TL;DR
Overhead cranes for SMR facilities must be matched to each zone of the plant; reactor building, turbine hall, modular yard, and auxiliary building Think of an SMR facility as a collection of these specialized work zones. They all have different lifting requirements and each typically relies on a different type of crane. Understanding where these cranes operate and what they do is an important part of designing a safe and efficient nuclear facility.
Unlike traditional industrial facilities that may rely on only one or two crane systems, Small Modular Reactor (SMR) facilities often require multiple overhead cranes designed for different stages of construction, operation, maintenance, and fuel handling. Understanding where each crane is used and why, is an important part of planning a safe, efficient, and compliant nuclear facility.
Which Cranes Are Used in the Reactor Building?
Within the reactor building, crane systems often play a central role in supporting reactor operations and maintenance activities.
One of the most recognizable crane systems in nuclear facilities is the polar crane, which operates within the containment structure and is designed to handle heavy reactor components during installation, inspection, and maintenance activities.
Additional lifting systems may include fuel handling machines and bridge cranes that support reactor servicing and component movement. Because these cranes may operate in safety-related environments, reliability, redundancy, and precise load control are often major design considerations.
Which Cranes Are Used in the Turbine Hall?
While the reactor building receives much of the attention, the turbine hall also requires significant lifting capability.
Turbine hall bridge cranes are commonly used to install and maintain turbines, generators, condensers, and other large power-generation equipment. These cranes may be required to handle substantial loads while maintaining accurate positioning during maintenance outages or equipment replacements.
In many facilities, the turbine hall crane becomes one of the most frequently utilized lifting assets throughout the plant lifecycle.
Which Cranes Are Used in Modular Construction Yards?
One of the defining characteristics of SMRs is the use of modular construction techniques.
Large assemblies may be fabricated off-site or within dedicated modular construction areas before being transported for final installation. Gantry cranes are often used in these environments because they can accommodate large modules and provide flexibility when handling oversized components.
As modular construction continues to gain traction within the nuclear industry, gantry crane systems are expected to play an increasingly important role in SMR project execution.
Which Cranes Are Used in Auxiliary Buildings?
Auxiliary buildings typically support maintenance, equipment storage, and plant support functions.
These areas often utilize auxiliary bridge cranes or maintenance cranes for routine lifting tasks, equipment servicing, and component replacement activities. While these cranes may not handle the largest loads in the facility, they are essential for supporting day-to-day operations and long-term plant reliability.
How Do Engineers Select Overhead Cranes for SMR Facilities?
For SMR facilities, crane selection is not simply a matter of choosing a lifting capacity. Engineers must evaluate operational requirements, environmental conditions, maintenance accessibility, remote operation needs, redundancy strategies, and applicable nuclear regulations.
Each crane system must be matched to the specific function it will perform within the facility. A crane supporting modular construction activities has different requirements than one used for fuel handling or turbine maintenance. Understanding these distinctions early in the design process can help improve safety, support regulatory compliance, and reduce operational challenges throughout the facility’s lifecycle.
As the SMR market continues to grow, facilities will increasingly require specialized crane systems designed to support every stage of the reactor lifecycle; from modular construction and commissioning to decades of safe operation and maintenance.
How American Crane & Equipment Corporation Can Help
American Crane & Equipment Corporation (ACECO) designs and manufactures custom overhead crane systems for demanding applications across the nuclear industry. From heavy-capacity bridge cranes to specialized lifting solutions designed for safety-critical environments, our team works with customers to develop systems that align with operational requirements, regulatory expectations, and long-term reliability goals.
To learn more about custom crane solutions for nuclear and SMR applications, contact the ACECO team.

