Seeing as how the skaters that train there (Mao, Miki, Kozu) usually do so with very little interruption I certainly don't think public access is allowed. The Japanese Fed recognizes it as a "private rink" which further supports this...
(I mean, the rink at the Nagoya Sports Center is crowded by not only skaters, but spectators and parents too).
"She's like...a souffle on the ice." -Dick Button
☆ Mao-chan Supporter ★ ~真央ちゃん頑張れぇ~ ☆