally built in 1917. Working closely with the design team to evaluate and design, the scope of work included repointing of mortar joints, a painstaking and time-consuming process to protect the building from water infiltration; repair of […]

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JE Dunn led the renovation, repair, and restoration of the exterior of the Oklahoma State Capitol, which was originally built in 1917. Working closely with the design team to evaluate and design, the scope of work included repointing of mortar joints, a painstaking and time-consuming process to protect the building from water infiltration; repair of cracked and damaged stone using the Dutchman Repair process; stone cleaning using a micro-abrasive process; scaffolding to allow the stone masons to gain access to all areas of the building’s exterior; restoring all 477 windows that surround the building and replacing all four wings of the existing copper roofing.

After a century of heavy use, harsh weather and inconsistent maintenance and preservation efforts, the building’s mechanical systems were failing, the exterior façade was crumbling and its prospects of meeting the state’s needs for another hundred years were fading. Recognizing the need to act, the Legislature enacted legislation providing funding for the Capitol’s first-ever comprehensive, top-to-bottom restoration.

There were over 21 miles of mortar joints on the Oklahoma Capitol. Due to the poor condition of the existing mortar, every single joint on the building had to be ground out and new mortar installed. It was a painstaking and time-consuming process in order to protect the building from water infiltration. JE Dunn tested various mortar types on the building to determine how well they weather Oklahoma’s climate and relate to the limestone, in order to deliver the best solution.

There were 240 locations on the Capitol where stone spalled and had to be repaired. Using the Dutchman Repair process, the damaged area was cut out and replaced with a new piece of stone. Stainless steel anchors were also installed. The repairs are barely visible to the naked eye and unnoticeable at higher elevations. The project was a 2020 AGC Build Oklahoma Award Recipient.

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