Rinks Management and Maintenance

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posted Feburary 15, 2006

Refrigerant Safety Issues

According to its thermodynamic qualities, ammonia is one of the best refrigerants presently known. Ammonia does not deplete ozone layer and does not directly contribute to the increase of greenhouse effect. There are, however, acute human dangers associated with ammonia.Read More >>

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posted Feburary 15, 2006

Ice Thickness

Each time the ice surface is flooded, the ice slab increases in thickness. While this increase is minimal, there is an additive effect throughout the rink season. Rain events also create thicker ice if the excess water is not scraped off before temperatures fall below freezing. Thicker ice requires more energy to keep it frozen on warmer or sunny days. On these days, the refrigeration plant may not be able to keep a thicker ice sheet frozen, resulting in the sloppy ice that we've all come to know and hate.Read More >>

Further Reading: Ministry of Natural Resources information on rink maintenance

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posted February 6, 2006

Letter to the general manager of Parks, Forestry and Recreation,

February 6, 2006

Dear Brenda,
The Toronto Star says this morning that you are offended by the rink comments on our web site. I am forwarding you my memo of what's wrong (below), which I sent to Tino DeCastro this morning.Read More >>

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posted January 31, 2006

Outdoor Rink Reports, 2005 - 2006

Here's a look at the running of some of Toronto's outdoor rinks during the rink season of 2005/2006. Toronto has 47 neighborhood compressor-powered outdoor rinks (that's not counting the big outdoor rinks in central squares). The rinks range from lively meeting places for their neighborhoods to squalid hangouts for very troubled people. The rinks are also demonstration sites of the joys and troubles that beset city staff. Jutta Mason visited some rinks every day, some just occasionally.Read More >>

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