There is no specific requirement for the number of meters, but it should be carried out in the spirit of facilitating production, facilitating life, solidarity and mutual assistance, fairness and reasonableness, and properly handle water interception, drainage, transportation, ventilation and lighting.

According to the provisions of the General Principles of Civil Law of People's Republic of China (PRC):

Eighty-third adjacent parties to real estate should correctly handle the adjacent relations such as water interception, drainage, transportation, ventilation and lighting in accordance with the spirit of convenient production, convenient life, solidarity and mutual assistance, fairness and reasonableness. If it causes obstruction or loss to the neighboring party, it shall stop the infringement, remove the obstruction and compensate for the loss.

According to the Code for Planning and Design of Urban Residential Areas:

5.0.2 ? Residential spacing should be determined on the basis of meeting the requirements of sunshine, taking into account the requirements of lighting, ventilation, fire protection, earthquake prevention, pipeline laying and visual hygiene.

According to "Acoustic Environmental Quality Standard", the residential area belongs to the environmental zone of 1, and the noise limit is 55 days and 45 nights.

1 Class acoustic environment functional area: refers to the area whose main functions are residence, health care, culture and education, scientific research and design, and administrative office, and it needs to be kept quiet.

Extended data:

Relevant laws and regulations:

According to the provisions of the General Principles of Civil Law of People's Republic of China (PRC):

Article 2 The laws of People's Republic of China (PRC) and the state regulate the property relations and personal relations between citizens and legal persons and between citizens and legal persons as equal subjects.

Article 3 Parties have equal status in civil activities.

Article 4 Civil activities shall follow the principles of voluntariness, fairness, compensation for equal value, honesty and credibility.

Article 5 The lawful civil rights and interests of citizens and legal persons are protected by law, and no organization or individual may infringe upon them.

Article 6 Civil activities must abide by the law. Where there is no provision in the law, it shall be implemented in accordance with national policies.

Article 7 Civil activities shall respect social morality and shall not harm public interests or disturb social and economic order.

Baidu Encyclopedia-Sound Environment Quality Standard