Use Cases
High-Rise Maintenance Solutions: Advanced BMU Lifting Platforms for Modern Skyscrapers
As modern buildings continue to reach new heights and architectural designs become increasingly ambitious, maintaining safe and efficient façade access presents a growing challenge. From iconic skyscrapers and commercial towers to mixed-use developments and landmark structures, building owners must ensure that glazing, cladding, and exterior surfaces can be safely inspected, cleaned, and maintained throughout the building’s lifecycle.
At the same time, architects and developers are under pressure to preserve clean rooflines and protect the visual integrity of their designs. Traditional Building Maintenance Units (BMUs) can create a significant conflict between functionality and aesthetics, occupying valuable rooftop space and detracting from the architectural vision.
SERAPID’s high-rise maintenance solutions eliminate this compromise. Powered by proprietary Rigid Chain Technology (RCT), SERAPID BMU lifting platforms enable building maintenance equipment to be raised into position when needed and concealed when not in use, creating a safer, more efficient, and architecturally integrated façade access solution.
The Challenge of High-Rise Façade Access
Every tall building requires a reliable method for maintaining its exterior envelope. Building Maintenance Units are essential for providing access to windows, curtain walls, cladding systems, and façade elements. However, conventional BMU installations often create challenges for architects and engineers.
Large maintenance units permanently stored on rooftops can dominate a building’s skyline, interfere with architectural features, and consume valuable plant space. As buildings become taller and roofscapes more complex, finding practical ways to deploy and store maintenance equipment becomes increasingly difficult.
The challenge is particularly acute for premium commercial towers, luxury residential developments, mixed-use complexes, and architecturally significant projects where every visible element contributes to the building’s identity.
SERAPID addresses this challenge by transforming how BMUs are stored, deployed, and integrated into the building design.
Conceal, Deploy, and Protect with SERAPID BMU Lifting Platforms
Rather than leaving maintenance equipment permanently exposed, SERAPID lifting platforms allow Building Maintenance Units to be raised into operational position and lowered back into concealed storage areas when not required.
The system can transfer BMUs between multiple roof levels or position them beneath architectural screening elements, ensuring that maintenance equipment remains hidden from view until needed.
This innovative approach enables architects to maintain clean rooflines while ensuring maintenance crews have safe, reliable access to the building façade.
Rigid Chain Technology: The Power Behind the Solution
At the core of every SERAPID high-rise maintenance platform is Rigid Chain Technology, a patented electro-mechanical lifting system that combines exceptional lifting capacity with compact installation requirements.
Unlike traditional lifting technologies, the rigid chain acts as a flexible chain during storage but locks into a rigid lifting column during operation. This unique characteristic allows the system to deliver long lifting strokes and heavy load capacities while retracting into a compact footprint when not in use.
For rooftop applications where space is limited and architectural integration is critical, Rigid Chain Technology offers significant advantages over conventional lifting systems.
Engineered for Precision and Reliability
SERAPID’s LinkLift rigid chain columns provide the structural lifting force required to move heavy Building Maintenance Units safely and efficiently. Multiple columns can be synchronized to lift large, asymmetrical, or off-center loads with exceptional stability and control.
One of the most critical requirements for BMU transfer systems is precise rail alignment. The moving platform must align perfectly with fixed rooftop rails to allow smooth deployment of the maintenance unit.
Rigid Chain Technology delivers highly accurate and repeatable positioning, ensuring reliable rail-to-rail alignment every time the platform operates. This precision minimizes operational issues and improves long-term system performance.
Unlike hydraulic lifting systems, SERAPID platforms operate entirely through electro-mechanical actuation. The oil-free design eliminates the risks associated with hydraulic fluid leaks, contamination, disposal, and maintenance.
This not only improves sustainability but also protects sensitive rooftop environments and simplifies building maintenance operations.
Because the rigid chain retracts and coils into a compact storage space, the lifting platform can be integrated into tight rooftop geometries and confined plant areas. This allows designers greater flexibility when coordinating rooftop equipment layouts.
Benefits for Architects, Engineers, and Building Owners
One of the primary reasons architects specify SERAPID BMU lifting platforms is the ability to conceal maintenance equipment completely when it is not in use. The façade access system serves the architecture without becoming a visible design compromise.
The self-contained electro-mechanical system requires no separate machine room, freeing valuable rooftop space for other building services and reducing overall project complexity.
High-rise rooftops are exposed to extreme environmental conditions, including wind, rain, temperature fluctuations, and UV exposure. SERAPID LinkLift columns are specifically engineered and surface-treated for long-term outdoor operation in demanding environments.
Rigid Chain Technology is designed for decades of reliable operation with minimal maintenance requirements. This reduces lifecycle costs while ensuring dependable access for building maintenance teams.
Accurate positioning, controlled motion, and dependable deployment help improve safety during BMU transfer and operation. Maintenance personnel can rely on predictable performance throughout the system’s service life.
Applications for High-Rise Maintenance Platforms
SERAPID BMU lifting solutions are ideally suited for:
Commercial office towers
Skyscrapers and super-tall buildings
Luxury residential high-rises
Mixed-use developments
Hotels and hospitality projects
Landmark architectural buildings
Complex multi-level roof structures
Buildings with constrained rooftop plant zones
Retrofit modernization projects involving existing BMU systems
Whether integrated into a new construction project or added during a renovation, the system provides a practical solution for managing façade access without compromising design objectives.
Proven Performance in Real-World Applications
A notable example of SERAPID’s capabilities can be found in London’s Canary Wharf financial district. There, a SERAPID BMU lifting platform transfers a 26-tonne Building Maintenance Unit between upper and lower roof levels.
The system utilizes four externally rated LinkLift 100 rigid chain columns to raise and position the maintenance equipment with exceptional precision. Accurate rail alignment ensures smooth transfers between platform-mounted and fixed rooftop rails.
Operating reliably since 2014 with minimal maintenance intervention, this installation demonstrates the durability, precision, and long-term value of SERAPID’s high-rise maintenance technology.
Flexible Project Delivery
Every high-rise project presents unique engineering and integration requirements. SERAPID offers flexible delivery options ranging from Drive Train packages for specialist system integrators to fully engineered Lift Packages and complete turnkey installations.
This scalable approach allows project teams to select the level of support and responsibility that best fits their design, construction, and operational objectives.
Design Maintenance Access Early
Successful high-rise design requires maintenance access to be considered from the earliest stages of project development. By incorporating SERAPID BMU lifting platforms into the roof design process, architects and engineers can optimize building aesthetics, maximize usable rooftop space, and ensure reliable façade access for decades to come.
With industry-leading Rigid Chain Technology, SERAPID delivers innovative high-rise maintenance solutions that combine precision, reliability, and architectural integration — allowing maintenance equipment to disappear when not in use while remaining ready whenever it is needed.
Contact SERAPID for your high-rise maintenance project
Discuss your BMU lifting requirements with our engineers and discover how Rigid Chain Technology can integrate seamlessly into your roofscape.