Mezzanine Floors Up and Away

Geoff Green of MiTek discusses all things mezzanine with editor Peter MacLeod, covering space optimisation, flexibility, installation and safety.

In the ever-evolving logistics industry, optimising warehouse space is crucial for operational efficiency. One effective solution gaining prominence is the implementation of mezzanine systems. In a recent episode of “Logistics Business Conversations,” host Peter MacLeod discussed this topic with Geoff Green, Sales Director at MiTek, shedding light on the benefits and considerations of
mezzanines in logistics.

Before we get into the meat of the conversation, MacLeod first asked Green for a generic definition of a mezzanine, as the term can sometimes be misunderstood. He described mezzanines as intermediate floors installed between the main floors of a building, effectively doubling or tripling usable space without the need for external expansion. In warehouses, they serve various purposes, including storage, office space, and production areas, allowing businesses to maximise vertical space and improve workflow efficiency.

There are several key reasons why logistics businesses choose to specify mezzanine systems, prime among them being the need to optimise available space. Mezzanines enable companies to utilise ‘spare’ vertical space, alleviating the need for building extensions or even relocation to larger premises. This is particularly beneficial in urban areas where real estate costs are highest.
Mezzanines are considered a cost-effective method to achieve this compared to the cost of constructing new facilities, providing additional space without significant capital investment.

Flexibility is another reason they are popular: mezzanine structures can be customised and reconfigured to meet changing operational needs, offering adaptability as businesses grow or diversify,
for example if a 3PL gains a contract that involves product that is significantly different in weight, size, volume or shape to its existing SKUs.

Furthermore, by designating specific functions to mezzanine levels, companies can streamline processes, reduce congestion on the main floor, and enhance overall productivity.

Addressing Installation Concerns

A common concern cited by customers when discussing a mezzanine installation is the potential disruption to the facility’s regular operations. However, Green was keen to dismiss this fear, emphasising that with proper planning and coordination, installations can be executed with minimal impact on daily operations. For example, scheduling work during off-peak hours and maintaining clear communication with all stakeholders are key strategies to ensure a smooth installation process.

With safety considerations paramount in any warehouse environment, mezzanines must comply with building regulations and safety standards to protect both personnel and equipment. This includes installing appropriate guardrails, ensuring load-bearing capacities are not exceeded, and providing safe access points such as stairs or lifts. Regular inspections and maintenance are also essential to uphold safety standards.

Green says that the long-term benefits of mezzanines can be guaranteed by designing layouts that can accommodate future changes, something at which he says MiTek is particularly skilled. By creating a futureproofed design, businesses are better able to accommodate expansion in volume, technological advancements, and evolving industry practices. Green advises involving experienced designers and engineers in the planning stages to create such flexible and scalable mezzanine solutions.

Case Study: Successful Mezzanine Implementation

A notable example of a successful mezzanine installation quoted by Green is a leading eCommerce company in the UK that faced challenges with limited warehouse space due to rapid growth. By installing a mezzanine system, it effectively doubled its storage capacity within the existing facility. This not only saved costs associated with building a new warehouse but also improved order fulfilment times by enhancing the organisation of inventory and streamlining picking processes.

In summary, mezzanine systems offer a practical and cost-effective solution for businesses seeking to optimise warehouse space and improve operational efficiency. By addressing installation
challenges, adhering to health and safety standards, and designing flexible layouts, companies can leverage mezzanines to support growth and adapt to the dynamic logistics landscape.

For a more in-depth discussion on mezzanines in logistics, visit the Logistics Business website and click on the ‘podcasts’ tab to listen to the full episode of “Unlocking the Levels: Exploring
Mezzanines in Logistics” featuring Geoff Green of MiTek.

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Mezzanine Specialist Empowering Automation

MiTek can provide the robust and precise steelwork required to support intralogistics automation, such as automated stores, conveyor technology, AGVs and robotic handling systems. Whether it’s a single steel platform or multi-tier solution, and whether it’s installed in a brand-new facility or an existing warehouse, the MiTek team designs and delivers mezzanine solutions that enable automated logistics systems to achieve the highest possible efficiency and space utilisation.

MiTek Industries GmbH, based in Cologne, will exhibit on stand K58 in hall 1 at the LogiMAT exhibition in Stuttgart from 11 to 13th March. With the theme ‘Empowering Automation’, the company will focus on mezzanine systems and associated steel solutions for intralogistics automation. These structures usually need to be designed and built in a slightly different way, in order to bear the heavy loads typical in automated storage and retrieval systems (ASRS), conveyor systems and robotic cells.

