Fire pump components

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Across
  1. 3. An indicator of status.
  2. 4. A pump that is a provider of liquid flow and pressure dedicated to fire protection
  3. 6. A quantity used to express a form (or combination of forms) of the energy content of water per unit weight of the water referred to any arbitrary datum.
  4. 7. A small discharge of water is required to prevent the pump from overheating when operating under no flow (churn) conditions
  5. 8. A device that allows the diversion of liquid to limit excess pressure in a system.
  6. 9. A timber, concrete, or masonry enclosure having a screened inlet kept partially filled with water by an open body of water such as a pond, lake, or stream.
Down
  1. 1. Requiring human intervention to perform a function
  2. 2. The vertical difference between the pumping water level and the static water level.
  3. 3. The conductors and equipment connecting the serving utility to the wiring system of the premises served.
  4. 5. The capacity of the pump at rated speed and rated pressure as marked on the manufacturer's nameplate.