1. If the main water pipe falls off and residents cause artificial damage, the responsible person shall be responsible for the maintenance and compensate the related losses;

2. If the non-residents damage the quality of the house, the water supply and drainage pipeline installation shall provide two-year warranty service. If there is a quality problem, the housing developer should be responsible for maintenance and compensation for the related losses caused by it. If it is the responsibility of the construction unit, the developer can recover from the construction unit.

3. If the non-resident man-made damage exceeds the warranty period of the house quality, the property shall be responsible for the maintenance and bear the relevant liability for compensation. The main water pipe belongs to the public part of the building and is shared by all the owners of the building. If there is a problem, the property should use the public maintenance fund paid by the owner for maintenance and compensation.

Legal basis: Article 51 of the Regulations on Property Management.

Water supply, power supply, gas supply, heating, communication, cable television and other units shall bear the responsibility for the maintenance and conservation of relevant pipelines and facilities and equipment within 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.

Article 52

If the owner needs to decorate the house, he shall inform the property service enterprise in advance.

The realty service enterprise shall inform the owners of the prohibited acts and matters needing attention in the house decoration.