Snow City (Chinese: 雪城) is Singapore's first indoor snow centre located within the Science Centre, Singapore area beside Ommi-Theatre in Jurong East. Snow City introduces the concept of snow and cold climates in a fun, entertaining and educational way. Visitors can experience real snow, a sub-freezing climate and a three-storey high snow slope.
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Snow City is a joint venture by the Science Centre, Singapore and NTUC Income Co-operative Pte Ltd. The idea behind the collaboration was that Singapore being a tropical country, many Singaporeans have never had the opportunity to experience the cold climates and snow. With the set up of Snow City will give everybody a chance to learn more about snow, in a fun way.
The 3,000 sq-metre centre was built at a cost of S$6 million and was officially opened in 2000.
Visitors will first arrived at the Air Lock, which is maintained at 10°C. This allows visitors to become comfortable with the lower temperatures before they enter the chamber itself.
The main focus of Snow City is its Snow Chamber, a 1200 sq-metre room covered with snow. The Snow Chamber is well maintained at -5°C and snow level is kept constantly at 400mm in depth. Between 10 to 15 tons of snow is created each week in order to maintain this level. The snow is produced using a special Snow Gun, which cools water using liquid nitrogen.
Inside the Snow Chamber, is a 60 meter long high slope which is about 3 storeys high. 'Snowtubing' is the main activity, where visitors will be sliding down the snow slope while sitting on an inflatable tube.
There is also a Snow-Play Area for the younger children.
There is a place for wine and dine on level 2, named Alphine Lodge.
Snow City's sound educational programmes and workshops are available to schools and interested groups.
Lessons for skiing and snowboarding is available at a fee. Ski & Snowboard equipments and winter apparels are also available at a retail shop namely Snowline located in Snow City.
A specially designed Snow Gun is used in the production of snow on site.
Firstly, water is atomized using high-pressure compressed air. The water then arrives at the snow gun and is pushed out of the special nozzles at the end of the barrel. Liquid nitrogen which freezes at a low temperature of -196°C is also passed through the snow gun at the same time. The extreme cold of the liquid nitrogen instantly freezes the atomized water into powder-like snowflakes.
The simplified formula to produce snow is