McCarthy

Construction of $1.9 billion Allegiant Stadium achieves certificate of occupancy

The Mortenson | McCarthy joint venture has received a certificate of occupancy on Allegiant Stadium, the new home of the NFL’s Las Vegas Raiders and notably the largest entertainment venue in Las Vegas.

The joint venture team wrapped up the $1.97 billion facility on July 30, marking the end of a successful 31-month-long construction schedule, a mere forty months after the NFL’s approval of the Raiders’ move to Las Vegas. With this milestone reached, Allegiant Stadium’s operations team will move into their new facility to begin preparations for the venue’s first event.

The 1.8 million-SF stadium will also host UNLV football and a variety of other sporting and non-sporting events. The facility features 65,000 seats, a retractable natural turf field, large operable walls that open to spectacular views of the Las Vegas strip, a translucent roof and a variety of premium spaces throughout all levels.

As the design-build contractor responsible for Allegiant Stadium’s design and construction, Mortenson and McCarthy led a team comprised of more than 200 firms; including engineers, subconsultants, trade contractors, and vendors and partnered with the Raiders organization, owner’s representative CAA ICON, designer MANICA Architecture and the project’s design team which includes architect HNTB and engineers Arup, Smith Seckman Reid, Inc. and Kimley Horn.

Visually inspired by the sleek and gradual curves of a futuristic luxury vehicle, Allegiant Stadium is unlike any other venue, making it an architectural and engineering marvel. The unique features of the domed stadium include the cable net truss system used for the roof. The seven-acre ETFE roof is suspended by 100 stainless steel cables that create the light-weight roof structure diaphragm.

Meeting the challenge to provide the Raiders with a real grass field in the desert, the building also features a retractable field system. Weighing nearly 20 million pounds, the playing field is housed in a movable “tray” and moves on 540 electrically-powered wheels, which allows the natural grass field to move outdoors for sunlight and water. This feature provides the stadium with both natural grass or turf playing surfaces.

The Mortenson and McCarthy duo made worker safety a priority throughout construction and in doing so achieved a remarkable safety record with a total recordable incident rate (TRIR) of 0.98, which is less than one-third the national average. More than 12,000 individuals contributed to the project’s design and construction.

Workforce and business inclusion were at the forefront of building Allegiant Stadium. The project exceeded all small and diverse business goals, with 23% awarded to small businesses and 62% of the workforce being minority and female.

From the procurement process to training opportunities and student tours exciting the next generation of builders, efforts were focused on the Las Vegas local community. More than six million labor hours went in to constructing the project and an estimated 6,000 recurring jobs will be sustained or created to maintain venue operations.

CDC selects McCarthy as CM for biosafety lab

McCarthy Building Companies, Inc. has been chosen as the construction manager (CM) by the Centers for Disease Control and Prevention (CDC) for a new High Containment Continuity Laboratory (HCCL) at the Roybal Campus in Atlanta, Ga.

The new facility, which is part of the CDC’s 2025 Masterplan, currently is in the pre-construction/design phase with construction planned to begin in early 2021. Post completion, the HCCL will be one of three facilities in the world designed and certified to facilitate diagnostic research on specific, select viruses.

The new 160,000 SF, multi-story research building will increase the CDC's research capacity to sustain its diagnostic mission and support its public health mission by helping communities prepare for, detect and respond to consequences of all public health hazards. The HCCL building will be a Biosafety Level-4 (BSL-4) facility, a designation reserved for the highest level of biological safety and it will accommodate approximately 80 laboratory researchers.

“For the past two decades, McCarthy has been the premier high containment laboratory builder in the nation and we are thrilled to have been chosen to build this new addition to the expanding CDC Roybal campus,” said Bobby Campbell, executive vice president of McCarthy in Atlanta.

As a BSL-4 laboratory, the new facility will feature high-efficiency particulate air (HEPA) filtered supply and exhaust air, air pressure resistant doors, pressure cascade zoning, effluent collection and treatment, and pressure decay tested coatings and penetrations, as well as high purity breathing air and chemical decontamination showers for research staff. In addition, there will be connections to the existing Roybal campus utility systems with below grade utility tunnels and a two-level bridge connection.

“McCarthy has constructed the majority of the BSL-4 laboratory space in the United States, including the completion of the BSL-4 Emerging Infectious Diseases Laboratory on this campus 15 years ago. We are looking forward to bringing our experience full circle back to the CDC to build an efficient, functional, and technologically advanced research laboratory,” Campbell said.

As a leader for the past two decades in constructing facilities that conduct research related to infectious diseases, biological agents, and other sensitive scientific and medical research facilities, McCarthy Building Companies has built more than 25 percent of the BSL-4 facilities in the United States, including more than 50 percent of the gross square feet.

In addition to the CDC, McCarthy’s biosafety projects have included Boston University and the U.S. Department of Agriculture locations in Ames, Iowa and Manhattan, Kan.

The CDC has selected Flad Architects, Page Southerland Page and WSP to plan, program and design the HCCL. Part of the project management team is from McCarthy’s St. Louis headquarters.

With extensive knowledge and experience in biosafety projects, both Flad and McCarthy are also currently working together on the National Bio and Agro-Defense Facility (NBAF) in Manhattan, Kans., the only BSL-4 large animal facility in the nation.