Plumber Red Seal · Question
What is the primary factor used to determine the required size of a gravity-type grease interceptor for a restaurant?
While seating capacity can be a secondary consideration, the NPC and most standards size gravity grease interceptors based on the total potential flow rate from
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Question: What is the primary factor used to determine the required size of a gravity-type grease interceptor for a restaurant?
Answer options:
- The number of employees working per shift.
- The combined total fixture units of all connected fixtures. ✅ The maximum flow rate in litres per minute from all connected fixtures.
- The seating capacity of the establishment.
Correct answer: The maximum flow rate in litres per minute from all connected fixtures.
Explanation: While seating capacity can be a secondary consideration, the NPC and most standards size gravity grease interceptors based on the total potential flow rate from the connected fixtures to calculate the required retention time.
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