Water and fire have long been known to the public, and no one doubts the importance of water circuit renovation in the decoration. Similarly, in our opinion, walking along the water line is just as important as the problem of home improvement and environmental protection.
>>>Recommendation: Newcomers must-read: Knowledge of hydropower reform
Problem Description
The renovation plan was passed and preparations were made for the renovation. The first is the hydropower reform. As soon as the first day of construction can be completed, the workers will pull out large and small steel bars. As we all know, the steel bars in concrete houses are like the skeleton of the human body. The reinforcements are broken and the house is fractured.
problem analysis
In the early stage of designing the project, it began to transform hydropower without conducting a comprehensive survey of the housing structure.
Deterioration of reinforced pipe fittings will leave hidden dangers for the use of houses in the future, and will affect the entire floor and wall load-bearing. It will easily cause collapse or rupture when earthquakes and other strenuous activities are encountered.
solution
1, designers must do a comprehensive survey, can not rely solely on floor plan design
2. Before construction, ask the construction house for the distribution map of hydropower and determine which walls cannot be removed.
3, non-bearing wall can not be barbaric construction, vigorously knocking on the wall will cause damage to other joints, should be removed by block cutting.
4. Seriously deal with the structural faults that are formed after the demolition. Otherwise, wall problems and wall problems may be caused in the future.
5. Immediately after the destruction of the steel bar, the construction shall be stopped. Consult relevant technical personnel to assess the impact of the destruction on the house and reasonably repair and modify it.
After construction: how to carry out immediate acceptance after water circuit construction:
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 leakage, pressure drop does not exceed 0. 05MP is 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. The weak current adopts the special tool test: The special network test tool tests whether the 8-core signal of the network is unimpeded; the carrier's copper shaft cable test tool, the multimeter and other complete tests are qualified before 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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