Internal sewerage. Mounting Features
System of pipelines connected to devicessanitary equipment, has the name "internal sewerage". In each building of a modern type, the internal sewerage network is planned. The purpose of the equipment is to collect off-shore waters and divert them from the structure to a centralized or autonomous sewage system.
Internal sewerage in a private house. Furnishing
The laying of individual sewerage should begin with preparatory work:
1. Drawing up a communication scheme.
2. Preparation of marking on the walls and floors of the building.
3. Preparation of depressions and channels for concealed wiring.
Pipes for building a house network will suit cast ironor plastic. The diameter of the risers is usually 100 mm. With the same diameter of the pipes, the internal sewer is arranged from the toilet bowl to the entrance to the riser. From the bathrooms, washrooms, shower cabins, pipes with a diameter of 50 mm are installed.
Internal sewerage. Installation
Sewerage in the house is recommendedconduct after its arrangement outside, with a factory in the house of the exhaust pipe (on the first floor or in the basement room). In this case, the risk of inconsistency between the two networks is eliminated. In the absence of such an opportunity, the installation of the system must begin, leaving a significant area before the release of not yet ready. Although any manipulation depends on the specific conditions. Adhering to such recommendations, it will be possible without great difficulties to connect communications into one common network.
The horizontal sections of the system should be laidstrictly in a straight line, not allowing distortion of the bias. The direction of the pipeline can be changed with the help of a fashion. Vertical sections of the system are mounted without fractures in the socket. If the scheme requires the installation of a fittings, the installation of the pipe is performed with the part already inserted and fixed.
Setting the angle of the network on a horizontal surface is carried out using a special tool (level).
Internal sewerage of an individual house withTurning to a right angle in the floor construction is assembled from two plastic knees with an angle of 45 degrees. Also, it is possible to use cast-iron bends in the number of two pieces and an angle of 135 degrees. In order to eliminate the formed clogs on the sections of the sewage network, use a plastic tee or a cast-iron tee with a 45-degree angle with a plug.
The branch pipelines of the internal network in the private house, located under the ceiling, are connected to the risers in the basement by means of crosses and slanting tees.
During the discharge of effluents, as a resultdischarge in sewerage pipes, water can be sucked from the siphons of sanitary equipment into the sewage system. Such action leads to penetration into the room of unpleasant odors. In order to avoid a negative situation, you should install a fan (exhaust pipe). It is removed to a height of 70 cm through the roof.
Internal sewerage of PVC
It is worth noting that with the arrangement of modernthe most common advantage is given to pipes made of PVC. They are of good quality, resistant to aggressive environments. In wastewater there are many aggressive chemicals. Therefore, it is recommended to purchase PVC material. The quality of the pipes ensures a long service life. High physical properties are manifested in the period of sharp temperature changes. In addition to the above advantages, there are a number of positive qualities of PVC sewerage:
1. Low coefficient of thermal expansion.
2. Low flammability, propensity to self-extinguish.
3. High level of protection against noise.
4. Thermal resistance.
5. Durability (up to 50 years).
6. Ease of installation.
7. Safety for human health.
To date, the use of PVC pipes is very wide. They are used both in multi-storey buildings and in private houses. Among other things, their cost is relatively small.