“The future of intralogistics is digital,” says Bart Pulles (pictured), Operations & Sales Manager and responsible for MiTek’s mezzanine business in continental Europe. “Increasingly, warehouse operators are turning to autonomous and intelligent technologies to meet their current and future demands for performance and cost efficiency. Our bespoke steel platforms enable the realisation of automation solutions in both greenfield and brownfield environments, as well as the optimisation of available space.”

The perfect partner for cube storage systems

MiTek specialises in the internal construction of distribution centres, using hot-rolled and cold-formed steel structures. A core aspect of this is the design and installation of mezzanine floors that maximise a warehouse’s productive space while minimising its overall footprint.

Pulles highlights the synergy between MiTek’s steel platforms and automated storage systems, such as the AutoStore cube storage system: “As modular solutions that can be integrated almost anywhere, automated storage systems are ideally suited to being implemented not only at ground level but also on a platform. With sufficient ceiling height, multiple storeys can be considered.”
In addition, MiTek can install maintenance platforms on top of the grid, or intermediate platforms for workstations. Beneath the automated system, mezzanine tunnels can accommodate additional workstations, conveyor routes or replenishment areas. Walkways spanning ASRS systems can also serve as escape routes.

Regardless of the specific design of the automated storage system – whether it is spread across floors, around columns and corners or goes right up to the roof – Pulles states, “Our steel platforms ensure the necessary structural stability and accessibility.”

High load capacity and flexibility

MiTek’s mezzanines are tailored to meet the specific requirements of automated handling equipment in terms of load-bearing capacity, deflection and vibration. The company has delivered projects in partnership with 9 of the world’s top 10 material handling system suppliers. “Our in-house team of experts works closely with system integrators,” explains Pulles, “to ensure seamless integration with their automation drawings. For example, our designers may need to create voids for conveyors; meet certain column spacing to facilitate machinery on ground level and ensure conveyor void positions; and design the floors to meet the specified load capacity.”

Robust solutions at competitive prices

Drawing on almost 40 years of experience and around 20,000 completed mezzanine projects worldwide, MiTek develops robust solutions at affordable prices. “Every MiTek steel platform is essentially a bespoke solution that delivers excellent value for money,” says Pulles. “We place great emphasis on avoiding both over-engineering and under-engineering, to ensure the right balance of competitiveness and strength. We look forward to presenting our solutions at LogiMAT 2025 and welcoming visitors onto our stand.”

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How to get an Accurate Cost for Mezzanine

In order to receive the best mezzanine design and to achieve an accurate quotation it is key to supply the right information early on, advise MiTek Mezzanine.

Designing a mezzanine floor is a complicated process, with a whole host of factors to take into consideration. When it comes to construction, the biggest factors will typically be the type and amount of steel used, along with the installation time required. The design stage is critical – it’s the opportunity to find the ‘sweet spot’ that provides sufficient strength and rigidity for your current and future needs but minimises overall cost.

Load capacity

The first thing to think about is the required load capacity. Do you need the same capacity across the whole platform, or across all floors in a multi-level solution? If not, it may be possible to use a hybrid mezzanine (constructed from hot-rolled and cold-formed steel) for the areas with higher loading and a cold-formed floor elsewhere. For example, if you need strength for pallet conveyors, we can use hot-rolled beams underneath just this section.

Slab condition

Another important consideration is the condition of your slab. A poor base will support a lower column load, meaning your mezzanine will need more columns. This adds cost in terms of both material and installation (as well as limiting how you can use the space below). As these costs multiply up over large floors, it may pay for you to invest in your slab instead.

Deflection limits

If you require less deflection – for example, due to sensitive equipment or if you’re using your floor for offices – you will need a more rigid structure. This means bulkier joists and beams, adding to the cost of your steelwork. Bracing affects cost too. While a fully braced frame is standard, moment frames can be specified as an alternative. Having an unbraced structure will typically increase costs by between 10 and 15%, due to different components being required. The geographic location of your mezzanine is another crucial factor here. If your project is in a seismic area – parts of Italy, for example – it’s really important to have early engagement with the mezzanine company, as seismic designs are not straightforward.

Site conditions

As installation costs form a significant proportion of the total cost of a mezzanine, factors that hamper work on site have a large impact. Will working hours or physical access be limited? Will specialist plant be required and will the presence of other contractors affect the build sequence? Then there are the required fire and decking specifications, plus the number of accessories – such as stairways and pallet gates – required.

With so many factors to consider, it is imperative that your mezzanine supplier receives as much information as possible. This is why MiTek provides a comprehensive RFQ (request for quotation) document for potential customers to complete. Of course, we’re happy to give you a ballpark price, but a detailed specification will avoid nasty surprises later on! When you receive quotes from mezzanine companies, check whether you’re comparing like for like. For example, have all Health & Safety measures been considered, such as the need for safety netting and edge protection? Look for accreditations that will give you peace of mind.

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