Modular plant design

July 25, 2024
Safety & Quality
Procurement
Fabrication & Construction
Detail Engineering & Design
Front-end Planning

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Modular plant design, an alternative to traditional stick-built construction, is gaining popularity, particularly in the chemical, oil, and gas industries. The modular approach involves assembling plant components on steel frameworks known as skids. Skidded units are built off-site, usually in a fabrication shop, and then transported to the project site for final assembly and commissioning.

What Is Modular Plant Design?

Modular plant design differs from traditional stick-built construction in creating self-contained process units in an off-site, controlled factory setting. This innovative process allows builders to maintain high safety and quality standards.

It’s important to note that while modular construction has several advantages, it is not appropriate for all capital projects. A traditional construction approach may be necessary for large-scale projects that require on-site construction teams. 

Potential Benefits of Modular Construction

Construction Time

Prefabricating modules can shorten construction schedules in some applications. This method can also minimize site disturbances and streamline the commissioning process.

Geography Benefits

Modular construction reduces the need for labor at site, which is beneficial in remote areas or in areas where labor is scarce.

Enhanced Safety

Using a controlled factory environment can reduce risks associated with traditional construction sites. Workers are less exposed to hazardous conditions, and safety standards are easier to maintain.

Cost Efficiency

Economies of scale, reduced labor, and minimized site preparation expenses can contribute to cost efficiency. 

Sustainability

Modular construction can reduce waste and energy consumption during the build phase, resulting in a lower environmental impact at the construction site. 

The Modular Plant Design Process

The modular construction process involves several steps that require planning and precision from design to construction and completion. During the design and front-end planning phase, advanced 3D modeling and digital twins are used to ensure the accuracy of the final design. These technologies are needed for visualizing and planning the complex assembly of components within each module. 

During off-site construction, process equipment, instrumentation, piping, valves, and electrical wiring are mounted within a structural steel framework (skid). Each skid is a self-contained process unit enhanced with features like heat tracing, thermal insulation, and integrated control systems. 

Once the modules are completed, they are transported to the project site for assembly and to align with the site’s existing utilities and plant infrastructure. Depending on requirements, multiple skids may be connected to form a more extensive process system or erected as a standalone unit. After assembly, rigorous testing and fine-tuning of the modules are performed to ensure they function correctly as part of the integrated plant. 

Components of Modular Plants

Processing Units

Core modules are designed to perform specific tasks within the plant and are engineered to integrate with other modules.

Utility Systems

Provide essential services such as power, cooling, and waste management. These systems are crucial for the plant's overall maintenance and sustainability.

Control Systems

These setups manage the plant's operations to maintain optimal performance.

The Future of Modular Plant Design

As modular construction and technology advance, the integration of the Internet of Things (IoT), artificial intelligence (AI), and automation is expected to continue. These technologies are expected to improve plant performance, making operations more efficient and adaptable to changing conditions.

In addition, because modular construction may provide environmental benefits by reducing onsite waste and energy consumption during critical construction stages, modular plants may help to meet sustainability standards in the future.

Given its suitability for specific applications and projects, modular construction is expected to continue to gain popularity. This trend will drive additional innovation and broader adoption across several industries.

Partner With H+M Modular

If you want to learn more about modular plant design or expand your current operations to include modular units, you should work with a contractor with extensive experience delivering customized modular solutions that meet even the most complex project requirements.

H+M Modular specializes in designing and fabricating truckable modules, providing exceptional capital project execution from concept to start-up for clients across the United States. From our engineering and fabrication headquarters in Houston, Texas, we can transport your project to wherever you are. For over three decades, we have provided end-to-end solutions for a wide range of project sizes within the energy, chemical, and terminals and logistics industries.

We are dedicated to providing trust, experience, and efficiency through all stages of engineering, procurement, and construction through our proven strategic EPC approach. Our comprehensive services, including front-end planning, detail engineering and design, procurement, fabrication, and construction, allow us to take your modular process plant project from conception to completion, tailoring engineering and design solutions to meet your unique needs.

About the Author

Want to Learn More About Project Management?

To find out more about the advantages and disadvantages of turnkey projects and how H+M Industrial EPC can meet your capital project needs, contact us through our website today.

To find out more about the advantages and disadvantages of turnkey projects and how H+M Modular can meet your capital project needs, contact us through our website today.

Contact Us
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The H+M Industrial Team

For over three decades, we have provided best-in-class capital project management services to Energy and Chemical industries through our proven EPC approach. We are dedicated to providing trust, experience, and efficiency through all stages of engineering, procurement, and construction--on budget and on time.

Partnering with H+M Modular

H+M Modular, a division of H+M Industrial EPC, specializes in custom fabricated equipment, modules, and skids for energy and chemical industries. The approach emphasizes the potential for decreased risk through more controlled fabrication, leading to enhanced quality and safety, reduced labor costs and construction times, improved labor availability, and solutions to geographic challenges. We are dedicated to providing trust, experience, and efficiency through all stages of traditional and modular construction projects using our proven EPFC approach, If you're considering modular fabrication, we invite you to connect with us to learn about how modular solutions can improve project outcomes.

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