Hydropower construction considerations

The renovation of hydropower projects has always been a topic of most concern to all, because the quality of hydropower reform not only concerns the comfort of our home life, but also more importantly the safety issues, so it is even more indispensable. Some problems that need attention in the construction of water and electricity in the decoration, quickly learn it! Waterway Construction Part 1 Laying Walls Selecting load-bearing walls and walls with insulation cannot be excavated, which can easily cause cracking on the surface. The cracked wall will cause many hidden dangers in the future, so be sure to ask the “attribute” of the wall to be started during the construction of the pipeline! (2) To protect the construction of the water pipe, the “guard” water outlet must be protected from clogging of the sewers. Before the construction, the water outlets and floor drains should be well protected from being contaminated to prevent the entry of cement, gravel, and other debris. Once the cement and mortar block the passage, it is extremely difficult to clean and it will cause great trouble. 3 Ensure that the main waterway is not moving If you want to change the upper and lower water pipelines, you must greet the property management department. You should also ask the professionals to design the pipelines and carry out the construction. In principle, the main waterway should not be moved. 4 The water pipe walks along the top of the wall because there are many buried pipes in the ground. The planing site itself is very unsafe. In case of damaging the original underground pipe, it will be very troublesome, and if you go to the ground, in the course of the later renovation, in case of Electric drills destroy water pipes and affect safety. When the water pipe leads to the bathroom and meets the place where you need water, you should open the vertical slot. 5 The whole wall of the wall is buried in the pipe The buried pipe has both horizontal and vertical slots. Even after the construction is completed, the owner has a roadmap for water reform, and it is inevitable that the water pipe will be damaged during the subsequent renovation. . Because you have already sealed the tank, you cannot see the tube. In addition, the whole water pipe buried in the wall should be free from joints, and the jointed pipes are prone to leakage. 6 Reservation and Protection of Outlet of Sanitary Ware When the water pipe reaches a suitable height, outlets for showers, basins, and washing machines should be reserved. The advantage of doing this is that, after decorating the tiling, you can judge the direction of the water pipe based on the location of the outlet. All water pipes are vertically upward at the outlet to avoid damaging the water pipes. 7 It is better not to change the position of the original launching water. It is better not to change the position of the original launching water, because when you change the position of the launching water, it will affect the drainage of the lower level. In severe cases, it will lead to the problem of clogging. You can't just think about your convenience by doing anything. Circuit Construction 1. Strong wire conduits are to be walked on the wall, weak wire conduits are to be grounded, or the floor of strong and weak wires should go off the ground, but they must be separated by more than 300mm. The trunking should be horizontal and vertical. Shielded cables should be used for weak currents, and it is common for strong and weak tubes to cross and close parallel. Use of unshielded cables for weak currents may cause signal interference. 2. The dark line shall be laid with pipes, except for the hollow floor slab (sheathed line for the hollow floor slab), strong and weak electricity cannot penetrate into the same pipe, and the electric wires inside the pipe should be in a loose state. 3. There must be no connector in the wire tube. The exposed wire ends of all switches and sockets must be wrapped with insulating tape to avoid the risk of electric shock. When installing the power socket, it should be left and right and the top should be ground. Fire line into the switch, zero line into the lamp; bathroom socket should be anti-water type. 4. Principles of circuit layout design Grasp the principle of “the shortest distance between two ends”, do not intentionally wind the cable, and maintain a relatively “live line”. The lighting wire is 1.5BV, the outlet wire is 2.5BV, the ground wire is 2.5BVR, and the air conditioning and extra power cord is 4BV. Air conditioning and high-power appliances should be routed separately. 5. The outlet panel of power supply, telephone and television in the same room should be on the same level and the height difference should be less than 5mm. The power socket is generally 300mm from the ground, and the switch ground is generally 1400mm. 6. In principle, if the strong electric power pipe provided by the developer is a PVC pipe, a PVC pipe should be used for the secondary hydropower reformation, and the JDG pipe (sleeve-type fixed galvanized steel pipe) should not be used, otherwise it is difficult to realize the overall grounding connection. Left behind. If the original developer provided the strong electric power pipe itself is a JDG pipe, both pipes can be used. 7. Strong electricity acceptance, using 500V insulation resistance meter to test the insulation resistance value of each circuit, at the same time, it can test the quality of the used wire. The non-conforming wires may be broken down. 8. The weak current adopts the special tool test, the special network test tool tests whether the 8-core signal of the network is unblocked, and the carrier wire, the copper shaft cable test tool, the multimeter, etc. are completely tested and then the next step of construction work is performed. Xiao Bian summed up so much you learned how much? If you have any questions or would like to share your own decoration experience, you can contact the reader service hotline to contact us. You can also interact with us through Sina Weibo, decoration intelligence microblogging, micro signal search myhousing.

Hydropower installation hydropower acceptance hydropower reform

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