6.12. SR 03-02-1998 - Laserfiche WebLink

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ELK RIVER ARENA 1000 SCHOOL STREET P.O. BOX 720 ELK RIVER, MN 55330 (612) 441 - 2956 FAX (612) 241 - 9432 Item ~6.12. To: Elk River City Council From: Rich Czech, Arena Manager ~ Cliff Skogtad, City Building Official Date: February 26, 1998 Re: Dehumidification, Ventilation, Heating in Arena During the spring and summer of the 1997 season the arena experienced high humidity levels. The result of the high humidity was condensation on every surface of the building that was colder than the air. Some of the problems that have risen from this are: the arena experiencing water dripping from the ceiling, which causes stalagmites on the surface of the ice; rusting of the ceiling/wet floors, making the floors slippery; pistons to the door closers rusting making it very hard to open the spectator exit doors; and speakers for the P.A. system with ice build up on them. The reason for the high humidity in the building is the ventilation and dehumidification. The two go hand in hand. When venting the air in the building, the make up air is not conditioned before introduced into the building. This basically means that the humidity level of the air outside is what is brought in. When outside air is conditioned there is less humidity in the air being brought into the building. The dehumidifiers that are installed in the arena are more or less a large air conditioner units. They are designed to operate at their highest efficiency level in warm climates (60 - 80 degrees). Since the arena is relatively a cool building this system is very inefficient. Bringing enough heat into the building to have them operate at peak efficiency would be impractical. Even if heat was added to the building the two units are not large enough to remove all the humidity out of the air. We are proposing that the city have Delano Erickson Architects conduct a feasibility study to determine what steps need to be taken to correct this problem. (Please see attached proposal). Delano Erickson Architects have worked on problems such as ours for over (30) thirty years. Recently their projects have included: Maple Grove Community Center, Edina's third sheet of ice, Eden Prairies second sheet of ice and renovation to their first sheet, and Burnsville second sheet of ice. We have requested a resume from them and should have it in the near future. The study will have recommendation of three different phases, the dehumidification, the ventilation, and the heating along with an estimated cost of each phase.