Estimating and Costing

Pick up the correct statement from the following:

  • A. In a gully trap, a water seal of 6 to 7.5 cm is provided
  • B. The gully trap collects waste water from the kitchen, sink, wash basins, etc.
  • C. The gully trap disconnects the sullage drain from the main drainage system
  • D. The grating provided over gully traps is 23 cm square
Answer: Option B.

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