UV CIPP cure trenchless construction site management for municipal sewer repair

The construction site management regulations require that the construction site should be kept clean, the materials should be cleaned after the completion of the work, the site should be restored to its original appearance, and the pipeline repair construction site is all urban roads or sidewalks, green belts, etc. the site should be kept clean during the field operation, and canvas and other isolation measures should be laid on the ground during the application of chemical materials at the construction site to prevent the chemical materials from polluting the road surface. On site materials, wastes and sundries cleared from pipelines must be stacked neatly. After the repair construction, all materials, sundries, domestic garbage, etc. in the site shall be cleaned. The site shall be cleaned. If mud overflows on the ground, the ground must be cleaned. After the completion of construction, special personnel shall be assigned to inspect the site cleaning.

As specified in the general safety technical specification for construction of water resources and hydropower projects, obvious warning signs shall be set at the dangerous places such as wells, holes, pits, ditches and openings on the construction site, and protective measures such as adding cover plates or setting fences shall be taken. According to the requirements, the ventilation shaft and observation well at the pipeline repair construction site shall be covered with protective net after opening the well cover, and the working well shall also be covered for protection when it is not in operation. Conical barrels and connecting tubes shall be arranged around for closed protection, and obvious warning signs shall be set. Non operators are not allowed to approach, and special personnel shall be on duty.