“This is an incredible achievement,” said Mike Costas, Bechtel’s General Manager of Defense and Space. “Lifting a 2.6-million-pound launcher base more than 20 feet into the air, moving it nearly the length of a football field, and then setting it down safely at a height of 25 feet, requires both great skill and careful planning. I am proud of the dedication, innovation, and collaboration of our combined Bechtel-NASA team in accomplishing that.”
Establishing safety as a top priority, Bechtel and NASA’s Exploration Ground Systems teams worked to address and reduce potential risks to the craft professional team by planning for the base’s primary steel to be assembled at a lower height. The collaboration resulted in a creative and efficient method for later raising the base’s primary steel assembly to its full height using NASA’s crawler. With the base at operating height, the work now transitions to installing critical electrical equipment and piping in preparation for erecting the mobile launcher tower, which is scheduled to begin in late 2024.
To perform Jack and Set, the project team assembled and aligned the 43 primary steel assemblies comprising the mobile launcher base. Four Self-propelled Motor Transporters then raised the base to allow for the temporary mount mechanisms to be removed and eight jacks to be set. The jacks raised the base 18 feet allowing the crawler-transporter crew to drive underneath the mobile launcher base, carry it roughly 200 feet, and then lower the base pins into the permanent mount mechanisms. The Jack and Set process took one week of careful coordination to execute.
“The safety of our craft professional team has been the primary focus of Bechtel and NASA throughout the assembly of the base,” said Paul Podolak, Mobile Launcher 2 Project Manager. “I am grateful for the dedicated work of our team to design the base, procure critical materials, and assemble it safely. We are fully committed to delivering this key component for the Artemis campaign.”
Mobile Launcher 2 will support the Artemis IV mission and beyond, once the larger and more intense Space Launch System (SLS) Block 1B rocket is used to begin delivering large cargo to the Moon, including to the lunar Gateway, along with crew. Reaching a height of 390 feet, Mobile Launcher 2 will be taller and wider than mobile launcher 1. This launch platform will implement a new umbilical arm during rocket transport and launch. This second iteration will continue to apply lessons learned from the Artemis I launch. The second mobile launcher will be designed, built, and commissioned by Bechtel.
Background
The assembly of the base primary steel included 43 complex lifts conducted between August 2023 and March 2024.
Suppliers from four states provided specially fabricated steel used in the base assembly. Bechtel recently won the 2024 Dwight D. Eisenhower Award for Excellence in Construction from the U.S. Small Business Administration (SBA), recognizing our commitment to partnering with local businesses in the communities we live and work in.
The Bechtel-led team has awarded more than $100 million in procurements in the local area, and over $425 million around the United States through partnerships in 33 states and growing.
The Jacking System used to lift the base included four Self-propelled Motor Transporters, with 56 axles total, and eight jacks placed around the outside of the base steel.
The crawler was designed by NASA teams during the Apollo missions and is more than 50 years old.
About Bechtel
Bechtel is a trusted engineering, construction and project management partner to industry and government. Differentiated by the quality of our people and our relentless drive to deliver the most successful outcomes, we align our capabilities to our customers’ objectives to create a lasting positive impact. Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world’s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place.
Bechtel serves the Energy; Infrastructure; Manufacturing & Technology; Mining & Metals; and Nuclear, Security & Environmental markets. Our services span from initial planning and investment, through start-up and operations. www.bechtel.com
Contact: Jordan Vinson | [email protected] | P: +1.385.380.6223
SOURCE Bechtel
