The grease trap specified at Fitzroy High School building was needed in order to...

Question

BlackTom AI · Accepted Answer

The question asks about the purpose of the grease trap at Fitzroy High School building and how it functions within the waste system.
Option 1: 'trap oils in the waste water from toilets' — This is not accurate because grease traps are typically connected to kitchen effluent, not toilet waste. Toilet waste is handled by the sewer line and solids/fluid balance there, whereas oils and greases come from kitchen activities.
Option 2: 'does not trap oils, but solids' — This statement mischaracterizes a grease trap, whose primary role is to separate and trap fats, oils, and greases from the wastewater. While some solids may be retained, the core function is oil/gr grease separation, so this option is incorrect.
Option 3: 'trap oils in the waste water from the kitchen or cafeteria washing troughs' — This aligns with standard practice: grease traps are installed to capture fats, oils, and greases originating from kitchen activities and washing troughs before the effluent enters the drainage system, reducing fat buildup and blockages. This option correctly identifies the source and purpose.
Option 4: 'trap oils in the waste water from FWG's' — FWG's is not a standard reference in this context, and the statement does not describe a typical intended use of a grease trap, making it an unlikely or irrelevant option.
Option 5: 'vent foul odour generated by trapped oils' — While removing oils can help reduce some odour issues, a grease trap itself does not vent odours; its function is to separate and capture oils from wastewater. Odours are managed by ventilation and other system design, so this is not an accurate description of the trap's primary purpose.

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