A single wheelchair space shall be 36 inches (915 mm) wide minimum Where two adjacent wheelchair spaces are provided, each wheelchair space shall be 33 inches (840 mm) wide minimum.
Definition of RTU in Construction Roof top units. The RTU is a piece of mechanical equipment that is designed to heat, cool, ventilate by providing air flow for any combination of the three.
A BTU (British thermal unit) is the basic measure of heat/thermal energy. One BTU is the amount of energy needed to raise the temperature of 1 pound of water by 1Â° Fahrenheit. BTUâs are a non-metric unit of measure that is commonly used to rate the heat output of fuels and heating appliances. Most heating systems produce thousands of BTUâs.