Is there a decoration rule that sewer pipes must have inspection ports?

The sewer is at the inspection port. According to the specification, it should be about 1.2m from the riser to the ground. If there are any houses in this building that haven't been decorated, it's better to have the same layout as yours. Check the exact location of the entrance. Then you measure the specific location of the house, carefully cut the tiles with a marble machine, find the exact location of the inspection port, and make a movable cover with pvc board.

Setting requirements:

1, drainage riser should be provided with inspection ports, the spacing should not be greater than 10m, and it should not be greater than 15m when cleaning by machinery, but it must be set at the bottom and top of the building.

2. The height of the inspection port center on the riser from the ground is generally 1.0m, and the included angle with the wall is 15. The center of inspection port shall be 0. 15m higher than the upper edge of sanitary ware of this floor.

3. If a B-shaped pipe is installed on the riser, an inspection port should be installed on the B-shaped pipe.

4. A cleaning port should be set at a certain distance on the straight pipe section of the horizontal drainage pipe, and the maximum spacing should comply with the regulations.

5. When a large number of sanitary wares are connected to the horizontal drainage pipe, a cleaning port should be set at the beginning of the horizontal drainage pipe.

① Connect the horizontal drain pipes of two or more urinals.

② Horizontal drainage pipes connecting three or more sanitary wares.

6. On the sewage horizontal pipe with water flow inclination less than 135, a cleaning port should be set.

7, pipe diameter is less than 100㎜ drainage pipeline, should be set with the same size as the pipe diameter cleaning mouth; The cleaning port on the drainage pipeline with the pipe diameter equal to or greater than 100㎜ shall be 100㎜.

8. The maximum length from the inspection port on the sewage riser or the cleaning port on the discharge pipe to the center of the outdoor drainage inspection well shall be determined according to regulations.

9, cleaning mouth can't be higher than the ground, must be flush with the ground. The distance between the cleaning port at the beginning of the sewage horizontal pipe and the wall surface should not be less than 0. 15m.

10, industrial wastewater drainage pipeline that does not emit harmful gases and a lot of steam, and inspection wells can be set indoors in the following situations.

(1) When the pipeline turns or connects branch pipes.

(2) When the pipe diameter and slope change.

(3) At regular intervals on the straight pipe section (the production wastewater should not be greater than 30m；; Production sewage should not be greater than 20m)