A lot of hidden construction problems
A lot of hidden engineering problems
Problem 1: The wire is not insulated
Newly married Xiao Wang found a foreman who was said to have been doing his homework for many years. Not to mention that the efficiency of the fellow villagers was quite high, and it was a few days earlier than expected. Xiao Wang gladly handed over all the decoration items to the fellow villagers.
Not long after he moved into his new home, Xiao Wang found that the telephone line in the bedroom was not connected. He suspected that it was a line problem.
He called the fellow villager, and after his fellow countryman came to check it out, he used the excuse to say that the tools were not going to get together. When Xiao Wang called again, he could no longer find the fellow. Xiao Wang had to invite a professional to inspect. Professionals told him that when the wires and telephone lines in the bedroom were constructed, workers did not use insulating tubes to cover them. Instead, they buried the wires directly in the wall, which could easily lead to dangerous situations.
Reminder: This is very unsafe, and may cause a short circuit due to some reason, such as the aging of the wire, resulting in the breakage of the wire; at the same time, if the wire is broken, it cannot be changed at all and only the wall can be broken. The correct method of operation is to lay the insulation sleeve on the outside before the wire is laid. At the same time, the circuit connector should not be exposed on the outside and should be installed in the line box.
Question 2: Late maintenance is not guaranteed
"Repair" is to extend the service life. Because Beijing has great changes both in outdoor temperatures and in air humidity all year round. In particular, some home improvement projects that are relatively affected by the humidity of the air, such as wood products and walls with insulation layers, may have cracks in the dry season. Therefore, the regular home improvement company will mark the contract with a two-year warranty. During this period, these home improvement projects will gradually crack the cracked site. The role of the warranty at this time is to gradually repair the cracks until no new cracks appear. The rework is to extend the overall service life of the project and to "maintain" other projects.
Reminder: The methods used by home-made guerrillas are mostly “fighting for a shot and changing a placeâ€. The nature of “they have money to make money and have something to run for†determines: Once a problem occurs in a renovated house, it is difficult to reconnect with them. contact with. Consumers will inevitably spend money again to find another decoration company to solve.
In contrast, regular home improvement companies generally have a well-defined and standardized after-sales service guarantee system. First of all, there is a comprehensive and systematic customer service file that is easy to find and revise, providing customers with the most efficient and thoughtful service; followed by a warranty commitment - signing a warranty contract.
Question 3: Many hidden engineering problems
The concealed project is mainly composed of four parts: a strong electricity project, a weak electricity project, a door and window cover base, and a water supply and drainage project. Remind consumers that when signing a contract, the following aspects must be enumerated clearly.
Strong electric engineering: It should be noted that the conductor casing is preferably produced by a regular manufacturer. All the pipelines must be horizontal and vertical, and the conductors in the casing must not be jointed. The joints in the junction box must be firmly wrapped; insulated lighting, common sockets, air conditioners, etc. must all be matched with wires of different specifications; if there are special high-power electrical appliances, special wires must be taken. All conductors must be color-coded, the phase line is red, the neutral line is blue, and the ground line is black. Any main conductor must not be exposed to the ground, or it must not be directly exposed. Casing must be used.
Weak electricity engineering: Weak electricity can be broadly divided into cable television lines, broadband network lines, telephone lines and audio lines. In addition to the wire must be in accordance with the relevant provisions of the state of the special wire, the weak wire and strong wire is not allowed to co-trunk common wiring, all the wires within the tube must not have any joints, such as the need for joints must have a special junction box or distributor and other accessories The routing must be horizontal and vertical.
Door cover window cover: The construction must meet the design requirements and the materials meet the relevant standards. The base of the door and window cover is made of open core board, and then the middle base is made of nine PCT board. The surface is finished with veneer. After the door and window case are finished, no bump is felt by hand, and no emptiness is felt with a small pointed hammer. The nail holes are even and the mouthline is neat and straight, and the glue is evenly opened.
The joints between wood and other materials are most likely to crack. As the indoor drying in winter, the wood shrinks to the limit, as the temperature and humidity increase after the weather warms, the expansion rate of different materials is different, it is easy to produce cracking phenomenon. To repair this cracking, it is generally necessary to repair the gap with a gray paste of "atomic ash" and then re-oil. This problem is also easy to appear in the ceiling, Yin Yang angle and so on.
Water supply and drainage works: Water pipe materials and accessories must meet the design requirements and relevant national standards. The hot and cold water supply pipes must be color-separated. The hot water pipes should be generally red, and the cold water pipes should be white or blue. The direction must be horizontal and vertical. The connection between the pipes and the pipes must be completed. There are special accessories and construction with special equipment tools. After the pipe is finished, there should be a dedicated pressure test pump to test pressure for 48 hours without leakage, the normal pressure for pressure test is 0.6 MPa, and the water supply for the squat toilet must use a small pipe (sixth pipe) with an inner diameter of 20mm and an outer diameter of 25mm. The drainage modified PVC pipe must not be less than 50mm (diameter). The transformed sewage pipes must be directly discharged to the main sewage pipes. The toilets and the kitchen's launching equipment must not be mixed. The converted sewage pipes must be sloped to prevent accumulation of water.
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