Novant Health | Plumbing Troubleshooting 301

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Question 1 of 8

1. Question
The hospital’s entire domestic water system is operating outside of normal heating parameters. If all of the hot water heaters are functioning properly, which of the following devices or machines should be investigated first to identify the root cause of the temperature issue?
- heating water mixing valve
- deaerator
- steam boiler
- heat exchanger
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Question 2 of 8

2. Question
Which of the following outcomes is most likely to occur from pump failure within a heating water return system?
- longer than normal hot water travel time to plumbing fixtures
- loss of hot water reheat to the facility
- insufficient water pressure to reach top floors
- manual fire pump operation to maintain adequate system pressure
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Question 3 of 8

3. Question
In order to perform a repair, a plumbing contractor turned off the domestic cold water to an entire zone. Which of the following steps are required after the water is turned back on?
- Turn on all affected plumbing fixtures until the air is completely bled from the water lines.
- Chemically treat the condenser water system.
- Cycle the chillers on and off.
- Shut off return water pumps for at least 10 minutes.
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Question 4 of 8

4. Question
No water is coming to the building. What should be the first course of action in this scenario?
- (1) call the City to inquire about an outage
  (2) inspect the incoming main water connections and valves positions
  (3) inspect the backflow preventers
  (4) open the bypass for supply water to the campus
- (1) inform administration of the failure
  (2) implement emergency preparedness plan
  (3) ensure all valves are open
  (4) call the City to inquire about an outage
- (1) activate appropriate emergency response protocol
  (2) call the City to inquire about an outage
  (3) determine if the outage is limited only to the domestic water feed or if fire protection water and landscaping feeds are additionally affected
  (4) inspect the backflow preventers
- (1) confirm if the outage is limited only to the domestic water feed or if fire protection water and landscaping feeds are additionally affected
  (2) If fire protection is also affected, then implement an ILSM/ALSM and notify the fire department
  (3) inform Administration of the failure
  (4) implement the emergency preparedness plan
  (5) call the City to inquire about an outage
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Question 5 of 8

5. Question
At what point is the City or County municipality called to help with issues related to main sewer systems and storm sewer systems outside of the building?
- When the backup or problem crosses over from the Novant Health property side to the City side, call the municipality for help. If uncertain of the boundaries, consult a site plan.
- When water backs up out of man-holes and storm drains, call the municipality and notify them of the issue.
- If gray water is found in the storm sewer system, call the municipality for help. If uncertain of the storm sewer system location, consult a piping diagram.
- Notify the municipality if the sewer or storm system issue is cited during an accreditation survey as a conditional finding.
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Question 6 of 8

6. Question
A certain area in the kitchen has extremely cold water entering from the cold water side of the faucet. What is likely causing this issue?
- A chilled water line is mixing into the domestic water – most likely from a water-cooled, walk-in refrigerator.
- The fountain machine in the kitchen has failed and is supplying additional cold water to the nearby fixtures.
- The stem on the chilled water line has failed and needs to be replaced.
- There is no backflow preventer on the ice machine.
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Question 7 of 8

7. Question
The domestic hot water heater for an entire tower fails. What should be the responding course of action while the hot water heater is repaired?
- Open the hot water cross-connector supply and return (if available) from another tower that is fed from another hot water heater. Otherwise, notify the nursing supervisor.
- Run the cross connector supply and return (if available) to the process hot water. Otherwise, notify the nursing supervisor.
- Redirect condensate return to the domestic hot water system.
- Relocate patients to another area until domestic hot water to the tower is restored.
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Question 8 of 8

8. Question
A domestic hot water loss can’t be repaired immediately, but a cross-connector from another system is available. What steps are necessary to put the other system online to minimally impact the service?
- Turn on the cross-connector supply return and pump first. Then, shut off the supply and return valves on the hot water heater that is down.
- Shut off the supply and return valves on the hot water heater that is down. Then, turn on the cross-connector supply return and pump.
- Turn the power supply off to the domestic water heater. Then, valve off the domestic hot water supply.
- Valve off the domestic hot water supply. Then, turn off the power supply to the domestic water heater.
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Novant Health | Plumbing Troubleshooting 301

Novant Health | Plumbing Troubleshooting 301

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