Types of Fire Pumps. A fire pump is a specialized water pump that provides constant, high pressure for a water system used to extinguish fires. The fire pump intake can be connected to an underground water pipe or a static source, such as a water tank or reservoir. Fire pumps may be powered by an electric or diesel motor.
ASHRAE 90.1 (Energy Standard for Buildings Except Low-Rise Residential Buildings) is a US standard that provides minimum requirements for energy efficient designs for buildings except for low-rise residential buildings. The original standard, ASHRAE 90, was published in 1975.
Specifically, it lists for data centers in ASHRAE classes 1 and 2 (refer to the. referenced ASHRAE book for details on data center type, altitude, recommended vs. allowable, etc.) a recommended environment range of 20 to 25 oC (68 to 77 Â°F) (dry bulb. temperature) and a relative humidity (RH) range of 40 to 55%.