ARSD 44:73:12:35. Hot water systems

A facility shall ensure any hot water distribution system over fifty feet, or 15.24 meters, long recirculates to provide hot water at each fixture at all times. The hot water heating equipment must have sufficient capacity to supply water at the temperature of one hundred forty degrees Fahrenheit, or sixty degrees centigrade, and amounts indicated in the following: (1) Three gallons an hour, or .0033 liters a second, for each bed; (2) Two gallons an hour, or .0020 liters a second, for each bed for dietary; and (3) Two gallons an hour, or .0020 liters a second, per bed for laundry. Each storage tank provided must be fabricated of noncorrosive metal or lined with noncorrosive material.