Last year a client nearly signed a lease on a mall atrium without checking a thing. I stopped him and asked three questions: can the floor slab carry the load, does the power supply have enough headroom, and is the ceiling high enough for the pipe grid? He couldn't answer any of them. That's how most ice rink projects die — not because the ice won't freeze, but because nobody guards the early gates.
Building an ice rink is, at its core, fitting a permanently frozen slab intoice rink an ordinary building. It sounds simple. From site selection to opening day there are eight stages, and each one has numbers you can't skip. Here they are, in order, based on real projects we've delivered across China.
Stage 1 — Site assessment. A rink is not something you drop into any retail unit. The ice plus the equipment presses several hundred kilograms onto every square meter, and a normal mall floor slab simply can't take it — you need a structural review and often reinforcement. Clear height, floor load capacity and evacuation width are the three numbers to check first. Then there's power. A 600 m² rink needs a chiller plant of 250–300 kW, and an older building may not have that anywhere in it, so get a capacity-upgrade plan from the utility before you sign, not after the equipment arrives. Don't forget water and drainage either — ice pouring, ice melting and ice washing all need water, and if the drains aren't right, the meltwater has nowhere to go and the floor below pays the price. Clear height matters too: the chiller, ceiling work and pipe grid eat up a lot of headroom, and if it's short the equipment simply won't fit.
Stage 2 — Permits and approval. A rink touches refrigerant pressure vessels, fire safety and sanitation, and any one of them can block your opening day. In China the pressure vessels and refrigerant fall under special-equipment regulation, which means the design has to be submitted for review early. The fire review looks at evacuation routes and fire compartments, and the sanitation permit is the last gate before you open. None of this can be bolted on after the equipment is installed — start the paperwork before you break ground.
Stage 3 — Design. This is the most important stage and the one people get wrong most often. It all hangs on one number: cooling load. A recreational rink runs at 150–180 W/m²; a competition rink needs 180 W/m² or more. But you don't size the plant for the running load — you size it for the initial freeze. First freeze is roughly 1.5 to 2 times the running load, and in a hot, humid southern city you simply select 400–500 W/m². Take the real case of a 700 m² rink in Guangzhou's Grandview Mall: the plant is 270 kW, or 386 W/m², and day-to-day it only runs about half its compressors. That's the whole logic of sizing for first freeze. There's also a quick rule of thumb for plant capacity: ice area times 0.4 to 0.5 kW. At design stage, work out dehumidification and heat recovery at the same time: don't waste the condenser heat — reclaim it to warm the ice-making water and you'll shave a good slice off the power bill every year. One side note worth underlining: designing an ice rink and designing a ski slope are two different disciplines. A rink freezes through underground pipe contact cooling, while a ski slope cools the air with roof-mounted coolers — so the selection logic, the pipe layout and the equipment all differ. Don't apply ski-slope experience to a rink. Zoom out, and the whole ice rink construction process really turns on this stage: get the load wrong and every later trade inherits the error.
Stage 4 — Sub-base and civil works. Under the ice sits a stack of layers: levelling sand, insulation, and a structural base, with the pipe grid laid on top. Insulation is typically 100 mm of XPS — get this layer wrong and the cold leaks straight down into the floor below, and your summer power bill will make you wince. The structural base is usually 60 mm of frost-resistant concrete with reinforcement, to stop frost heave from cracking it. In a humid southern climate you also need dehumidification at this stage, otherwise the ceiling drips and the ice fogs.
Stage 5 — Refrigeration installation. Three parts: the chiller, the pipe grid, and the glycol loop. The grid uses Ø25 HDPE pipe cast into the concrete, and a glycol–water solution circulates through it to carry heat away. A common coolant is 40% glycol, with supply and return around -13°C/-10°C. Refrigerant is increasingly R507-class, with an ODP of zero to meet environmental rules. One chiller failing means the whole rink stops, so commercial rinks run multiple units in parallel and always keep at least one spare — the Guangzhou rink I mentioned is a live example of several twin-screw compressors running side by side.
Stage 6 — Ice pouring. You don't dump a barrel of water in and call it done. You build the ice up layer by layer — 30 to 50 passes — until the slab is at least 25 mm thick, or 30 mm for competition use. First freeze takes roughly 72 hours. There's no shortcut, and anyone who tells you they can flash-freeze a full rink overnight is cutting corners you'll pay for later. Hold the ice at -4°C to -5°C; too hard or too soft, and skaters feel it.
Stage 7 — Barriers and dasher boards. The inner board stands 950 mm high with a 280 mm kick plate, about 1.2 m in total. It looks like an accessory, but it's a safety red line — the national standard sets hard requirements on the thickness, height and impact strength of the barrier. Cheap barriers fail, and when one fails, it's a skater who goes into the wall. Don't save money here.
Stage 8 — Commissioning and acceptance. The refrigeration system runs at full load for 72 hours without fault, then the whole venue runs a 30-day trial. Fire, sanitation and special-equipment inspections all pass, and only then do the doors open. This final stage is where a lot of schedules slip, so build it into your timeline from day one.
As a rough budget anchor, a standard 860 m² rink — equipment, civil works and barriers included — lands around ¥1,700 per square meter. Break it down and the chiller equipment is roughly half, the ice surface works about a third, the barriers a bit over a tenth, and the rest is pipe installation. Your real number will move with the region and the chiller configuration, but that's a fair starting point for planning.
Two more things are welded to the build and worth flagging early: dehumidification and maintenance. In a southern city you need to hold indoor humidity to 40–55%; if you can't, the ice fogs and the ceiling drips, so reserve a dehumidifier position at design time. After opening, the ice resurfacer makes a pass every day to keep the surface flat, and the refrigeration system needs its filters and refrigerant leaks checked on a schedule — I've written separately about that maintenance side, with the link at the end.
Eight gates, each with a specific number attached to it. Don't rush to sign the lease. Answer the three questions in stage one first, and everything after gets a lot smoother.
Beijing Yangsheng Ice & Snow Technology Co., Ltd. — ice venue design, refrigeration system construction, and turnkey delivery.
