For schools with indoor swimming pools, the natatorium (swimming pool area) must meet the requirements of the ASHRAE HVAC Applications Handbook, 2003 edition, Chapter 4 (Places of Assembly), Typical Natatorium Design Conditions. Purchase a copy of the Han

For schools with indoor swimming pools, the natatorium (swimming pool area) must meet the requirements of the ASHRAE HVAC Applications Handbook, 2003 edition, Chapter 4 (Places of Assembly), Typical Natatorium Design Conditions. Purchase a copy of the Handbook and review the requirements. Relative humidity levels of 40%–60% have to be maintained; 50% is optimal.