As a young driver/engineer and fire apparatus mechanic, I have a fascination with pump operations, water supply and fire apparatus mechanics in general. Time and time again, over the last 12 years of ...
Article 695 covers the electric power sources and interconnecting circuits for electric motor-driven fire pumps. It also covers switching and control equipment dedicated to fire pump drivers. Article ...
In the NEC, the normal philosophy for circuit protection is to shut down equipment before allowing the supply conductors to overheat. Article 695 departs from this philosophy. The fire pump motor must ...
Consider the consequences of a priming system malfunction or failure during a drafting procedure at a working structure fire. A delay in delivering water, or no water delivery at all, is likely to ...
It has been said, “You don’t know what you’ve got until it’s gone.” This concept can be all-too-familiar for anyone who has ever neglected a pump. A dependable pump isn’t truly appreciated when it’s ...
Wear and leakage are common maintenance problems that result in pump discharge pressure dropping below optimum levels and reduced pump efficiency. Converting pumps to mechanical seals eliminates ...
Should you test your pump? You would think the answers would be a no-brainer; however, I’ll bet that if we conducted a survey around the country, we’d find that a large number of fire departments ...