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It can't be deducted, because the bathroom leveling is for the ground waterproof construction treatment, and the entire bathroom floor must be leveled, so it can't be deducted.
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When the actual bathroom is leveled, the squatting toilet in the horizontal plane occupies the area, and it should be considered for deduction.
Calculate the floor area of the bathroom, and generally do not deduct the squatting area. If you calculate the area of tiling, you should remove the squatting area.
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It's best not to, it's easy to leave dirt on the stage, it's not good for hygiene, and the second is easy to cause wrestling.
Estimated area of the toilet: The estimated construction area of each squat position (including stool squatting (sitting) position, urine standing position, aisle width and other equipment, etc.) in the toilet is 4 9m2. (7 9 m2 for Class 1 toilets, 5 7 m2 for Class II toilets, and 4 6 m2 for Class 3 toilets).
The construction of the waterproof screed should be carried out after the construction of the screed. The drainage slope of the ground to the floor drain is 2%; The edge of the floor drain is 50mm outward, and the drainage slope is 5%; The ground of a large area of public toilets and baths should be partitioned, and a floor drain should be set up in each district, and the drainage slope in the area should be 2%, and the straight length of the slope should not be more than 3m; The floor of the foyer of the public toilet can be unsloped.