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Exhibit A1, A2, & A6 5-8-23 1 <br />Exhibit A1: Design & Engineering <br />DESIGN & ENGINEERING <br />•Work with general contractor on all aspects of the construction scope and scheduling <br />•Prepare Specifications for the: chiller(s), ice rinks, dasher boards, and accessories <br />•Prepare Construction Drawings for the: chiller(s), ice rinks, dasher boards, and resurfacer room. <br />•Prepare and Present: Submittals for Owner’ approval <br />•Produce Engineered Stamped Drawings of ice rink related work for permitting <br />SPECIFICATIONS <br />REFRIGERATION DESIGN CRITERIA <br />1.Operational Season:8-12 months per year depending on rink <br />2.Geographical Region:South Bend, IN <br />3.Seating Capacity (approximate): <br />a.Rink 1 TBD <br />b.Rink 2 TBD <br />c.Rink 3 TBD <br />4.Ice Rink Size: <br />a.Rink 1 - existing 200’ x 85’ <br />b.Rink 2 - existing 200’ x 85’ <br />c.Rink 3 – new construction 200’ x 85’ <br />5.Ice Thickness:Maintained at 1 ¾” thick <br />6.Ice Rink Cold Floor Warranty:10-year leak free <br />7.Dasher Placement:Dasher frame mounted on the Cold Floor in concrete <br />floor application and on perimeter concrete for sand floor application <br />8.Refrigeration System: <br />a.Construction: <br />i.Custom industrial Ammonia skid to be installed in the existing mechanical room <br />b.Total Cooling Capacity: <br />i.300 Tons for three rink industrial chiller design <br />c.Redundancy: <br />i.3 Compressors, 300 ton chiller design – 3 rink capacity <br />d.Primary Refrigerant: <br />i.Custom ammonia skid R-717 <br />e.Secondary Refrigerant:22% Calcium Chloride <br />f.Ambient Design Conditions:80ᵒF wet bulb, 95 oF dry bulb. (ASHRAE 0.4%) <br />g.Arena Space Conditions:60ᵒF & 40% relative humidity (36ᵒF Dew Point) <br />h.Electrical Service:Single power point connection