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Arenas that host both basketball and hockey games have to frequently change from one format to the other. This process can take anywhere from 90 minutes to a full day, depending on the number of workers and the technology used. To convert a hockey rink to a basketball court, the walls and glass panels are removed, and the ice is insulated with plywood. The basketball court is then pieced together on top of the plywood. The reverse process is carried out to convert a basketball court to a hockey rink.
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What You'll Learn
The ice rink is always left in place
It is understood that the ice rink is not always left in place at Madison Square Garden (MSG) in New York City when transitioning from hockey to basketball games. In fact, the ice rink is removed and stored until the next hockey game. However, some people believe that the ice is always there, and that black mats are placed on top of it, followed by the wooden 'puzzle pieces' that form the basketball court.
MSG is a unique arena in that it hosts both hockey and basketball games, requiring a transformation of the playing surface. The ice rink, which is a key feature of hockey games, is installed to cover the basketball court during hockey games. When it is time for a basketball game, the ice is removed, and the basketball court is set up. This process involves a lot of work and takes a little under eight hours to complete.
The seating configuration also differs between the two sports. For hockey games, the seats are arranged closer to the ice rink to provide better visibility of the action. In contrast, for basketball games, the court is positioned in the centre, and the seats are configured to focus on the court. The temperature of the arena also needs to be adjusted when switching between sports.
In addition to the physical changes to the arena, the scoreboards and displays must also be altered. During hockey games, the scoreboard includes hockey-specific details such as penalty timers and shot counts. These features are modified or removed when switching to basketball, and new elements such as shot clocks and basketball-specific stats are added. The player facilities also differ between the two sports. Hockey players require locker rooms with ice baths and specialised equipment, while basketball players need training rooms and basketball courts.
Overall, the transition from hockey to basketball at MSG involves a lot of work and takes several hours to complete. While the ice rink is typically removed during this process, there are some beliefs that it may sometimes be left in place, hidden under the black mats and basketball court.
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An insulating layer is placed on top of the ice
The transition from a hockey rink to a basketball court and vice versa is a complex process that involves several steps. One of the most important aspects of this transformation is the management of the ice surface, which requires careful insulation and temperature control.
To convert a hockey rink to a basketball court, an insulating layer is placed on top of the ice. This insulating layer serves as a barrier, preventing the ice from melting and creating a stable surface for the basketball court. The insulation material used is typically thick black foam mats, which are laid down directly over the ice. This process is demonstrated in videos of the Staples Center in Los Angeles, where staff members are seen placing the insulating layer before setting up the basketball floor.
The insulating layer plays a critical role in maintaining the integrity of the ice. By preventing direct contact between the ice and the basketball court, the insulating layer helps to regulate the temperature and slow down the transfer of heat. This ensures that the ice remains frozen and solid, even when the stadium temperature may be warmer during a basketball game.
Underneath the ice, a chilled concrete slab is present to keep the water frozen. This concrete slab is not a simple flat surface but is designed with pipes running through it. These pipes circulate a very cold liquid, such as antifreeze, which continuously cools the concrete and maintains a low temperature. By having this chilled slab, the ice above it remains frozen, and the insulating layer further enhances this effect by reducing heat transfer from the court above.
The process of transforming the venue from a basketball court back to a hockey rink involves removing the insulating layer and exposing the ice. In some cases, the ice may need to be melted and drained for certain events that require a regular floor, such as a circus or monster truck rally. However, this is a time-consuming process, so it is not done frequently, and the ice is usually maintained under the basketball court during the season.
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Mats made from rubber or fibreglass-foam are laid out
The process of converting a hockey rink to a basketball court involves several steps, and one of the most important ones is laying out mats made from rubber or fibreglass-foam. This step is crucial to creating a suitable surface for basketball while also protecting the underlying ice.
Rubber mats offer excellent protection for the base flooring. They can withstand heavy foot traffic and absorb the shock and pressure of heavy weights, preventing any potential damage to the underlying surface. Rubber is highly durable and resilient, making it ideal for withstanding the constant trampling of sharp skate blades. It provides a safe and stable walking surface for skaters, increasing traction and eliminating the danger of slipping.
Additionally, rubber mats are non-porous and waterproof, preventing any water dripping from skates from damaging the skating rink floor. Some mats may also feature drainage holes or channels to effectively manage standing water and prevent hazardous conditions. The high coefficient of friction of rubber ensures that traction is maintained even when the surface is wet.
Fibreglass-foam mats, on the other hand, provide a similar function by creating a protective layer between the ice and the basketball court. This helps to regulate temperatures, keeping the basketball court warm while maintaining the ice rink below at a cooler temperature.
Overall, the use of rubber or fibreglass-foam mats is an essential step in the conversion process, allowing for a seamless transition from hockey to basketball in multi-purpose arenas.
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Basketball court is laid on top, in a stair-step pattern
Arenas with basketball courts laid on top of hockey rinks in a stair-step pattern typically have a machine under the arena that keeps the ice frozen. The ice is always there, and it is not melted off during conversions. Instead, it is covered with thick black foam mats, and then the basketball court is laid on top.
To convert a hockey rink to a basketball court, the walls and glass panels around the rink are removed. Then, large pieces of insulated plywood are laid out over the ice. The basketball court is then pieced together like a puzzle on top of the plywood. The plywood keeps the ice cool and the court warm. The court is made up of 285 wooden pieces, each weighing 186 pounds, totalling 26.5 tons. It is placed in a stair-step pattern, with all the lines in place. Each piece takes four people to lock in, and then the crew uses a sledgehammer to tighten it.
The process of converting a hockey rink to a basketball court can take anywhere from 90 minutes to a full day, depending on the technology used, the crew size and efficiency of the workers. In some cases, the transformation may take up to a few days to complete.
After the basketball game, the process is reversed to get the arena ready for the next hockey game. The basketball court is removed, and the ice is exposed. The ice is kept frozen and maintained until the hockey season and playoffs are over.
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The process takes around 90 minutes to a full day
The process of changing a hockey rink to a basketball court and vice versa typically takes around 90 minutes to a full day. This transformation is commonly performed in stadiums that host teams from different sports leagues, such as Los Angeles' Staples Center.
The quick turnaround time is made possible by leaving the ice rink intact and building the basketball court on top of it. Underneath the ice is a concrete floor with temperature control mechanisms to keep the ice frozen. When it's time to switch to a basketball game, workers lay interlocking mats made of rubber or fibreglass-foam composite over the ice. On top of these mats, they assemble the basketball court, which is made up of heavy wooden pieces locked together in a precise pattern.
A former employee of Madison Square Garden (MSG) confirmed that the ice is always there, and they used to cover it with thick black foam mats followed by the wooden 'puzzle pieces' to form the basketball court. This process usually took them a little under 8 hours to complete.
The transformation process is not unique to MSG, as other arenas also employ similar methods. For example, the Verizon Center in Washington, DC, and arenas in Toronto and Boston also build their basketball courts over the ice rink. This efficient method of converting the playing surface allows for greater flexibility in scheduling games for different sports leagues.
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Frequently asked questions
The ice rink is always left in place and large sections of flooring are placed on top to form the basketball court. The process takes around 8 hours.
First, interlocking mats made from rubber or fibreglass-foam composite are laid over the ice. Then, deck boards topped with basketball-ready parquet are placed on top.
Depending on crew size and efficiency, the transformation time can range from 90 minutes to a full day.
This is because multiple teams from different leagues may use the same stadium.
Under the ice is a concrete floor embedded with temperature control mechanisms to keep the ice frozen.
