1. Before installing the flexible waterproof casing, the quality of the flexible waterproof casing, pipe fittings and rubber sealing ring should be checked, the dirt on the socket and socket should be cleaned, and then the rubber ring should be installed in the groove of the flexible waterproof sleeve without deformation. The socket and special-shaped rubber ring are installed correctly and must not be reversed. Flexible waterproof casing
2. After the flexible waterproof casing in the cast-in-situ floor slab and column is installed in conjunction with civil construction, before pouring concrete, the casing port should be protected by soft objects such as newspapers and straw bags to ensure that the filling is tight to prevent the mortar from entering the casing and the junction box and causing blockage.
3. When the pipeline passes through the wall, floor and roof, holes should be reserved along the structure. After the construction of the structure is completed, the casing should be buried. When passing through the wall and reserving the casing, both ends must be sealed with tape.
4. When the material and outer diameter of the flexible waterproof casing are beyond the scope of the standard atlas, attention should be paid to the structural form, size and filler used in the gap of the flexible waterproof casing to make necessary adjustments and corrections.
5. After the civil concrete reaches its strength and the formwork is removed, immediately send someone to clean up the filling materials in the buried casing one by one and confirm the installation position of the casing.