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.
BTU Calculator & BTU Formulas. A BTU is an abbreviation for British Thermal Unit, which is the amount of energy required to raise 1 pound of water 1 degree Fahrenheit at sea level. A BTU is a relatively small amount of energy... about equivalent to the heat generated by striking 1 stick match. You can calculate BTU heating or cooling requirements for your process by understanding your application. Some common BTU calculating formulas are shown below. Weighed Water Test: Measure the flow of water through your process by timing how long it takes to fill a known volumne container. For example, allow your process water to fill a 5-gallon container.