At the beginning of the works of the finishing phase, the tambourine of the monument is leveled with the necessity of placing a barrier of tambourine about 40 cm high, on the perimeter of the building and the walls in preparation for immersing the tambourine with water, this procedure ensures that water does not leak down the building or down the walls of the neighbors, as water leakage has great negative effects, after completing the leveling of the tambourine and placing the required barrier, water is supplied and the tambourine is immersed, after the water dries, the tambourine is leveled by workers and then a tamper is brought to tamp the tambourine. After the water dries, the tambourine is leveled by workers and then a «roller» is brought to tamp the tambourine of the monastery, and it is taken into account that its size is appropriate and allows it to move freely on the site, provided that the tambourine is tamped well, at this stage there are no extensions in the monastery and it is good to use a 3-ton tamper, especially when tamping the front of the monastery and open spaces, and when it cannot be passed through the rebounds, a manual tamper is brought. After that, the plumber proceeds to implement the sewer network in the yard, as all sewage pipes coming down from each bathroom or kitchen are connected to the sewer network, the network is made starting from the farthest bathroom or kitchen from the septic tank «the cesspool» through the bathrooms closest to the septic tank, when the drainage pipe comes down from the bathrooms, it is connected to an inspection room and this room is within the sewer network.

When implementing the sewer network, a slope of at least 1 cm per one linear meter is taken into account, starting from the farthest manhole until the network reaches the septic tank or when it reaches the place where it is connected to the public sewer network in the street.

It is advisable not to implement manholes for sewers using blocks or concrete, as they are a fertile environment for insect breeding, no matter how much effort is exerted using insulation and so on, but insects remain an obsession that causes great inconvenience to the residents of the building, the goal of manholes, regardless of their size or construction method is to obtain a way to facilitate the sewer network when it is clogged Only, the line of the sewer network is determined according to the plan if available, and in the absence of a plan, the sewer network line is determined on the ground, and care is taken as much as possible that the sewer network is short without the need to surround the building from four sides, after that the digging is done by workers, and if the land is mountainous, mechanical equipment "Compression" is used to dig the sewer network lines.

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The plumber registers the materials required to implement the sewer network and is secured to the site, before starting the implementation of the sewer network, it must be ensured that the excavation floor is free of stones or construction waste, if the ground is rocky, it is recommended to spread fine sand under the pipes before extending them, the pipes are connected to the sewer network using flexible joints The sewer network is connected using flexible joints with grease, and it is not recommended to use glue to connect the network pipes, as the implementation of pipes and connections of the sewer network using glue may lead to their breakage in the event of any slight subsidence in the floor of the garden, due to the lack of sufficient flexibility between the joints and pipes.

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The manholes are implemented using plastic pipes by installing a section (Y) in the pipe and then connecting it to a light elbow that is provided with a high pipe that is higher than the level of the shower, so that later when installing the tiles, the pipe is cut according to the required height, the sewer network is implemented using high-quality materials, and the pipes are completely straight without bends, the network pipe size is 6 inches 160 mm, as for the pipes coming down from the toilets The pipes coming down from the toilets are 4 inches 110 mm, at the same time the drainage pipes for emptying the basement septic tank are connected to the sewer network in the basement, it is good to make manholes every 5 to 6 m. This helps a lot in the wiring process when there is any blockage in the future, at the same time the required filters are established in the basement and the drainage is established in case there is a slaughterhouse and so on or a car wash place.