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What is the maximum depth that floor joints can be notched for allowing the passage of pipes or conduits?
One-sixth
One-quarter
One-third
One-half
The correct answer is: One-sixth
The maximum depth that floor joints can be notched for allowing the passage of pipes or conduits is limited to one-sixth of the total depth of the joint. This requirement is established to ensure the structural integrity of the joists. Notching beyond this specified depth can significantly weaken the structural capacity of the floor system, leading to potential safety hazards like increased deflection and failure under load. Limiting notching to one-sixth strikes a balance between providing necessary space for utilities and maintaining sufficient support for the loads the floor is designed to carry. The other options, which suggest deeper notches, may compromise the strength and stability of the floor system, which is why they are not permissible according to building codes.