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1. According to the owner and design requirements, the water pipes should be buried as far as possible.
2. Reasonably design the water supply and drainage of easy-to-forget water dispensers such as washing machines and mop pools.
3. The materials, specifications, models and origins of pipelines, sanitary ware and valves shall meet the requirements of the design and contract. The main materials and equipment shall have a certificate of conformity.
4. The installation of the pipeline should be horizontal and vertical, laid firmly, and the slope conforms to the requirements.
5, the water pipe installation must not be close to the power supply.
6. The spacing between water pipes and gas pipes is recommended to be not less than 50mm.
7. When the pipe is installed, the pipe diameter should be less than 25mm. The pipe should be installed in the corner, water meter, faucet or angle valve and pipe end 100mm. The pipe card must be installed firmly.
9, after the installation of the water pipe, the hot and cold water collusion pressure test (standard: 0.8MP galvanized pipe, aluminum plastic composite pipe 0.3 ~ 0.5MP, PPR pipe 0.8 ~ 1MP, keep pressure for 10 minutes without leakage, air pressure does not drop Party is qualified).
10. Sewer pipes should be checked for leaks.
11. The trachea should be ventilated to check for leaks (smeared with soap solution). The cement should not be filled until the inspection is completed.
12, toilets, washbasins (Taiwan), vegetable sinks, water tanks, bathtubs and other wall fittings should be installed behind the triangular pressure relief valve can be connected to water.
13. When installing kitchen and sanitary pipes, the size of the pipe at the wall should take into account the final size of the wall tile after it is attached, ie, the thickness of the wall tile is taken into consideration in advance.
14, the design of the water pipe should be taken into account with the faucet installation location of the washing machine, the layout of the water, and pay attention to the right position of the washing machine power outlet.
15. The fittings must not be damaged during the installation process. If there is damage, they must be replaced no matter if leakage or water leakage occurs.
16, hot and cold water pipes installed in parallel above and below, the hot water pipe should be above the cold water pipe; when installed in parallel, the hot water pipe should be on the left side of the cold water pipe. When installing hot and cold taps on sanitary appliances, hot taps should be mounted on the left side of the face.
17. The mixing faucet on the bathtub should be installed in the middle of the tub (the size of the bathtub must be determined when the tubing is embedded). The center of the faucet should be 150-200mm away from the entrance of the bathtub. Check whether the waterproof is complete before installing the bathtub. If no waterproof or waterproof is damaged Waterproofing should be redone. The waterproof should be more than 300mm above the floor and the bathtub should be 250mm above the bathtub.
18, wash basin hot and cold water into the tap from the ground height of 500-550mm, the pedestal of the water pipe installed in the column.
19. Toilets such as squat toilets without traps must be converted to squat toilets with traps.
20. The height of the water inlet at the kitchen sink is 450mm.
21. When installing the toilet into the water, it should be known in advance whether the toilet is in front of the water or after the water, to determine the distance from the wall of the water pipe, toilet into the tap as far as possible placed in the place where the toilet can block the line of sight.
22. If you need to use electric equipment such as BenJiebao and surfing bathtub, you should reserve the power socket.
23. If the toilet is changed to a toilet, the inlet pipe must not be lower than 20 pipes or use a water tank.
24, sanitary ware installation height (ground to the edge of the appliance) toilet 470-510mm; washbasin 800mm; sink 800; tub 500-550mm.
25. All water consuming appliances, such as faucets, toilets, bathtubs, etc., must be wrapped and protected before delivery, and they should be avoided as far as possible.
26. The new and old floor drains and drain holes must be properly handled during the construction process to prevent the water from being blocked.
27. After the waterproofing is completed, the water must be turned off for 24 hours without leaking before the next process can be performed.
28. Natural gas pipelines must not be altered by anyone, and it is forbidden to move gas meters.
29, when installing the water heater into and out of water, the water inlet valve and the intake valve must pay attention to distinction, is strictly prohibited to install, the water heater should be exhaust pipe is open, and must be discharged to the outside.
30, double Wei's water heater capacity should not be less than 10L, the best water heater for the elevator apartment is a strong row type, strong row of water heaters require reserved outlets, outlets from the gas source more than 500mm.
31. The installation position of decorative hardware such as towel racks and bath towel racks should be determined together with the customer. Observe the positions of switches and pipes to prevent damage to the pipes in the wall.
32. Washing machines, mop pools and floor drains shall be provided with drainage pipes respectively to prevent water from leaking when water is used.
33. During the construction period, the cold and hot water pipes should be kept in a connected state. In the event of damage, they will be immediately leaked and can be immediately disposed of.
34. After the kitchen hardware is installed with a glass drill bit to penetrate the brick surface, the impact drill is used to open the hole so that the tile will not be damaged.
Acceptance Criteria:
1. All the faucets are easy to use, the filter is clean, and the left hot right cold installation is correct.
2. Sanitary appliances are installed firmly and steadily, without damage, easy to use, no leakage, and unobstructed drainage.
3. All the water con- nectors with hoses are equipped with a triangular pressure relief valve at the interface and adjusted to a reasonable position.
4. The floor drain is below the drainage surface of the installation.
5, water heater intake, inlet and outlet water installation is correct, normal use.
6, normal use of natural gas.
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Construction Process, Process and Acceptance Criteria of Pipeline Renovation Project in Xi'an Decoration Classroom
Construction Process, Process and Acceptance Criteria of Pipeline Renovation Project in Xi'an Decoration Classroom