ICESR MEMO 12-05-2003 - Laserfiche WebLink

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ELK RIVER ARENA 100 SCHOOL STREET NW ELK RIVER, MN 55330 (763) 635 — 1141 Fax (763) 635 — 1144 rcz_echlu>ci.elk-river.mn.us To: Arena Commission From: Rich Czech Date: December 5, 2003 Subject: Arena Update Saying we had a tough time getting ice in the Barn this past fall would be an understatement. With a reluctance of not giving up, long hours from staff and myself, technical support from Mark Rodrigo from Commercial Refrigeration, and many prayers we were able to sustain ice in the Barn. Once we had ice in the Barn, we noticed a couple of areas where the ice was not setting up as fast as the rest of the rink. This was caused from pipes being either plugged or restricted. One area in particular where two or three pipes together were plugged was not setting up at all, causing this area of the ice to have a dip in it. After trying several different ideas to maintain this area, we decided that something needed to be done. On November 26th we went back into the floor to try to remove any impurities from theses three pipes. We were able to get the outside pipes pretty clean, however we were unable to completely remove all the impurities from the middle pipe. We felt that since we were able to clean the other two pipes,we could deal with this pipe being a slow pipe, the refrigerant will still go through the pipe, but not at the volume it would if the pipe did not have ant restrictions. Once the system was back on line it looked like we were successful in our efforts, however over the weekend it looks like the pipe we could not completely clean was plugged again. The area in question sets up a great deal faster than it did before, but with the one pipe being plugged this area could be a problem area that we may have to fix before the season is over. We will be keeping a close eye on this area throughout the season.