Provisions on regular dredging of main water pipes in property.

Sewer pipe blockage belongs to the management scope of residential property management. Property management stipulates that property management enterprises should provide the most basic management and services for all residents, including the management of housing equipment and facilities. As the manager of public * * areas in residential areas, property management companies are obliged to regularly repair and maintain public * * * facilities and public * * * equipment in residential areas, and shall ensure the normal operation of * * * equipment. Property management companies have the obligation to regularly check and dredge the main water pipeline. Legal basis: Article 31 of the Regulations on Property Management in People's Republic of China (PRC), the construction unit shall undertake the property warranty responsibility according to the warranty period and scope stipulated by the state. Article 36 A realty service enterprise shall provide corresponding services in accordance with the stipulations of the realty service contract. Fifty-second water supply, power supply, gas supply, heating, communications, cable television and other units shall bear the responsibility for the maintenance and conservation of related pipelines and facilities in the property management area according to law. If the units specified in the preceding paragraph temporarily occupy or dig roads and sites due to maintenance, they shall promptly restore the original state.