1. Make an appointment in advance for the accurate positioning of the hydropower engineer's on-site planning, and make a project budget on site. If the construction does not change one point, the error value should not exceed 10% to avoid over-expenditure during settlement;
2. The water circuit reform contract should be determined: water pipes, pipe fittings, BV single copper wire, UPVC flame-retardant electrical pipe, network cable, television cable, telephone cable, audio cable and other material brand models to prevent material counterfeiting;
3, hydropower reform contract should indicate the unit price of each purpose, the total budget, and the error value
Second, before the transformation of the owners need to prepare things
1. The house is completed and the decoration procedures have been completed;
2. Changes in the interior wall structure (removal of walls or new walls);
3, furniture, electrical basic specifications, placement
4, the top ceiling lamp layout
5, floor plan and modeling lamp layout
6, other personalized needs
7, kitchen cabinet designer to determine the kitchen socket, the basic positioning of the lamp
8ã€How to supply hot water for your home, gas heating or electric water heater or other hot water supply
9, determine the water heater size specifications, ordinary bathtub or Jacuzzi
10. Make an appointment in advance for the accurate positioning of the hydropower engineer's home planning and make an on-site project budget.
Third, the specific process of hydropower construction
1. The first step of the hydropower reform is the positioning of hydropower, that is, the location of the switch socket and the location of the waterway interface according to the needs of the user. The plumber should follow the position of the switch, socket and faucet and follow the route to the user. speak clearly. Moreover, we should pay attention to the principle of “taking water to the sky and electricity to the groundâ€. That is to say, the water pipes should go to the ceiling and the strong and weak electricity should go to the ground as far as possible, and the strong and weak electricity cannot cross each other and the parallel distance is greater than 30 centimeters.
2. The installation and design of the distribution box and information box should be considered for ease of use, concealment, and safety. Attention should also be paid to the direct connection with the outside main line; the electrical lines must not be hidden within the building's load-bearing wall or column.
3. The electrical circuit design of sockets, switches, and lamps must take into account the variability of the interior space, prepare for possible different space usage conditions, and reduce the barriers to re-planning and design of some users during use, for example, desks, decorative cabinets. The impact of the movement of electrical equipment on the use of electricity and water should also be taken into consideration. The price of new embedding and changeover lines is not the same.
4, in the case of a large lamp weight, pay attention to the embedded load-bearing components in the ceiling, can not be installed directly on the wooden wedge, so as not to cause indoor unsafe factors.
5, after the positioning of hydropower, the next step is to play slot. The slot played by a good groover is basically a straight line, and there are basically no hairs in the groove. Before making a groove, be sure to have a plumber mark all the water and electricity on the wall. Remember to compare the hydropower diagrams and see if they are consistent.
6. When the waterway is reformed, pay attention to the surroundings must be tidy. When waterway reconstruction is contracted, it is better to indicate the materials used for waterway reconstruction. In addition, the size of the water pipe in the original room should be taken into account in the reconstruction of the waterway, and the pipe of the external water pipe should be matched with the original water pipe. Hot and cold water pipes should be left hot right cold, the spacing is generally not less than 20cm, depending on the distance between the hot and cold pipe taps.
1, conventional size:
(1) The shower outlet is 1100mm from the ground.
(2) Satellite TV sets are placed according to personal preferences.
(3) The socket position and the original socket position maintain a relatively uniform height, generally 300-350mm.
(4) Double control switch is 850mm away from the ground.
(5) Wall-mounted TV power supply is 1100-1300mm away from the ground.
2. Precautions during construction
(1) It is not advisable to slot the jumper pipe at the ground to avoid the pipe area.
(2) It is not advisable to punch and fix the pipeline at the ground to avoid the pipeline area.
(3) Open the cassette to avoid rebar, you can move down or even change the position, prohibit the broken ribs.
(4) It is not possible to open the long transverse trough: the load-bearing wall is easy to damage the structure, and the light wall is the upper and the lower three sides due to the force. After the broken tendon, it will cause trouble.
(5) Wires and wires should not be left in the plaster line, which will cause dead bends and dead lines.
(6) Pipe benders with a pipe diameter of less than 25 can not be bent with an elbow; the circuit is not a show, and bends should avoid bending at right angles.
(7) In addition to kitchen and living room, take the circuit as far as possible (excluding the top ceiling), and use the PVC glue to connect the joints when the tube is finished.
(8) The line tube is first arranged, fixed, and then threaded with the steel wire
V. After the construction, acceptance of hydropower reform
1. Water acceptance: After the water reformation is completed, the cold and hot water pipes have been reformed with a hose to ensure that the hot and cold water pipes of the entire indoor pipe are pressed at the same time; the pressure suppressor is installed, the pressure suppressor is filled with water, and the air in the pipe is let off, so that the entire circuit is inside. It is all water; close the water meter and the outside gate valve (make sure to protect it). Then began to suppress, the experimental value is 1.5 times the working pressure, 30 minutes no seepage, pressure drop does not exceed 0.05MP as qualified.
2. Strong electricity acceptance: Use 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, and the wire that does not meet the standard may be broken down.
3. Weak-wire acceptance: Use a dedicated network test tool to test whether the 8-core signal of the network is unblocked; after the carrier-copper-axis-cable test tool, multimeter, etc. are fully tested, proceed with the next construction work.
4. It must be noted that the completion of the hydropower reform must be checked and accepted, and it will be too late to wait until the completion of the construction of other projects.
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Hydropower renovation is a crucial link in home decoration, and its quality is closely related to the safety of homeowners. Therefore, in the hydropower reform, the owner needs to pay attention to it and it is better to supervise the work on site in order to avoid the jerry-building and cutting of some construction workers. Now home decoration for everyone to explain in detail the entire process of hydropower construction construction process and precautions, as a reference for everyone in the decoration.
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