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Installation Features Of Compound Manhole Cover

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With the continuous development of technology, well cover, as a common municipal and architectural material, has developed rapidly. Here are the installation precautions for the compound manhole cover:
1、 In order to keep the appearance of the cover beautiful and the surface pattern and handwriting clear, a thin iron sheet or wood plate shall be used to cover the well cover during the construction of asphalt pavement, and the black well cover can also be brushed with waste oil to prevent the asphalt from spraying on the well cover
2、 The inner diameter, length x width and square circle of the brick masonry of the well cover shall be determined according to the well cover size designed by the Design Institute, which can also be executed according to the corresponding standards. A concrete protection ring with a width of 40cm shall be cast around the well cover, and the maintenance period shall be more than 10 days
3、 When installing the well cover on the asphalt pavement, it is necessary to avoid the construction machinery directly rolling the well seat. During the integral casting of the pavement, a hole slightly larger than the well seat shall be reserved on the pavement and placed after the asphalt pavement is completed
4、 After the well base is poured or paved with asphalt by concrete, the well cover shall be opened and cleaned in time to avoid mortar or asphalt from pouring the inspection well cover and the base into one, so as not to affect the opening in the future
compound manhole cover
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