Obtaining a positive water supply often is considered a mundane assignment on the fireground. For smaller fires in residential and commercial occupancies, the task doesn’t require much thought.

Your vehicle's engine cooling system is one of its most critical components. Its primary responsibility is to cycle coolant — which is a 50/50 mixture of water and antifreeze — through your engine to ...

I would like to thank Rebecca Ellis, P.E., for her 25 years’ worth of contributions to this publication. She has made, and continues to make, significant impacts on this industry, and I am grateful to ...

i. Lead secondary chilled water pump will be enabled anytime the chilled water (CHW) system is enabled and will remain enabled for 30 minutes after the CHW system is disabled. b. Pump speed control i.