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What inspection work should we do after installing the composite manhole cover?

What inspection work should we do after installing the composite manhole cover?

  • 2018/07/12

    1. Inspect the brick masonry of the well, and select the composite/fiberglass manhole cover with the suitable inner diameter according to the size of the inspection well of the design atlas;

    2. Determine the elevation of the top surface of the inspection brick according to the thickness of the composite/fiberglass manhole cover and the height requirement of the top surface of the green belt;

    3. Before the installation of the composite/fiberglass manhole cover in the green belt, it is required to fill the soil with a certain thickness in the green belt, so as not to affect the installation of the composite manhole cover and the concrete pouring of the well ring. The composite/fiberglass manhole cover in the motor vehicle lane needs to be laid after laying a layer of asphalt concrete. When paving a layer of asphalt concrete, the wellbore is covered with wood. After the asphalt concrete to be paved is cooled, the wood board is removed, and the asphalt concrete around the wellbore is trimmed and left. The size of the resin manhole cover and its reinforced concrete. And remove all impurities in the inspection well;

     4. After checking the elevation of the top surface of the brick, no problem is applied to the top surface of the brickwork. Use 1:3 cement mortar to sit 2cm thick cement mortar at the position where the well is to be installed, then place the well circle and the inside of the well It should be leveled with mortar on the inner wall of the brickwork. The installation must keep the base flat, the base of the well ring is grounded, and it is stable and not loose.


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